./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cbd82567 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ..................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7f5bdb078d6ad5b90a3e716506f89d68a310f749 ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-cbd8256-m [2018-11-28 11:47:06,318 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:47:06,321 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:47:06,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:47:06,334 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:47:06,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:47:06,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:47:06,342 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:47:06,343 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:47:06,344 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:47:06,345 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:47:06,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:47:06,347 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:47:06,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:47:06,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:47:06,350 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:47:06,351 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:47:06,353 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:47:06,355 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:47:06,357 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:47:06,358 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:47:06,360 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:47:06,362 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:47:06,363 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:47:06,363 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:47:06,364 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:47:06,366 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:47:06,367 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:47:06,367 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:47:06,369 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:47:06,369 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:47:06,370 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:47:06,370 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:47:06,371 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:47:06,372 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:47:06,373 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:47:06,374 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:47:06,389 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:47:06,389 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:47:06,390 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:47:06,390 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:47:06,392 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:47:06,392 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:47:06,392 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:47:06,392 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:47:06,393 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:47:06,393 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:47:06,394 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:47:06,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:47:06,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:47:06,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:47:06,394 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:47:06,395 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:47:06,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:47:06,395 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:47:06,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:47:06,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:47:06,397 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:47:06,397 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:47:06,397 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:47:06,398 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:47:06,398 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:47:06,398 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:47:06,398 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:47:06,398 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:47:06,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:47:06,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:47:06,400 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2018-11-28 11:47:06,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:47:06,450 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:47:06,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:47:06,456 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:47:06,457 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:47:06,457 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-28 11:47:06,518 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a3cdee2/e994f647b45c47e5bda80147dce69f5d/FLAG450e4627c [2018-11-28 11:47:06,929 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:47:06,930 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-28 11:47:06,935 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a3cdee2/e994f647b45c47e5bda80147dce69f5d/FLAG450e4627c [2018-11-28 11:47:07,310 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a3cdee2/e994f647b45c47e5bda80147dce69f5d [2018-11-28 11:47:07,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:47:07,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:47:07,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:07,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:47:07,322 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:47:07,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66145f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07, skipping insertion in model container [2018-11-28 11:47:07,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:47:07,353 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:47:07,574 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:07,583 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:47:07,604 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:07,626 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:47:07,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07 WrapperNode [2018-11-28 11:47:07,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:07,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:07,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:47:07,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:47:07,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:07,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:47:07,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:47:07,659 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:47:07,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... [2018-11-28 11:47:07,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:47:07,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:47:07,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:47:07,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:47:07,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-28 11:47:07,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:47:07,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:47:07,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:47:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:47:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:47:07,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:47:07,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 11:47:07,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 11:47:08,168 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:47:08,168 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:47:08,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:08 BoogieIcfgContainer [2018-11-28 11:47:08,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:47:08,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:47:08,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:47:08,175 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:47:08,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:47:07" (1/3) ... [2018-11-28 11:47:08,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2627a936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:08, skipping insertion in model container [2018-11-28 11:47:08,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:07" (2/3) ... [2018-11-28 11:47:08,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2627a936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:08, skipping insertion in model container [2018-11-28 11:47:08,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:08" (3/3) ... [2018-11-28 11:47:08,180 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-28 11:47:08,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:47:08,198 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:47:08,218 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:47:08,254 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:47:08,254 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:47:08,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:47:08,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:47:08,255 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:47:08,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:47:08,255 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:47:08,255 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:47:08,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:47:08,283 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-28 11:47:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 11:47:08,296 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:47:08,298 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:47:08,301 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:47:08,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:47:08,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1871509567, now seen corresponding path program 1 times [2018-11-28 11:47:08,313 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:47:08,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:47:08,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:47:08,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:47:08,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:47:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:47:08,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:47:08,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:47:08,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:47:08,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:47:08,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:47:08,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:47:08,490 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2018-11-28 11:47:08,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:47:08,518 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-11-28 11:47:08,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:47:08,520 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2018-11-28 11:47:08,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:47:08,530 INFO L225 Difference]: With dead ends: 31 [2018-11-28 11:47:08,530 INFO L226 Difference]: Without dead ends: 12 [2018-11-28 11:47:08,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:47:08,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-28 11:47:08,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-28 11:47:08,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-28 11:47:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-28 11:47:08,583 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-11-28 11:47:08,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:47:08,584 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-28 11:47:08,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:47:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-28 11:47:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 11:47:08,585 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:47:08,586 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:47:08,586 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:47:08,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:47:08,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1890620952, now seen corresponding path program 1 times [2018-11-28 11:47:08,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:47:08,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:47:08,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:47:08,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:47:08,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:47:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:47:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:47:08,646 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:47:08,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:47:08 BoogieIcfgContainer [2018-11-28 11:47:08,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:47:08,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:47:08,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:47:08,677 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:47:08,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:08" (3/4) ... [2018-11-28 11:47:08,683 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:47:08,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:47:08,684 INFO L168 Benchmark]: Toolchain (without parser) took 1370.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:08,689 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:08,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:08,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.16 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:08,696 INFO L168 Benchmark]: Boogie Preprocessor took 40.77 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:08,697 INFO L168 Benchmark]: RCFGBuilder took 470.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:08,698 INFO L168 Benchmark]: TraceAbstraction took 506.10 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:08,699 INFO L168 Benchmark]: Witness Printer took 6.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:08,704 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.40 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.16 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.77 ms. Allocated memory is still 1.0 GB. Free memory is still 932.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 470.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 506.10 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Witness Printer took 6.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 14. Possible FailurePath: [L10] unsigned int x = 5; VAL [x=5] [L11] COND FALSE !(__VERIFIER_nondet_int()) [L14] CALL __VERIFIER_assert((x & 5) == 5) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-cbd8256-m [2018-11-28 11:47:11,043 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:47:11,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:47:11,057 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:47:11,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:47:11,058 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:47:11,059 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:47:11,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:47:11,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:47:11,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:47:11,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:47:11,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:47:11,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:47:11,075 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:47:11,076 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:47:11,077 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:47:11,078 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:47:11,080 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:47:11,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:47:11,084 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:47:11,085 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:47:11,086 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:47:11,090 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:47:11,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:47:11,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:47:11,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:47:11,093 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:47:11,094 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:47:11,095 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:47:11,096 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:47:11,096 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:47:11,097 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:47:11,097 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:47:11,097 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:47:11,099 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:47:11,100 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:47:11,100 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 11:47:11,117 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:47:11,118 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:47:11,119 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:47:11,119 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:47:11,119 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:47:11,120 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:47:11,120 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:47:11,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:47:11,120 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:47:11,120 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:47:11,121 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:47:11,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:47:11,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:47:11,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:47:11,122 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 11:47:11,122 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 11:47:11,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:47:11,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:47:11,124 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:47:11,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:47:11,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:47:11,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:47:11,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:47:11,125 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:47:11,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:47:11,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:47:11,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:47:11,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:47:11,126 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 11:47:11,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:47:11,127 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 11:47:11,127 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 11:47:11,128 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 7f5bdb078d6ad5b90a3e716506f89d68a310f749 [2018-11-28 11:47:11,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:47:11,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:47:11,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:47:11,202 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:47:11,202 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:47:11,203 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-28 11:47:11,267 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f812c7f/4c3ea7d14ca84ba2bf9c91c6bc020865/FLAG19b629d8c [2018-11-28 11:47:11,774 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:47:11,775 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invariants/bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-28 11:47:11,783 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f812c7f/4c3ea7d14ca84ba2bf9c91c6bc020865/FLAG19b629d8c [2018-11-28 11:47:12,106 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f812c7f/4c3ea7d14ca84ba2bf9c91c6bc020865 [2018-11-28 11:47:12,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:47:12,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:47:12,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:12,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:47:12,118 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:47:12,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc1d8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12, skipping insertion in model container [2018-11-28 11:47:12,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:47:12,151 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:47:12,349 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:12,356 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:47:12,375 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:47:12,394 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:47:12,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12 WrapperNode [2018-11-28 11:47:12,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:47:12,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:12,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:47:12,396 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:47:12,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:47:12,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:47:12,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:47:12,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:47:12,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... [2018-11-28 11:47:12,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:47:12,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:47:12,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:47:12,456 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:47:12,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2018-11-28 11:47:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:47:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:47:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:47:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:47:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:47:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:47:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 11:47:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 11:47:12,758 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:47:12,759 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 11:47:12,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:12 BoogieIcfgContainer [2018-11-28 11:47:12,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:47:12,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:47:12,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:47:12,764 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:47:12,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:47:12" (1/3) ... [2018-11-28 11:47:12,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538c6590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:12, skipping insertion in model container [2018-11-28 11:47:12,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:47:12" (2/3) ... [2018-11-28 11:47:12,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538c6590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:47:12, skipping insertion in model container [2018-11-28 11:47:12,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:12" (3/3) ... [2018-11-28 11:47:12,767 INFO L112 eAbstractionObserver]: Analyzing ICFG bin-suffix-5_true-unreach-call_true-valid-memsafety_true-no-overflow_false-termination.c [2018-11-28 11:47:12,777 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:47:12,785 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:47:12,801 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:47:12,830 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:47:12,830 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:47:12,830 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:47:12,831 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:47:12,831 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:47:12,831 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:47:12,831 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:47:12,831 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:47:12,831 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:47:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-28 11:47:12,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 11:47:12,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:47:12,858 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:47:12,860 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:47:12,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:47:12,867 INFO L82 PathProgramCache]: Analyzing trace with hash -14991171, now seen corresponding path program 1 times [2018-11-28 11:47:12,871 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:47:12,872 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:47:12,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:47:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:47:12,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:47:13,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:47:13,146 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [MP cvc4 --incremental --print-success --lang smt --rewrite-divk (2)] Exception during sending of exit command (exit): Broken pipe [2018-11-28 11:47:13,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:47:13,150 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:47:13,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:47:13,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:47:13,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:47:13,172 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-28 11:47:13,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:47:13,299 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2018-11-28 11:47:13,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 11:47:13,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-28 11:47:13,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:47:13,309 INFO L225 Difference]: With dead ends: 39 [2018-11-28 11:47:13,309 INFO L226 Difference]: Without dead ends: 12 [2018-11-28 11:47:13,313 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:47:13,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-11-28 11:47:13,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-11-28 11:47:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-28 11:47:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-11-28 11:47:13,350 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-11-28 11:47:13,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:47:13,352 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-11-28 11:47:13,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:47:13,352 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-11-28 11:47:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 11:47:13,355 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:47:13,355 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:47:13,355 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:47:13,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:47:13,357 INFO L82 PathProgramCache]: Analyzing trace with hash -429188558, now seen corresponding path program 1 times [2018-11-28 11:47:13,357 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 11:47:13,357 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 11:47:13,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:47:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:47:13,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:47:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:47:13,466 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-28 11:47:13,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:47:13,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:47:13,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-28 11:47:13,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:47:13,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:47:13,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:47:13,834 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 9 states. [2018-11-28 11:47:13,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:47:13,952 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2018-11-28 11:47:13,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:47:13,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2018-11-28 11:47:13,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:47:13,954 INFO L225 Difference]: With dead ends: 14 [2018-11-28 11:47:13,954 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:47:13,955 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:47:13,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:47:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:47:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:47:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:47:13,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-28 11:47:13,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:47:13,957 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:47:13,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:47:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:47:13,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:47:13,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:47:14,058 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-28 11:47:14,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:47:14,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:47:14,058 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 11:47:14,058 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:47:14,058 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:47:14,059 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 9 16) the Hoare annotation is: true [2018-11-28 11:47:14,059 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 9 16) no Hoare annotation was computed. [2018-11-28 11:47:14,059 INFO L448 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2018-11-28 11:47:14,059 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 9 16) no Hoare annotation was computed. [2018-11-28 11:47:14,059 INFO L444 ceAbstractionStarter]: At program point L11-2(lines 11 13) the Hoare annotation is: (= (bvadd (bvand (_ bv5 32) main_~x~0) (_ bv4294967291 32)) (_ bv0 32)) [2018-11-28 11:47:14,060 INFO L444 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: (= (bvadd (bvand (_ bv5 32) main_~x~0) (_ bv4294967291 32)) (_ bv0 32)) [2018-11-28 11:47:14,060 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-11-28 11:47:14,060 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-11-28 11:47:14,060 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-28 11:47:14,060 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-28 11:47:14,061 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-11-28 11:47:14,061 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-11-28 11:47:14,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:47:14 BoogieIcfgContainer [2018-11-28 11:47:14,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:47:14,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:47:14,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:47:14,077 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:47:14,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:47:12" (3/4) ... [2018-11-28 11:47:14,081 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:47:14,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:47:14,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:47:14,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-28 11:47:14,094 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-28 11:47:14,094 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:47:14,094 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:47:14,141 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 11:47:14,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:47:14,142 INFO L168 Benchmark]: Toolchain (without parser) took 2030.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -109.8 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:14,144 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:14,144 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:14,145 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:14,147 INFO L168 Benchmark]: Boogie Preprocessor took 34.28 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:47:14,147 INFO L168 Benchmark]: RCFGBuilder took 303.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:14,149 INFO L168 Benchmark]: TraceAbstraction took 1315.54 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:14,149 INFO L168 Benchmark]: Witness Printer took 65.32 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:47:14,154 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.43 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.95 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.28 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 303.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1315.54 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.32 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 11]: Loop Invariant Derived loop invariant: ~bvadd64(~bvand32(5bv32, x), 4294967291bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 8 SDslu, 69 SDs, 0 SdLazy, 30 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 15 NumberOfFragments, 19 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 865 SizeOfPredicates, 4 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...