./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/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_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/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 0.1.23-1dbac8b [2018-11-10 11:41:05,528 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:41:05,529 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:41:05,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:41:05,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:41:05,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:41:05,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:41:05,538 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:41:05,539 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:41:05,539 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:41:05,540 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:41:05,540 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:41:05,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:41:05,541 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:41:05,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:41:05,542 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:41:05,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:41:05,544 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:41:05,545 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:41:05,546 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:41:05,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:41:05,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:41:05,549 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:41:05,549 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:41:05,549 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:41:05,550 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:41:05,550 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:41:05,551 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:41:05,551 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:41:05,552 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:41:05,552 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:41:05,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:41:05,553 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:41:05,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:41:05,554 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:41:05,554 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:41:05,554 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 11:41:05,564 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:41:05,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:41:05,565 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:41:05,565 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:41:05,565 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:41:05,565 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:41:05,566 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:41:05,566 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:41:05,566 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:41:05,566 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:41:05,566 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:41:05,566 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:41:05,566 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:41:05,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:41:05,567 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:41:05,567 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:41:05,567 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:41:05,567 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:41:05,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:41:05,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:41:05,568 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:41:05,568 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:41:05,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:41:05,568 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:41:05,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:41:05,568 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:41:05,568 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:41:05,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:41:05,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:41:05,569 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_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/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 [2018-11-10 11:41:05,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:41:05,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:41:05,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:41:05,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:41:05,606 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:41:05,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-10 11:41:05,651 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/data/c3235b0ce/c44719b6cc7540c6838fb6512a51c0a1/FLAG35149b90c [2018-11-10 11:41:06,003 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:41:06,004 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-10 11:41:06,012 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/data/c3235b0ce/c44719b6cc7540c6838fb6512a51c0a1/FLAG35149b90c [2018-11-10 11:41:06,024 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/data/c3235b0ce/c44719b6cc7540c6838fb6512a51c0a1 [2018-11-10 11:41:06,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:41:06,028 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:41:06,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:41:06,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:41:06,032 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:41:06,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d2276f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06, skipping insertion in model container [2018-11-10 11:41:06,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:41:06,079 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:41:06,308 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:41:06,311 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:41:06,374 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:41:06,386 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:41:06,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06 WrapperNode [2018-11-10 11:41:06,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:41:06,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:41:06,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:41:06,387 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:41:06,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... [2018-11-10 11:41:06,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:41:06,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:41:06,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:41:06,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:41:06,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/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 11:41:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:41:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:41:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-10 11:41:06,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:41:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-10 11:41:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 11:41:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 11:41:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:41:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:41:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:41:06,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:41:07,307 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:41:07,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:41:07 BoogieIcfgContainer [2018-11-10 11:41:07,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:41:07,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:41:07,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:41:07,312 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:41:07,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:41:06" (1/3) ... [2018-11-10 11:41:07,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db234c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:41:07, skipping insertion in model container [2018-11-10 11:41:07,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:41:06" (2/3) ... [2018-11-10 11:41:07,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db234c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:41:07, skipping insertion in model container [2018-11-10 11:41:07,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:41:07" (3/3) ... [2018-11-10 11:41:07,315 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label14_true-unreach-call_false-termination.c [2018-11-10 11:41:07,321 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:41:07,326 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:41:07,335 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:41:07,357 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:41:07,358 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:41:07,358 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:41:07,358 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:41:07,358 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:41:07,358 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:41:07,358 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:41:07,358 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:41:07,358 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:41:07,373 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-10 11:41:07,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-10 11:41:07,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:07,384 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] [2018-11-10 11:41:07,386 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:07,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:07,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1783775568, now seen corresponding path program 1 times [2018-11-10 11:41:07,390 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:07,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:07,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:07,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:07,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:07,691 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 11:41:07,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:41:07,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:41:07,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:41:07,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:41:07,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:41:07,706 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-10 11:41:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:08,250 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-10 11:41:08,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:41:08,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-11-10 11:41:08,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:08,261 INFO L225 Difference]: With dead ends: 550 [2018-11-10 11:41:08,261 INFO L226 Difference]: Without dead ends: 340 [2018-11-10 11:41:08,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:41:08,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-10 11:41:08,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-10 11:41:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-10 11:41:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-10 11:41:08,304 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 138 [2018-11-10 11:41:08,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:08,304 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-10 11:41:08,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:41:08,305 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-10 11:41:08,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 11:41:08,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:08,309 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] [2018-11-10 11:41:08,311 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:08,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:08,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1808650351, now seen corresponding path program 1 times [2018-11-10 11:41:08,312 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:08,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:08,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:08,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:08,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:41:08,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:41:08,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:41:08,428 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:41:08,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:41:08,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:41:08,429 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-10 11:41:09,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:09,009 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-10 11:41:09,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:41:09,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-10 11:41:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:09,015 INFO L225 Difference]: With dead ends: 1075 [2018-11-10 11:41:09,016 INFO L226 Difference]: Without dead ends: 741 [2018-11-10 11:41:09,018 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 11:41:09,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-10 11:41:09,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-10 11:41:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-10 11:41:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-10 11:41:09,046 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 149 [2018-11-10 11:41:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:09,047 INFO L481 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-10 11:41:09,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:41:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-10 11:41:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 11:41:09,050 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:09,051 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] [2018-11-10 11:41:09,051 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:09,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:09,055 INFO L82 PathProgramCache]: Analyzing trace with hash 2122506691, now seen corresponding path program 1 times [2018-11-10 11:41:09,055 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:09,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:09,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:09,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:09,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:41:09,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:41:09,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 11:41:09,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 11:41:09,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:41:09,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:41:09,246 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-10 11:41:09,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:09,746 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-10 11:41:09,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:41:09,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-10 11:41:09,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:09,751 INFO L225 Difference]: With dead ends: 1578 [2018-11-10 11:41:09,751 INFO L226 Difference]: Without dead ends: 721 [2018-11-10 11:41:09,756 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:41:09,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-10 11:41:09,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-10 11:41:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-10 11:41:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-10 11:41:09,775 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 150 [2018-11-10 11:41:09,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:09,775 INFO L481 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-10 11:41:09,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 11:41:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-10 11:41:09,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-10 11:41:09,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:09,778 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] [2018-11-10 11:41:09,778 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:09,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:09,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1419468101, now seen corresponding path program 1 times [2018-11-10 11:41:09,779 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:09,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:09,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:09,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:09,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:09,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:41:09,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:41:09,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:41:09,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:41:09,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:41:09,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:41:09,875 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-10 11:41:10,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:10,174 INFO L93 Difference]: Finished difference Result 2069 states and 3084 transitions. [2018-11-10 11:41:10,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:41:10,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-10 11:41:10,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:10,179 INFO L225 Difference]: With dead ends: 2069 [2018-11-10 11:41:10,179 INFO L226 Difference]: Without dead ends: 1354 [2018-11-10 11:41:10,181 INFO L605 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 [2018-11-10 11:41:10,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-11-10 11:41:10,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1347. [2018-11-10 11:41:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-10 11:41:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1892 transitions. [2018-11-10 11:41:10,205 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1892 transitions. Word has length 154 [2018-11-10 11:41:10,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:10,206 INFO L481 AbstractCegarLoop]: Abstraction has 1347 states and 1892 transitions. [2018-11-10 11:41:10,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:41:10,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1892 transitions. [2018-11-10 11:41:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-10 11:41:10,209 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:10,209 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] [2018-11-10 11:41:10,209 INFO L424 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:10,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:10,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1446107199, now seen corresponding path program 1 times [2018-11-10 11:41:10,210 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:10,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:10,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:10,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:10,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:10,296 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 11:41:10,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:41:10,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 11:41:10,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:41:10,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:41:10,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:41:10,297 INFO L87 Difference]: Start difference. First operand 1347 states and 1892 transitions. Second operand 4 states. [2018-11-10 11:41:10,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:10,758 INFO L93 Difference]: Finished difference Result 3232 states and 4626 transitions. [2018-11-10 11:41:10,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:41:10,761 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-11-10 11:41:10,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:10,766 INFO L225 Difference]: With dead ends: 3232 [2018-11-10 11:41:10,766 INFO L226 Difference]: Without dead ends: 1891 [2018-11-10 11:41:10,770 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 11:41:10,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-10 11:41:10,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1891. [2018-11-10 11:41:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2018-11-10 11:41:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2551 transitions. [2018-11-10 11:41:10,803 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2551 transitions. Word has length 173 [2018-11-10 11:41:10,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:10,804 INFO L481 AbstractCegarLoop]: Abstraction has 1891 states and 2551 transitions. [2018-11-10 11:41:10,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:41:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2551 transitions. [2018-11-10 11:41:10,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 11:41:10,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:10,809 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] [2018-11-10 11:41:10,809 INFO L424 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:10,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:10,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1915591307, now seen corresponding path program 1 times [2018-11-10 11:41:10,810 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:10,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:10,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:10,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:10,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 11:41:10,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:41:10,909 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/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 [2018-11-10 11:41:10,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:11,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:41:11,089 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 11:41:11,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 11:41:11,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-10 11:41:11,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:41:11,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:41:11,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:41:11,118 INFO L87 Difference]: Start difference. First operand 1891 states and 2551 transitions. Second operand 7 states. [2018-11-10 11:41:12,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:12,349 INFO L93 Difference]: Finished difference Result 6566 states and 9095 transitions. [2018-11-10 11:41:12,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-10 11:41:12,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2018-11-10 11:41:12,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:12,370 INFO L225 Difference]: With dead ends: 6566 [2018-11-10 11:41:12,370 INFO L226 Difference]: Without dead ends: 4681 [2018-11-10 11:41:12,380 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-11-10 11:41:12,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4681 states. [2018-11-10 11:41:12,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4681 to 4648. [2018-11-10 11:41:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4648 states. [2018-11-10 11:41:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4648 states to 4648 states and 5998 transitions. [2018-11-10 11:41:12,489 INFO L78 Accepts]: Start accepts. Automaton has 4648 states and 5998 transitions. Word has length 200 [2018-11-10 11:41:12,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:12,489 INFO L481 AbstractCegarLoop]: Abstraction has 4648 states and 5998 transitions. [2018-11-10 11:41:12,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:41:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4648 states and 5998 transitions. [2018-11-10 11:41:12,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-11-10 11:41:12,501 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:12,501 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] [2018-11-10 11:41:12,501 INFO L424 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:12,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:12,502 INFO L82 PathProgramCache]: Analyzing trace with hash -136311855, now seen corresponding path program 1 times [2018-11-10 11:41:12,502 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:12,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:12,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:12,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:12,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:12,633 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 90 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 11:41:12,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:41:12,633 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/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 [2018-11-10 11:41:12,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:12,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:41:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 90 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 11:41:12,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:41:12,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-10 11:41:12,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 11:41:12,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 11:41:12,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-10 11:41:12,801 INFO L87 Difference]: Start difference. First operand 4648 states and 5998 transitions. Second operand 8 states. [2018-11-10 11:41:13,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:13,969 INFO L93 Difference]: Finished difference Result 10329 states and 13741 transitions. [2018-11-10 11:41:13,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-10 11:41:13,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2018-11-10 11:41:13,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:13,993 INFO L225 Difference]: With dead ends: 10329 [2018-11-10 11:41:13,993 INFO L226 Difference]: Without dead ends: 5687 [2018-11-10 11:41:14,008 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2018-11-10 11:41:14,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2018-11-10 11:41:14,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5279. [2018-11-10 11:41:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5279 states. [2018-11-10 11:41:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 5279 states and 6577 transitions. [2018-11-10 11:41:14,136 INFO L78 Accepts]: Start accepts. Automaton has 5279 states and 6577 transitions. Word has length 218 [2018-11-10 11:41:14,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:14,136 INFO L481 AbstractCegarLoop]: Abstraction has 5279 states and 6577 transitions. [2018-11-10 11:41:14,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 11:41:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5279 states and 6577 transitions. [2018-11-10 11:41:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 11:41:14,150 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:41:14,150 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] [2018-11-10 11:41:14,150 INFO L424 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:41:14,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:41:14,151 INFO L82 PathProgramCache]: Analyzing trace with hash -2124749088, now seen corresponding path program 1 times [2018-11-10 11:41:14,151 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:41:14,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:41:14,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:14,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:14,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:41:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-10 11:41:14,351 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 11:41:14,352 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/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 [2018-11-10 11:41:14,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:41:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:41:14,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:41:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-10 11:41:14,556 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 11:41:14,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-10 11:41:14,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 11:41:14,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 11:41:14,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:41:14,558 INFO L87 Difference]: Start difference. First operand 5279 states and 6577 transitions. Second operand 9 states. [2018-11-10 11:41:15,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:41:15,656 INFO L93 Difference]: Finished difference Result 9377 states and 11604 transitions. [2018-11-10 11:41:15,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-10 11:41:15,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 319 [2018-11-10 11:41:15,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:41:15,658 INFO L225 Difference]: With dead ends: 9377 [2018-11-10 11:41:15,658 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:41:15,676 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=200, Invalid=670, Unknown=0, NotChecked=0, Total=870 [2018-11-10 11:41:15,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:41:15,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:41:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:41:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:41:15,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 319 [2018-11-10 11:41:15,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:41:15,677 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:41:15,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 11:41:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:41:15,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:41:15,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:41:15,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:15,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 11:41:16,734 WARN L179 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 76 [2018-11-10 11:41:17,064 WARN L179 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2018-11-10 11:41:17,312 WARN L179 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2018-11-10 11:41:17,313 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:41:17,314 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)|)) [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L565(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L532(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L499(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L466(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L433(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,314 INFO L425 ceAbstractionStarter]: For program point L400(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L535(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,315 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L502(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L469(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L436(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L403(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-10 11:41:17,316 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 573) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L538(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L505(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L472(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L439(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L406(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-10 11:41:17,317 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L541(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L508(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L475(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L442(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L409(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-10 11:41:17,318 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-10 11:41:17,319 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-10 11:41:17,319 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-10 11:41:17,319 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-10 11:41:17,319 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-10 11:41:17,319 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-10 11:41:17,319 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-10 11:41:17,323 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-10 11:41:17,323 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-10 11:41:17,323 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-10 11:41:17,323 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-10 11:41:17,323 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L544(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L511(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L478(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L445(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L412(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,324 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L547(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L514(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L481(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L448(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L415(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-10 11:41:17,325 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L550(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L517(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L484(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L451(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L418(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-10 11:41:17,326 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L553(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L520(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L487(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L454(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L421(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-10 11:41:17,327 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-10 11:41:17,328 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)))) [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-10 11:41:17,328 INFO L425 ceAbstractionStarter]: For program point L556(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L523(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L490(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L457(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L424(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L391-1(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-10 11:41:17,329 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L559(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L526(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L493(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L460(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L427(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L394(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2018-11-10 11:41:17,330 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-10 11:41:17,331 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-10 11:41:17,331 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-10 11:41:17,331 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-10 11:41:17,331 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-10 11:41:17,331 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-10 11:41:17,331 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L562(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L529(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L496(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L463(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L430(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,335 INFO L425 ceAbstractionStarter]: For program point L397(lines 30 575) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:41:17,336 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)) [2018-11-10 11:41:17,336 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:41:17,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:41:17,337 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)|))) [2018-11-10 11:41:17,337 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-10 11:41:17,337 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))) [2018-11-10 11:41:17,337 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-10 11:41:17,337 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-10 11:41:17,337 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-10 11:41:17,337 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))) [2018-11-10 11:41:17,337 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-10 11:41:17,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:41:17 BoogieIcfgContainer [2018-11-10 11:41:17,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:41:17,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:41:17,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:41:17,360 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:41:17,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:41:07" (3/4) ... [2018-11-10 11:41:17,367 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:41:17,374 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:41:17,374 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-10 11:41:17,374 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:41:17,382 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:41:17,383 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 11:41:17,402 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) [2018-11-10 11:41:17,472 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c2b9364c-c4bd-4d8c-9995-bec6a51f0d48/bin-2019/uautomizer/witness.graphml [2018-11-10 11:41:17,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:41:17,473 INFO L168 Benchmark]: Toolchain (without parser) took 11445.69 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 544.2 MB). Free memory was 950.4 MB in the beginning and 964.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 530.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:41:17,473 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-10 11:41:17,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:41:17,474 INFO L168 Benchmark]: Boogie Preprocessor took 115.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -253.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:41:17,474 INFO L168 Benchmark]: RCFGBuilder took 805.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:41:17,474 INFO L168 Benchmark]: TraceAbstraction took 10049.57 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 370.1 MB). Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 79.6 MB). Peak memory consumption was 449.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:41:17,475 INFO L168 Benchmark]: Witness Printer took 111.76 ms. Allocated memory is still 1.6 GB. Free memory was 976.9 MB in the beginning and 964.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:41:17,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.11 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -253.6 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 805.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10049.57 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 370.1 MB). Free memory was 1.1 GB in the beginning and 976.9 MB in the end (delta: 79.6 MB). Peak memory consumption was 449.7 MB. Max. memory is 11.5 GB. * Witness Printer took 111.76 ms. Allocated memory is still 1.6 GB. Free memory was 976.9 MB in the beginning and 964.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 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, 9.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 831 SDtfs, 4840 SDslu, 1021 SDs, 0 SdLazy, 8025 SolverSat, 1595 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 865 GetRequests, 785 SyntacticMatches, 6 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.7s 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, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s 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...