./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_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_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/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 aac67f6dc6529e5dab098a5e1960c3e19b78df96 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:23:35,895 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:23:35,896 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:23:35,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:23:35,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:23:35,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:23:35,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:23:35,906 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:23:35,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:23:35,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:23:35,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:23:35,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:23:35,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:23:35,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:23:35,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:23:35,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:23:35,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:23:35,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:23:35,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:23:35,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:23:35,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:23:35,917 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:23:35,919 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:23:35,919 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:23:35,919 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:23:35,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:23:35,921 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:23:35,921 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:23:35,922 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:23:35,923 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:23:35,923 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:23:35,923 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:23:35,923 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:23:35,924 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:23:35,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:23:35,925 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:23:35,925 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:23:35,933 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:23:35,933 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:23:35,934 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:23:35,934 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:23:35,935 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:23:35,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:23:35,935 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:23:35,935 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:23:35,935 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:23:35,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:23:35,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:23:35,936 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:23:35,936 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:23:35,936 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:23:35,936 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:23:35,937 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:23:35,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:23:35,937 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:23:35,937 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:23:35,937 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:23:35,937 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:23:35,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:23:35,938 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:23:35,938 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:23:35,938 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:23:35,938 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:23:35,938 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:23:35,938 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:23:35,939 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:23:35,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:23:35,939 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_cea22cdb-2853-48fa-9b3d-18d4208bc804/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 -> aac67f6dc6529e5dab098a5e1960c3e19b78df96 [2018-11-23 08:23:35,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:23:35,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:23:35,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:23:35,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:23:35,980 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:23:35,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-11-23 08:23:36,028 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/data/f2f99766c/e98b47da66bb4fe28d4e32d9c35b8b07/FLAGd538362f5 [2018-11-23 08:23:36,449 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:23:36,450 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-11-23 08:23:36,460 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/data/f2f99766c/e98b47da66bb4fe28d4e32d9c35b8b07/FLAGd538362f5 [2018-11-23 08:23:36,795 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/data/f2f99766c/e98b47da66bb4fe28d4e32d9c35b8b07 [2018-11-23 08:23:36,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:23:36,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:23:36,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:36,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:23:36,804 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:23:36,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:36" (1/1) ... [2018-11-23 08:23:36,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d553a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:36, skipping insertion in model container [2018-11-23 08:23:36,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:36" (1/1) ... [2018-11-23 08:23:36,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:23:36,852 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:23:37,115 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:37,118 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:23:37,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:37,212 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:23:37,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37 WrapperNode [2018-11-23 08:23:37,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:37,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:37,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:23:37,213 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:23:37,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:37,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:23:37,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:23:37,308 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:23:37,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... [2018-11-23 08:23:37,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:23:37,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:23:37,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:23:37,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:23:37,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/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 08:23:37,423 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:23:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:23:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:23:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 08:23:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 08:23:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:23:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:23:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:23:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:23:38,247 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:23:38,248 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:23:38,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:38 BoogieIcfgContainer [2018-11-23 08:23:38,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:23:38,249 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:23:38,249 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:23:38,252 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:23:38,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:23:36" (1/3) ... [2018-11-23 08:23:38,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79700ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:38, skipping insertion in model container [2018-11-23 08:23:38,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:37" (2/3) ... [2018-11-23 08:23:38,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79700ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:38, skipping insertion in model container [2018-11-23 08:23:38,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:38" (3/3) ... [2018-11-23 08:23:38,255 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label17_true-unreach-call_false-termination.c [2018-11-23 08:23:38,263 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:23:38,269 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:23:38,281 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:23:38,305 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:23:38,306 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:23:38,306 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:23:38,306 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:23:38,306 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:23:38,306 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:23:38,306 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:23:38,307 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:23:38,307 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:23:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 08:23:38,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 08:23:38,336 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:38,336 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:38,339 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:38,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:38,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1778503114, now seen corresponding path program 1 times [2018-11-23 08:23:38,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:38,345 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:38,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:38,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:38,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:38,678 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 08:23:38,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:38,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:23:38,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:23:38,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:23:38,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:38,696 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 08:23:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:39,395 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 08:23:39,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:23:39,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2018-11-23 08:23:39,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:39,409 INFO L225 Difference]: With dead ends: 547 [2018-11-23 08:23:39,409 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 08:23:39,414 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 08:23:39,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 08:23:39,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 08:23:39,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 08:23:39,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 569 transitions. [2018-11-23 08:23:39,466 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 569 transitions. Word has length 122 [2018-11-23 08:23:39,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:39,466 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 569 transitions. [2018-11-23 08:23:39,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:23:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 569 transitions. [2018-11-23 08:23:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 08:23:39,470 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:39,470 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:39,471 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:39,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:39,471 INFO L82 PathProgramCache]: Analyzing trace with hash -850587645, now seen corresponding path program 1 times [2018-11-23 08:23:39,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:39,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:39,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:39,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:39,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:39,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:39,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:23:39,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:23:39,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:23:39,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:39,608 INFO L87 Difference]: Start difference. First operand 338 states and 569 transitions. Second operand 3 states. [2018-11-23 08:23:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:40,007 INFO L93 Difference]: Finished difference Result 940 states and 1648 transitions. [2018-11-23 08:23:40,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:23:40,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-11-23 08:23:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:40,012 INFO L225 Difference]: With dead ends: 940 [2018-11-23 08:23:40,012 INFO L226 Difference]: Without dead ends: 608 [2018-11-23 08:23:40,015 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 08:23:40,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2018-11-23 08:23:40,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2018-11-23 08:23:40,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 608 states. [2018-11-23 08:23:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 983 transitions. [2018-11-23 08:23:40,045 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 983 transitions. Word has length 139 [2018-11-23 08:23:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:40,046 INFO L480 AbstractCegarLoop]: Abstraction has 608 states and 983 transitions. [2018-11-23 08:23:40,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:23:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 983 transitions. [2018-11-23 08:23:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 08:23:40,050 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:40,050 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:23:40,051 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:40,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:40,051 INFO L82 PathProgramCache]: Analyzing trace with hash 252066703, now seen corresponding path program 1 times [2018-11-23 08:23:40,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:40,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:40,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:40,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:40,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:40,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:40,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:23:40,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:23:40,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:23:40,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:23:40,169 INFO L87 Difference]: Start difference. First operand 608 states and 983 transitions. Second operand 6 states. [2018-11-23 08:23:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:40,807 INFO L93 Difference]: Finished difference Result 1613 states and 2635 transitions. [2018-11-23 08:23:40,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:23:40,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-11-23 08:23:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:40,813 INFO L225 Difference]: With dead ends: 1613 [2018-11-23 08:23:40,814 INFO L226 Difference]: Without dead ends: 1011 [2018-11-23 08:23:40,816 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 08:23:40,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2018-11-23 08:23:40,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 1003. [2018-11-23 08:23:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2018-11-23 08:23:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1450 transitions. [2018-11-23 08:23:40,848 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1450 transitions. Word has length 165 [2018-11-23 08:23:40,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:40,849 INFO L480 AbstractCegarLoop]: Abstraction has 1003 states and 1450 transitions. [2018-11-23 08:23:40,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:23:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1450 transitions. [2018-11-23 08:23:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 08:23:40,852 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:40,852 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:40,853 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:40,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:40,853 INFO L82 PathProgramCache]: Analyzing trace with hash -159860650, now seen corresponding path program 1 times [2018-11-23 08:23:40,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:40,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:40,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:40,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:40,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:40,994 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:40,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:40,994 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/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 08:23:41,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:41,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:23:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:41,203 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:23:41,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-11-23 08:23:41,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:23:41,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:23:41,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:23:41,205 INFO L87 Difference]: Start difference. First operand 1003 states and 1450 transitions. Second operand 9 states. [2018-11-23 08:23:43,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:43,289 INFO L93 Difference]: Finished difference Result 3813 states and 6405 transitions. [2018-11-23 08:23:43,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-23 08:23:43,290 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-11-23 08:23:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:43,307 INFO L225 Difference]: With dead ends: 3813 [2018-11-23 08:23:43,307 INFO L226 Difference]: Without dead ends: 2816 [2018-11-23 08:23:43,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 08:23:43,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2816 states. [2018-11-23 08:23:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2816 to 2612. [2018-11-23 08:23:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2612 states. [2018-11-23 08:23:43,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2612 states and 3391 transitions. [2018-11-23 08:23:43,390 INFO L78 Accepts]: Start accepts. Automaton has 2612 states and 3391 transitions. Word has length 176 [2018-11-23 08:23:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:43,391 INFO L480 AbstractCegarLoop]: Abstraction has 2612 states and 3391 transitions. [2018-11-23 08:23:43,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:23:43,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3391 transitions. [2018-11-23 08:23:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-23 08:23:43,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:43,396 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:43,397 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:43,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:43,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1189492770, now seen corresponding path program 1 times [2018-11-23 08:23:43,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:43,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:43,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:43,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:43,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:43,525 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 08:23:43,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:43,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:23:43,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:23:43,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:23:43,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:43,526 INFO L87 Difference]: Start difference. First operand 2612 states and 3391 transitions. Second operand 3 states. [2018-11-23 08:23:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:43,900 INFO L93 Difference]: Finished difference Result 6851 states and 9047 transitions. [2018-11-23 08:23:43,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:23:43,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-11-23 08:23:43,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:43,901 INFO L225 Difference]: With dead ends: 6851 [2018-11-23 08:23:43,901 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:23:43,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:23:43,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:23:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:23:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:23:43,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-11-23 08:23:43,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:43,913 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:23:43,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:23:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:23:43,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:23:43,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:23:43,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:43,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:43,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:43,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:43,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:43,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:23:44,350 WARN L180 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 41 [2018-11-23 08:23:44,455 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:23:44,455 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a16~0 |old(~a16~0)|) (= |old(~a8~0)| ~a8~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-23 08:23:44,455 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 08:23:44,456 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,457 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 08:23:44,458 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 08:23:44,459 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 08:23:44,459 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 08:23:44,459 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 08:23:44,459 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 08:23:44,459 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 08:23:44,462 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 08:23:44,463 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 08:23:44,464 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 08:23:44,465 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,466 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 08:23:44,467 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 08:23:44,468 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 08:23:44,469 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 08:23:44,470 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 08:23:44,471 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 08:23:44,472 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 08:23:44,472 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 08:23:44,472 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 08:23:44,472 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 08:23:44,472 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 08:23:44,472 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 08:23:44,472 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse8 (<= ~a16~0 |old(~a16~0)|)) (.cse9 (= |old(~a8~0)| ~a8~0)) (.cse4 (= 1 ~a20~0)) (.cse10 (= ~a21~0 |old(~a21~0)|))) (let ((.cse1 (not (= 1 |old(~a20~0)|))) (.cse6 (and .cse8 .cse9 .cse4 .cse10)) (.cse12 (and .cse8 .cse9 .cse10)) (.cse2 (= 14 |old(~a8~0)|)) (.cse7 (= 13 |old(~a8~0)|)) (.cse0 (not (= ~a17~0 1))) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse11 (< 4 |old(~a16~0)|)) (.cse3 (= 1 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse3) (or .cse1 .cse2 .cse6) (or .cse5 .cse7 (and .cse8 .cse9 .cse0 .cse10) .cse3) (or .cse5 .cse1 .cse11 .cse6) (or .cse12 .cse11 .cse2) (or .cse5 .cse12 .cse2 .cse7) (or .cse0 .cse5 .cse11 .cse3)))) [2018-11-23 08:23:44,472 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 08:23:44,473 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 08:23:44,474 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 08:23:44,475 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 08:23:44,476 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 08:23:44,477 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 08:23:44,477 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 08:23:44,477 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:23:44,477 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 14)) (not (= ~a8~0 13))) [2018-11-23 08:23:44,477 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:23:44,477 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:23:44,477 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)|)) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (<= ~a16~0 |old(~a16~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a20~0) (= ~a21~0 |old(~a21~0)|))) [2018-11-23 08:23:44,477 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 08:23:44,477 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~a8~0 13))) (.cse3 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse1 (not (= ~a8~0 14))) (.cse4 (<= ~a16~0 4))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and .cse3 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a17~0 1)) .cse2) (and .cse3 .cse0 .cse4) (and .cse1 .cse4))) [2018-11-23 08:23:44,478 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 08:23:44,481 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 08:23:44,481 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse2 (not (= ~a8~0 13))) (.cse3 (= 1 ~a20~0)) (.cse0 (= 1 ~a21~0)) (.cse1 (not (= ~a8~0 14))) (.cse4 (<= ~a16~0 4))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and .cse3 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse0 (not (= ~a17~0 1)) .cse2) (and .cse3 .cse0 .cse4) (and .cse1 .cse4))) [2018-11-23 08:23:44,481 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 08:23:44,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:23:44 BoogieIcfgContainer [2018-11-23 08:23:44,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:23:44,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:23:44,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:23:44,501 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:23:44,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:38" (3/4) ... [2018-11-23 08:23:44,504 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:23:44,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:23:44,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 08:23:44,510 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:23:44,518 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 08:23:44,519 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:23:44,541 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == \old(a21)) || ((1 == a21 && !(a8 == 14)) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (1 == a20 && !(a8 == 14))) || !(1 == \old(a20))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || ((1 == a20 && 1 == a21) && a16 <= 4)) || (!(a8 == 14) && a16 <= 4) [2018-11-23 08:23:44,619 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cea22cdb-2853-48fa-9b3d-18d4208bc804/bin-2019/uautomizer/witness.graphml [2018-11-23 08:23:44,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:23:44,620 INFO L168 Benchmark]: Toolchain (without parser) took 7821.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:44,621 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:23:44,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:44,621 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:44,621 INFO L168 Benchmark]: Boogie Preprocessor took 60.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:44,622 INFO L168 Benchmark]: RCFGBuilder took 879.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:44,622 INFO L168 Benchmark]: TraceAbstraction took 6251.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -131.7 MB). Peak memory consumption was 282.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:44,622 INFO L168 Benchmark]: Witness Printer took 118.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:23:44,624 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 412.47 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -212.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 879.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6251.47 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -131.7 MB). Peak memory consumption was 282.0 MB. Max. memory is 11.5 GB. * Witness Printer took 118.76 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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)) || ((1 == a21 && !(a8 == 14)) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (1 == a20 && !(a8 == 14))) || !(1 == \old(a20))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || ((1 == a20 && 1 == a21) && a16 <= 4)) || (!(a8 == 14) && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 724 SDtfs, 2505 SDslu, 501 SDs, 0 SdLazy, 4394 SolverSat, 1162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 199 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2612occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 212 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 57 PreInvPairs, 105 NumberOfFragments, 342 HoareAnnotationTreeSize, 57 FomulaSimplifications, 4730 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 891 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 958 NumberOfCodeBlocks, 958 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 393469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 235/239 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...