java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label04_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:35:20,946 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:35:20,950 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:35:20,967 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:35:20,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:35:20,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:35:20,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:35:20,974 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:35:20,976 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:35:20,985 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:35:20,986 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:35:20,986 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:35:20,987 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:35:20,991 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:35:20,992 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:35:20,994 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:35:20,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:35:20,999 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:35:21,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:35:21,004 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:35:21,005 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:35:21,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:35:21,012 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:35:21,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:35:21,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:35:21,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:35:21,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:35:21,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:35:21,019 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:35:21,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:35:21,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:35:21,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:35:21,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:35:21,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:35:21,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:35:21,024 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:35:21,026 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 20:35:21,050 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:35:21,051 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:35:21,051 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:35:21,052 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:35:21,053 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:35:21,053 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:35:21,054 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:35:21,054 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:35:21,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:35:21,054 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:35:21,054 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:35:21,054 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:35:21,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:35:21,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:35:21,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:35:21,056 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:35:21,056 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:35:21,057 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:35:21,057 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:35:21,057 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:35:21,057 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:35:21,057 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:35:21,057 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:35:21,058 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:35:21,059 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:35:21,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:35:21,059 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:35:21,059 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 20:35:21,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:35:21,141 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:35:21,145 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:35:21,147 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:35:21,147 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:35:21,148 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label04_true-unreach-call.c [2018-10-26 20:35:21,223 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/66fc8b73e/a8d549dee8964682987e1eadf6639e57/FLAG7704c6a5d [2018-10-26 20:35:23,156 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:35:23,157 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label04_true-unreach-call.c [2018-10-26 20:35:23,344 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/66fc8b73e/a8d549dee8964682987e1eadf6639e57/FLAG7704c6a5d [2018-10-26 20:35:23,360 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/66fc8b73e/a8d549dee8964682987e1eadf6639e57 [2018-10-26 20:35:23,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:35:23,376 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:35:23,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:35:23,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:35:23,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:35:23,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:35:23" (1/1) ... [2018-10-26 20:35:23,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6148f0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:23, skipping insertion in model container [2018-10-26 20:35:23,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:35:23" (1/1) ... [2018-10-26 20:35:23,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:35:24,943 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:35:36,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:35:36,028 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:35:42,872 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:35:43,818 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:35:43,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43 WrapperNode [2018-10-26 20:35:43,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:35:43,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:35:43,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:35:43,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:35:43,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:44,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:49,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:35:49,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:35:49,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:35:49,620 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:35:49,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:49,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:49,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:49,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:50,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:51,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:51,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... [2018-10-26 20:35:51,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:35:51,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:35:51,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:35:51,893 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:35:51,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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 [2018-10-26 20:35:51,969 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 20:35:51,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:35:51,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:36:48,612 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:36:48,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:36:48 BoogieIcfgContainer [2018-10-26 20:36:48,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:36:48,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:36:48,614 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:36:48,618 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:36:48,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:35:23" (1/3) ... [2018-10-26 20:36:48,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155bff5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:36:48, skipping insertion in model container [2018-10-26 20:36:48,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:35:43" (2/3) ... [2018-10-26 20:36:48,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155bff5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:36:48, skipping insertion in model container [2018-10-26 20:36:48,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:36:48" (3/3) ... [2018-10-26 20:36:48,622 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label04_true-unreach-call.c [2018-10-26 20:36:48,632 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:36:48,648 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:36:48,670 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:36:48,760 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:36:48,761 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:36:48,761 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:36:48,762 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:36:48,762 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:36:48,762 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:36:48,762 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:36:48,762 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:36:48,762 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:36:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 10258 states. [2018-10-26 20:36:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10125 [2018-10-26 20:36:49,871 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:36:49,878 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:36:49,884 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:36:49,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:36:49,899 INFO L82 PathProgramCache]: Analyzing trace with hash 807979058, now seen corresponding path program 1 times [2018-10-26 20:36:49,901 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:36:49,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:36:49,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:36:49,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:36:49,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:36:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:37:09,395 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 20:38:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:38:08,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:38:08,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:38:08,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:38:08,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:38:08,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:38:08,947 INFO L87 Difference]: Start difference. First operand 10258 states. Second operand 4 states. Received shutdown request... [2018-10-26 20:39:16,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:39:16,306 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-26 20:39:16,313 WARN L205 ceAbstractionStarter]: Timeout [2018-10-26 20:39:16,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:39:16 BoogieIcfgContainer [2018-10-26 20:39:16,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:39:16,315 INFO L168 Benchmark]: Toolchain (without parser) took 232940.16 ms. Allocated memory was 1.5 GB in the beginning and 4.6 GB in the end (delta: 3.1 GB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 30.2 MB). Peak memory consumption was 3.1 GB. Max. memory is 7.1 GB. [2018-10-26 20:39:16,316 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 20:39:16,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 20441.27 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 666.9 MB). Free memory was 1.2 GB in the beginning and 832.1 MB in the end (delta: 374.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-26 20:39:16,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 5799.78 ms. Allocated memory was 2.2 GB in the beginning and 3.3 GB in the end (delta: 1.1 GB). Free memory was 832.1 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 289.9 MB. Max. memory is 7.1 GB. [2018-10-26 20:39:16,319 INFO L168 Benchmark]: Boogie Preprocessor took 2272.39 ms. Allocated memory is still 3.3 GB. Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 415.2 MB). Peak memory consumption was 415.2 MB. Max. memory is 7.1 GB. [2018-10-26 20:39:16,320 INFO L168 Benchmark]: RCFGBuilder took 56721.02 ms. Allocated memory was 3.3 GB in the beginning and 4.0 GB in the end (delta: 766.0 MB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -886.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-26 20:39:16,321 INFO L168 Benchmark]: TraceAbstraction took 147699.87 ms. Allocated memory was 4.0 GB in the beginning and 4.6 GB in the end (delta: 585.1 MB). Free memory was 2.9 GB in the beginning and 1.2 GB in the end (delta: 1.7 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-26 20:39:16,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 20441.27 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 666.9 MB). Free memory was 1.2 GB in the beginning and 832.1 MB in the end (delta: 374.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 5799.78 ms. Allocated memory was 2.2 GB in the beginning and 3.3 GB in the end (delta: 1.1 GB). Free memory was 832.1 MB in the beginning and 2.4 GB in the end (delta: -1.6 GB). Peak memory consumption was 289.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2272.39 ms. Allocated memory is still 3.3 GB. Free memory was 2.4 GB in the beginning and 2.0 GB in the end (delta: 415.2 MB). Peak memory consumption was 415.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 56721.02 ms. Allocated memory was 3.3 GB in the beginning and 4.0 GB in the end (delta: 766.0 MB). Free memory was 2.0 GB in the beginning and 2.9 GB in the end (delta: -886.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * TraceAbstraction took 147699.87 ms. Allocated memory was 4.0 GB in the beginning and 4.6 GB in the end (delta: 585.1 MB). Free memory was 2.9 GB in the beginning and 1.2 GB in the end (delta: 1.7 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73607]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73607). Cancelled while BasicCegarLoop was constructing difference of abstraction (10258states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (28962 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10258 locations, 1 error locations. TIMEOUT Result, 147.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 67.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 522 SDtfs, 14750 SDslu, 94 SDs, 0 SdLazy, 37274 SolverSat, 14703 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10258occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 10124 NumberOfCodeBlocks, 10124 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10123 ConstructedInterpolants, 0 QuantifiedInterpolants, 307425387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown