./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/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 1924a8dde25e8984c73792fdb4b4e419be9487c7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:10:39,612 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:10:39,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:10:39,621 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:10:39,621 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:10:39,622 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:10:39,623 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:10:39,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:10:39,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:10:39,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:10:39,628 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:10:39,628 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:10:39,629 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:10:39,629 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:10:39,630 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:10:39,631 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:10:39,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:10:39,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:10:39,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:10:39,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:10:39,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:10:39,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:10:39,639 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:10:39,639 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:10:39,639 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:10:39,640 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:10:39,641 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:10:39,641 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:10:39,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:10:39,642 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:10:39,642 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:10:39,643 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:10:39,643 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:10:39,643 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:10:39,644 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:10:39,644 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:10:39,644 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 11:10:39,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:10:39,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:10:39,654 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:10:39,654 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:10:39,655 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:10:39,655 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:10:39,655 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:10:39,655 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:10:39,656 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:10:39,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:10:39,656 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:10:39,656 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:10:39,656 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:10:39,656 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:10:39,657 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:10:39,657 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:10:39,657 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:10:39,657 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:10:39,657 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:10:39,658 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:10:39,658 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:10:39,658 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:10:39,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:10:39,658 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:10:39,658 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:10:39,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:10:39,659 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:10:39,659 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:10:39,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:10:39,659 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_31f3856e-426c-40bc-aaab-946306d73ffb/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 -> 1924a8dde25e8984c73792fdb4b4e419be9487c7 [2018-11-10 11:10:39,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:10:39,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:10:39,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:10:39,706 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:10:39,707 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:10:39,707 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-11-10 11:10:39,757 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/data/e0458fee8/c49dce5235eb4e4cbf315f9fe9d80a47/FLAG350a28bf0 [2018-11-10 11:10:40,187 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:10:40,187 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/sv-benchmarks/c/eca-rers2012/Problem01_label51_true-unreach-call_false-termination.c [2018-11-10 11:10:40,198 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/data/e0458fee8/c49dce5235eb4e4cbf315f9fe9d80a47/FLAG350a28bf0 [2018-11-10 11:10:40,210 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/data/e0458fee8/c49dce5235eb4e4cbf315f9fe9d80a47 [2018-11-10 11:10:40,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:10:40,215 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:10:40,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:10:40,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:10:40,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:10:40,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae94ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40, skipping insertion in model container [2018-11-10 11:10:40,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:10:40,271 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:10:40,554 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:10:40,558 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:10:40,639 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:10:40,654 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:10:40,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40 WrapperNode [2018-11-10 11:10:40,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:10:40,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:10:40,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:10:40,655 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:10:40,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... [2018-11-10 11:10:40,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:10:40,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:10:40,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:10:40,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:10:40,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/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 [2018-11-10 11:10:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:10:40,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:10:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 11:10:40,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:10:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 11:10:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 11:10:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 11:10:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:10:40,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:10:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:10:40,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:10:42,050 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:10:42,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:10:42 BoogieIcfgContainer [2018-11-10 11:10:42,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:10:42,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:10:42,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:10:42,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:10:42,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:10:40" (1/3) ... [2018-11-10 11:10:42,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ee11ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:10:42, skipping insertion in model container [2018-11-10 11:10:42,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:10:40" (2/3) ... [2018-11-10 11:10:42,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ee11ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:10:42, skipping insertion in model container [2018-11-10 11:10:42,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:10:42" (3/3) ... [2018-11-10 11:10:42,060 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label51_true-unreach-call_false-termination.c [2018-11-10 11:10:42,069 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:10:42,077 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:10:42,093 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:10:42,125 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:10:42,125 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:10:42,126 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:10:42,126 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:10:42,126 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:10:42,126 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:10:42,126 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:10:42,127 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:10:42,127 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:10:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 11:10:42,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-10 11:10:42,160 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:10:42,161 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] [2018-11-10 11:10:42,163 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:10:42,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:10:42,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1112623339, now seen corresponding path program 1 times [2018-11-10 11:10:42,171 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:10:42,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:10:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:42,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:10:42,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:10:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:10:42,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:10:42,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:10:42,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:10:42,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:10:42,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:10:42,601 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 11:10:43,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:10:43,323 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 11:10:43,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:10:43,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-11-10 11:10:43,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:10:43,336 INFO L225 Difference]: With dead ends: 550 [2018-11-10 11:10:43,336 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 11:10:43,341 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:10:43,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 11:10:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 11:10:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 11:10:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 571 transitions. [2018-11-10 11:10:43,392 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 571 transitions. Word has length 113 [2018-11-10 11:10:43,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:10:43,394 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 571 transitions. [2018-11-10 11:10:43,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:10:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 571 transitions. [2018-11-10 11:10:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-10 11:10:43,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:10:43,399 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-10 11:10:43,399 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:10:43,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:10:43,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1416695986, now seen corresponding path program 1 times [2018-11-10 11:10:43,399 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:10:43,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:10:43,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:43,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:10:43,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:10:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:10:43,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:10:43,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 11:10:43,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:10:43,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:10:43,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:10:43,550 INFO L87 Difference]: Start difference. First operand 340 states and 571 transitions. Second operand 4 states. [2018-11-10 11:10:44,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:10:44,304 INFO L93 Difference]: Finished difference Result 1218 states and 2175 transitions. [2018-11-10 11:10:44,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:10:44,305 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 131 [2018-11-10 11:10:44,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:10:44,311 INFO L225 Difference]: With dead ends: 1218 [2018-11-10 11:10:44,311 INFO L226 Difference]: Without dead ends: 884 [2018-11-10 11:10:44,314 INFO L605 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 [2018-11-10 11:10:44,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-10 11:10:44,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2018-11-10 11:10:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2018-11-10 11:10:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1407 transitions. [2018-11-10 11:10:44,355 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1407 transitions. Word has length 131 [2018-11-10 11:10:44,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:10:44,355 INFO L481 AbstractCegarLoop]: Abstraction has 884 states and 1407 transitions. [2018-11-10 11:10:44,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:10:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1407 transitions. [2018-11-10 11:10:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 11:10:44,361 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:10:44,361 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] [2018-11-10 11:10:44,362 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:10:44,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:10:44,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1729083066, now seen corresponding path program 1 times [2018-11-10 11:10:44,362 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:10:44,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:10:44,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:44,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:10:44,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:10:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:10:44,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:10:44,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:10:44,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:10:44,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:10:44,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:10:44,534 INFO L87 Difference]: Start difference. First operand 884 states and 1407 transitions. Second operand 3 states. [2018-11-10 11:10:45,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:10:45,060 INFO L93 Difference]: Finished difference Result 2578 states and 4238 transitions. [2018-11-10 11:10:45,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:10:45,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-10 11:10:45,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:10:45,072 INFO L225 Difference]: With dead ends: 2578 [2018-11-10 11:10:45,072 INFO L226 Difference]: Without dead ends: 1700 [2018-11-10 11:10:45,078 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:10:45,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2018-11-10 11:10:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2018-11-10 11:10:45,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1700 states. [2018-11-10 11:10:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2537 transitions. [2018-11-10 11:10:45,129 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2537 transitions. Word has length 148 [2018-11-10 11:10:45,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:10:45,129 INFO L481 AbstractCegarLoop]: Abstraction has 1700 states and 2537 transitions. [2018-11-10 11:10:45,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:10:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2537 transitions. [2018-11-10 11:10:45,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 11:10:45,137 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:10:45,137 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:10:45,137 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:10:45,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:10:45,138 INFO L82 PathProgramCache]: Analyzing trace with hash -2092376434, now seen corresponding path program 1 times [2018-11-10 11:10:45,138 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:10:45,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:10:45,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:45,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:10:45,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:10:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:10:45,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:10:45,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:10:45,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:10:45,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:10:45,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:10:45,300 INFO L87 Difference]: Start difference. First operand 1700 states and 2537 transitions. Second operand 6 states. [2018-11-10 11:10:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:10:46,297 INFO L93 Difference]: Finished difference Result 4353 states and 6550 transitions. [2018-11-10 11:10:46,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:10:46,298 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2018-11-10 11:10:46,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:10:46,312 INFO L225 Difference]: With dead ends: 4353 [2018-11-10 11:10:46,312 INFO L226 Difference]: Without dead ends: 2659 [2018-11-10 11:10:46,321 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:10:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2659 states. [2018-11-10 11:10:46,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2659 to 2619. [2018-11-10 11:10:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2619 states. [2018-11-10 11:10:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3469 transitions. [2018-11-10 11:10:46,401 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3469 transitions. Word has length 184 [2018-11-10 11:10:46,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:10:46,401 INFO L481 AbstractCegarLoop]: Abstraction has 2619 states and 3469 transitions. [2018-11-10 11:10:46,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:10:46,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3469 transitions. [2018-11-10 11:10:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 11:10:46,411 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:10:46,412 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-10 11:10:46,412 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:10:46,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:10:46,412 INFO L82 PathProgramCache]: Analyzing trace with hash 392658105, now seen corresponding path program 1 times [2018-11-10 11:10:46,412 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:10:46,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:10:46,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:46,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:10:46,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:10:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:10:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 11:10:46,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:10:46,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:10:46,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:10:46,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:10:46,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:10:46,629 INFO L87 Difference]: Start difference. First operand 2619 states and 3469 transitions. Second operand 3 states. [2018-11-10 11:10:47,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:10:47,226 INFO L93 Difference]: Finished difference Result 7426 states and 10051 transitions. [2018-11-10 11:10:47,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:10:47,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2018-11-10 11:10:47,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:10:47,230 INFO L225 Difference]: With dead ends: 7426 [2018-11-10 11:10:47,230 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:10:47,272 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:10:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:10:47,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:10:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:10:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:10:47,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200 [2018-11-10 11:10:47,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:10:47,274 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:10:47,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:10:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:10:47,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:10:47,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:10:47,666 WARN L179 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 42 [2018-11-10 11:10:47,771 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:10:47,772 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a8~0)| ~a8~0) [2018-11-10 11:10:47,772 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:10:47,772 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 11:10:47,772 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 11:10:47,772 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,772 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,772 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 11:10:47,773 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L568(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,774 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 11:10:47,775 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,776 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 11:10:47,777 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 11:10:47,778 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,779 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 11:10:47,780 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,781 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 11:10:47,782 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 11:10:47,783 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 494) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,784 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 11:10:47,785 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 11:10:47,786 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 11:10:47,786 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 11:10:47,786 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 11:10:47,786 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 11:10:47,786 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= 13 |old(~a8~0)|)) (.cse3 (not (= 1 |old(~a7~0)|))) (.cse4 (not (= ~a20~0 1))) (.cse5 (= 1 |old(~a20~0)|)) (.cse6 (= 5 |old(~a16~0)|)) (.cse1 (= 14 |old(~a8~0)|)) (.cse0 (= |old(~a8~0)| ~a8~0)) (.cse7 (not (= 5 ~a16~0)))) (and (or .cse0 .cse1 .cse2) (or (not (= 4 |old(~a16~0)|)) (and .cse0 (= 4 ~a16~0))) (or (and (= 1 ~a7~0) .cse0) .cse3) (or (and .cse4 .cse0) .cse2 .cse5) (or .cse6 .cse3 .cse7) (or .cse4 .cse3 .cse5) (or .cse6 .cse4 .cse5) (or .cse6 .cse7 .cse5) (or .cse6 .cse1 (and .cse0 .cse7)))) [2018-11-10 11:10:47,786 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 11:10:47,786 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,786 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 11:10:47,787 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 11:10:47,788 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 11:10:47,788 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 11:10:47,788 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 11:10:47,788 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 11:10:47,788 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 11:10:47,788 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 11:10:47,788 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 11:10:47,789 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 11:10:47,790 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,791 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 11:10:47,792 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:10:47,793 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a8~0 14)) (not (= ~a8~0 13))) [2018-11-10 11:10:47,793 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:10:47,793 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:10:47,793 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= |old(~a8~0)| ~a8~0) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|)) [2018-11-10 11:10:47,793 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 11:10:47,793 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a8~0 13)))) (or (= 1 ~a7~0) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (not (= 5 ~a16~0)) .cse0) (= 4 ~a16~0) (and (not (= ~a20~0 1)) .cse1))) [2018-11-10 11:10:47,793 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 11:10:47,794 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 11:10:47,794 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 11:10:47,794 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 14))) (.cse1 (not (= ~a8~0 13)))) (or (= 1 ~a7~0) (and .cse0 .cse1) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (not (= 5 ~a16~0)) .cse0) (= 4 ~a16~0) (and (not (= ~a20~0 1)) .cse1))) [2018-11-10 11:10:47,794 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 11:10:47,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:10:47 BoogieIcfgContainer [2018-11-10 11:10:47,811 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:10:47,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:10:47,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:10:47,812 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:10:47,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:10:42" (3/4) ... [2018-11-10 11:10:47,815 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:10:47,828 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:10:47,829 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 11:10:47,829 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:10:47,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:10:47,842 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:10:47,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == a7 || (!(a8 == 14) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (!(5 == a16) && !(a8 == 14))) || 4 == a16) || (!(a20 == 1) && !(a8 == 13)) [2018-11-10 11:10:47,961 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_31f3856e-426c-40bc-aaab-946306d73ffb/bin-2019/uautomizer/witness.graphml [2018-11-10 11:10:47,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:10:47,962 INFO L168 Benchmark]: Toolchain (without parser) took 7748.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 243.3 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 93.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:10:47,963 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:10:47,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 439.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:10:47,963 INFO L168 Benchmark]: Boogie Preprocessor took 169.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -227.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:10:47,964 INFO L168 Benchmark]: RCFGBuilder took 1227.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:10:47,964 INFO L168 Benchmark]: TraceAbstraction took 5758.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -81.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:10:47,964 INFO L168 Benchmark]: Witness Printer took 149.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:10:47,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 439.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 919.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 169.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -227.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1227.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5758.32 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -81.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Witness Printer took 149.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 494]: 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 == a7 || (!(a8 == 14) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (!(5 == a16) && !(a8 == 14))) || 4 == a16) || (!(a20 == 1) && !(a8 == 13)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1177 SDtfs, 1232 SDslu, 319 SDs, 0 SdLazy, 2980 SolverSat, 697 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2619occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 40 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 76 PreInvPairs, 140 NumberOfFragments, 214 HoareAnnotationTreeSize, 76 FomulaSimplifications, 1106 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 825 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 776 NumberOfCodeBlocks, 776 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 771 ConstructedInterpolants, 0 QuantifiedInterpolants, 383925 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 212/212 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...