./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/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 936e1fac1e718929285e646469efe9b1619e10b2 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:19:12,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:19:12,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:19:12,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:19:12,125 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:19:12,125 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:19:12,126 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:19:12,127 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:19:12,128 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:19:12,129 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:19:12,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:19:12,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:19:12,130 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:19:12,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:19:12,131 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:19:12,131 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:19:12,132 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:19:12,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:19:12,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:19:12,134 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:19:12,135 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:19:12,136 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:19:12,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:19:12,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:19:12,137 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:19:12,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:19:12,138 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:19:12,139 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:19:12,139 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:19:12,140 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:19:12,140 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:19:12,140 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:19:12,140 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:19:12,140 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:19:12,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:19:12,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:19:12,141 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 01:19:12,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:19:12,149 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:19:12,150 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:19:12,150 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:19:12,150 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 01:19:12,150 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 01:19:12,150 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 01:19:12,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:19:12,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:19:12,151 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:19:12,151 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:19:12,152 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:19:12,152 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-12-02 01:19:12,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:19:12,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:19:12,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:19:12,179 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:19:12,179 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:19:12,180 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-02 01:19:12,215 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/data/d1ca55e06/436069dd98bd460ab2a58b2be3128c2d/FLAG0e4daf705 [2018-12-02 01:19:12,629 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:19:12,630 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-02 01:19:12,636 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/data/d1ca55e06/436069dd98bd460ab2a58b2be3128c2d/FLAG0e4daf705 [2018-12-02 01:19:12,644 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/data/d1ca55e06/436069dd98bd460ab2a58b2be3128c2d [2018-12-02 01:19:12,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:19:12,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:19:12,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:19:12,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:19:12,649 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:19:12,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:12,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f792852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12, skipping insertion in model container [2018-12-02 01:19:12,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:12,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:19:12,678 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:19:12,850 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:19:12,853 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:19:12,955 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:19:12,965 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:19:12,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12 WrapperNode [2018-12-02 01:19:12,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:19:12,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:19:12,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:19:12,966 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:19:12,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:12,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:12,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:19:12,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:19:12,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:19:12,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:19:12,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:12,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:12,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:12,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:13,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:13,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:13,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... [2018-12-02 01:19:13,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:19:13,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:19:13,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:19:13,029 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:19:13,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/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 [2018-12-02 01:19:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:19:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:19:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 01:19:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 01:19:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:19:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:19:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:19:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:19:13,631 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:19:13,631 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 01:19:13,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:13 BoogieIcfgContainer [2018-12-02 01:19:13,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:19:13,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:19:13,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:19:13,634 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:19:13,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:19:12" (1/3) ... [2018-12-02 01:19:13,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1688bbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:13, skipping insertion in model container [2018-12-02 01:19:13,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:12" (2/3) ... [2018-12-02 01:19:13,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1688bbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:13, skipping insertion in model container [2018-12-02 01:19:13,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:13" (3/3) ... [2018-12-02 01:19:13,636 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-12-02 01:19:13,642 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:19:13,647 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:19:13,657 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:19:13,676 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 01:19:13,677 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:19:13,677 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:19:13,677 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:19:13,677 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:19:13,677 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:19:13,677 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:19:13,677 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:19:13,677 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:19:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 01:19:13,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 01:19:13,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:13,697 INFO L402 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:19:13,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:13,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:13,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2018-12-02 01:19:13,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:13,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:13,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:13,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:13,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:13,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:19:13,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:19:13,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:19:13,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:19:13,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:19:13,940 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 01:19:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:14,370 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 01:19:14,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:19:14,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-12-02 01:19:14,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:14,380 INFO L225 Difference]: With dead ends: 547 [2018-12-02 01:19:14,380 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 01:19:14,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:19:14,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 01:19:14,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 01:19:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 01:19:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-02 01:19:14,419 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 91 [2018-12-02 01:19:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:14,420 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-02 01:19:14,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:19:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-02 01:19:14,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 01:19:14,422 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:14,423 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:19:14,423 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:14,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:14,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2018-12-02 01:19:14,423 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:14,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:14,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:14,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:14,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:14,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:19:14,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:19:14,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:19:14,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:19:14,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:19:14,511 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-02 01:19:14,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:14,891 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-02 01:19:14,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:19:14,891 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-12-02 01:19:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:14,894 INFO L225 Difference]: With dead ends: 703 [2018-12-02 01:19:14,894 INFO L226 Difference]: Without dead ends: 431 [2018-12-02 01:19:14,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:19:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-02 01:19:14,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-02 01:19:14,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-02 01:19:14,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-02 01:19:14,912 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 101 [2018-12-02 01:19:14,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:14,913 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-02 01:19:14,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:19:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-02 01:19:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 01:19:14,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:14,915 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:19:14,915 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:14,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:14,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2018-12-02 01:19:14,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:14,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:14,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:14,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:14,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:14,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:19:14,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:19:14,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:19:14,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:19:14,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:19:14,987 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-02 01:19:15,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:15,230 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-02 01:19:15,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:19:15,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-12-02 01:19:15,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:15,233 INFO L225 Difference]: With dead ends: 1241 [2018-12-02 01:19:15,234 INFO L226 Difference]: Without dead ends: 828 [2018-12-02 01:19:15,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:19:15,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-02 01:19:15,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-02 01:19:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-02 01:19:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-12-02 01:19:15,255 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 102 [2018-12-02 01:19:15,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:15,256 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-12-02 01:19:15,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:19:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-12-02 01:19:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 01:19:15,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:15,259 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1] [2018-12-02 01:19:15,259 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:15,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:15,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2018-12-02 01:19:15,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:15,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:15,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:15,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:15,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:15,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:19:15,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:19:15,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:19:15,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:19:15,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:19:15,317 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-12-02 01:19:15,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:15,686 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-12-02 01:19:15,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:19:15,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-12-02 01:19:15,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:15,693 INFO L225 Difference]: With dead ends: 2250 [2018-12-02 01:19:15,693 INFO L226 Difference]: Without dead ends: 1428 [2018-12-02 01:19:15,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:19:15,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-12-02 01:19:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-12-02 01:19:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-12-02 01:19:15,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1852 transitions. [2018-12-02 01:19:15,731 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1852 transitions. Word has length 116 [2018-12-02 01:19:15,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:15,731 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1852 transitions. [2018-12-02 01:19:15,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:19:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1852 transitions. [2018-12-02 01:19:15,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 01:19:15,734 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:15,734 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2018-12-02 01:19:15,734 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:15,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:15,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2018-12-02 01:19:15,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:15,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:15,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:15,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:15,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:15,813 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:19:15,813 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:19:15,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:15,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:19:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:15,947 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:19:15,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-02 01:19:15,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:19:15,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:19:15,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:19:15,949 INFO L87 Difference]: Start difference. First operand 1400 states and 1852 transitions. Second operand 7 states. [2018-12-02 01:19:16,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:16,452 INFO L93 Difference]: Finished difference Result 3245 states and 4457 transitions. [2018-12-02 01:19:16,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:19:16,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2018-12-02 01:19:16,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:16,457 INFO L225 Difference]: With dead ends: 3245 [2018-12-02 01:19:16,457 INFO L226 Difference]: Without dead ends: 1851 [2018-12-02 01:19:16,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:19:16,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2018-12-02 01:19:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1541. [2018-12-02 01:19:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2018-12-02 01:19:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 2040 transitions. [2018-12-02 01:19:16,492 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 2040 transitions. Word has length 133 [2018-12-02 01:19:16,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:16,492 INFO L480 AbstractCegarLoop]: Abstraction has 1541 states and 2040 transitions. [2018-12-02 01:19:16,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:19:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 2040 transitions. [2018-12-02 01:19:16,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 01:19:16,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:16,494 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2018-12-02 01:19:16,494 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:16,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:16,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1001122943, now seen corresponding path program 1 times [2018-12-02 01:19:16,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:16,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:16,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:16,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:16,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:16,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:19:16,564 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:19:16,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:16,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:19:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 01:19:16,672 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:19:16,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-02 01:19:16,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:19:16,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:19:16,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:19:16,673 INFO L87 Difference]: Start difference. First operand 1541 states and 2040 transitions. Second operand 8 states. [2018-12-02 01:19:17,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:17,670 INFO L93 Difference]: Finished difference Result 3718 states and 5160 transitions. [2018-12-02 01:19:17,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 01:19:17,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2018-12-02 01:19:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:17,677 INFO L225 Difference]: With dead ends: 3718 [2018-12-02 01:19:17,678 INFO L226 Difference]: Without dead ends: 2183 [2018-12-02 01:19:17,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-12-02 01:19:17,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2183 states. [2018-12-02 01:19:17,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2183 to 1712. [2018-12-02 01:19:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2018-12-02 01:19:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2129 transitions. [2018-12-02 01:19:17,733 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2129 transitions. Word has length 137 [2018-12-02 01:19:17,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:17,733 INFO L480 AbstractCegarLoop]: Abstraction has 1712 states and 2129 transitions. [2018-12-02 01:19:17,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:19:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2129 transitions. [2018-12-02 01:19:17,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 01:19:17,737 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:17,737 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2018-12-02 01:19:17,738 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:17,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:17,738 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2018-12-02 01:19:17,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:17,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:17,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:17,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:17,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:17,822 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:19:17,822 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:19:17,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:17,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:19:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:19:17,920 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:19:17,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-12-02 01:19:17,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:19:17,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:19:17,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:19:17,921 INFO L87 Difference]: Start difference. First operand 1712 states and 2129 transitions. Second operand 7 states. [2018-12-02 01:19:18,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:18,317 INFO L93 Difference]: Finished difference Result 4026 states and 5214 transitions. [2018-12-02 01:19:18,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:19:18,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2018-12-02 01:19:18,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:18,322 INFO L225 Difference]: With dead ends: 4026 [2018-12-02 01:19:18,322 INFO L226 Difference]: Without dead ends: 2320 [2018-12-02 01:19:18,324 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:19:18,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2018-12-02 01:19:18,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 2155. [2018-12-02 01:19:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2155 states. [2018-12-02 01:19:18,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2721 transitions. [2018-12-02 01:19:18,355 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2721 transitions. Word has length 157 [2018-12-02 01:19:18,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:18,355 INFO L480 AbstractCegarLoop]: Abstraction has 2155 states and 2721 transitions. [2018-12-02 01:19:18,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:19:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2721 transitions. [2018-12-02 01:19:18,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 01:19:18,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:18,358 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2018-12-02 01:19:18,358 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:18,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:18,358 INFO L82 PathProgramCache]: Analyzing trace with hash 97285180, now seen corresponding path program 1 times [2018-12-02 01:19:18,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:18,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:18,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:18,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:18,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:18,415 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 01:19:18,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:19:18,415 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:19:18,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:18,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:19:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:19:18,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:19:18,523 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-02 01:19:18,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:19:18,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:19:18,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:19:18,523 INFO L87 Difference]: Start difference. First operand 2155 states and 2721 transitions. Second operand 9 states. [2018-12-02 01:19:19,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:19,694 INFO L93 Difference]: Finished difference Result 4869 states and 6514 transitions. [2018-12-02 01:19:19,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-02 01:19:19,695 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2018-12-02 01:19:19,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:19,701 INFO L225 Difference]: With dead ends: 4869 [2018-12-02 01:19:19,701 INFO L226 Difference]: Without dead ends: 2720 [2018-12-02 01:19:19,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-12-02 01:19:19,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2018-12-02 01:19:19,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 2604. [2018-12-02 01:19:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2604 states. [2018-12-02 01:19:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 3140 transitions. [2018-12-02 01:19:19,746 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 3140 transitions. Word has length 173 [2018-12-02 01:19:19,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:19,747 INFO L480 AbstractCegarLoop]: Abstraction has 2604 states and 3140 transitions. [2018-12-02 01:19:19,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:19:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 3140 transitions. [2018-12-02 01:19:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-02 01:19:19,750 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:19:19,750 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2018-12-02 01:19:19,751 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:19:19,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:19:19,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1408801773, now seen corresponding path program 1 times [2018-12-02 01:19:19,751 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 01:19:19,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 01:19:19,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:19,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:19,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:19:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 01:19:19,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:19:19,806 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 01:19:19,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:19:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:19:19,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:19:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 01:19:19,903 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 01:19:19,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-12-02 01:19:19,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 01:19:19,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 01:19:19,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:19:19,904 INFO L87 Difference]: Start difference. First operand 2604 states and 3140 transitions. Second operand 8 states. [2018-12-02 01:19:21,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:19:21,225 INFO L93 Difference]: Finished difference Result 7001 states and 8774 transitions. [2018-12-02 01:19:21,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-02 01:19:21,225 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 195 [2018-12-02 01:19:21,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:19:21,226 INFO L225 Difference]: With dead ends: 7001 [2018-12-02 01:19:21,226 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:19:21,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-12-02 01:19:21,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:19:21,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:19:21,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:19:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:19:21,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2018-12-02 01:19:21,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:19:21,233 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:19:21,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 01:19:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:19:21,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:19:21,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:19:21,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,433 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 186 [2018-12-02 01:19:21,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:19:21,546 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 186 [2018-12-02 01:19:21,970 WARN L180 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 52 [2018-12-02 01:19:22,416 WARN L180 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2018-12-02 01:19:22,839 WARN L180 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,841 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,842 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 01:19:22,843 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 01:19:22,844 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 01:19:22,845 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 01:19:22,846 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 01:19:22,847 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 01:19:22,848 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 01:19:22,849 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= 6 |old(~a16~0)|)) (.cse17 (< 0 |old(~a21~0)|)) (.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse10 (= |old(~a8~0)| ~a8~0)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse12 (= ~a20~0 |old(~a20~0)|)) (.cse13 (= ~a21~0 |old(~a21~0)|)) (.cse7 (not (= 1 |old(~a21~0)|))) (.cse14 (not (= 1 |old(~a20~0)|)))) (let ((.cse0 (or .cse7 .cse14)) (.cse4 (and .cse9 .cse10 .cse15 .cse11 .cse12 .cse13)) (.cse3 (or .cse6 .cse17)) (.cse1 (and .cse9 .cse10 .cse15 .cse16 (= 1 ~a21~0) .cse12)) (.cse8 (= 13 |old(~a8~0)|)) (.cse2 (not (= 1 |old(~a17~0)|))) (.cse5 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse5 .cse1) (or .cse6 .cse7 .cse5 .cse4) (or .cse7 .cse8 .cse5 .cse1) (or (and .cse9 .cse10 .cse11 .cse12 .cse13 (= 1 ~a17~0)) .cse3 .cse2) (or .cse7 .cse1 .cse8 .cse2) (or .cse14 .cse5 (and .cse13 .cse9 .cse10 .cse15 .cse16 .cse12) .cse17)))) [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,850 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,851 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 01:19:22,852 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 01:19:22,853 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:19:22,854 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 13)) (= ~a16~0 5) (= 1 ~a17~0)) [2018-12-02 01:19:22,854 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:19:22,854 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:19:22,854 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (= 13 |old(~a8~0)|) (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-02 01:19:22,854 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 01:19:22,854 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (= 1 ~a20~0)) (.cse5 (= 1 ~a21~0))) (let ((.cse0 (not (= 1 |old(~a21~0)|))) (.cse9 (and .cse10 .cse5)) (.cse3 (= 1 ~a17~0))) (let ((.cse8 (and .cse9 .cse3)) (.cse7 (not (= ~a8~0 13))) (.cse1 (<= ~a21~0 0)) (.cse2 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1))))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse5 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse6 .cse4) (and .cse8 .cse4) (and .cse6 .cse4 .cse9) (and .cse8 (= ~a7~0 |old(~a7~0)|) (= ~a16~0 5)) (= 13 |old(~a8~0)|) (and .cse1 .cse10 .cse6 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse6 .cse4))))) [2018-12-02 01:19:22,854 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 01:19:22,854 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 01:19:22,854 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (= 1 ~a20~0)) (.cse5 (= 1 ~a21~0))) (let ((.cse0 (not (= 1 |old(~a21~0)|))) (.cse9 (and .cse10 .cse5)) (.cse3 (= 1 ~a17~0))) (let ((.cse8 (and .cse9 .cse3)) (.cse7 (not (= ~a8~0 13))) (.cse1 (<= ~a21~0 0)) (.cse2 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1))))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse5 .cse6 .cse4 .cse7) (and .cse2 .cse5 .cse6 .cse4) (and .cse8 .cse4) (and .cse6 .cse4 .cse9) (and .cse8 (= ~a7~0 |old(~a7~0)|) (= ~a16~0 5)) (= 13 |old(~a8~0)|) (and .cse1 .cse10 .cse6 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse6 .cse4))))) [2018-12-02 01:19:22,855 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 01:19:22,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:19:22 BoogieIcfgContainer [2018-12-02 01:19:22,868 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:19:22,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:19:22,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:19:22,869 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:19:22,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:13" (3/4) ... [2018-12-02 01:19:22,872 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:19:22,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:19:22,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 01:19:22,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:19:22,886 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 01:19:22,886 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 01:19:22,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a20 && 1 == a21) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || ((a17 <= 0 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a20 && 1 == a21)) || ((((1 == a20 && 1 == a21) && 1 == a17) && a7 == \old(a7)) && a16 == 5)) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) [2018-12-02 01:19:22,948 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_28da8a33-3e72-44cc-bae0-2b04bd5c2dbb/bin-2019/uautomizer/witness.graphml [2018-12-02 01:19:22,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:19:22,949 INFO L168 Benchmark]: Toolchain (without parser) took 10302.79 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 448.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 286.0 MB. Max. memory is 11.5 GB. [2018-12-02 01:19:22,949 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:19:22,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:19:22,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.74 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:19:22,950 INFO L168 Benchmark]: Boogie Preprocessor took 44.63 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:19:22,950 INFO L168 Benchmark]: RCFGBuilder took 602.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. [2018-12-02 01:19:22,950 INFO L168 Benchmark]: TraceAbstraction took 9236.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 320.9 MB). Free memory was 979.5 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 451.3 MB. Max. memory is 11.5 GB. [2018-12-02 01:19:22,951 INFO L168 Benchmark]: Witness Printer took 79.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-02 01:19:22,952 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.74 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.63 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 602.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 113.9 MB). Peak memory consumption was 113.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9236.34 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 320.9 MB). Free memory was 979.5 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 451.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.93 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a20 && 1 == a21) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || ((a17 <= 0 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a20 && 1 == a21)) || ((((1 == a20 && 1 == a21) && 1 == a17) && a7 == \old(a7)) && a16 == 5)) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 329 SDtfs, 4429 SDslu, 543 SDs, 0 SdLazy, 8856 SolverSat, 1636 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 943 GetRequests, 838 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2604occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1102 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 121 PreInvPairs, 197 NumberOfFragments, 730 HoareAnnotationTreeSize, 121 FomulaSimplifications, 59866 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 36950 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 2000 NumberOfCodeBlocks, 2000 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1986 ConstructedInterpolants, 0 QuantifiedInterpolants, 667073 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2376 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 809/939 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...