./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/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 d50ba566f02e5109971f6a90ba216a95432a7661 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:55:50,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:55:50,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:55:50,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:55:50,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:55:50,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:55:50,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:55:50,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:55:50,163 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:55:50,167 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:55:50,167 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:55:50,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:55:50,168 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:55:50,168 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:55:50,169 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:55:50,170 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:55:50,171 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:55:50,172 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:55:50,172 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:55:50,173 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:55:50,174 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:55:50,174 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:55:50,176 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:55:50,176 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:55:50,176 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:55:50,177 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:55:50,178 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:55:50,179 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:55:50,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:55:50,181 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:55:50,181 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:55:50,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:55:50,181 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:55:50,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:55:50,183 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:55:50,184 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:55:50,184 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 14:55:50,194 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:55:50,194 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:55:50,195 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:55:50,195 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 14:55:50,195 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:55:50,196 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:55:50,196 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:55:50,197 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:55:50,197 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:55:50,197 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:55:50,198 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:55:50,198 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:55:50,199 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:55:50,199 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:55:50,200 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:55:50,200 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_b4399107-44d8-4b93-94d4-76e164f7c2e1/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 -> d50ba566f02e5109971f6a90ba216a95432a7661 [2018-11-18 14:55:50,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:55:50,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:55:50,234 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:55:50,235 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:55:50,235 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:55:50,235 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-18 14:55:50,277 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/data/c20e8cb9d/f7151f4cbb204a8d80402281ef38e734/FLAG3c7bc8049 [2018-11-18 14:55:50,737 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:55:50,750 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-18 14:55:50,766 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/data/c20e8cb9d/f7151f4cbb204a8d80402281ef38e734/FLAG3c7bc8049 [2018-11-18 14:55:51,046 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/data/c20e8cb9d/f7151f4cbb204a8d80402281ef38e734 [2018-11-18 14:55:51,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:55:51,050 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:55:51,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:55:51,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:55:51,054 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:55:51,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a27ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51, skipping insertion in model container [2018-11-18 14:55:51,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:55:51,116 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:55:51,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:55:51,428 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:55:51,515 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:55:51,533 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:55:51,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51 WrapperNode [2018-11-18 14:55:51,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:55:51,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:55:51,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:55:51,537 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:55:51,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... [2018-11-18 14:55:51,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:55:51,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:55:51,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:55:51,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:55:51,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/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 [2018-11-18 14:55:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:55:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:55:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:55:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:55:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:55:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:55:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 14:55:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:55:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:55:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:55:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:55:53,745 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:55:53,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:55:53 BoogieIcfgContainer [2018-11-18 14:55:53,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:55:53,747 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:55:53,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:55:53,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:55:53,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:55:51" (1/3) ... [2018-11-18 14:55:53,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d09bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:55:53, skipping insertion in model container [2018-11-18 14:55:53,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:55:51" (2/3) ... [2018-11-18 14:55:53,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d09bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:55:53, skipping insertion in model container [2018-11-18 14:55:53,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:55:53" (3/3) ... [2018-11-18 14:55:53,752 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label14_true-unreach-call_false-termination.c [2018-11-18 14:55:53,758 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:55:53,765 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:55:53,781 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:55:53,812 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:55:53,813 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:55:53,813 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:55:53,813 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:55:53,813 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:55:53,813 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:55:53,814 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:55:53,814 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:55:53,814 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:55:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 14:55:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 14:55:53,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:55:53,844 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:55:53,846 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:55:53,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:55:53,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1783775568, now seen corresponding path program 1 times [2018-11-18 14:55:53,852 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:55:53,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:55:53,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:53,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:55:53,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:55:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:55:54,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:55:54,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:55:54,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:55:54,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:55:54,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:55:54,345 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 14:55:55,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:55:55,042 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 14:55:55,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:55:55,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-11-18 14:55:55,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:55:55,056 INFO L225 Difference]: With dead ends: 550 [2018-11-18 14:55:55,056 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 14:55:55,060 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:55:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 14:55:55,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 14:55:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 14:55:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-18 14:55:55,106 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 138 [2018-11-18 14:55:55,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:55:55,107 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-18 14:55:55,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:55:55,107 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-18 14:55:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 14:55:55,112 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:55:55,113 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:55:55,113 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:55:55,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:55:55,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1808650351, now seen corresponding path program 1 times [2018-11-18 14:55:55,113 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:55:55,113 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:55:55,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:55,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:55:55,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:55:55,455 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 14:55:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:55:55,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:55:55,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:55:55,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:55:55,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:55:55,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:55:55,497 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-18 14:55:56,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:55:56,964 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-18 14:55:56,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:55:56,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-18 14:55:56,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:55:56,972 INFO L225 Difference]: With dead ends: 1075 [2018-11-18 14:55:56,972 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 14:55:56,974 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:55:56,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 14:55:57,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-18 14:55:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-18 14:55:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-18 14:55:57,018 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 149 [2018-11-18 14:55:57,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:55:57,018 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-18 14:55:57,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:55:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-18 14:55:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:55:57,025 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:55:57,025 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:55:57,025 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:55:57,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:55:57,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2122506691, now seen corresponding path program 1 times [2018-11-18 14:55:57,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:55:57,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:55:57,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:57,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:55:57,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:55:57,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:55:57,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:55:57,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:55:57,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:55:57,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:55:57,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:55:57,322 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-18 14:55:58,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:55:58,786 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-18 14:55:58,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:55:58,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-18 14:55:58,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:55:58,807 INFO L225 Difference]: With dead ends: 1578 [2018-11-18 14:55:58,808 INFO L226 Difference]: Without dead ends: 721 [2018-11-18 14:55:58,816 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:55:58,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-18 14:55:58,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-18 14:55:58,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-18 14:55:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-18 14:55:58,858 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 150 [2018-11-18 14:55:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:55:58,859 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-18 14:55:58,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:55:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-18 14:55:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 14:55:58,864 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:55:58,865 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:55:58,866 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:55:58,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:55:58,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1419468101, now seen corresponding path program 1 times [2018-11-18 14:55:58,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:55:58,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:55:58,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:58,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:55:58,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:55:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:55:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:55:59,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:55:59,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:55:59,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:55:59,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:55:59,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:55:59,044 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-18 14:56:00,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:56:00,346 INFO L93 Difference]: Finished difference Result 2069 states and 3084 transitions. [2018-11-18 14:56:00,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:56:00,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-18 14:56:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:56:00,353 INFO L225 Difference]: With dead ends: 2069 [2018-11-18 14:56:00,354 INFO L226 Difference]: Without dead ends: 1354 [2018-11-18 14:56:00,355 INFO L604 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 [2018-11-18 14:56:00,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-11-18 14:56:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1347. [2018-11-18 14:56:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-18 14:56:00,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1892 transitions. [2018-11-18 14:56:00,380 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1892 transitions. Word has length 154 [2018-11-18 14:56:00,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:56:00,381 INFO L480 AbstractCegarLoop]: Abstraction has 1347 states and 1892 transitions. [2018-11-18 14:56:00,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:56:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1892 transitions. [2018-11-18 14:56:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 14:56:00,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:56:00,386 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:56:00,386 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:56:00,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:56:00,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1446107199, now seen corresponding path program 1 times [2018-11-18 14:56:00,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:56:00,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:56:00,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:00,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:56:00,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:56:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:56:00,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:56:00,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:56:00,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:56:00,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:56:00,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:56:00,527 INFO L87 Difference]: Start difference. First operand 1347 states and 1892 transitions. Second operand 4 states. [2018-11-18 14:56:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:56:01,239 INFO L93 Difference]: Finished difference Result 3232 states and 4626 transitions. [2018-11-18 14:56:01,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:56:01,240 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-11-18 14:56:01,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:56:01,247 INFO L225 Difference]: With dead ends: 3232 [2018-11-18 14:56:01,247 INFO L226 Difference]: Without dead ends: 1891 [2018-11-18 14:56:01,250 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:56:01,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-18 14:56:01,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1891. [2018-11-18 14:56:01,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2018-11-18 14:56:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2551 transitions. [2018-11-18 14:56:01,289 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2551 transitions. Word has length 173 [2018-11-18 14:56:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:56:01,290 INFO L480 AbstractCegarLoop]: Abstraction has 1891 states and 2551 transitions. [2018-11-18 14:56:01,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:56:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2551 transitions. [2018-11-18 14:56:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 14:56:01,297 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:56:01,297 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2018-11-18 14:56:01,298 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:56:01,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:56:01,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1915591307, now seen corresponding path program 1 times [2018-11-18 14:56:01,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:56:01,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:56:01,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:01,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:56:01,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:56:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 14:56:01,494 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:56:01,494 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/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 [2018-11-18 14:56:01,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:56:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:56:01,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:56:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 14:56:01,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:56:01,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-18 14:56:01,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:56:01,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:56:01,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:56:01,797 INFO L87 Difference]: Start difference. First operand 1891 states and 2551 transitions. Second operand 7 states. [2018-11-18 14:56:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:56:03,629 INFO L93 Difference]: Finished difference Result 6566 states and 9095 transitions. [2018-11-18 14:56:03,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:56:03,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2018-11-18 14:56:03,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:56:03,648 INFO L225 Difference]: With dead ends: 6566 [2018-11-18 14:56:03,648 INFO L226 Difference]: Without dead ends: 4681 [2018-11-18 14:56:03,657 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:56:03,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-11-18 14:56:03,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 4648. [2018-11-18 14:56:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4648 states. [2018-11-18 14:56:03,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 5998 transitions. [2018-11-18 14:56:03,772 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 5998 transitions. Word has length 200 [2018-11-18 14:56:03,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:56:03,772 INFO L480 AbstractCegarLoop]: Abstraction has 4648 states and 5998 transitions. [2018-11-18 14:56:03,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:56:03,772 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 5998 transitions. [2018-11-18 14:56:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-18 14:56:03,790 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:56:03,792 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:56:03,793 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:56:03,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:56:03,793 INFO L82 PathProgramCache]: Analyzing trace with hash -136311855, now seen corresponding path program 1 times [2018-11-18 14:56:03,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:56:03,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:56:03,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:03,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:56:03,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:56:04,030 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 14:56:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 90 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 14:56:04,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:56:04,374 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/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 [2018-11-18 14:56:04,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:56:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:56:04,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:56:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 90 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 14:56:04,622 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:56:04,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-18 14:56:04,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:56:04,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:56:04,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:56:04,623 INFO L87 Difference]: Start difference. First operand 4648 states and 5998 transitions. Second operand 8 states. [2018-11-18 14:56:06,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:56:06,743 INFO L93 Difference]: Finished difference Result 10329 states and 13741 transitions. [2018-11-18 14:56:06,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 14:56:06,744 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2018-11-18 14:56:06,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:56:06,768 INFO L225 Difference]: With dead ends: 10329 [2018-11-18 14:56:06,768 INFO L226 Difference]: Without dead ends: 5687 [2018-11-18 14:56:06,778 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2018-11-18 14:56:06,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2018-11-18 14:56:06,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5279. [2018-11-18 14:56:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5279 states. [2018-11-18 14:56:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 6577 transitions. [2018-11-18 14:56:06,875 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 6577 transitions. Word has length 218 [2018-11-18 14:56:06,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:56:06,875 INFO L480 AbstractCegarLoop]: Abstraction has 5279 states and 6577 transitions. [2018-11-18 14:56:06,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:56:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 6577 transitions. [2018-11-18 14:56:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 14:56:06,890 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:56:06,890 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 14:56:06,891 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:56:06,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:56:06,891 INFO L82 PathProgramCache]: Analyzing trace with hash -2124749088, now seen corresponding path program 1 times [2018-11-18 14:56:06,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:56:06,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:56:06,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:06,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:56:06,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:56:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:56:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 14:56:07,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:56:07,161 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/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 [2018-11-18 14:56:07,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:56:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:56:07,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:56:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 14:56:07,387 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:56:07,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-18 14:56:07,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:56:07,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:56:07,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:56:07,389 INFO L87 Difference]: Start difference. First operand 5279 states and 6577 transitions. Second operand 9 states. [2018-11-18 14:56:08,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:56:08,958 INFO L93 Difference]: Finished difference Result 9377 states and 11604 transitions. [2018-11-18 14:56:08,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 14:56:08,960 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 319 [2018-11-18 14:56:08,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:56:08,960 INFO L225 Difference]: With dead ends: 9377 [2018-11-18 14:56:08,960 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:56:08,978 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2018-11-18 14:56:08,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:56:08,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:56:08,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:56:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:56:08,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 319 [2018-11-18 14:56:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:56:08,979 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:56:08,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:56:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:56:08,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:56:08,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:56:09,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:56:09,375 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2018-11-18 14:56:10,233 WARN L180 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2018-11-18 14:56:10,839 WARN L180 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2018-11-18 14:56:11,143 WARN L180 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2018-11-18 14:56:11,145 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:56:11,145 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (<= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 14:56:11,145 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:56:11,145 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 14:56:11,145 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 14:56:11,145 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 14:56:11,146 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 14:56:11,147 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 14:56:11,148 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 14:56:11,149 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 14:56:11,150 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 14:56:11,151 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 14:56:11,152 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 14:56:11,153 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 14:56:11,154 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (<= ~a17~0 |old(~a17~0)|)) (.cse14 (= ~a7~0 |old(~a7~0)|)) (.cse19 (= |old(~a16~0)| ~a16~0)) (.cse16 (= ~a20~0 |old(~a20~0)|)) (.cse18 (= ~a21~0 |old(~a21~0)|)) (.cse10 (= 1 ~a17~0))) (let ((.cse9 (= 6 |old(~a16~0)|)) (.cse2 (and .cse14 .cse19 .cse16 .cse18 .cse10)) (.cse11 (< 0 |old(~a21~0)|)) (.cse17 (= 5 ~a16~0)) (.cse13 (not (= 5 |old(~a16~0)|))) (.cse3 (not (= 1 |old(~a20~0)|))) (.cse8 (not (= 4 |old(~a16~0)|))) (.cse5 (not (= 1 |old(~a17~0)|))) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 1 |old(~a7~0)|)) (.cse4 (not (= 8 ~a12~0))) (.cse6 (< 0 |old(~a17~0)|)) (.cse7 (and .cse14 .cse15 .cse19 .cse16 .cse18)) (.cse12 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse6 .cse7) (or .cse0 .cse1 .cse7 .cse8 .cse4 .cse6) (or .cse9 .cse10 .cse4 .cse11 .cse12 .cse5) (or .cse0 .cse13 .cse4 .cse6 (and .cse14 .cse15 .cse16 .cse17 .cse18)) (or (and .cse15 (and .cse14 .cse19 .cse16) .cse18) (or .cse4 .cse11)) (or .cse0 .cse1 .cse8 .cse4 .cse2 .cse5) (or .cse9 .cse0 .cse7 .cse4 .cse6 .cse12) (or .cse0 .cse1 .cse4 .cse2 .cse12 .cse5) (or .cse13 .cse4 .cse11 .cse10 .cse5) (or .cse0 .cse1 (and .cse14 .cse16 .cse17 .cse18 .cse10) .cse13 .cse4 .cse5) (or .cse0 .cse3 .cse8 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse19 (= 1 ~a21~0) .cse10) .cse4 (not .cse1) (not (= 13 |old(~a8~0)|)) .cse5) (or .cse0 .cse1 .cse4 .cse6 .cse7 .cse12)))) [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 14:56:11,155 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,156 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 14:56:11,157 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (= 1 ~a20~0) (= 1 ~a21~0) (= ~a12~0 8) (= 5 ~a16~0) (= 1 ~a17~0)) [2018-11-18 14:56:11,158 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (and (= 1 ~a17~0) (= ~a7~0 |old(~a7~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= 5 ~a16~0)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= 4 ~a16~0)) (.cse4 (= 1 ~a20~0)) (.cse6 (<= ~a17~0 0)) (.cse2 (<= ~a20~0 0)) (.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a21~0)) (.cse7 (= 5 ~a16~0)) (.cse3 (= 1 ~a17~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= 13 ~a8~0) .cse5 .cse1 .cse3) (not (= 8 ~a12~0)) (and .cse0 .cse5 .cse1 .cse6) (and .cse0 .cse4 .cse1 .cse3) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse6 .cse7) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse4 .cse6 (= ~a21~0 |old(~a21~0)|)) (<= ~a21~0 0) (not (= 1 |old(~a17~0)|)) (and (not (= ~a16~0 6)) .cse1 .cse6 .cse2) (and .cse0 .cse1 .cse7 .cse3))) [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 14:56:11,158 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 14:56:11,159 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse5 (= 4 ~a16~0)) (.cse4 (= 1 ~a20~0)) (.cse6 (<= ~a17~0 0)) (.cse2 (<= ~a20~0 0)) (.cse0 (not (= ~a7~0 1))) (.cse1 (= 1 ~a21~0)) (.cse7 (= 5 ~a16~0)) (.cse3 (= 1 ~a17~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= 13 ~a8~0) .cse5 .cse1 .cse3) (not (= 8 ~a12~0)) (and .cse0 .cse5 .cse1 .cse6) (and .cse0 .cse4 .cse1 .cse3) (= 1 |old(~a7~0)|) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse6 .cse7) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse5 .cse1 .cse3) (and .cse0 .cse1 .cse6 .cse2) (and .cse0 .cse4 .cse6 (= ~a21~0 |old(~a21~0)|)) (<= ~a21~0 0) (not (= 1 |old(~a17~0)|)) (and (not (= ~a16~0 6)) .cse1 .cse6 .cse2) (and .cse0 .cse1 .cse7 .cse3))) [2018-11-18 14:56:11,159 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 14:56:11,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:56:11 BoogieIcfgContainer [2018-11-18 14:56:11,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:56:11,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:56:11,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:56:11,176 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:56:11,176 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:55:53" (3/4) ... [2018-11-18 14:56:11,185 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:56:11,190 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:56:11,191 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:56:11,192 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:56:11,205 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:56:11,206 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:56:11,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(1 == \old(a21)) || (((!(a7 == 1) && 1 == a21) && a20 <= 0) && 1 == a17)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || (((!(a7 == 1) && 4 == a16) && 1 == a21) && a17 <= 0)) || (((!(a7 == 1) && 1 == a20) && 1 == a21) && 1 == a17)) || 1 == \old(a7)) || !(1 == \old(a20))) || ((1 == a21 && a17 <= 0) && 5 == a16)) || !(5 == \old(a16))) || (((!(a7 == 1) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && 1 == a21) && a17 <= 0) && a20 <= 0)) || (((!(a7 == 1) && 1 == a20) && a17 <= 0) && a21 == \old(a21))) || a21 <= 0) || !(1 == \old(a17))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || (((!(a7 == 1) && 1 == a21) && 5 == a16) && 1 == a17) [2018-11-18 14:56:11,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4399107-44d8-4b93-94d4-76e164f7c2e1/bin-2019/uautomizer/witness.graphml [2018-11-18 14:56:11,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:56:11,347 INFO L168 Benchmark]: Toolchain (without parser) took 20297.84 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 513.8 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -193.6 MB). Peak memory consumption was 320.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:56:11,348 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:56:11,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 485.25 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 918.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:56:11,348 INFO L168 Benchmark]: Boogie Preprocessor took 129.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 918.2 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:56:11,349 INFO L168 Benchmark]: RCFGBuilder took 2080.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:56:11,349 INFO L168 Benchmark]: TraceAbstraction took 17428.55 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 407.4 MB). Free memory was 993.8 MB in the beginning and 1.2 GB in the end (delta: -164.8 MB). Peak memory consumption was 507.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:56:11,349 INFO L168 Benchmark]: Witness Printer took 171.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:56:11,353 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 485.25 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 918.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 918.2 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2080.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 993.8 MB in the end (delta: 99.7 MB). Peak memory consumption was 99.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17428.55 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 407.4 MB). Free memory was 993.8 MB in the beginning and 1.2 GB in the end (delta: -164.8 MB). Peak memory consumption was 507.0 MB. Max. memory is 11.5 GB. * Witness Printer took 171.38 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 569]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == \old(a21)) || (((!(a7 == 1) && 1 == a21) && a20 <= 0) && 1 == a17)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || !(8 == a12)) || (((!(a7 == 1) && 4 == a16) && 1 == a21) && a17 <= 0)) || (((!(a7 == 1) && 1 == a20) && 1 == a21) && 1 == a17)) || 1 == \old(a7)) || !(1 == \old(a20))) || ((1 == a21 && a17 <= 0) && 5 == a16)) || !(5 == \old(a16))) || (((!(a7 == 1) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && 1 == a21) && a17 <= 0) && a20 <= 0)) || (((!(a7 == 1) && 1 == a20) && a17 <= 0) && a21 == \old(a21))) || a21 <= 0) || !(1 == \old(a17))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || (((!(a7 == 1) && 1 == a21) && 5 == a16) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 17.3s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 11.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 831 SDtfs, 4840 SDslu, 1021 SDs, 0 SdLazy, 8025 SolverSat, 1595 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 865 GetRequests, 785 SyntacticMatches, 6 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5279occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 465 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 146 PreInvPairs, 246 NumberOfFragments, 847 HoareAnnotationTreeSize, 146 FomulaSimplifications, 12252 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2805 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2238 NumberOfCodeBlocks, 2238 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2227 ConstructedInterpolants, 0 QuantifiedInterpolants, 1251476 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1801 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 1241/1300 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...