./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2e94e6aa 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/bitvector-regression/implicitfloatconversion_false-unreach-call_true-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 0165a55c46ef5a57261b602c26894979b70d9ffe .................................................................................................................................................................................................................... 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/bitvector-regression/implicitfloatconversion_false-unreach-call_true-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 0165a55c46ef5a57261b602c26894979b70d9ffe ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2018-12-30 16:02:39,777 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 16:02:39,779 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 16:02:39,792 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 16:02:39,792 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 16:02:39,793 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 16:02:39,795 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 16:02:39,797 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 16:02:39,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 16:02:39,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 16:02:39,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 16:02:39,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 16:02:39,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 16:02:39,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 16:02:39,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 16:02:39,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 16:02:39,808 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 16:02:39,810 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 16:02:39,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 16:02:39,815 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 16:02:39,816 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 16:02:39,817 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 16:02:39,820 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 16:02:39,821 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 16:02:39,821 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 16:02:39,822 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 16:02:39,823 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 16:02:39,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 16:02:39,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 16:02:39,827 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 16:02:39,828 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 16:02:39,828 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 16:02:39,829 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 16:02:39,829 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 16:02:39,830 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 16:02:39,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 16:02:39,832 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-30 16:02:39,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 16:02:39,859 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 16:02:39,860 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 16:02:39,860 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 16:02:39,866 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 16:02:39,866 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 16:02:39,866 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 16:02:39,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-30 16:02:39,867 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 16:02:39,867 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 16:02:39,867 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 16:02:39,867 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 16:02:39,867 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 16:02:39,867 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 16:02:39,868 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 16:02:39,868 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 16:02:39,868 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 16:02:39,868 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 16:02:39,868 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 16:02:39,868 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 16:02:39,871 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 16:02:39,871 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:02:39,871 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 16:02:39,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 16:02:39,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 16:02:39,872 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-30 16:02:39,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 16:02:39,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-30 16:02:39,872 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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-12-30 16:02:39,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 16:02:39,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 16:02:39,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 16:02:39,930 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 16:02:39,931 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 16:02:39,932 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-30 16:02:39,993 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5b6318f/3e61021f26da4beba3a36435666c66b3/FLAGb86f76f40 [2018-12-30 16:02:40,389 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 16:02:40,390 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-30 16:02:40,396 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5b6318f/3e61021f26da4beba3a36435666c66b3/FLAGb86f76f40 [2018-12-30 16:02:40,797 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5b6318f/3e61021f26da4beba3a36435666c66b3 [2018-12-30 16:02:40,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 16:02:40,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 16:02:40,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:40,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 16:02:40,811 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 16:02:40,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:40" (1/1) ... [2018-12-30 16:02:40,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccf8dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:40, skipping insertion in model container [2018-12-30 16:02:40,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:40" (1/1) ... [2018-12-30 16:02:40,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 16:02:40,839 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 16:02:41,052 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:41,058 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 16:02:41,077 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:41,094 INFO L195 MainTranslator]: Completed translation [2018-12-30 16:02:41,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41 WrapperNode [2018-12-30 16:02:41,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:41,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:41,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 16:02:41,097 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 16:02:41,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:41,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 16:02:41,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 16:02:41,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 16:02:41,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (1/1) ... [2018-12-30 16:02:41,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 16:02:41,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 16:02:41,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 16:02:41,162 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 16:02:41,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (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 [2018-12-30 16:02:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 16:02:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 16:02:41,491 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 16:02:41,492 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-30 16:02:41,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:41 BoogieIcfgContainer [2018-12-30 16:02:41,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 16:02:41,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 16:02:41,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 16:02:41,496 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 16:02:41,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 04:02:40" (1/3) ... [2018-12-30 16:02:41,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7891b2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:41, skipping insertion in model container [2018-12-30 16:02:41,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:41" (2/3) ... [2018-12-30 16:02:41,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7891b2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:41, skipping insertion in model container [2018-12-30 16:02:41,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:41" (3/3) ... [2018-12-30 16:02:41,500 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-30 16:02:41,508 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 16:02:41,515 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 16:02:41,530 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 16:02:41,561 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 16:02:41,562 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 16:02:41,562 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 16:02:41,562 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 16:02:41,562 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 16:02:41,562 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 16:02:41,563 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 16:02:41,563 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 16:02:41,563 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 16:02:41,578 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-30 16:02:41,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-30 16:02:41,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 16:02:41,585 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-30 16:02:41,588 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 16:02:41,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 16:02:41,594 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2018-12-30 16:02:41,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-30 16:02:41,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-30 16:02:41,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 16:02:41,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 16:02:41,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-30 16:02:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:41,694 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-30 16:02:41,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 04:02:41 BoogieIcfgContainer [2018-12-30 16:02:41,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 16:02:41,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 16:02:41,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 16:02:41,712 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 16:02:41,713 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:41" (3/4) ... [2018-12-30 16:02:41,716 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-30 16:02:41,716 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 16:02:41,717 INFO L168 Benchmark]: Toolchain (without parser) took 915.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:41,720 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-12-30 16:02:41,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.77 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:41,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.44 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:41,722 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:41,723 INFO L168 Benchmark]: RCFGBuilder took 330.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:41,724 INFO L168 Benchmark]: TraceAbstraction took 218.32 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:41,725 INFO L168 Benchmark]: Witness Printer took 4.93 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. [2018-12-30 16:02:41,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 290.77 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 935.3 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 41.44 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.0 GB. Free memory is still 935.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 330.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -194.7 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 218.32 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.93 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: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 5, overapproximation of to_real at line 4. Possible FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 0.1.24-2e94e6a [2018-12-30 16:02:44,207 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-30 16:02:44,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-30 16:02:44,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-30 16:02:44,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-30 16:02:44,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-30 16:02:44,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-30 16:02:44,232 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-30 16:02:44,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-30 16:02:44,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-30 16:02:44,238 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-30 16:02:44,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-30 16:02:44,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-30 16:02:44,242 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-30 16:02:44,247 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-30 16:02:44,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-30 16:02:44,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-30 16:02:44,252 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-30 16:02:44,254 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-30 16:02:44,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-30 16:02:44,256 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-30 16:02:44,257 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-30 16:02:44,262 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-30 16:02:44,263 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-30 16:02:44,264 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-30 16:02:44,265 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-30 16:02:44,266 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-30 16:02:44,271 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-30 16:02:44,272 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-30 16:02:44,274 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-30 16:02:44,276 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-30 16:02:44,277 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-30 16:02:44,277 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-30 16:02:44,277 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-30 16:02:44,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-30 16:02:44,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-30 16:02:44,281 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-30 16:02:44,296 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-30 16:02:44,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-30 16:02:44,298 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-30 16:02:44,298 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-30 16:02:44,298 INFO L133 SettingsManager]: * Use SBE=true [2018-12-30 16:02:44,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-30 16:02:44,299 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-30 16:02:44,299 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-30 16:02:44,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-30 16:02:44,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-30 16:02:44,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-30 16:02:44,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-30 16:02:44,300 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-30 16:02:44,300 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-30 16:02:44,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-30 16:02:44,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-30 16:02:44,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-30 16:02:44,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-30 16:02:44,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-30 16:02:44,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-30 16:02:44,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-30 16:02:44,303 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-30 16:02:44,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-30 16:02:44,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-30 16:02:44,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-30 16:02:44,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-30 16:02:44,305 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-30 16:02:44,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-30 16:02:44,305 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-30 16:02:44,305 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-30 16:02:44,306 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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2018-12-30 16:02:44,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-30 16:02:44,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-30 16:02:44,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-30 16:02:44,384 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-30 16:02:44,384 INFO L276 PluginConnector]: CDTParser initialized [2018-12-30 16:02:44,385 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-30 16:02:44,443 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca0544ec/e4c0cdd1277d40d1a22863c98c499cea/FLAGee379465d [2018-12-30 16:02:44,845 INFO L307 CDTParser]: Found 1 translation units. [2018-12-30 16:02:44,846 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector-regression/implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-30 16:02:44,851 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca0544ec/e4c0cdd1277d40d1a22863c98c499cea/FLAGee379465d [2018-12-30 16:02:45,239 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ca0544ec/e4c0cdd1277d40d1a22863c98c499cea [2018-12-30 16:02:45,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-30 16:02:45,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-30 16:02:45,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:45,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-30 16:02:45,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-30 16:02:45,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd3e7f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45, skipping insertion in model container [2018-12-30 16:02:45,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-30 16:02:45,283 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-30 16:02:45,515 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:45,527 INFO L191 MainTranslator]: Completed pre-run [2018-12-30 16:02:45,546 INFO L204 PostProcessor]: Analyzing one entry point: main [2018-12-30 16:02:45,565 INFO L195 MainTranslator]: Completed translation [2018-12-30 16:02:45,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45 WrapperNode [2018-12-30 16:02:45,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-30 16:02:45,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:45,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-30 16:02:45,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-30 16:02:45,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-30 16:02:45,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-30 16:02:45,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-30 16:02:45,607 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-30 16:02:45,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (1/1) ... [2018-12-30 16:02:45,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-30 16:02:45,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-30 16:02:45,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-30 16:02:45,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-30 16:02:45,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (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 [2018-12-30 16:02:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-30 16:02:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-30 16:02:45,941 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-30 16:02:45,942 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-30 16:02:45,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:45 BoogieIcfgContainer [2018-12-30 16:02:45,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-30 16:02:45,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-30 16:02:45,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-30 16:02:45,946 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-30 16:02:45,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.12 04:02:45" (1/3) ... [2018-12-30 16:02:45,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4235e0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:45, skipping insertion in model container [2018-12-30 16:02:45,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.12 04:02:45" (2/3) ... [2018-12-30 16:02:45,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4235e0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.12 04:02:45, skipping insertion in model container [2018-12-30 16:02:45,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:45" (3/3) ... [2018-12-30 16:02:45,950 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion_false-unreach-call_true-termination.c [2018-12-30 16:02:45,960 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-30 16:02:45,968 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-30 16:02:45,985 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-30 16:02:46,017 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-30 16:02:46,018 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-30 16:02:46,018 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-30 16:02:46,018 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-30 16:02:46,019 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-30 16:02:46,019 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-30 16:02:46,019 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-30 16:02:46,019 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-30 16:02:46,019 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-30 16:02:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-12-30 16:02:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-30 16:02:46,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-30 16:02:46,042 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-12-30 16:02:46,044 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-30 16:02:46,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2018-12-30 16:02:46,051 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2018-12-30 16:02:46,056 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-30 16:02:46,056 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-30 16:02:46,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-30 16:02:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-30 16:02:46,152 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-30 16:02:46,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.12 04:02:46 BoogieIcfgContainer [2018-12-30 16:02:46,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-30 16:02:46,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-30 16:02:46,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-30 16:02:46,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-30 16:02:46,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.12 04:02:45" (3/4) ... [2018-12-30 16:02:46,173 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-30 16:02:46,218 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-12-30 16:02:46,218 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-30 16:02:46,219 INFO L168 Benchmark]: Toolchain (without parser) took 975.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:46,222 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-30 16:02:46,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.37 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:46,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.47 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:46,226 INFO L168 Benchmark]: Boogie Preprocessor took 29.49 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-30 16:02:46,227 INFO L168 Benchmark]: RCFGBuilder took 305.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:46,228 INFO L168 Benchmark]: TraceAbstraction took 226.58 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-12-30 16:02:46,228 INFO L168 Benchmark]: Witness Printer took 47.84 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. [2018-12-30 16:02:46,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 319.37 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 40.47 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.49 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 305.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -180.7 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 226.58 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Witness Printer took 47.84 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: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...