./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/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 c830b0c5c33990192c3ba87f57f72df9f3b5a041 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:48:00,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:48:00,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:48:00,502 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:48:00,502 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:48:00,503 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:48:00,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:48:00,505 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:48:00,507 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:48:00,507 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:48:00,508 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:48:00,508 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:48:00,509 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:48:00,509 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:48:00,510 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:48:00,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:48:00,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:48:00,512 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:48:00,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:48:00,515 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:48:00,516 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:48:00,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:48:00,518 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:48:00,519 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:48:00,519 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:48:00,520 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:48:00,520 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:48:00,521 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:48:00,522 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:48:00,522 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:48:00,522 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:48:00,523 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:48:00,523 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:48:00,523 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:48:00,524 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:48:00,524 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:48:00,525 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-22 21:48:00,532 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:48:00,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:48:00,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:48:00,533 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:48:00,533 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:48:00,534 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:48:00,534 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 21:48:00,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:48:00,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:48:00,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:48:00,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:48:00,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:48:00,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:48:00,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:48:00,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:48:00,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:48:00,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:48:00,535 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:48:00,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:48:00,536 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:48:00,536 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:48:00,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:48:00,536 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:48:00,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:48:00,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:48:00,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:48:00,536 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:48:00,537 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 21:48:00,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:48:00,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:48:00,537 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_4567c5df-e175-4737-9f08-4c09601757f1/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 -> c830b0c5c33990192c3ba87f57f72df9f3b5a041 [2018-11-22 21:48:00,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:48:00,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:48:00,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:48:00,574 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:48:00,574 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:48:00,575 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-11-22 21:48:00,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/data/abb199959/79d51ae8b5774db5bf20e6809b613c24/FLAG9b88d9ccd [2018-11-22 21:48:01,032 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:48:01,033 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/sv-benchmarks/c/eca-rers2012/Problem01_label59_true-unreach-call_false-termination.c [2018-11-22 21:48:01,041 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/data/abb199959/79d51ae8b5774db5bf20e6809b613c24/FLAG9b88d9ccd [2018-11-22 21:48:01,390 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/data/abb199959/79d51ae8b5774db5bf20e6809b613c24 [2018-11-22 21:48:01,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:48:01,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:48:01,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:48:01,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:48:01,397 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:48:01,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4fcbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01, skipping insertion in model container [2018-11-22 21:48:01,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:48:01,440 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:48:01,672 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:48:01,676 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:48:01,741 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:48:01,754 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:48:01,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01 WrapperNode [2018-11-22 21:48:01,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:48:01,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:48:01,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:48:01,755 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:48:01,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,823 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:48:01,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:48:01,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:48:01,830 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:48:01,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... [2018-11-22 21:48:01,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:48:01,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:48:01,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:48:01,885 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:48:01,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/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 [2018-11-22 21:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 21:48:01,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:48:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 21:48:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 21:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:48:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:48:01,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:48:01,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:48:02,917 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:48:02,917 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 21:48:02,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:02 BoogieIcfgContainer [2018-11-22 21:48:02,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:48:02,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:48:02,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:48:02,921 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:48:02,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:48:01" (1/3) ... [2018-11-22 21:48:02,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7085de11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:48:02, skipping insertion in model container [2018-11-22 21:48:02,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:01" (2/3) ... [2018-11-22 21:48:02,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7085de11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:48:02, skipping insertion in model container [2018-11-22 21:48:02,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:02" (3/3) ... [2018-11-22 21:48:02,923 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label59_true-unreach-call_false-termination.c [2018-11-22 21:48:02,929 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:48:02,936 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 21:48:02,946 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 21:48:02,969 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 21:48:02,970 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:48:02,970 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:48:02,970 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:48:02,970 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:48:02,970 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:48:02,970 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:48:02,970 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:48:02,970 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:48:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-22 21:48:02,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-22 21:48:02,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:48:02,994 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] [2018-11-22 21:48:02,995 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:48:02,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:48:02,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1907034097, now seen corresponding path program 1 times [2018-11-22 21:48:03,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:48:03,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:48:03,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:03,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:48:03,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:03,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:03,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:48:03,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:48:03,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:48:03,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:48:03,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:48:03,272 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-22 21:48:03,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:48:03,809 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-22 21:48:03,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:48:03,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2018-11-22 21:48:03,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:48:03,820 INFO L225 Difference]: With dead ends: 547 [2018-11-22 21:48:03,820 INFO L226 Difference]: Without dead ends: 338 [2018-11-22 21:48:03,823 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 [2018-11-22 21:48:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-22 21:48:03,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-22 21:48:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-22 21:48:03,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-22 21:48:03,859 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 95 [2018-11-22 21:48:03,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:48:03,860 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-22 21:48:03,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:48:03,860 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-22 21:48:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-22 21:48:03,862 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:48:03,862 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] [2018-11-22 21:48:03,863 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:48:03,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:48:03,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2120846440, now seen corresponding path program 1 times [2018-11-22 21:48:03,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:48:03,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:48:03,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:03,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:48:03,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:03,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:48:03,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:48:03,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:48:03,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:48:03,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:48:03,955 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-22 21:48:04,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:48:04,619 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-22 21:48:04,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:48:04,620 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2018-11-22 21:48:04,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:48:04,623 INFO L225 Difference]: With dead ends: 881 [2018-11-22 21:48:04,623 INFO L226 Difference]: Without dead ends: 549 [2018-11-22 21:48:04,626 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 [2018-11-22 21:48:04,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-22 21:48:04,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-22 21:48:04,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-22 21:48:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-22 21:48:04,650 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 105 [2018-11-22 21:48:04,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:48:04,650 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-22 21:48:04,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:48:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-22 21:48:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-22 21:48:04,653 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:48:04,653 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] [2018-11-22 21:48:04,653 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:48:04,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:48:04,654 INFO L82 PathProgramCache]: Analyzing trace with hash -588378602, now seen corresponding path program 1 times [2018-11-22 21:48:04,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:48:04,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:48:04,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:04,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:48:04,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:04,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:48:04,781 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/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 [2018-11-22 21:48:04,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:48:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:04,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:48:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:04,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:48:04,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-22 21:48:04,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 21:48:04,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 21:48:04,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-22 21:48:04,895 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 8 states. [2018-11-22 21:48:05,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:48:05,884 INFO L93 Difference]: Finished difference Result 2008 states and 3276 transitions. [2018-11-22 21:48:05,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 21:48:05,886 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2018-11-22 21:48:05,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:48:05,890 INFO L225 Difference]: With dead ends: 2008 [2018-11-22 21:48:05,890 INFO L226 Difference]: Without dead ends: 985 [2018-11-22 21:48:05,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-22 21:48:05,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2018-11-22 21:48:05,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 966. [2018-11-22 21:48:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2018-11-22 21:48:05,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1210 transitions. [2018-11-22 21:48:05,918 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1210 transitions. Word has length 106 [2018-11-22 21:48:05,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:48:05,919 INFO L480 AbstractCegarLoop]: Abstraction has 966 states and 1210 transitions. [2018-11-22 21:48:05,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 21:48:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1210 transitions. [2018-11-22 21:48:05,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-22 21:48:05,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:48:05,922 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:48:05,922 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:48:05,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:48:05,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1483997624, now seen corresponding path program 1 times [2018-11-22 21:48:05,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:48:05,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:48:05,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:05,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:48:05,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:06,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:48:06,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:48:06,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:48:06,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:48:06,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:48:06,001 INFO L87 Difference]: Start difference. First operand 966 states and 1210 transitions. Second operand 3 states. [2018-11-22 21:48:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:48:06,311 INFO L93 Difference]: Finished difference Result 2804 states and 3608 transitions. [2018-11-22 21:48:06,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:48:06,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-11-22 21:48:06,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:48:06,317 INFO L225 Difference]: With dead ends: 2804 [2018-11-22 21:48:06,317 INFO L226 Difference]: Without dead ends: 1844 [2018-11-22 21:48:06,319 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 [2018-11-22 21:48:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2018-11-22 21:48:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1836. [2018-11-22 21:48:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2018-11-22 21:48:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2267 transitions. [2018-11-22 21:48:06,350 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2267 transitions. Word has length 121 [2018-11-22 21:48:06,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:48:06,350 INFO L480 AbstractCegarLoop]: Abstraction has 1836 states and 2267 transitions. [2018-11-22 21:48:06,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:48:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2267 transitions. [2018-11-22 21:48:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-22 21:48:06,353 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:48:06,353 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:48:06,353 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:48:06,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:48:06,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1570219518, now seen corresponding path program 1 times [2018-11-22 21:48:06,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:48:06,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:48:06,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:06,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:48:06,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:48:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:06,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:48:06,479 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/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 [2018-11-22 21:48:06,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:48:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:06,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:48:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:06,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 21:48:06,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-22 21:48:06,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 21:48:06,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 21:48:06,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-22 21:48:06,585 INFO L87 Difference]: Start difference. First operand 1836 states and 2267 transitions. Second operand 8 states. [2018-11-22 21:48:07,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:48:07,728 INFO L93 Difference]: Finished difference Result 6886 states and 9224 transitions. [2018-11-22 21:48:07,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 21:48:07,729 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2018-11-22 21:48:07,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:48:07,730 INFO L225 Difference]: With dead ends: 6886 [2018-11-22 21:48:07,730 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 21:48:07,749 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 165 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-11-22 21:48:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 21:48:07,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 21:48:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 21:48:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 21:48:07,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-11-22 21:48:07,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:48:07,750 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:48:07,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 21:48:07,750 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 21:48:07,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:48:07,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 21:48:07,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:07,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:48:08,258 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-11-22 21:48:08,425 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2018-11-22 21:48:08,555 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 45 [2018-11-22 21:48:08,556 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:48:08,556 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= |old(~a17~0)| ~a17~0) (= |old(~a16~0)| ~a16~0)) [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-22 21:48:08,557 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-22 21:48:08,558 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,559 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,560 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,560 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,560 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,564 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-22 21:48:08,565 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-22 21:48:08,566 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-22 21:48:08,567 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-22 21:48:08,568 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-22 21:48:08,569 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-22 21:48:08,570 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-22 21:48:08,570 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-22 21:48:08,570 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-22 21:48:08,570 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-22 21:48:08,570 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-22 21:48:08,570 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (= |old(~a8~0)| ~a8~0)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse2 (= |old(~a16~0)| ~a16~0))) (let ((.cse3 (and .cse0 .cse1 .cse2)) (.cse4 (= 4 |old(~a16~0)|))) (and (or (and .cse0 (not (= 1 ~a20~0)) .cse1 .cse2) (= 1 |old(~a20~0)|)) (or (< 13 |old(~a8~0)|) .cse3) (or .cse3 (< 0 |old(~a17~0)|)) (or .cse4 (= 1 |old(~a17~0)|) .cse3) (or (and .cse0 .cse2) (= 15 |old(~a8~0)|)) (or .cse3 (= 6 |old(~a16~0)|) .cse4)))) [2018-11-22 21:48:08,570 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-22 21:48:08,571 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,572 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-22 21:48:08,573 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-22 21:48:08,574 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-22 21:48:08,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:48:08,575 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a16~0 6)) (<= 1 ~a17~0) (not (= ~a8~0 13)) (not (= ~a16~0 4))) [2018-11-22 21:48:08,575 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:48:08,575 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:48:08,575 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (and (= |old(~a8~0)| ~a8~0) (= |old(~a17~0)| ~a17~0) (= |old(~a16~0)| ~a16~0)) (= 6 |old(~a16~0)|) (= 4 |old(~a16~0)|) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1)) [2018-11-22 21:48:08,575 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-22 21:48:08,575 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (not (= ~a16~0 4))) (.cse2 (or (= |old(~a8~0)| ~a8~0) .cse0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and (not (= 1 ~a20~0)) .cse2 .cse1) (= 6 |old(~a16~0)|) (and .cse2 (not (= ~a17~0 1)) .cse1 .cse3) (and (= |old(~a17~0)| ~a17~0) (and .cse2 (not (= ~a16~0 6)) .cse1 .cse3)) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1) (and (= 13 ~a8~0) (= |old(~a8~0)| 15)) (and .cse2 (<= ~a17~0 0) (= |old(~a17~0)| 1) .cse1) (= 4 |old(~a16~0)|)))) [2018-11-22 21:48:08,575 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-22 21:48:08,575 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-22 21:48:08,575 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a8~0 15)))) (let ((.cse3 (not (= ~a16~0 4))) (.cse2 (or (= |old(~a8~0)| ~a8~0) .cse0)) (.cse1 (not (= ~a8~0 13)))) (or (and .cse0 .cse1) (and (not (= 1 ~a20~0)) .cse2 .cse1) (= 6 |old(~a16~0)|) (and .cse2 (not (= ~a17~0 1)) .cse1 .cse3) (and (= |old(~a17~0)| ~a17~0) (and .cse2 (not (= ~a16~0 6)) .cse1 .cse3)) (= 13 |old(~a8~0)|) (< |old(~a17~0)| 1) (and (= 13 ~a8~0) (= |old(~a8~0)| 15)) (and .cse2 (<= ~a17~0 0) (= |old(~a17~0)| 1) .cse1) (= 4 |old(~a16~0)|)))) [2018-11-22 21:48:08,576 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-22 21:48:08,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:48:08 BoogieIcfgContainer [2018-11-22 21:48:08,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 21:48:08,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:48:08,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:48:08,590 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:48:08,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:02" (3/4) ... [2018-11-22 21:48:08,595 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:48:08,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 21:48:08,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 21:48:08,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 21:48:08,609 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 21:48:08,610 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 21:48:08,635 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(a8 == 15) && !(a8 == 13)) || ((!(1 == a20) && (\old(a8) == a8 || !(a8 == 15))) && !(a8 == 13))) || 6 == \old(a16)) || ((((\old(a8) == a8 || !(a8 == 15)) && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4))) || (\old(a17) == a17 && (((\old(a8) == a8 || !(a8 == 15)) && !(a16 == 6)) && !(a8 == 13)) && !(a16 == 4))) || 13 == \old(a8)) || \old(a17) < 1) || (13 == a8 && \old(a8) == 15)) || ((((\old(a8) == a8 || !(a8 == 15)) && a17 <= 0) && \old(a17) == 1) && !(a8 == 13))) || 4 == \old(a16) [2018-11-22 21:48:08,697 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4567c5df-e175-4737-9f08-4c09601757f1/bin-2019/uautomizer/witness.graphml [2018-11-22 21:48:08,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:48:08,698 INFO L168 Benchmark]: Toolchain (without parser) took 7305.03 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 331.9 MB). Free memory was 947.4 MB in the beginning and 960.0 MB in the end (delta: -12.6 MB). Peak memory consumption was 319.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:08,699 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:48:08,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.54 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 909.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:08,699 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 909.9 MB in the beginning and 1.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:08,699 INFO L168 Benchmark]: Boogie Preprocessor took 53.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:08,700 INFO L168 Benchmark]: RCFGBuilder took 1033.56 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: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:08,700 INFO L168 Benchmark]: TraceAbstraction took 5671.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.0 GB in the beginning and 976.5 MB in the end (delta: 55.0 MB). Peak memory consumption was 240.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:08,700 INFO L168 Benchmark]: Witness Printer took 107.70 ms. Allocated memory is still 1.4 GB. Free memory was 976.5 MB in the beginning and 960.0 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:08,702 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.54 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 909.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 909.9 MB in the beginning and 1.1 GB in the end (delta: -229.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1033.56 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: 104.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5671.02 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.0 GB in the beginning and 976.5 MB in the end (delta: 55.0 MB). Peak memory consumption was 240.6 MB. Max. memory is 11.5 GB. * Witness Printer took 107.70 ms. Allocated memory is still 1.4 GB. Free memory was 976.5 MB in the beginning and 960.0 MB 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: 443]: 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: (((((((((!(a8 == 15) && !(a8 == 13)) || ((!(1 == a20) && (\old(a8) == a8 || !(a8 == 15))) && !(a8 == 13))) || 6 == \old(a16)) || ((((\old(a8) == a8 || !(a8 == 15)) && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4))) || (\old(a17) == a17 && (((\old(a8) == a8 || !(a8 == 15)) && !(a16 == 6)) && !(a8 == 13)) && !(a16 == 4))) || 13 == \old(a8)) || \old(a17) < 1) || (13 == a8 && \old(a8) == 15)) || ((((\old(a8) == a8 || !(a8 == 15)) && a17 <= 0) && \old(a17) == 1) && !(a8 == 13))) || 4 == \old(a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 660 SDtfs, 2691 SDslu, 446 SDs, 0 SdLazy, 4669 SolverSat, 942 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 284 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1836occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 40 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 104 PreInvPairs, 252 NumberOfFragments, 369 HoareAnnotationTreeSize, 104 FomulaSimplifications, 4180 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2753 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 849 NumberOfCodeBlocks, 849 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 842 ConstructedInterpolants, 0 QuantifiedInterpolants, 357459 SizeOfPredicates, 4 NumberOfNonLiveVariables, 732 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 156/166 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...