./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.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_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/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 6e679f9bfc379fa4fbede70512fc16896a5c333e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:24:29,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:24:29,552 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:24:29,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:24:29,560 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:24:29,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:24:29,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:24:29,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:24:29,564 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:24:29,565 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:24:29,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:24:29,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:24:29,566 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:24:29,567 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:24:29,568 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:24:29,568 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:24:29,569 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:24:29,570 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:24:29,571 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:24:29,573 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:24:29,573 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:24:29,574 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:24:29,576 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:24:29,576 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:24:29,576 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:24:29,577 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:24:29,577 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:24:29,578 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:24:29,578 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:24:29,579 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:24:29,579 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:24:29,580 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:24:29,580 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:24:29,580 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:24:29,581 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:24:29,581 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:24:29,581 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 17:24:29,589 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:24:29,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:24:29,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:24:29,590 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:24:29,590 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:24:29,590 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:24:29,590 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 17:24:29,591 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:24:29,591 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:24:29,591 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:24:29,591 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:24:29,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:24:29,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:24:29,591 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:24:29,592 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:24:29,592 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:24:29,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:24:29,592 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:24:29,592 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:24:29,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:24:29,593 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:24:29,593 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:24:29,593 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:24:29,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:24:29,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:24:29,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:24:29,594 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:24:29,594 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 17:24:29,594 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:24:29,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:24:29,594 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_3960e24d-a63c-422e-aec7-a16fb6cb5c16/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-12-08 17:24:29,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:24:29,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:24:29,621 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:24:29,622 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:24:29,622 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:24:29,622 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-12-08 17:24:29,656 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/data/298f8c41f/334d97c4bbfb4a3cad732c6dfa3fa7f2/FLAG156f5bd54 [2018-12-08 17:24:30,130 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:24:30,130 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-12-08 17:24:30,137 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/data/298f8c41f/334d97c4bbfb4a3cad732c6dfa3fa7f2/FLAG156f5bd54 [2018-12-08 17:24:30,146 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/data/298f8c41f/334d97c4bbfb4a3cad732c6dfa3fa7f2 [2018-12-08 17:24:30,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:24:30,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:24:30,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:24:30,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:24:30,152 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:24:30,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30, skipping insertion in model container [2018-12-08 17:24:30,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:24:30,182 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:24:30,353 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:24:30,356 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:24:30,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:24:30,452 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:24:30,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30 WrapperNode [2018-12-08 17:24:30,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:24:30,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:24:30,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:24:30,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:24:30,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:24:30,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:24:30,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:24:30,472 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:24:30,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... [2018-12-08 17:24:30,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:24:30,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:24:30,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:24:30,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:24:30,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/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 [2018-12-08 17:24:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:24:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:24:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 17:24:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 17:24:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:24:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:24:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:24:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:24:31,124 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:24:31,124 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:24:31,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:31 BoogieIcfgContainer [2018-12-08 17:24:31,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:24:31,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:24:31,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:24:31,127 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:24:31,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:24:30" (1/3) ... [2018-12-08 17:24:31,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0c0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:24:31, skipping insertion in model container [2018-12-08 17:24:31,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:24:30" (2/3) ... [2018-12-08 17:24:31,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c0c0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:24:31, skipping insertion in model container [2018-12-08 17:24:31,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:31" (3/3) ... [2018-12-08 17:24:31,130 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-12-08 17:24:31,136 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:24:31,141 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:24:31,151 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:24:31,171 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:24:31,172 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:24:31,172 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:24:31,172 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:24:31,172 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:24:31,172 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:24:31,172 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:24:31,173 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:24:31,173 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:24:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-08 17:24:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 17:24:31,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:31,192 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] [2018-12-08 17:24:31,193 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:31,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:31,197 INFO L82 PathProgramCache]: Analyzing trace with hash -2063812481, now seen corresponding path program 1 times [2018-12-08 17:24:31,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:31,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:31,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:31,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:31,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:31,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:31,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:31,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:24:31,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:24:31,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:24:31,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:24:31,396 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-08 17:24:31,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:31,851 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-08 17:24:31,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:24:31,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 17:24:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:31,860 INFO L225 Difference]: With dead ends: 571 [2018-12-08 17:24:31,860 INFO L226 Difference]: Without dead ends: 294 [2018-12-08 17:24:31,863 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 [2018-12-08 17:24:31,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-08 17:24:31,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-08 17:24:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-08 17:24:31,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-08 17:24:31,905 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 52 [2018-12-08 17:24:31,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:31,905 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-08 17:24:31,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:24:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-08 17:24:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 17:24:31,908 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:31,908 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, 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] [2018-12-08 17:24:31,908 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:31,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:31,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1911288886, now seen corresponding path program 1 times [2018-12-08 17:24:31,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:31,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:31,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:31,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:31,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:32,032 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:32,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:32,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:24:32,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:24:32,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:24:32,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:24:32,035 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2018-12-08 17:24:32,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:32,561 INFO L93 Difference]: Finished difference Result 888 states and 1367 transitions. [2018-12-08 17:24:32,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:24:32,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-12-08 17:24:32,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:32,564 INFO L225 Difference]: With dead ends: 888 [2018-12-08 17:24:32,564 INFO L226 Difference]: Without dead ends: 600 [2018-12-08 17:24:32,565 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:24:32,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-12-08 17:24:32,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 592. [2018-12-08 17:24:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-08 17:24:32,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 867 transitions. [2018-12-08 17:24:32,585 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 867 transitions. Word has length 134 [2018-12-08 17:24:32,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:32,586 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 867 transitions. [2018-12-08 17:24:32,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:24:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 867 transitions. [2018-12-08 17:24:32,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 17:24:32,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:32,588 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, 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] [2018-12-08 17:24:32,588 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:32,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:32,589 INFO L82 PathProgramCache]: Analyzing trace with hash 614464170, now seen corresponding path program 1 times [2018-12-08 17:24:32,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:32,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:32,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:32,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:32,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:32,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:32,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:24:32,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:24:32,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:24:32,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:24:32,685 INFO L87 Difference]: Start difference. First operand 592 states and 867 transitions. Second operand 6 states. [2018-12-08 17:24:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:33,120 INFO L93 Difference]: Finished difference Result 1490 states and 2245 transitions. [2018-12-08 17:24:33,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:24:33,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-12-08 17:24:33,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:33,126 INFO L225 Difference]: With dead ends: 1490 [2018-12-08 17:24:33,127 INFO L226 Difference]: Without dead ends: 904 [2018-12-08 17:24:33,128 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 [2018-12-08 17:24:33,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-12-08 17:24:33,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 890. [2018-12-08 17:24:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-12-08 17:24:33,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1300 transitions. [2018-12-08 17:24:33,157 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1300 transitions. Word has length 150 [2018-12-08 17:24:33,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:33,157 INFO L480 AbstractCegarLoop]: Abstraction has 890 states and 1300 transitions. [2018-12-08 17:24:33,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:24:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1300 transitions. [2018-12-08 17:24:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-08 17:24:33,161 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:33,161 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:24:33,161 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:33,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:33,162 INFO L82 PathProgramCache]: Analyzing trace with hash 628433146, now seen corresponding path program 1 times [2018-12-08 17:24:33,162 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:33,162 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:33,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:33,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:33,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:33,282 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:33,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:33,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:24:33,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:24:33,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:24:33,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:24:33,284 INFO L87 Difference]: Start difference. First operand 890 states and 1300 transitions. Second operand 6 states. [2018-12-08 17:24:33,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:33,779 INFO L93 Difference]: Finished difference Result 2104 states and 3183 transitions. [2018-12-08 17:24:33,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:24:33,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-12-08 17:24:33,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:33,784 INFO L225 Difference]: With dead ends: 2104 [2018-12-08 17:24:33,784 INFO L226 Difference]: Without dead ends: 1220 [2018-12-08 17:24:33,786 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 [2018-12-08 17:24:33,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2018-12-08 17:24:33,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1192. [2018-12-08 17:24:33,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-12-08 17:24:33,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1616 transitions. [2018-12-08 17:24:33,811 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1616 transitions. Word has length 174 [2018-12-08 17:24:33,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:33,812 INFO L480 AbstractCegarLoop]: Abstraction has 1192 states and 1616 transitions. [2018-12-08 17:24:33,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:24:33,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1616 transitions. [2018-12-08 17:24:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 17:24:33,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:33,814 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-08 17:24:33,815 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:33,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:33,815 INFO L82 PathProgramCache]: Analyzing trace with hash 880887528, now seen corresponding path program 1 times [2018-12-08 17:24:33,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:33,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:33,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:33,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:33,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:34,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:24:34,069 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/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 [2018-12-08 17:24:34,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:34,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:24:34,201 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:24:34,226 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 17:24:34,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5] total 15 [2018-12-08 17:24:34,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 17:24:34,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 17:24:34,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-12-08 17:24:34,227 INFO L87 Difference]: Start difference. First operand 1192 states and 1616 transitions. Second operand 15 states. [2018-12-08 17:24:36,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:36,433 INFO L93 Difference]: Finished difference Result 3369 states and 4994 transitions. [2018-12-08 17:24:36,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-08 17:24:36,434 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 213 [2018-12-08 17:24:36,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:36,440 INFO L225 Difference]: With dead ends: 3369 [2018-12-08 17:24:36,441 INFO L226 Difference]: Without dead ends: 2013 [2018-12-08 17:24:36,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=457, Invalid=1435, Unknown=0, NotChecked=0, Total=1892 [2018-12-08 17:24:36,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2018-12-08 17:24:36,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1794. [2018-12-08 17:24:36,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2018-12-08 17:24:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2319 transitions. [2018-12-08 17:24:36,484 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2319 transitions. Word has length 213 [2018-12-08 17:24:36,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:36,485 INFO L480 AbstractCegarLoop]: Abstraction has 1794 states and 2319 transitions. [2018-12-08 17:24:36,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 17:24:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2319 transitions. [2018-12-08 17:24:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-08 17:24:36,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:36,488 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-08 17:24:36,488 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:36,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:36,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1030862380, now seen corresponding path program 1 times [2018-12-08 17:24:36,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:36,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:36,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:36,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:36,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 17:24:36,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:24:36,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 17:24:36,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 17:24:36,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 17:24:36,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:24:36,578 INFO L87 Difference]: Start difference. First operand 1794 states and 2319 transitions. Second operand 4 states. [2018-12-08 17:24:37,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:37,039 INFO L93 Difference]: Finished difference Result 4450 states and 5820 transitions. [2018-12-08 17:24:37,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:24:37,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2018-12-08 17:24:37,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:37,045 INFO L225 Difference]: With dead ends: 4450 [2018-12-08 17:24:37,045 INFO L226 Difference]: Without dead ends: 2666 [2018-12-08 17:24:37,047 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:24:37,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2018-12-08 17:24:37,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 1941. [2018-12-08 17:24:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2018-12-08 17:24:37,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2382 transitions. [2018-12-08 17:24:37,079 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2382 transitions. Word has length 227 [2018-12-08 17:24:37,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:37,080 INFO L480 AbstractCegarLoop]: Abstraction has 1941 states and 2382 transitions. [2018-12-08 17:24:37,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 17:24:37,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2382 transitions. [2018-12-08 17:24:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-08 17:24:37,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:37,082 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-12-08 17:24:37,082 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:37,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:37,083 INFO L82 PathProgramCache]: Analyzing trace with hash -746901927, now seen corresponding path program 1 times [2018-12-08 17:24:37,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:37,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:37,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:37,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:37,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:37,158 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 90 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:24:37,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:24:37,158 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/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 [2018-12-08 17:24:37,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:37,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:24:37,248 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 17:24:37,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:24:37,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-08 17:24:37,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:24:37,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:24:37,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:24:37,273 INFO L87 Difference]: Start difference. First operand 1941 states and 2382 transitions. Second operand 6 states. [2018-12-08 17:24:37,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:24:37,775 INFO L93 Difference]: Finished difference Result 4043 states and 4973 transitions. [2018-12-08 17:24:37,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 17:24:37,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2018-12-08 17:24:37,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:24:37,779 INFO L225 Difference]: With dead ends: 4043 [2018-12-08 17:24:37,779 INFO L226 Difference]: Without dead ends: 2108 [2018-12-08 17:24:37,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 232 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:24:37,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2018-12-08 17:24:37,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2092. [2018-12-08 17:24:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2092 states. [2018-12-08 17:24:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2559 transitions. [2018-12-08 17:24:37,825 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2559 transitions. Word has length 230 [2018-12-08 17:24:37,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:24:37,826 INFO L480 AbstractCegarLoop]: Abstraction has 2092 states and 2559 transitions. [2018-12-08 17:24:37,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:24:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2559 transitions. [2018-12-08 17:24:37,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-08 17:24:37,830 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:24:37,830 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:24:37,830 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:24:37,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:24:37,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1693644177, now seen corresponding path program 1 times [2018-12-08 17:24:37,830 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:24:37,830 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:24:37,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:37,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:37,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:24:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 146 proven. 245 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:24:38,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:24:38,236 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/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 [2018-12-08 17:24:38,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:24:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:24:38,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:24:49,220 WARN L180 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-12-08 17:24:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 323 proven. 26 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-08 17:24:49,496 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 17:24:49,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 19 [2018-12-08 17:24:49,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 17:24:49,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 17:24:49,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:24:49,497 INFO L87 Difference]: Start difference. First operand 2092 states and 2559 transitions. Second operand 19 states. [2018-12-08 17:25:02,813 WARN L180 SmtUtils]: Spent 8.89 s on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2018-12-08 17:25:05,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:25:05,155 INFO L93 Difference]: Finished difference Result 5289 states and 6995 transitions. [2018-12-08 17:25:05,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-08 17:25:05,156 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 345 [2018-12-08 17:25:05,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:25:05,168 INFO L225 Difference]: With dead ends: 5289 [2018-12-08 17:25:05,168 INFO L226 Difference]: Without dead ends: 3346 [2018-12-08 17:25:05,173 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 373 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 21.7s TimeCoverageRelationStatistics Valid=712, Invalid=3070, Unknown=0, NotChecked=0, Total=3782 [2018-12-08 17:25:05,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3346 states. [2018-12-08 17:25:05,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3346 to 3125. [2018-12-08 17:25:05,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3125 states. [2018-12-08 17:25:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 3125 states and 3871 transitions. [2018-12-08 17:25:05,241 INFO L78 Accepts]: Start accepts. Automaton has 3125 states and 3871 transitions. Word has length 345 [2018-12-08 17:25:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:25:05,241 INFO L480 AbstractCegarLoop]: Abstraction has 3125 states and 3871 transitions. [2018-12-08 17:25:05,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 17:25:05,242 INFO L276 IsEmpty]: Start isEmpty. Operand 3125 states and 3871 transitions. [2018-12-08 17:25:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-08 17:25:05,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:25:05,247 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:25:05,247 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:25:05,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:25:05,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1194015548, now seen corresponding path program 1 times [2018-12-08 17:25:05,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:25:05,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:25:05,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:25:05,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:25:05,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:25:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:25:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-12-08 17:25:05,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:25:05,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:25:05,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:25:05,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:25:05,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:25:05,361 INFO L87 Difference]: Start difference. First operand 3125 states and 3871 transitions. Second operand 3 states. [2018-12-08 17:25:05,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:25:05,674 INFO L93 Difference]: Finished difference Result 4138 states and 5239 transitions. [2018-12-08 17:25:05,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:25:05,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2018-12-08 17:25:05,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:25:05,674 INFO L225 Difference]: With dead ends: 4138 [2018-12-08 17:25:05,675 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:25:05,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:25:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:25:05,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:25:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:25:05,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:25:05,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2018-12-08 17:25:05,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:25:05,680 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:25:05,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:25:05,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:25:05,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:25:05,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:25:05,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,870 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 194 [2018-12-08 17:25:05,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:05,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:25:06,364 WARN L180 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 40 [2018-12-08 17:25:06,676 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 42 [2018-12-08 17:25:06,940 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 42 [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:25:06,941 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,941 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-08 17:25:06,942 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 17:25:06,943 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-08 17:25:06,944 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,945 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,946 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,947 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 17:25:06,948 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-08 17:25:06,949 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse5 (= 10 |old(~a19~0)|)) (.cse1 (< 1 |old(~a10~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (or .cse0 .cse5) .cse2 .cse3 .cse4) (or (or .cse5 (not (= 2 |old(~a10~0)|))) .cse4 .cse2 .cse3) (or .cse1 (< (+ |old(~a1~0)| 12) 0) .cse2 .cse3 .cse4))) [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,950 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-08 17:25:06,951 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (<= ~a1~0 23) (not (= ~a19~0 7)) (not (= ~a19~0 10)) (not (= 1 ~a10~0)) (= ~a12~0 0) (= ~a4~0 14) (<= ~a10~0 1)) [2018-12-08 17:25:06,952 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (= 1 |old(~a10~0)|) (< 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 7))) (.cse0 (not (= ~a19~0 10))) (.cse2 (<= ~a10~0 1))) (or (< |old(~a1~0)| 23) (< 1 |old(~a10~0)|) (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 (= 2 ~a10~0)) (not (= 0 ~a12~0)) (= 1 |old(~a10~0)|) (and .cse2 (<= 0 (+ ~a1~0 12))) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|))) [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-08 17:25:06,952 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 7))) (.cse0 (not (= ~a19~0 10))) (.cse2 (<= ~a10~0 1))) (or (< |old(~a1~0)| 23) (< 1 |old(~a10~0)|) (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 (= 2 ~a10~0)) (not (= 0 ~a12~0)) (= 1 |old(~a10~0)|) (and .cse2 (<= 0 (+ ~a1~0 12))) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (< 23 |old(~a1~0)|) (= 7 |old(~a19~0)|))) [2018-12-08 17:25:06,952 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-08 17:25:06,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:25:06 BoogieIcfgContainer [2018-12-08 17:25:06,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:25:06,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:25:06,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:25:06,964 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:25:06,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:24:31" (3/4) ... [2018-12-08 17:25:06,967 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:25:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:25:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 17:25:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:25:06,980 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:25:06,981 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:25:06,999 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\old(a1) < 23 || 1 < \old(a10)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || (!(a19 == 10) && 2 == a10)) || !(0 == a12)) || 1 == \old(a10)) || (a10 <= 1 && 0 <= a1 + 12)) || 10 == \old(a19)) || !(14 == a4)) || 23 < \old(a1)) || 7 == \old(a19) [2018-12-08 17:25:07,065 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3960e24d-a63c-422e-aec7-a16fb6cb5c16/bin-2019/uautomizer/witness.graphml [2018-12-08 17:25:07,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:25:07,066 INFO L168 Benchmark]: Toolchain (without parser) took 36917.45 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 510.7 MB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -409.5 MB). Peak memory consumption was 101.1 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:07,067 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-08 17:25:07,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:07,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:25:07,067 INFO L168 Benchmark]: Boogie Preprocessor took 45.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:07,067 INFO L168 Benchmark]: RCFGBuilder took 607.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:07,067 INFO L168 Benchmark]: TraceAbstraction took 35838.23 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 390.1 MB). Free memory was 980.6 MB in the beginning and 1.4 GB in the end (delta: -408.4 MB). Peak memory consumption was 601.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:07,068 INFO L168 Benchmark]: Witness Printer took 101.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:25:07,069 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 302.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.40 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 607.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.6 MB in the end (delta: 108.8 MB). Peak memory consumption was 108.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35838.23 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 390.1 MB). Free memory was 980.6 MB in the beginning and 1.4 GB in the end (delta: -408.4 MB). Peak memory consumption was 601.3 MB. Max. memory is 11.5 GB. * Witness Printer took 101.85 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((((\old(a1) < 23 || 1 < \old(a10)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || (!(a19 == 10) && 2 == a10)) || !(0 == a12)) || 1 == \old(a10)) || (a10 <= 1 && 0 <= a1 + 12)) || 10 == \old(a19)) || !(14 == a4)) || 23 < \old(a1)) || 7 == \old(a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 35.7s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 21.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 303 SDtfs, 5292 SDslu, 545 SDs, 0 SdLazy, 9920 SolverSat, 2469 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 986 GetRequests, 846 SyntacticMatches, 8 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1478 ImplicationChecksByTransitivity, 22.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3125occurred 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, 1231 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 96 PreInvPairs, 158 NumberOfFragments, 317 HoareAnnotationTreeSize, 96 FomulaSimplifications, 31580 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11766 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 2677 NumberOfCodeBlocks, 2677 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2665 ConstructedInterpolants, 6 QuantifiedInterpolants, 3714787 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1348 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 1816/2169 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...