./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/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 484c358b13fd8def6bfbf41b26d96fd32414391c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:45,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:45,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:45,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:45,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:45,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:45,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:45,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:45,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:45,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:45,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:45,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:45,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:45,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:45,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:45,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:45,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:45,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:45,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:45,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:45,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:45,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:45,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:45,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:45,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:45,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:45,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:45,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:45,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:45,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:45,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:45,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:45,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:45,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:45,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:45,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:45,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:45,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:45,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:45,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:45,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:45,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:45,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:45,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:45,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:45,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:45,640 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:45,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:45,640 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:45,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:45,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:45,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:45,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:45,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:45,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:45,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:45,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:45,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:45,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:45,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:45,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:45,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:45,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:45,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:45,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:45,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:45,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:45,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:45,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:45,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:45,644 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/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/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 -> 484c358b13fd8def6bfbf41b26d96fd32414391c [2019-10-22 08:58:45,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:45,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:45,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:45,677 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:45,678 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:45,678 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2019-10-22 08:58:45,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/data/d35d44a7e/b8012da6000f43ecba75ec0f972a30ce/FLAG90b472559 [2019-10-22 08:58:46,145 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:46,145 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2019-10-22 08:58:46,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/data/d35d44a7e/b8012da6000f43ecba75ec0f972a30ce/FLAG90b472559 [2019-10-22 08:58:46,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/data/d35d44a7e/b8012da6000f43ecba75ec0f972a30ce [2019-10-22 08:58:46,176 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:46,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:46,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:46,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:46,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:46,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46, skipping insertion in model container [2019-10-22 08:58:46,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,189 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:46,222 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:46,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:46,566 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:46,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:46,663 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:46,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46 WrapperNode [2019-10-22 08:58:46,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:46,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:46,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:46,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:46,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:46,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:46,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:46,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:46,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... [2019-10-22 08:58:46,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:46,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:46,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:46,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:46,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/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 [2019-10-22 08:58:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:58:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:47,761 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:47,761 INFO L284 CfgBuilder]: Removed 208 assume(true) statements. [2019-10-22 08:58:47,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:47 BoogieIcfgContainer [2019-10-22 08:58:47,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:47,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:47,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:47,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:47,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:46" (1/3) ... [2019-10-22 08:58:47,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9dd224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:47, skipping insertion in model container [2019-10-22 08:58:47,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:46" (2/3) ... [2019-10-22 08:58:47,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9dd224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:47, skipping insertion in model container [2019-10-22 08:58:47,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:47" (3/3) ... [2019-10-22 08:58:47,770 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2019-10-22 08:58:47,778 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:47,785 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:58:47,795 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:58:47,815 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:47,815 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:47,815 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:47,815 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:47,816 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:47,816 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:47,816 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:47,816 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-10-22 08:58:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:58:47,833 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:47,834 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:47,835 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:47,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:47,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1244104416, now seen corresponding path program 1 times [2019-10-22 08:58:47,844 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:47,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255721926] [2019-10-22 08:58:47,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:47,844 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:47,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255721926] [2019-10-22 08:58:48,006 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,006 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:48,007 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473338323] [2019-10-22 08:58:48,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:58:48,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:58:48,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:58:48,024 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-10-22 08:58:48,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,055 INFO L93 Difference]: Finished difference Result 269 states and 400 transitions. [2019-10-22 08:58:48,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:58:48,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2019-10-22 08:58:48,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:48,070 INFO L225 Difference]: With dead ends: 269 [2019-10-22 08:58:48,071 INFO L226 Difference]: Without dead ends: 134 [2019-10-22 08:58:48,075 INFO L600 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 [2019-10-22 08:58:48,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-22 08:58:48,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-22 08:58:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-22 08:58:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2019-10-22 08:58:48,114 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 192 transitions. Word has length 19 [2019-10-22 08:58:48,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:48,114 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 192 transitions. [2019-10-22 08:58:48,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:58:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 192 transitions. [2019-10-22 08:58:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 08:58:48,115 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:48,115 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:48,116 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:48,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1970722193, now seen corresponding path program 1 times [2019-10-22 08:58:48,116 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,116 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262583669] [2019-10-22 08:58:48,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,117 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,239 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262583669] [2019-10-22 08:58:48,239 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:48,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441086366] [2019-10-22 08:58:48,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:48,241 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:48,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:48,241 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. Second operand 3 states. [2019-10-22 08:58:48,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,266 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2019-10-22 08:58:48,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:48,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-10-22 08:58:48,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:48,267 INFO L225 Difference]: With dead ends: 134 [2019-10-22 08:58:48,268 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 08:58:48,268 INFO L600 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 [2019-10-22 08:58:48,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 08:58:48,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 08:58:48,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 08:58:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-10-22 08:58:48,275 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 20 [2019-10-22 08:58:48,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:48,275 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-10-22 08:58:48,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:48,275 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-10-22 08:58:48,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 08:58:48,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:48,276 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:48,276 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,277 INFO L82 PathProgramCache]: Analyzing trace with hash -739575047, now seen corresponding path program 1 times [2019-10-22 08:58:48,277 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510631620] [2019-10-22 08:58:48,277 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,277 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510631620] [2019-10-22 08:58:48,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:48,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147962133] [2019-10-22 08:58:48,365 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:48,365 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:48,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:48,366 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-10-22 08:58:48,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,389 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2019-10-22 08:58:48,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:48,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-10-22 08:58:48,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:48,390 INFO L225 Difference]: With dead ends: 103 [2019-10-22 08:58:48,390 INFO L226 Difference]: Without dead ends: 55 [2019-10-22 08:58:48,391 INFO L600 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 [2019-10-22 08:58:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-22 08:58:48,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-10-22 08:58:48,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-10-22 08:58:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2019-10-22 08:58:48,397 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 26 [2019-10-22 08:58:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:48,397 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2019-10-22 08:58:48,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-10-22 08:58:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 08:58:48,398 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:48,398 INFO L380 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] [2019-10-22 08:58:48,399 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:48,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1972933051, now seen corresponding path program 1 times [2019-10-22 08:58:48,399 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881822126] [2019-10-22 08:58:48,399 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,400 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,445 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881822126] [2019-10-22 08:58:48,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:48,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948122666] [2019-10-22 08:58:48,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:48,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:48,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:48,446 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 3 states. [2019-10-22 08:58:48,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,477 INFO L93 Difference]: Finished difference Result 127 states and 181 transitions. [2019-10-22 08:58:48,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:48,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2019-10-22 08:58:48,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:48,478 INFO L225 Difference]: With dead ends: 127 [2019-10-22 08:58:48,478 INFO L226 Difference]: Without dead ends: 79 [2019-10-22 08:58:48,479 INFO L600 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 [2019-10-22 08:58:48,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2019-10-22 08:58:48,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2019-10-22 08:58:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2019-10-22 08:58:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2019-10-22 08:58:48,486 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 28 [2019-10-22 08:58:48,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:48,487 INFO L462 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2019-10-22 08:58:48,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2019-10-22 08:58:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 08:58:48,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:48,488 INFO L380 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, 1, 1, 1] [2019-10-22 08:58:48,488 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:48,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,488 INFO L82 PathProgramCache]: Analyzing trace with hash -2138258297, now seen corresponding path program 1 times [2019-10-22 08:58:48,488 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113721946] [2019-10-22 08:58:48,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,489 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,554 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113721946] [2019-10-22 08:58:48,554 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,554 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:48,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770833783] [2019-10-22 08:58:48,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:48,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:48,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:48,555 INFO L87 Difference]: Start difference. First operand 77 states and 107 transitions. Second operand 5 states. [2019-10-22 08:58:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,694 INFO L93 Difference]: Finished difference Result 260 states and 366 transitions. [2019-10-22 08:58:48,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:58:48,694 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 08:58:48,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:48,696 INFO L225 Difference]: With dead ends: 260 [2019-10-22 08:58:48,696 INFO L226 Difference]: Without dead ends: 190 [2019-10-22 08:58:48,697 INFO L600 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 [2019-10-22 08:58:48,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-10-22 08:58:48,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 76. [2019-10-22 08:58:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-10-22 08:58:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 104 transitions. [2019-10-22 08:58:48,707 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 104 transitions. Word has length 34 [2019-10-22 08:58:48,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:48,707 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 104 transitions. [2019-10-22 08:58:48,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2019-10-22 08:58:48,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:58:48,708 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:48,708 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:48,708 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:48,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,709 INFO L82 PathProgramCache]: Analyzing trace with hash 760139958, now seen corresponding path program 1 times [2019-10-22 08:58:48,709 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,709 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412156563] [2019-10-22 08:58:48,709 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,709 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412156563] [2019-10-22 08:58:48,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:48,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358520751] [2019-10-22 08:58:48,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:48,761 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:48,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:48,762 INFO L87 Difference]: Start difference. First operand 76 states and 104 transitions. Second operand 5 states. [2019-10-22 08:58:48,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,817 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2019-10-22 08:58:48,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:48,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-10-22 08:58:48,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:48,819 INFO L225 Difference]: With dead ends: 194 [2019-10-22 08:58:48,819 INFO L226 Difference]: Without dead ends: 125 [2019-10-22 08:58:48,820 INFO L600 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 [2019-10-22 08:58:48,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-22 08:58:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 82. [2019-10-22 08:58:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-10-22 08:58:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 110 transitions. [2019-10-22 08:58:48,829 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 110 transitions. Word has length 37 [2019-10-22 08:58:48,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:48,830 INFO L462 AbstractCegarLoop]: Abstraction has 82 states and 110 transitions. [2019-10-22 08:58:48,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 110 transitions. [2019-10-22 08:58:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:58:48,831 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:48,831 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:48,831 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:48,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,832 INFO L82 PathProgramCache]: Analyzing trace with hash -250977292, now seen corresponding path program 1 times [2019-10-22 08:58:48,832 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246557855] [2019-10-22 08:58:48,832 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,832 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,874 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246557855] [2019-10-22 08:58:48,875 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,875 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:48,875 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821532960] [2019-10-22 08:58:48,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:48,875 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:48,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:48,876 INFO L87 Difference]: Start difference. First operand 82 states and 110 transitions. Second operand 4 states. [2019-10-22 08:58:48,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:48,911 INFO L93 Difference]: Finished difference Result 189 states and 254 transitions. [2019-10-22 08:58:48,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:48,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2019-10-22 08:58:48,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:48,912 INFO L225 Difference]: With dead ends: 189 [2019-10-22 08:58:48,912 INFO L226 Difference]: Without dead ends: 114 [2019-10-22 08:58:48,913 INFO L600 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 [2019-10-22 08:58:48,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-22 08:58:48,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 86. [2019-10-22 08:58:48,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-10-22 08:58:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2019-10-22 08:58:48,922 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 37 [2019-10-22 08:58:48,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:48,923 INFO L462 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2019-10-22 08:58:48,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2019-10-22 08:58:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:58:48,924 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:48,924 INFO L380 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, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:48,924 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:48,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:48,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1272045646, now seen corresponding path program 1 times [2019-10-22 08:58:48,925 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:48,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031257449] [2019-10-22 08:58:48,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:48,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:48,982 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031257449] [2019-10-22 08:58:48,982 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:48,982 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:48,982 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54342106] [2019-10-22 08:58:48,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:48,983 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:48,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:48,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:48,983 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand 3 states. [2019-10-22 08:58:49,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:49,006 INFO L93 Difference]: Finished difference Result 193 states and 257 transitions. [2019-10-22 08:58:49,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:49,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-22 08:58:49,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:49,007 INFO L225 Difference]: With dead ends: 193 [2019-10-22 08:58:49,008 INFO L226 Difference]: Without dead ends: 114 [2019-10-22 08:58:49,008 INFO L600 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 [2019-10-22 08:58:49,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-22 08:58:49,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-22 08:58:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-22 08:58:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2019-10-22 08:58:49,029 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 37 [2019-10-22 08:58:49,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:49,029 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2019-10-22 08:58:49,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:49,030 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2019-10-22 08:58:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 08:58:49,031 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:49,031 INFO L380 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:49,031 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:49,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:49,031 INFO L82 PathProgramCache]: Analyzing trace with hash 263752306, now seen corresponding path program 1 times [2019-10-22 08:58:49,031 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:49,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6983967] [2019-10-22 08:58:49,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,032 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:49,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:49,155 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6983967] [2019-10-22 08:58:49,155 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:49,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:49,156 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860783164] [2019-10-22 08:58:49,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:49,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:49,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:49,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:49,157 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand 6 states. [2019-10-22 08:58:49,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:49,322 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2019-10-22 08:58:49,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:58:49,323 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2019-10-22 08:58:49,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:49,324 INFO L225 Difference]: With dead ends: 429 [2019-10-22 08:58:49,324 INFO L226 Difference]: Without dead ends: 350 [2019-10-22 08:58:49,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:58:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2019-10-22 08:58:49,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 159. [2019-10-22 08:58:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-22 08:58:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 204 transitions. [2019-10-22 08:58:49,341 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 204 transitions. Word has length 38 [2019-10-22 08:58:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:49,341 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 204 transitions. [2019-10-22 08:58:49,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 204 transitions. [2019-10-22 08:58:49,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 08:58:49,342 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:49,342 INFO L380 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:49,343 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:49,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:49,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1200946429, now seen corresponding path program 1 times [2019-10-22 08:58:49,343 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:49,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26558914] [2019-10-22 08:58:49,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,344 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:49,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:49,396 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26558914] [2019-10-22 08:58:49,397 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705643522] [2019-10-22 08:58:49,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/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 [2019-10-22 08:58:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:49,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-22 08:58:49,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:49,554 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:58:49,554 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-10-22 08:58:49,554 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503275943] [2019-10-22 08:58:49,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 08:58:49,554 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:49,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 08:58:49,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:49,555 INFO L87 Difference]: Start difference. First operand 159 states and 204 transitions. Second operand 9 states. [2019-10-22 08:58:49,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:49,707 INFO L93 Difference]: Finished difference Result 317 states and 423 transitions. [2019-10-22 08:58:49,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:58:49,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 59 [2019-10-22 08:58:49,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:49,708 INFO L225 Difference]: With dead ends: 317 [2019-10-22 08:58:49,708 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:49,709 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:58:49,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:49,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:49,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:49,709 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-10-22 08:58:49,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:49,709 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:49,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 08:58:49,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:49,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:49,910 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:49,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:50,512 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2019-10-22 08:58:50,824 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-10-22 08:58:50,992 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-10-22 08:58:51,194 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 25 [2019-10-22 08:58:51,535 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 24 [2019-10-22 08:58:51,572 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 601) no Hoare annotation was computed. [2019-10-22 08:58:51,572 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,572 INFO L443 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,572 INFO L443 ceAbstractionStarter]: For program point L895-3(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,572 INFO L443 ceAbstractionStarter]: For program point L895-5(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,572 INFO L443 ceAbstractionStarter]: For program point L895-6(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,572 INFO L443 ceAbstractionStarter]: For program point L895-8(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,573 INFO L443 ceAbstractionStarter]: For program point L895-9(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,573 INFO L443 ceAbstractionStarter]: For program point L895-11(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,573 INFO L443 ceAbstractionStarter]: For program point L895-12(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,573 INFO L443 ceAbstractionStarter]: For program point L895-14(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,573 INFO L443 ceAbstractionStarter]: For program point L895-15(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,573 INFO L443 ceAbstractionStarter]: For program point L895-17(lines 895 899) no Hoare annotation was computed. [2019-10-22 08:58:51,573 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-22 08:58:51,574 INFO L439 ceAbstractionStarter]: At program point L70-1(lines 1 979) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (and .cse0 (= ~pumpRunning~0 0) .cse3) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse3)))) [2019-10-22 08:58:51,574 INFO L443 ceAbstractionStarter]: For program point L70-2(lines 70 87) no Hoare annotation was computed. [2019-10-22 08:58:51,574 INFO L439 ceAbstractionStarter]: At program point L70-3(lines 1 979) the Hoare annotation is: false [2019-10-22 08:58:51,574 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 966) no Hoare annotation was computed. [2019-10-22 08:58:51,574 INFO L443 ceAbstractionStarter]: For program point L70-4(lines 70 87) no Hoare annotation was computed. [2019-10-22 08:58:51,574 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-10-22 08:58:51,574 INFO L439 ceAbstractionStarter]: At program point L70-5(lines 1 979) the Hoare annotation is: false [2019-10-22 08:58:51,574 INFO L439 ceAbstractionStarter]: At program point L962-2(lines 962 966) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse1)))) [2019-10-22 08:58:51,575 INFO L439 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: false [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L700-1(line 700) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L700-2(line 700) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L74-2(lines 74 84) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L74-4(lines 74 84) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-10-22 08:58:51,575 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-22 08:58:51,576 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-10-22 08:58:51,576 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 81) no Hoare annotation was computed. [2019-10-22 08:58:51,576 INFO L443 ceAbstractionStarter]: For program point L75-4(lines 75 81) no Hoare annotation was computed. [2019-10-22 08:58:51,576 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-10-22 08:58:51,576 INFO L439 ceAbstractionStarter]: At program point L934-1(lines 934 940) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse1)))) [2019-10-22 08:58:51,576 INFO L439 ceAbstractionStarter]: At program point L901(lines 886 904) the Hoare annotation is: false [2019-10-22 08:58:51,576 INFO L439 ceAbstractionStarter]: At program point L901-1(lines 886 904) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse1 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3)))) [2019-10-22 08:58:51,576 INFO L439 ceAbstractionStarter]: At program point L901-2(lines 886 904) the Hoare annotation is: false [2019-10-22 08:58:51,576 INFO L439 ceAbstractionStarter]: At program point L901-3(lines 886 904) the Hoare annotation is: false [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L901-4(lines 886 904) the Hoare annotation is: false [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L901-5(lines 886 904) the Hoare annotation is: false [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L837(lines 830 840) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L837-1(lines 830 840) the Hoare annotation is: false [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L837-2(lines 830 840) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L837-3(lines 830 840) the Hoare annotation is: false [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L837-4(lines 830 840) the Hoare annotation is: false [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L837-5(lines 830 840) the Hoare annotation is: false [2019-10-22 08:58:51,577 INFO L439 ceAbstractionStarter]: At program point L837-6(lines 830 840) the Hoare annotation is: false [2019-10-22 08:58:51,578 INFO L439 ceAbstractionStarter]: At program point L837-7(lines 830 840) the Hoare annotation is: false [2019-10-22 08:58:51,578 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 577) no Hoare annotation was computed. [2019-10-22 08:58:51,578 INFO L439 ceAbstractionStarter]: At program point L837-8(lines 830 840) the Hoare annotation is: false [2019-10-22 08:58:51,579 INFO L443 ceAbstractionStarter]: For program point L573-3(lines 573 577) no Hoare annotation was computed. [2019-10-22 08:58:51,579 INFO L443 ceAbstractionStarter]: For program point L573-6(lines 573 577) no Hoare annotation was computed. [2019-10-22 08:58:51,579 INFO L439 ceAbstractionStarter]: At program point L972(lines 923 973) the Hoare annotation is: false [2019-10-22 08:58:51,579 INFO L439 ceAbstractionStarter]: At program point L642(lines 637 645) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse3 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-10-22 08:58:51,579 INFO L439 ceAbstractionStarter]: At program point L642-1(lines 637 645) the Hoare annotation is: false [2019-10-22 08:58:51,579 INFO L439 ceAbstractionStarter]: At program point L642-2(lines 637 645) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610(lines 605 613) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 2) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-1(lines 605 613) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-2(lines 605 613) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-3(lines 605 613) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-4(lines 605 613) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-5(lines 605 613) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-6(lines 605 613) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-7(lines 605 613) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L610-8(lines 605 613) the Hoare annotation is: false [2019-10-22 08:58:51,580 INFO L439 ceAbstractionStarter]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:51,581 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-10-22 08:58:51,581 INFO L443 ceAbstractionStarter]: For program point L776-1(lines 776 793) no Hoare annotation was computed. [2019-10-22 08:58:51,581 INFO L443 ceAbstractionStarter]: For program point L776-2(lines 776 793) no Hoare annotation was computed. [2019-10-22 08:58:51,581 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-10-22 08:58:51,581 INFO L446 ceAbstractionStarter]: At program point L183-1(lines 183 190) the Hoare annotation is: true [2019-10-22 08:58:51,581 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-10-22 08:58:51,581 INFO L439 ceAbstractionStarter]: At program point L944-1(lines 944 950) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (= ~pumpRunning~0 0) .cse1) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse2 .cse1)))) [2019-10-22 08:58:51,581 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-10-22 08:58:51,581 INFO L443 ceAbstractionStarter]: For program point L812-2(lines 812 818) no Hoare annotation was computed. [2019-10-22 08:58:51,582 INFO L443 ceAbstractionStarter]: For program point L812-4(lines 812 818) no Hoare annotation was computed. [2019-10-22 08:58:51,582 INFO L443 ceAbstractionStarter]: For program point L812-6(lines 812 818) no Hoare annotation was computed. [2019-10-22 08:58:51,582 INFO L443 ceAbstractionStarter]: For program point L812-8(lines 812 818) no Hoare annotation was computed. [2019-10-22 08:58:51,582 INFO L443 ceAbstractionStarter]: For program point L812-10(lines 812 818) no Hoare annotation was computed. [2019-10-22 08:58:51,582 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:51,583 INFO L439 ceAbstractionStarter]: At program point L846(lines 841 849) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4 (and .cse0 .cse1 .cse2)) (and .cse1 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)))) [2019-10-22 08:58:51,583 INFO L439 ceAbstractionStarter]: At program point L846-1(lines 841 849) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-10-22 08:58:51,583 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-10-22 08:58:51,583 INFO L439 ceAbstractionStarter]: At program point L846-2(lines 841 849) the Hoare annotation is: false [2019-10-22 08:58:51,583 INFO L443 ceAbstractionStarter]: For program point L780-1(lines 780 788) no Hoare annotation was computed. [2019-10-22 08:58:51,583 INFO L439 ceAbstractionStarter]: At program point L846-3(lines 841 849) the Hoare annotation is: false [2019-10-22 08:58:51,583 INFO L439 ceAbstractionStarter]: At program point L846-4(lines 841 849) the Hoare annotation is: false [2019-10-22 08:58:51,583 INFO L443 ceAbstractionStarter]: For program point L780-2(lines 780 788) no Hoare annotation was computed. [2019-10-22 08:58:51,584 INFO L439 ceAbstractionStarter]: At program point L846-5(lines 841 849) the Hoare annotation is: false [2019-10-22 08:58:51,584 INFO L439 ceAbstractionStarter]: At program point L683(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:51,584 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-10-22 08:58:51,584 INFO L443 ceAbstractionStarter]: For program point L650-1(lines 650 656) no Hoare annotation was computed. [2019-10-22 08:58:51,584 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 656) no Hoare annotation was computed. [2019-10-22 08:58:51,584 INFO L443 ceAbstractionStarter]: For program point L650-3(lines 650 656) no Hoare annotation was computed. [2019-10-22 08:58:51,584 INFO L443 ceAbstractionStarter]: For program point L650-4(lines 650 656) no Hoare annotation was computed. [2019-10-22 08:58:51,584 INFO L443 ceAbstractionStarter]: For program point L650-5(lines 650 656) no Hoare annotation was computed. [2019-10-22 08:58:51,584 INFO L439 ceAbstractionStarter]: At program point L155(lines 151 157) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:51,584 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-10-22 08:58:51,585 INFO L443 ceAbstractionStarter]: For program point L750-1(lines 750 767) no Hoare annotation was computed. [2019-10-22 08:58:51,585 INFO L443 ceAbstractionStarter]: For program point L750-2(lines 750 767) no Hoare annotation was computed. [2019-10-22 08:58:51,585 INFO L443 ceAbstractionStarter]: For program point L750-3(lines 750 767) no Hoare annotation was computed. [2019-10-22 08:58:51,585 INFO L443 ceAbstractionStarter]: For program point L750-4(lines 750 767) no Hoare annotation was computed. [2019-10-22 08:58:51,585 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-10-22 08:58:51,585 INFO L443 ceAbstractionStarter]: For program point L750-5(lines 750 767) no Hoare annotation was computed. [2019-10-22 08:58:51,585 INFO L439 ceAbstractionStarter]: At program point L718(lines 714 736) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1 .cse2)))) [2019-10-22 08:58:51,585 INFO L439 ceAbstractionStarter]: At program point L718-1(lines 714 736) the Hoare annotation is: false [2019-10-22 08:58:51,585 INFO L439 ceAbstractionStarter]: At program point L718-2(lines 714 736) the Hoare annotation is: false [2019-10-22 08:58:51,585 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:51,586 INFO L439 ceAbstractionStarter]: At program point L59(lines 718 724) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (and .cse0 .cse1 .cse2)) (and .cse1 (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse2)))) [2019-10-22 08:58:51,586 INFO L439 ceAbstractionStarter]: At program point L59-1(lines 718 724) the Hoare annotation is: false [2019-10-22 08:58:51,586 INFO L439 ceAbstractionStarter]: At program point L59-2(lines 718 724) the Hoare annotation is: false [2019-10-22 08:58:51,586 INFO L446 ceAbstractionStarter]: At program point L192(lines 173 195) the Hoare annotation is: true [2019-10-22 08:58:51,587 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-10-22 08:58:51,587 INFO L443 ceAbstractionStarter]: For program point L754-1(lines 754 762) no Hoare annotation was computed. [2019-10-22 08:58:51,587 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2019-10-22 08:58:51,587 INFO L439 ceAbstractionStarter]: At program point L655(lines 646 659) the Hoare annotation is: false [2019-10-22 08:58:51,587 INFO L443 ceAbstractionStarter]: For program point L754-3(lines 754 762) no Hoare annotation was computed. [2019-10-22 08:58:51,587 INFO L439 ceAbstractionStarter]: At program point L655-1(lines 646 659) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2019-10-22 08:58:51,587 INFO L443 ceAbstractionStarter]: For program point L754-4(lines 754 762) no Hoare annotation was computed. [2019-10-22 08:58:51,588 INFO L439 ceAbstractionStarter]: At program point L655-2(lines 646 659) the Hoare annotation is: false [2019-10-22 08:58:51,588 INFO L443 ceAbstractionStarter]: For program point L754-5(lines 754 762) no Hoare annotation was computed. [2019-10-22 08:58:51,588 INFO L439 ceAbstractionStarter]: At program point L655-3(lines 646 659) the Hoare annotation is: false [2019-10-22 08:58:51,588 INFO L439 ceAbstractionStarter]: At program point L655-4(lines 646 659) the Hoare annotation is: false [2019-10-22 08:58:51,588 INFO L439 ceAbstractionStarter]: At program point L655-5(lines 646 659) the Hoare annotation is: false [2019-10-22 08:58:51,588 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:51,588 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 967) no Hoare annotation was computed. [2019-10-22 08:58:51,588 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-10-22 08:58:51,588 INFO L439 ceAbstractionStarter]: At program point L691(lines 686 694) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 08:58:51,589 INFO L439 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse3 (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2)) (and .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2))) [2019-10-22 08:58:51,589 INFO L439 ceAbstractionStarter]: At program point L725-1(lines 725 731) the Hoare annotation is: false [2019-10-22 08:58:51,589 INFO L439 ceAbstractionStarter]: At program point L725-2(lines 725 731) the Hoare annotation is: false [2019-10-22 08:58:51,589 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-10-22 08:58:51,589 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:51,589 INFO L443 ceAbstractionStarter]: For program point L925(lines 924 971) no Hoare annotation was computed. [2019-10-22 08:58:51,589 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 930) no Hoare annotation was computed. [2019-10-22 08:58:51,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:51 BoogieIcfgContainer [2019-10-22 08:58:51,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:51,624 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:51,624 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:51,624 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:51,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:47" (3/4) ... [2019-10-22 08:58:51,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:51,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:58:51,643 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:58:51,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:58:51,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:51,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:51,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:58:51,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 08:58:51,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 08:58:51,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 08:58:51,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 08:58:51,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning) && 1 <= \result) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:58:51,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:58:51,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) [2019-10-22 08:58:51,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 08:58:51,673 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 08:58:51,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-10-22 08:58:51,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter [2019-10-22 08:58:51,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:58:51,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) [2019-10-22 08:58:51,675 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:58:51,734 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6657343-5dc4-423d-a5d6-fdc4ca1cd833/bin/uautomizer/witness.graphml [2019-10-22 08:58:51,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:51,735 INFO L168 Benchmark]: Toolchain (without parser) took 5558.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 944.7 MB in the beginning and 949.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 186.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:51,736 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:51,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:51,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.68 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. [2019-10-22 08:58:51,736 INFO L168 Benchmark]: Boogie Preprocessor took 47.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:51,737 INFO L168 Benchmark]: RCFGBuilder took 988.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:51,737 INFO L168 Benchmark]: TraceAbstraction took 3860.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.0 GB in the beginning and 971.5 MB in the end (delta: 61.7 MB). Peak memory consumption was 183.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:51,737 INFO L168 Benchmark]: Witness Printer took 110.21 ms. Allocated memory is still 1.2 GB. Free memory was 971.5 MB in the beginning and 949.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:51,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 486.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.68 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 47.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 988.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3860.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.0 GB in the beginning and 971.5 MB in the end (delta: 61.7 MB). Peak memory consumption was 183.1 MB. Max. memory is 11.5 GB. * Witness Printer took 110.21 ms. Allocated memory is still 1.2 GB. Free memory was 971.5 MB in the beginning and 949.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 700]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 700]: 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: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: (((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && 1 < tmp) && tmp <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 646]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (waterLevel <= 2 && (((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter) && 1 <= pumpRunning) && 1 <= \result) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter)) || (waterLevel <= 2 && ((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && waterLevel <= 2) || (1 <= pumpRunning && ((1 == systemActive && 2 <= waterLevel) && waterLevel <= 2) && 0 == splverifierCounter)) || (((1 <= switchedOnBeforeTS && 1 <= pumpRunning) && 1 <= \result) && (1 == systemActive && waterLevel <= 2) && 0 == splverifierCounter) - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: ((((1 == systemActive && waterLevel <= 2) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && waterLevel <= 2) && \result <= 2) && 2 <= \result) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= switchedOnBeforeTS) && 1 <= pumpRunning) && waterLevel <= 2) && 1 <= \result) && 0 == splverifierCounter) - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 3 error locations. Result: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, HoareTripleCheckerStatistics: 1088 SDtfs, 1228 SDslu, 1260 SDs, 0 SdLazy, 227 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=9, 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, 10 MinimizatonAttempts, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 62 PreInvPairs, 145 NumberOfFragments, 714 HoareAnnotationTreeSize, 62 FomulaSimplifications, 25477 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6472 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 31937 SizeOfPredicates, 4 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 22/32 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...