./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_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_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/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 936e1fac1e718929285e646469efe9b1619e10b2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 09:05:11,829 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:05:11,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:05:11,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:05:11,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:05:11,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:05:11,841 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:05:11,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:05:11,843 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:05:11,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:05:11,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:05:11,845 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:05:11,847 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:05:11,848 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:05:11,849 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:05:11,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:05:11,850 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:05:11,852 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:05:11,854 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:05:11,855 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:05:11,856 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:05:11,857 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:05:11,860 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:05:11,860 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:05:11,860 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:05:11,861 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:05:11,862 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:05:11,863 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:05:11,864 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:05:11,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:05:11,865 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:05:11,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:05:11,867 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:05:11,867 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:05:11,868 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:05:11,868 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:05:11,869 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 09:05:11,881 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:05:11,881 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:05:11,882 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:05:11,882 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:05:11,883 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:05:11,883 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:05:11,883 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:05:11,883 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:05:11,884 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:05:11,884 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:05:11,884 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:05:11,884 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:05:11,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:05:11,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:05:11,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:05:11,885 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:05:11,885 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:05:11,885 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:05:11,885 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:05:11,885 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:05:11,886 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:05:11,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:05:11,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:05:11,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:05:11,887 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:05:11,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:05:11,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:05:11,888 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:05:11,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:05:11,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:05:11,888 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_0b74b886-0ff7-4a0c-9310-3e67f0018034/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-11-23 09:05:11,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:05:11,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:05:11,929 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:05:11,931 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:05:11,931 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:05:11,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-23 09:05:11,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/data/17fb8c32e/7a3085a5ad534350bb95f373be67a014/FLAG28d5b39bc [2018-11-23 09:05:12,396 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:05:12,397 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-11-23 09:05:12,407 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/data/17fb8c32e/7a3085a5ad534350bb95f373be67a014/FLAG28d5b39bc [2018-11-23 09:05:12,759 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/data/17fb8c32e/7a3085a5ad534350bb95f373be67a014 [2018-11-23 09:05:12,762 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:05:12,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:05:12,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:05:12,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:05:12,766 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:05:12,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:05:12" (1/1) ... [2018-11-23 09:05:12,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f375ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:12, skipping insertion in model container [2018-11-23 09:05:12,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:05:12" (1/1) ... [2018-11-23 09:05:12,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:05:12,822 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:05:13,122 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:05:13,126 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:05:13,205 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:05:13,218 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:05:13,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13 WrapperNode [2018-11-23 09:05:13,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:05:13,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:05:13,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:05:13,219 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:05:13,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:05:13,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:05:13,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:05:13,304 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:05:13,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... [2018-11-23 09:05:13,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:05:13,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:05:13,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:05:13,366 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:05:13,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/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 [2018-11-23 09:05:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 09:05:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:05:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:05:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 09:05:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 09:05:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:05:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:05:13,426 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:05:13,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:05:14,322 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:05:14,323 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 09:05:14,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:05:14 BoogieIcfgContainer [2018-11-23 09:05:14,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:05:14,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:05:14,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:05:14,327 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:05:14,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:05:12" (1/3) ... [2018-11-23 09:05:14,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb41759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:05:14, skipping insertion in model container [2018-11-23 09:05:14,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:05:13" (2/3) ... [2018-11-23 09:05:14,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb41759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:05:14, skipping insertion in model container [2018-11-23 09:05:14,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:05:14" (3/3) ... [2018-11-23 09:05:14,330 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label41_true-unreach-call_false-termination.c [2018-11-23 09:05:14,338 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:05:14,344 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:05:14,356 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:05:14,381 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:05:14,382 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:05:14,382 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:05:14,382 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:05:14,382 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:05:14,383 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:05:14,383 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:05:14,383 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:05:14,383 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:05:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 09:05:14,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 09:05:14,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:14,411 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] [2018-11-23 09:05:14,413 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:14,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:14,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2018-11-23 09:05:14,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:14,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:14,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:14,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:14,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:14,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:05:14,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:05:14,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:05:14,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:05:14,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:05:14,756 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 09:05:15,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:15,508 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 09:05:15,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:05:15,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-11-23 09:05:15,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:15,527 INFO L225 Difference]: With dead ends: 547 [2018-11-23 09:05:15,527 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 09:05:15,531 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 [2018-11-23 09:05:15,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 09:05:15,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 09:05:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 09:05:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 09:05:15,580 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 91 [2018-11-23 09:05:15,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:15,581 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 09:05:15,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:05:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 09:05:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 09:05:15,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:15,586 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] [2018-11-23 09:05:15,586 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:15,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:15,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2018-11-23 09:05:15,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:15,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:15,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:15,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:15,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:15,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:05:15,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:05:15,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:05:15,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:05:15,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:05:15,685 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 09:05:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:16,475 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 09:05:16,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:05:16,475 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2018-11-23 09:05:16,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:16,479 INFO L225 Difference]: With dead ends: 881 [2018-11-23 09:05:16,480 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 09:05:16,482 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 [2018-11-23 09:05:16,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 09:05:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 09:05:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 09:05:16,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 09:05:16,508 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 101 [2018-11-23 09:05:16,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:16,508 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 09:05:16,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:05:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 09:05:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 09:05:16,510 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:16,511 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] [2018-11-23 09:05:16,511 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:16,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:16,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2018-11-23 09:05:16,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:16,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:16,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:16,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:16,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:16,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:05:16,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:05:16,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:05:16,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:05:16,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:05:16,609 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 3 states. [2018-11-23 09:05:16,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:16,990 INFO L93 Difference]: Finished difference Result 1521 states and 2423 transitions. [2018-11-23 09:05:16,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:05:16,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-11-23 09:05:16,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:16,995 INFO L225 Difference]: With dead ends: 1521 [2018-11-23 09:05:16,995 INFO L226 Difference]: Without dead ends: 991 [2018-11-23 09:05:16,997 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 [2018-11-23 09:05:16,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-11-23 09:05:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2018-11-23 09:05:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2018-11-23 09:05:17,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1482 transitions. [2018-11-23 09:05:17,028 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1482 transitions. Word has length 102 [2018-11-23 09:05:17,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:17,028 INFO L480 AbstractCegarLoop]: Abstraction has 991 states and 1482 transitions. [2018-11-23 09:05:17,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:05:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1482 transitions. [2018-11-23 09:05:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 09:05:17,032 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:17,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:05:17,032 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:17,032 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:17,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1016446174, now seen corresponding path program 1 times [2018-11-23 09:05:17,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:17,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:17,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:17,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:17,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:17,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:05:17,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:05:17,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:05:17,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:05:17,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:05:17,146 INFO L87 Difference]: Start difference. First operand 991 states and 1482 transitions. Second operand 6 states. [2018-11-23 09:05:17,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:17,951 INFO L93 Difference]: Finished difference Result 2904 states and 4593 transitions. [2018-11-23 09:05:17,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:05:17,953 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 116 [2018-11-23 09:05:17,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:17,961 INFO L225 Difference]: With dead ends: 2904 [2018-11-23 09:05:17,961 INFO L226 Difference]: Without dead ends: 1919 [2018-11-23 09:05:17,965 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 [2018-11-23 09:05:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2018-11-23 09:05:18,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1870. [2018-11-23 09:05:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-11-23 09:05:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2645 transitions. [2018-11-23 09:05:18,011 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2645 transitions. Word has length 116 [2018-11-23 09:05:18,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:18,012 INFO L480 AbstractCegarLoop]: Abstraction has 1870 states and 2645 transitions. [2018-11-23 09:05:18,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:05:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2645 transitions. [2018-11-23 09:05:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-23 09:05:18,015 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:18,016 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, 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] [2018-11-23 09:05:18,016 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:18,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:18,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1605716217, now seen corresponding path program 1 times [2018-11-23 09:05:18,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:18,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:18,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:18,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:18,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:18,102 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:05:18,102 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/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 [2018-11-23 09:05:18,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:18,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:18,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:05:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:18,244 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:05:18,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 09:05:18,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:05:18,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:05:18,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:05:18,245 INFO L87 Difference]: Start difference. First operand 1870 states and 2645 transitions. Second operand 7 states. [2018-11-23 09:05:18,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:18,861 INFO L93 Difference]: Finished difference Result 4332 states and 6405 transitions. [2018-11-23 09:05:18,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:05:18,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2018-11-23 09:05:18,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:18,872 INFO L225 Difference]: With dead ends: 4332 [2018-11-23 09:05:18,873 INFO L226 Difference]: Without dead ends: 2468 [2018-11-23 09:05:18,877 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:05:18,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2468 states. [2018-11-23 09:05:18,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2468 to 2426. [2018-11-23 09:05:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2426 states. [2018-11-23 09:05:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3424 transitions. [2018-11-23 09:05:18,933 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3424 transitions. Word has length 133 [2018-11-23 09:05:18,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:18,933 INFO L480 AbstractCegarLoop]: Abstraction has 2426 states and 3424 transitions. [2018-11-23 09:05:18,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:05:18,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3424 transitions. [2018-11-23 09:05:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 09:05:18,938 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:18,938 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, 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] [2018-11-23 09:05:18,939 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:18,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:18,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1001122943, now seen corresponding path program 1 times [2018-11-23 09:05:18,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:18,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:18,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:18,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:18,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:19,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:05:19,076 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/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 [2018-11-23 09:05:19,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:19,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:05:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 24 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 09:05:19,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:05:19,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 09:05:19,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:05:19,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:05:19,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:05:19,272 INFO L87 Difference]: Start difference. First operand 2426 states and 3424 transitions. Second operand 8 states. [2018-11-23 09:05:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:20,982 INFO L93 Difference]: Finished difference Result 6136 states and 9234 transitions. [2018-11-23 09:05:20,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 09:05:20,983 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 137 [2018-11-23 09:05:20,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:21,007 INFO L225 Difference]: With dead ends: 6136 [2018-11-23 09:05:21,008 INFO L226 Difference]: Without dead ends: 3716 [2018-11-23 09:05:21,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2018-11-23 09:05:21,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3716 states. [2018-11-23 09:05:21,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3716 to 3305. [2018-11-23 09:05:21,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3305 states. [2018-11-23 09:05:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 4259 transitions. [2018-11-23 09:05:21,140 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 4259 transitions. Word has length 137 [2018-11-23 09:05:21,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:21,141 INFO L480 AbstractCegarLoop]: Abstraction has 3305 states and 4259 transitions. [2018-11-23 09:05:21,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:05:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 4259 transitions. [2018-11-23 09:05:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 09:05:21,149 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:21,149 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:05:21,150 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:21,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:21,150 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2018-11-23 09:05:21,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:21,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:21,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:21,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:21,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:21,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:05:21,299 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:05:21,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:21,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:05:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:05:21,440 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:05:21,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 7 [2018-11-23 09:05:21,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:05:21,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:05:21,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:05:21,442 INFO L87 Difference]: Start difference. First operand 3305 states and 4259 transitions. Second operand 7 states. [2018-11-23 09:05:22,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:22,148 INFO L93 Difference]: Finished difference Result 7662 states and 10350 transitions. [2018-11-23 09:05:22,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:05:22,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2018-11-23 09:05:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:22,168 INFO L225 Difference]: With dead ends: 7662 [2018-11-23 09:05:22,168 INFO L226 Difference]: Without dead ends: 4363 [2018-11-23 09:05:22,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:05:22,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4363 states. [2018-11-23 09:05:22,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4363 to 4299. [2018-11-23 09:05:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4299 states. [2018-11-23 09:05:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 4299 states and 5628 transitions. [2018-11-23 09:05:22,314 INFO L78 Accepts]: Start accepts. Automaton has 4299 states and 5628 transitions. Word has length 157 [2018-11-23 09:05:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:22,315 INFO L480 AbstractCegarLoop]: Abstraction has 4299 states and 5628 transitions. [2018-11-23 09:05:22,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:05:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 5628 transitions. [2018-11-23 09:05:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 09:05:22,327 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:22,328 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:05:22,328 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:22,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:22,328 INFO L82 PathProgramCache]: Analyzing trace with hash 97285180, now seen corresponding path program 1 times [2018-11-23 09:05:22,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:22,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:22,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:22,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:22,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 84 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 09:05:22,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:05:22,432 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:05:22,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:22,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:05:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 98 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 09:05:22,602 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:05:22,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 09:05:22,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 09:05:22,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 09:05:22,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:05:22,604 INFO L87 Difference]: Start difference. First operand 4299 states and 5628 transitions. Second operand 9 states. [2018-11-23 09:05:24,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:24,506 INFO L93 Difference]: Finished difference Result 9061 states and 12521 transitions. [2018-11-23 09:05:24,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 09:05:24,507 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 173 [2018-11-23 09:05:24,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:24,523 INFO L225 Difference]: With dead ends: 9061 [2018-11-23 09:05:24,523 INFO L226 Difference]: Without dead ends: 4768 [2018-11-23 09:05:24,531 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=190, Invalid=622, Unknown=0, NotChecked=0, Total=812 [2018-11-23 09:05:24,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4768 states. [2018-11-23 09:05:24,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4768 to 4572. [2018-11-23 09:05:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4572 states. [2018-11-23 09:05:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4572 states to 4572 states and 5729 transitions. [2018-11-23 09:05:24,623 INFO L78 Accepts]: Start accepts. Automaton has 4572 states and 5729 transitions. Word has length 173 [2018-11-23 09:05:24,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:24,623 INFO L480 AbstractCegarLoop]: Abstraction has 4572 states and 5729 transitions. [2018-11-23 09:05:24,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 09:05:24,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4572 states and 5729 transitions. [2018-11-23 09:05:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 09:05:24,630 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:05:24,631 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:05:24,631 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:05:24,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:05:24,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1408801773, now seen corresponding path program 1 times [2018-11-23 09:05:24,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:05:24,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:05:24,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:24,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:24,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:05:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 109 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 09:05:24,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:05:24,739 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:05:24,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:05:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:05:24,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:05:24,856 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 86 proven. 54 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 09:05:24,921 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 09:05:24,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2018-11-23 09:05:24,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:05:24,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:05:24,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:05:24,922 INFO L87 Difference]: Start difference. First operand 4572 states and 5729 transitions. Second operand 8 states. [2018-11-23 09:05:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:05:26,822 INFO L93 Difference]: Finished difference Result 14123 states and 18734 transitions. [2018-11-23 09:05:26,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 09:05:26,822 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 195 [2018-11-23 09:05:26,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:05:26,822 INFO L225 Difference]: With dead ends: 14123 [2018-11-23 09:05:26,822 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:05:26,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2018-11-23 09:05:26,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:05:26,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:05:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:05:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:05:26,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2018-11-23 09:05:26,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:05:26,859 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:05:26,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:05:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:05:26,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:05:26,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:05:27,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,443 WARN L180 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 258 [2018-11-23 09:05:27,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:05:27,752 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 258 [2018-11-23 09:05:28,369 WARN L180 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 50 [2018-11-23 09:05:29,287 WARN L180 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 53 [2018-11-23 09:05:30,223 WARN L180 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 53 [2018-11-23 09:05:30,226 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:05:30,226 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 09:05:30,226 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 09:05:30,227 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,228 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 09:05:30,229 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,230 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 09:05:30,231 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 09:05:30,232 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,233 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 09:05:30,234 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,235 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 09:05:30,236 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 09:05:30,237 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 09:05:30,238 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 09:05:30,239 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= 6 |old(~a16~0)|)) (.cse16 (< 0 |old(~a21~0)|)) (.cse7 (= ~a7~0 |old(~a7~0)|)) (.cse8 (= |old(~a8~0)| ~a8~0)) (.cse14 (= ~a17~0 |old(~a17~0)|)) (.cse9 (= |old(~a16~0)| ~a16~0)) (.cse10 (= ~a20~0 |old(~a20~0)|)) (.cse11 (= ~a21~0 |old(~a21~0)|))) (let ((.cse1 (and .cse7 .cse8 .cse14 .cse9 .cse10 .cse11)) (.cse0 (or .cse3 .cse16)) (.cse5 (= 13 |old(~a8~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse6 (and .cse7 .cse8 .cse14 .cse15 (= 1 ~a21~0) .cse10)) (.cse12 (not (= 1 |old(~a17~0)|))) (.cse13 (not (= 1 |old(~a20~0)|))) (.cse2 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse1) (or .cse4 .cse5 .cse2 .cse6) (or (and .cse7 .cse8 .cse9 .cse10 .cse11 (= 1 ~a17~0)) .cse0 .cse12) (or .cse4 .cse6 .cse5 .cse12) (or .cse4 .cse13 .cse6 .cse12) (or .cse13 .cse2 (and .cse11 .cse7 .cse8 .cse14 .cse15 .cse10) .cse16)))) [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 09:05:30,240 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,241 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 09:05:30,242 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,243 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 09:05:30,244 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 09:05:30,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:05:30,245 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 13)) (= ~a16~0 5) (= 1 ~a17~0)) [2018-11-23 09:05:30,245 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:05:30,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:05:30,245 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (= 13 |old(~a8~0)|) (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-23 09:05:30,245 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 09:05:30,245 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (= ~a16~0 6))) (.cse1 (<= ~a21~0 0)) (.cse5 (= 1 ~a20~0)) (.cse8 (<= ~a17~0 0)) (.cse7 (= 1 ~a21~0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1)))) (.cse6 (not (= ~a8~0 13))) (.cse3 (= 1 ~a17~0))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (and (and (and .cse5 .cse6) .cse7) (= ~a16~0 5) .cse3)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse8 .cse4) (and .cse7 .cse8 .cse4 .cse6) (and .cse2 .cse7 .cse8 .cse4) (= 13 |old(~a8~0)|) (and .cse1 .cse5 .cse8 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse4 .cse6 .cse3)))) [2018-11-23 09:05:30,245 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 09:05:30,246 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 09:05:30,246 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~a21~0)|)))) (let ((.cse2 (not (= ~a16~0 6))) (.cse1 (<= ~a21~0 0)) (.cse5 (= 1 ~a20~0)) (.cse8 (<= ~a17~0 0)) (.cse7 (= 1 ~a21~0)) (.cse4 (or .cse0 (not (= |old(~a7~0)| 1)))) (.cse6 (not (= ~a8~0 13))) (.cse3 (= 1 ~a17~0))) (or .cse0 (and (and .cse1 .cse2 .cse3) .cse4) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (and (and (and .cse5 .cse6) .cse7) (= ~a16~0 5) .cse3)) (and .cse5 .cse4 .cse7 .cse3) (and .cse1 .cse2 .cse8 .cse4) (and .cse7 .cse8 .cse4 .cse6) (and .cse2 .cse7 .cse8 .cse4) (= 13 |old(~a8~0)|) (and .cse1 .cse5 .cse8 .cse4) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse4 .cse6 .cse3)))) [2018-11-23 09:05:30,246 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 09:05:30,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:05:30 BoogieIcfgContainer [2018-11-23 09:05:30,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:05:30,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:05:30,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:05:30,269 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:05:30,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:05:14" (3/4) ... [2018-11-23 09:05:30,274 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:05:30,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:05:30,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 09:05:30,284 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:05:30,295 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 09:05:30,296 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 09:05:30,327 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (a7 == \old(a7) && (((1 == a20 && !(a8 == 13)) && 1 == a21) && a16 == 5) && 1 == a17)) || (((1 == a20 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a21) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17) [2018-11-23 09:05:30,406 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0b74b886-0ff7-4a0c-9310-3e67f0018034/bin-2019/uautomizer/witness.graphml [2018-11-23 09:05:30,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:05:30,407 INFO L168 Benchmark]: Toolchain (without parser) took 17645.51 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 651.2 MB). Free memory was 945.7 MB in the beginning and 1.5 GB in the end (delta: -507.5 MB). Peak memory consumption was 143.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:05:30,408 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:05:30,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.78 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 913.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:05:30,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 913.4 MB in the beginning and 1.2 GB in the end (delta: -250.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-23 09:05:30,409 INFO L168 Benchmark]: Boogie Preprocessor took 61.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 09:05:30,409 INFO L168 Benchmark]: RCFGBuilder took 957.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:05:30,409 INFO L168 Benchmark]: TraceAbstraction took 15942.68 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 480.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -434.7 MB). Peak memory consumption was 583.9 MB. Max. memory is 11.5 GB. [2018-11-23 09:05:30,410 INFO L168 Benchmark]: Witness Printer took 139.70 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. [2018-11-23 09:05:30,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 455.78 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 913.4 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 913.4 MB in the beginning and 1.2 GB in the end (delta: -250.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 957.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 107.9 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15942.68 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 480.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -434.7 MB). Peak memory consumption was 583.9 MB. Max. memory is 11.5 GB. * Witness Printer took 139.70 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 31.4 MB). Peak memory consumption was 31.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a21)) || (((a21 <= 0 && !(a16 == 6)) && 1 == a17) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a20))) || !(5 == \old(a16))) || (a7 == \old(a7) && (((1 == a20 && !(a8 == 13)) && 1 == a21) && a16 == 5) && 1 == a17)) || (((1 == a20 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && 1 == a21) && 1 == a17)) || (((a21 <= 0 && !(a16 == 6)) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || (((1 == a21 && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13))) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || 13 == \old(a8)) || (((a21 <= 0 && 1 == a20) && a17 <= 0) && (!(1 == \old(a21)) || !(\old(a7) == 1)))) || !(1 == \old(a17))) || (((1 == a21 && (!(1 == \old(a21)) || !(\old(a7) == 1))) && !(a8 == 13)) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 15.8s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 9.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 884 SDtfs, 6882 SDslu, 1152 SDs, 0 SdLazy, 11280 SolverSat, 2386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 944 GetRequests, 839 SyntacticMatches, 6 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4572occurred in iteration=8, 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 775 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 190 PreInvPairs, 342 NumberOfFragments, 662 HoareAnnotationTreeSize, 190 FomulaSimplifications, 104310 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 50699 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2000 NumberOfCodeBlocks, 2000 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1986 ConstructedInterpolants, 0 QuantifiedInterpolants, 667073 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2376 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 809/939 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...