./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/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 16d1e07abe3d8baa61b9a8d494202a7664f873bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:36:41,506 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:36:41,507 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:36:41,516 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:36:41,516 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:36:41,517 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:36:41,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:36:41,519 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:36:41,520 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:36:41,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:36:41,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:36:41,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:36:41,522 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:36:41,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:36:41,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:36:41,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:36:41,524 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:36:41,526 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:36:41,527 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:36:41,528 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:36:41,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:36:41,529 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:36:41,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:36:41,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:36:41,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:36:41,532 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:36:41,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:36:41,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:36:41,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:36:41,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:36:41,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:36:41,536 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:36:41,536 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:36:41,536 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:36:41,537 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:36:41,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:36:41,538 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:36:41,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:36:41,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:36:41,548 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:36:41,548 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:36:41,548 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:36:41,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:36:41,548 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:36:41,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:36:41,549 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:36:41,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:36:41,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:36:41,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:36:41,550 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_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-11-28 11:36:41,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:36:41,581 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:36:41,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:36:41,584 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:36:41,585 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:36:41,585 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-28 11:36:41,622 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/data/e135898bc/3cfd7032a9564c87b55138f94f54ff5d/FLAG854f908a4 [2018-11-28 11:36:42,064 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:36:42,064 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-11-28 11:36:42,073 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/data/e135898bc/3cfd7032a9564c87b55138f94f54ff5d/FLAG854f908a4 [2018-11-28 11:36:42,085 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/data/e135898bc/3cfd7032a9564c87b55138f94f54ff5d [2018-11-28 11:36:42,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:36:42,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:36:42,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:36:42,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:36:42,092 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:36:42,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e18d172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42, skipping insertion in model container [2018-11-28 11:36:42,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:36:42,134 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:36:42,366 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:36:42,370 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:36:42,494 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:36:42,504 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:36:42,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42 WrapperNode [2018-11-28 11:36:42,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:36:42,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:36:42,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:36:42,505 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:36:42,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:36:42,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:36:42,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:36:42,529 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:36:42,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... [2018-11-28 11:36:42,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:36:42,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:36:42,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:36:42,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:36:42,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/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 [2018-11-28 11:36:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:36:42,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:36:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 11:36:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 11:36:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:36:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:36:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:36:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:36:43,306 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:36:43,306 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:36:43,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:36:43 BoogieIcfgContainer [2018-11-28 11:36:43,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:36:43,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:36:43,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:36:43,309 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:36:43,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:36:42" (1/3) ... [2018-11-28 11:36:43,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d42d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:36:43, skipping insertion in model container [2018-11-28 11:36:43,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:36:42" (2/3) ... [2018-11-28 11:36:43,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d42d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:36:43, skipping insertion in model container [2018-11-28 11:36:43,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:36:43" (3/3) ... [2018-11-28 11:36:43,311 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label08_true-unreach-call_false-termination.c [2018-11-28 11:36:43,317 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:36:43,323 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:36:43,333 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:36:43,357 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:36:43,357 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:36:43,357 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:36:43,358 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:36:43,358 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:36:43,358 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:36:43,358 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:36:43,358 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:36:43,358 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:36:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 11:36:43,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-28 11:36:43,383 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:43,384 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:43,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:43,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:43,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2018-11-28 11:36:43,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:43,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:43,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:43,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:43,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:43,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:43,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:36:43,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:36:43,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:36:43,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:36:43,697 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 11:36:44,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:44,272 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 11:36:44,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:36:44,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2018-11-28 11:36:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:44,283 INFO L225 Difference]: With dead ends: 547 [2018-11-28 11:36:44,283 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 11:36:44,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:36:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 11:36:44,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 11:36:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 11:36:44,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-11-28 11:36:44,329 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 119 [2018-11-28 11:36:44,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:44,330 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-11-28 11:36:44,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:36:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-11-28 11:36:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-28 11:36:44,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:44,334 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:44,335 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:44,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:44,336 INFO L82 PathProgramCache]: Analyzing trace with hash 10659704, now seen corresponding path program 1 times [2018-11-28 11:36:44,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:44,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:44,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:44,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:44,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:44,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:44,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:36:44,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:36:44,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:36:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:36:44,455 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-11-28 11:36:44,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:44,923 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-11-28 11:36:44,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:36:44,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-11-28 11:36:44,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:44,928 INFO L225 Difference]: With dead ends: 840 [2018-11-28 11:36:44,928 INFO L226 Difference]: Without dead ends: 568 [2018-11-28 11:36:44,929 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 [2018-11-28 11:36:44,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-11-28 11:36:44,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-11-28 11:36:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-11-28 11:36:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2018-11-28 11:36:44,957 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 129 [2018-11-28 11:36:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:44,957 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2018-11-28 11:36:44,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:36:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2018-11-28 11:36:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-28 11:36:44,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:44,960 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:44,960 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:44,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:44,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1525536778, now seen corresponding path program 1 times [2018-11-28 11:36:44,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:44,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:44,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:44,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:44,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:45,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:45,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:36:45,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:36:45,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:36:45,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:36:45,155 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 5 states. [2018-11-28 11:36:45,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:45,470 INFO L93 Difference]: Finished difference Result 1205 states and 1730 transitions. [2018-11-28 11:36:45,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:36:45,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-11-28 11:36:45,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:45,473 INFO L225 Difference]: With dead ends: 1205 [2018-11-28 11:36:45,473 INFO L226 Difference]: Without dead ends: 554 [2018-11-28 11:36:45,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:36:45,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-28 11:36:45,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-11-28 11:36:45,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-28 11:36:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 712 transitions. [2018-11-28 11:36:45,491 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 712 transitions. Word has length 130 [2018-11-28 11:36:45,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:45,492 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 712 transitions. [2018-11-28 11:36:45,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:36:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 712 transitions. [2018-11-28 11:36:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-28 11:36:45,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:45,494 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:45,494 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:45,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:45,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1052025540, now seen corresponding path program 1 times [2018-11-28 11:36:45,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:45,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:45,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:45,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:45,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:45,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:45,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:36:45,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:36:45,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:36:45,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:36:45,713 INFO L87 Difference]: Start difference. First operand 554 states and 712 transitions. Second operand 5 states. [2018-11-28 11:36:46,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:46,039 INFO L93 Difference]: Finished difference Result 1184 states and 1552 transitions. [2018-11-28 11:36:46,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:36:46,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-28 11:36:46,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:46,042 INFO L225 Difference]: With dead ends: 1184 [2018-11-28 11:36:46,042 INFO L226 Difference]: Without dead ends: 554 [2018-11-28 11:36:46,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:36:46,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-28 11:36:46,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-11-28 11:36:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-28 11:36:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 708 transitions. [2018-11-28 11:36:46,059 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 708 transitions. Word has length 131 [2018-11-28 11:36:46,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:46,059 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 708 transitions. [2018-11-28 11:36:46,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:36:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 708 transitions. [2018-11-28 11:36:46,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-28 11:36:46,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:46,061 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:46,061 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:46,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:46,062 INFO L82 PathProgramCache]: Analyzing trace with hash -866015874, now seen corresponding path program 1 times [2018-11-28 11:36:46,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:46,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:46,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:46,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:46,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:46,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:36:46,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:36:46,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:36:46,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:36:46,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:36:46,147 INFO L87 Difference]: Start difference. First operand 554 states and 708 transitions. Second operand 3 states. [2018-11-28 11:36:46,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:46,521 INFO L93 Difference]: Finished difference Result 1509 states and 1954 transitions. [2018-11-28 11:36:46,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:36:46,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-11-28 11:36:46,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:46,526 INFO L225 Difference]: With dead ends: 1509 [2018-11-28 11:36:46,527 INFO L226 Difference]: Without dead ends: 961 [2018-11-28 11:36:46,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:36:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2018-11-28 11:36:46,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 959. [2018-11-28 11:36:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2018-11-28 11:36:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1180 transitions. [2018-11-28 11:36:46,555 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1180 transitions. Word has length 134 [2018-11-28 11:36:46,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:46,556 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1180 transitions. [2018-11-28 11:36:46,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:36:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1180 transitions. [2018-11-28 11:36:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-28 11:36:46,559 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:46,559 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:46,559 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:46,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:46,560 INFO L82 PathProgramCache]: Analyzing trace with hash -494413009, now seen corresponding path program 1 times [2018-11-28 11:36:46,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:46,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:46,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:46,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:46,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:46,690 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:46,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:36:46,690 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/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 [2018-11-28 11:36:46,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:46,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:36:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 11:36:46,872 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:36:46,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 11:36:46,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:36:46,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:36:46,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:36:46,873 INFO L87 Difference]: Start difference. First operand 959 states and 1180 transitions. Second operand 8 states. [2018-11-28 11:36:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:48,218 INFO L93 Difference]: Finished difference Result 2965 states and 3999 transitions. [2018-11-28 11:36:48,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 11:36:48,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-11-28 11:36:48,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:48,225 INFO L225 Difference]: With dead ends: 2965 [2018-11-28 11:36:48,225 INFO L226 Difference]: Without dead ends: 2012 [2018-11-28 11:36:48,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-28 11:36:48,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2018-11-28 11:36:48,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1275. [2018-11-28 11:36:48,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2018-11-28 11:36:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1568 transitions. [2018-11-28 11:36:48,265 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1568 transitions. Word has length 165 [2018-11-28 11:36:48,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:48,266 INFO L480 AbstractCegarLoop]: Abstraction has 1275 states and 1568 transitions. [2018-11-28 11:36:48,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:36:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1568 transitions. [2018-11-28 11:36:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-28 11:36:48,269 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:48,269 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:48,269 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:48,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:48,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1777312675, now seen corresponding path program 1 times [2018-11-28 11:36:48,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:48,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:48,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:48,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:48,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:36:48,376 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:36:48,376 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/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 [2018-11-28 11:36:48,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:48,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:36:48,476 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 11:36:48,492 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:36:48,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-28 11:36:48,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:36:48,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:36:48,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:36:48,493 INFO L87 Difference]: Start difference. First operand 1275 states and 1568 transitions. Second operand 8 states. [2018-11-28 11:36:49,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:49,201 INFO L93 Difference]: Finished difference Result 4276 states and 5530 transitions. [2018-11-28 11:36:49,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 11:36:49,202 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2018-11-28 11:36:49,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:49,210 INFO L225 Difference]: With dead ends: 4276 [2018-11-28 11:36:49,210 INFO L226 Difference]: Without dead ends: 3007 [2018-11-28 11:36:49,213 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2018-11-28 11:36:49,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3007 states. [2018-11-28 11:36:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3007 to 2558. [2018-11-28 11:36:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2558 states. [2018-11-28 11:36:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 2558 states and 3124 transitions. [2018-11-28 11:36:49,286 INFO L78 Accepts]: Start accepts. Automaton has 2558 states and 3124 transitions. Word has length 185 [2018-11-28 11:36:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:49,286 INFO L480 AbstractCegarLoop]: Abstraction has 2558 states and 3124 transitions. [2018-11-28 11:36:49,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:36:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 3124 transitions. [2018-11-28 11:36:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-28 11:36:49,292 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:36:49,292 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:36:49,292 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:36:49,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:36:49,293 INFO L82 PathProgramCache]: Analyzing trace with hash -168440494, now seen corresponding path program 1 times [2018-11-28 11:36:49,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:36:49,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:36:49,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:49,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:49,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:36:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 139 proven. 69 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-28 11:36:49,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:36:49,415 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/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 [2018-11-28 11:36:49,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:36:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:36:49,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:36:49,540 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-28 11:36:49,555 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 11:36:49,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2018-11-28 11:36:49,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 11:36:49,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 11:36:49,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-28 11:36:49,557 INFO L87 Difference]: Start difference. First operand 2558 states and 3124 transitions. Second operand 11 states. [2018-11-28 11:36:50,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:36:50,496 INFO L93 Difference]: Finished difference Result 4159 states and 5077 transitions. [2018-11-28 11:36:50,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 11:36:50,503 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2018-11-28 11:36:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:36:50,503 INFO L225 Difference]: With dead ends: 4159 [2018-11-28 11:36:50,503 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:36:50,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2018-11-28 11:36:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:36:50,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:36:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:36:50,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:36:50,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2018-11-28 11:36:50,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:36:50,508 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:36:50,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 11:36:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:36:50,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:36:50,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:36:50,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:50,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:36:51,044 WARN L180 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 75 [2018-11-28 11:36:51,196 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-11-28 11:36:51,323 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2018-11-28 11:36:51,325 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:36:51,325 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-28 11:36:51,325 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:36:51,325 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 11:36:51,325 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 11:36:51,325 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,325 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,325 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 11:36:51,326 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 11:36:51,327 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,328 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 11:36:51,329 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,330 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,331 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 11:36:51,332 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,333 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 11:36:51,334 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse24 (= 1 |old(~a7~0)|)) (.cse13 (= 1 ~a7~0)) (.cse6 (not (= ~a8~0 13))) (.cse0 (= 13 |old(~a8~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a21~0 |old(~a21~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse5 (= ~a20~0 |old(~a20~0)|))) (let ((.cse9 (= 6 |old(~a16~0)|)) (.cse8 (< 0 |old(~a7~0)|)) (.cse12 (and .cse1 .cse2 .cse3 .cse4 .cse5)) (.cse16 (not (= 1 |old(~a21~0)|))) (.cse17 (not (= 4 |old(~a16~0)|))) (.cse18 (= 1 ~a20~0)) (.cse19 (= 13 ~a8~0)) (.cse20 (= 1 ~a21~0)) (.cse21 (= 1 ~a17~0)) (.cse22 (not .cse0)) (.cse23 (not (= 1 |old(~a17~0)|))) (.cse15 (not (= 1 |old(~a20~0)|))) (.cse7 (not (= 8 ~a12~0))) (.cse11 (and .cse13 .cse2 .cse3 .cse4 .cse5 .cse6)) (.cse10 (not .cse24))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8) (or .cse9 .cse0 .cse7 .cse10 .cse11) (or .cse12 (or .cse9 .cse7 .cse8)) (or (and .cse13 (and .cse2 .cse3 .cse4) .cse5) .cse10 (let ((.cse14 (< 0 |old(~a21~0)|))) (and (or .cse9 .cse7 .cse14) (or .cse15 .cse7 .cse14)))) (or (or .cse8 (or .cse15 .cse7)) .cse12) (or .cse16 .cse15 .cse17 (and .cse13 .cse18 .cse19 .cse4 .cse20 .cse21) .cse7 .cse10 .cse22 .cse23) (or .cse16 .cse24 .cse15 .cse17 .cse7 (and (not (= ~a7~0 1)) .cse18 .cse19 .cse4 .cse20 .cse21) .cse22 .cse23) (or (or .cse15 .cse0 .cse7) .cse11 .cse10)))) [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 11:36:51,335 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 11:36:51,336 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 11:36:51,337 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 11:36:51,338 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 11:36:51,339 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 11:36:51,339 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 11:36:51,339 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 11:36:51,339 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:36:51,339 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (not (= ~a16~0 6)) (= ~a12~0 8) (<= ~a7~0 0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-28 11:36:51,339 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:36:51,339 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:36:51,339 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (and (= |old(~a16~0)| ~a16~0) (not (= ~a8~0 13)) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|)) (not (= 8 ~a12~0)) (< 0 |old(~a7~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-28 11:36:51,339 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 11:36:51,339 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 6))) (.cse1 (<= ~a7~0 0)) (.cse2 (= 1 ~a7~0)) (.cse4 (= 1 ~a20~0)) (.cse0 (not (= ~a8~0 13)))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1) (and .cse2 (let ((.cse3 (<= ~a21~0 0))) (or (and .cse3 .cse4) (and .cse3 .cse5)))) (and .cse4 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (= 13 |old(~a8~0)|) (and .cse4 .cse1) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse5 .cse0) (and .cse5 .cse1) (and .cse2 .cse4 .cse0) (< 0 |old(~a7~0)|))) [2018-11-28 11:36:51,339 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 11:36:51,340 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 11:36:51,340 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (not (= ~a16~0 6))) (.cse1 (<= ~a7~0 0)) (.cse2 (= 1 ~a7~0)) (.cse4 (= 1 ~a20~0)) (.cse0 (not (= ~a8~0 13)))) (or (= 6 |old(~a16~0)|) (and .cse0 .cse1) (and .cse2 (let ((.cse3 (<= ~a21~0 0))) (or (and .cse3 .cse4) (and .cse3 .cse5)))) (and .cse4 (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) (= 1 ~a17~0)) (= 13 |old(~a8~0)|) (and .cse4 .cse1) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse5 .cse0) (and .cse5 .cse1) (and .cse2 .cse4 .cse0) (< 0 |old(~a7~0)|))) [2018-11-28 11:36:51,340 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 11:36:51,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:36:51 BoogieIcfgContainer [2018-11-28 11:36:51,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:36:51,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:36:51,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:36:51,357 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:36:51,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:36:43" (3/4) ... [2018-11-28 11:36:51,360 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:36:51,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:36:51,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 11:36:51,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:36:51,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 11:36:51,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 11:36:51,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((6 == \old(a16) || (!(a8 == 13) && a7 <= 0)) || (1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6))))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || 13 == \old(a8)) || (1 == a20 && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a17))) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || ((1 == a7 && 1 == a20) && !(a8 == 13))) || 0 < \old(a7) [2018-11-28 11:36:51,465 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe92e60a-4a47-4604-a2bc-7ceb5332ca94/bin-2019/uautomizer/witness.graphml [2018-11-28 11:36:51,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:36:51,466 INFO L168 Benchmark]: Toolchain (without parser) took 9377.79 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.6 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -275.2 MB). Peak memory consumption was 137.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:51,467 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:36:51,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:51,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:51,468 INFO L168 Benchmark]: Boogie Preprocessor took 47.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:51,468 INFO L168 Benchmark]: RCFGBuilder took 729.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.0 MB). Peak memory consumption was 109.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:51,468 INFO L168 Benchmark]: TraceAbstraction took 8049.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -220.6 MB). Peak memory consumption was 469.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:51,468 INFO L168 Benchmark]: Witness Printer took 108.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:36:51,470 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 984.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 729.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.0 MB). Peak memory consumption was 109.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8049.53 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -220.6 MB). Peak memory consumption was 469.5 MB. Max. memory is 11.5 GB. * Witness Printer took 108.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((6 == \old(a16) || (!(a8 == 13) && a7 <= 0)) || (1 == a7 && ((a21 <= 0 && 1 == a20) || (a21 <= 0 && !(a16 == 6))))) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || 13 == \old(a8)) || (1 == a20 && a7 <= 0)) || !(8 == a12)) || !(1 == \old(a17))) || !(1 == \old(a20))) || ((1 == a7 && !(a16 == 6)) && !(a8 == 13))) || (!(a16 == 6) && a7 <= 0)) || ((1 == a7 && 1 == a20) && !(a8 == 13))) || 0 < \old(a7) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 7.9s OverallTime, 8 OverallIterations, 6 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 257 SDtfs, 4351 SDslu, 400 SDs, 0 SdLazy, 5878 SolverSat, 1030 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 711 GetRequests, 625 SyntacticMatches, 9 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2558occurred in iteration=7, 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, 8 MinimizatonAttempts, 1200 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 75 PreInvPairs, 115 NumberOfFragments, 600 HoareAnnotationTreeSize, 75 FomulaSimplifications, 5807 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1182 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1821 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1810 ConstructedInterpolants, 0 QuantifiedInterpolants, 1220905 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1594 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 606/762 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...