./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:10:36,455 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:10:36,456 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:10:36,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:10:36,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:10:36,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:10:36,464 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:10:36,465 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:10:36,466 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:10:36,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:10:36,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:10:36,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:10:36,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:10:36,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:10:36,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:10:36,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:10:36,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:10:36,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:10:36,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:10:36,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:10:36,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:10:36,476 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:10:36,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:10:36,478 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:10:36,478 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:10:36,479 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:10:36,479 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:10:36,480 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:10:36,480 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:10:36,481 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:10:36,481 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:10:36,482 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:10:36,482 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:10:36,482 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:10:36,483 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:10:36,483 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:10:36,483 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:10:36,493 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:10:36,494 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:10:36,494 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:10:36,494 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:10:36,495 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:10:36,495 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:10:36,495 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:10:36,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:10:36,495 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:10:36,495 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:10:36,495 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:10:36,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:10:36,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:10:36,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:10:36,498 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:10:36,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:10:36,498 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_04aa4c38-794f-46ff-8c76-d2998663f2e6/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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-11-28 12:10:36,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:10:36,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:10:36,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:10:36,535 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:10:36,535 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:10:36,535 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-28 12:10:36,573 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/data/3df1d1371/6f41354403054be9bf6981ae6892f1a4/FLAGdc5c0c406 [2018-11-28 12:10:37,040 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:10:37,040 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-11-28 12:10:37,049 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/data/3df1d1371/6f41354403054be9bf6981ae6892f1a4/FLAGdc5c0c406 [2018-11-28 12:10:37,061 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/data/3df1d1371/6f41354403054be9bf6981ae6892f1a4 [2018-11-28 12:10:37,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:10:37,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:10:37,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:10:37,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:10:37,068 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:10:37,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5274901a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37, skipping insertion in model container [2018-11-28 12:10:37,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:10:37,106 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:10:37,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:10:37,342 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:10:37,465 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:10:37,475 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:10:37,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37 WrapperNode [2018-11-28 12:10:37,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:10:37,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:10:37,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:10:37,476 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:10:37,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:10:37,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:10:37,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:10:37,499 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:10:37,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... [2018-11-28 12:10:37,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:10:37,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:10:37,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:10:37,547 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:10:37,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:10:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:10:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:10:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 12:10:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 12:10:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:10:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:10:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:10:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:10:38,315 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:10:38,315 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:10:38,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:10:38 BoogieIcfgContainer [2018-11-28 12:10:38,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:10:38,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:10:38,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:10:38,319 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:10:38,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:10:37" (1/3) ... [2018-11-28 12:10:38,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ceb799b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:10:38, skipping insertion in model container [2018-11-28 12:10:38,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:10:37" (2/3) ... [2018-11-28 12:10:38,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ceb799b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:10:38, skipping insertion in model container [2018-11-28 12:10:38,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:10:38" (3/3) ... [2018-11-28 12:10:38,322 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02_true-unreach-call_false-termination.c [2018-11-28 12:10:38,329 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:10:38,334 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:10:38,344 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:10:38,366 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:10:38,367 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:10:38,367 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:10:38,367 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:10:38,367 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:10:38,367 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:10:38,367 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:10:38,367 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:10:38,368 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:10:38,384 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 12:10:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-28 12:10:38,390 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:38,391 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:38,392 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:38,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:38,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2018-11-28 12:10:38,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:38,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:38,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:38,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:38,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:38,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:38,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:10:38,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:10:38,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:10:38,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:38,687 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 12:10:39,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:39,278 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 12:10:39,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:10:39,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-11-28 12:10:39,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:39,292 INFO L225 Difference]: With dead ends: 547 [2018-11-28 12:10:39,292 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 12:10:39,297 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:39,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 12:10:39,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 12:10:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 12:10:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-11-28 12:10:39,345 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 96 [2018-11-28 12:10:39,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:39,346 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-11-28 12:10:39,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:10:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-11-28 12:10:39,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-28 12:10:39,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:39,350 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:39,350 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:39,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:39,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2018-11-28 12:10:39,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:39,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:39,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:39,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:39,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:39,441 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:39,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:39,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:10:39,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:10:39,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:10:39,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:10:39,444 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-11-28 12:10:39,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:39,972 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-11-28 12:10:39,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:10:39,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-11-28 12:10:39,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:39,975 INFO L225 Difference]: With dead ends: 703 [2018-11-28 12:10:39,976 INFO L226 Difference]: Without dead ends: 431 [2018-11-28 12:10:39,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:10:39,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-28 12:10:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-11-28 12:10:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-28 12:10:39,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-11-28 12:10:39,997 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 106 [2018-11-28 12:10:39,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:39,998 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-11-28 12:10:39,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:10:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-11-28 12:10:40,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 12:10:40,001 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:40,001 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:40,001 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:40,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:40,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1059863033, now seen corresponding path program 1 times [2018-11-28 12:10:40,002 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:40,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:40,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:40,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:40,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:40,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:40,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:10:40,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:10:40,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:10:40,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:40,092 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-11-28 12:10:40,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:40,361 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-11-28 12:10:40,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:10:40,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-11-28 12:10:40,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:40,366 INFO L225 Difference]: With dead ends: 1241 [2018-11-28 12:10:40,366 INFO L226 Difference]: Without dead ends: 828 [2018-11-28 12:10:40,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:40,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-28 12:10:40,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-11-28 12:10:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-11-28 12:10:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1160 transitions. [2018-11-28 12:10:40,395 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1160 transitions. Word has length 107 [2018-11-28 12:10:40,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:40,396 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1160 transitions. [2018-11-28 12:10:40,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:10:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1160 transitions. [2018-11-28 12:10:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-28 12:10:40,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:40,399 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-28 12:10:40,399 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:40,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:40,399 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2018-11-28 12:10:40,399 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:40,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:40,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:40,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:40,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:40,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:40,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:10:40,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:10:40,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:10:40,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:40,503 INFO L87 Difference]: Start difference. First operand 828 states and 1160 transitions. Second operand 3 states. [2018-11-28 12:10:40,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:40,835 INFO L93 Difference]: Finished difference Result 2331 states and 3360 transitions. [2018-11-28 12:10:40,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:10:40,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-11-28 12:10:40,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:40,840 INFO L225 Difference]: With dead ends: 2331 [2018-11-28 12:10:40,840 INFO L226 Difference]: Without dead ends: 1509 [2018-11-28 12:10:40,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:40,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2018-11-28 12:10:40,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2018-11-28 12:10:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1509 states. [2018-11-28 12:10:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2059 transitions. [2018-11-28 12:10:40,873 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2059 transitions. Word has length 113 [2018-11-28 12:10:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:40,874 INFO L480 AbstractCegarLoop]: Abstraction has 1509 states and 2059 transitions. [2018-11-28 12:10:40,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:10:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2059 transitions. [2018-11-28 12:10:40,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-28 12:10:40,877 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:40,878 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-11-28 12:10:40,878 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:40,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:40,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1298833038, now seen corresponding path program 1 times [2018-11-28 12:10:40,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:40,878 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:40,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:40,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:40,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:10:40,978 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:10:40,978 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:10:40,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:41,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:10:41,148 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 12:10:41,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:10:41,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 12:10:41,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:10:41,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:10:41,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:10:41,176 INFO L87 Difference]: Start difference. First operand 1509 states and 2059 transitions. Second operand 7 states. [2018-11-28 12:10:42,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:42,378 INFO L93 Difference]: Finished difference Result 4462 states and 6456 transitions. [2018-11-28 12:10:42,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:10:42,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2018-11-28 12:10:42,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:42,394 INFO L225 Difference]: With dead ends: 4462 [2018-11-28 12:10:42,394 INFO L226 Difference]: Without dead ends: 2959 [2018-11-28 12:10:42,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:10:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2959 states. [2018-11-28 12:10:42,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2959 to 2629. [2018-11-28 12:10:42,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2629 states. [2018-11-28 12:10:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 3475 transitions. [2018-11-28 12:10:42,488 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 3475 transitions. Word has length 132 [2018-11-28 12:10:42,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:42,488 INFO L480 AbstractCegarLoop]: Abstraction has 2629 states and 3475 transitions. [2018-11-28 12:10:42,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:10:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3475 transitions. [2018-11-28 12:10:42,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-28 12:10:42,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:10:42,494 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:10:42,494 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:10:42,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:10:42,495 INFO L82 PathProgramCache]: Analyzing trace with hash 910063858, now seen corresponding path program 1 times [2018-11-28 12:10:42,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:10:42,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:10:42,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:42,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:10:42,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:10:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:10:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 12:10:42,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:10:42,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:10:42,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:10:42,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:10:42,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:42,604 INFO L87 Difference]: Start difference. First operand 2629 states and 3475 transitions. Second operand 3 states. [2018-11-28 12:10:43,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:10:43,012 INFO L93 Difference]: Finished difference Result 5250 states and 6943 transitions. [2018-11-28 12:10:43,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:10:43,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-11-28 12:10:43,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:10:43,015 INFO L225 Difference]: With dead ends: 5250 [2018-11-28 12:10:43,015 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:10:43,022 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:10:43,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:10:43,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:10:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:10:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:10:43,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-11-28 12:10:43,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:10:43,023 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:10:43,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:10:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:10:43,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:10:43,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:10:43,449 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2018-11-28 12:10:43,554 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,555 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 12:10:43,556 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 12:10:43,560 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 12:10:43,561 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 12:10:43,564 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 12:10:43,565 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 12:10:43,566 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,567 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 12:10:43,568 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 12:10:43,569 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 12:10:43,570 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 12:10:43,571 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 12:10:43,572 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 12:10:43,573 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a21~0)|)) (.cse1 (= |old(~a16~0)| ~a16~0)) (.cse2 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (= 1 ~a17~0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse8 (<= ~a20~0 0)) (.cse9 (< 0 |old(~a20~0)|)) (.cse4 (not (= 1 |old(~a17~0)|))) (.cse5 (and .cse1 .cse2)) (.cse6 (not .cse10)) (.cse7 (= 1 |old(~a7~0)|))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4) (or .cse0 (= 4 |old(~a16~0)|) .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse3 .cse4) (or (or .cse0 .cse6 .cse9) (and .cse1 .cse2 .cse8)) (or .cse0 .cse8 .cse9 .cse4) (or .cse5 .cse10) (or .cse6 .cse7 (and (not (= ~a7~0 1)) .cse1 .cse2))))) [2018-11-28 12:10:43,573 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 12:10:43,574 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,575 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 12:10:43,576 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 12:10:43,577 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:10:43,578 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a16~0 4)) (= 1 ~a17~0)) [2018-11-28 12:10:43,578 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:10:43,578 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:10:43,579 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (= 4 |old(~a16~0)|) (not (= 1 |old(~a17~0)|)) (and (not (= ~a7~0 1)) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|) (= 1 ~a17~0))) [2018-11-28 12:10:43,579 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 12:10:43,579 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (= 1 ~a17~0)) (not (= 1 ~a21~0)) (and .cse0 (not (= ~a16~0 4))) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 4 |old(~a16~0)|))) [2018-11-28 12:10:43,579 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 12:10:43,579 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 12:10:43,579 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6)))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (and .cse0 (= 1 ~a17~0)) (not (= 1 ~a21~0)) (and .cse0 (not (= ~a16~0 4))) (and .cse0 (<= ~a20~0 0)) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (not (= ~a7~0 1)) (= 4 |old(~a16~0)|))) [2018-11-28 12:10:43,579 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 12:10:43,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:10:43 BoogieIcfgContainer [2018-11-28 12:10:43,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:10:43,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:10:43,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:10:43,599 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:10:43,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:10:38" (3/4) ... [2018-11-28 12:10:43,604 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:10:43,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:10:43,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 12:10:43,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:10:43,621 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 12:10:43,621 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 12:10:43,648 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((6 == \old(a16) || !(1 == \old(a21))) || (!(a16 == 6) && 1 == a17)) || !(1 == a21)) || (!(a16 == 6) && !(a16 == 4))) || (!(a16 == 6) && a20 <= 0)) || !(1 == \old(a17))) || 1 == \old(a7)) || !(a7 == 1)) || 4 == \old(a16) [2018-11-28 12:10:43,728 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_04aa4c38-794f-46ff-8c76-d2998663f2e6/bin-2019/uautomizer/witness.graphml [2018-11-28 12:10:43,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:10:43,729 INFO L168 Benchmark]: Toolchain (without parser) took 6665.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 337.1 MB). Free memory was 946.3 MB in the beginning and 1.3 GB in the end (delta: -326.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:43,729 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:10:43,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:43,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:43,730 INFO L168 Benchmark]: Boogie Preprocessor took 47.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:43,730 INFO L168 Benchmark]: RCFGBuilder took 769.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:43,730 INFO L168 Benchmark]: TraceAbstraction took 5282.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -257.3 MB). Peak memory consumption was 370.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:43,731 INFO L168 Benchmark]: Witness Printer took 128.95 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:10:43,735 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 769.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5282.72 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -257.3 MB). Peak memory consumption was 370.9 MB. Max. memory is 11.5 GB. * Witness Printer took 128.95 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((6 == \old(a16) || !(1 == \old(a21))) || (!(a16 == 6) && 1 == a17)) || !(1 == a21)) || (!(a16 == 6) && !(a16 == 4))) || (!(a16 == 6) && a20 <= 0)) || !(1 == \old(a17))) || 1 == \old(a7)) || !(a7 == 1)) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 5.2s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 379 SDtfs, 1375 SDslu, 174 SDs, 0 SdLazy, 3240 SolverSat, 565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2629occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 342 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 67 PreInvPairs, 105 NumberOfFragments, 292 HoareAnnotationTreeSize, 67 FomulaSimplifications, 1639 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 647 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 819 ConstructedInterpolants, 0 QuantifiedInterpolants, 257621 SizeOfPredicates, 2 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 162/164 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...