java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/bary_diverge.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:10:19,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:10:19,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:10:19,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:10:19,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:10:19,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:10:19,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:10:19,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:10:19,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:10:19,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:10:19,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:10:19,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:10:19,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:10:19,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:10:19,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:10:19,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:10:19,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:10:19,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:10:19,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:10:19,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:10:19,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:10:19,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:10:19,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:10:19,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:10:19,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:10:19,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:10:19,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:10:19,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:10:19,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:10:19,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:10:19,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:10:19,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:10:19,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:10:19,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:10:19,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:10:19,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:10:19,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:10:19,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:10:19,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:10:19,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:10:19,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:10:19,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:10:19,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:10:19,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:10:19,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:10:19,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:10:19,846 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:10:19,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:10:19,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:10:19,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:10:19,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:10:19,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:10:19,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:10:19,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:10:19,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:10:19,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:10:19,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:10:19,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:10:19,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:10:19,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:10:19,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:10:19,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:10:19,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:10:19,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:10:19,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:10:19,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:10:19,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:10:19,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:10:19,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:10:19,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:10:19,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:10:19,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:10:19,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:10:19,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:10:19,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:10:19,900 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:10:19,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/bary_diverge.c [2019-09-08 01:10:19,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1941f4/400e0e762cf947b79f19643a3fc2d186/FLAGcf861c8e3 [2019-09-08 01:10:20,441 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:10:20,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/bary_diverge.c [2019-09-08 01:10:20,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1941f4/400e0e762cf947b79f19643a3fc2d186/FLAGcf861c8e3 [2019-09-08 01:10:20,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd1941f4/400e0e762cf947b79f19643a3fc2d186 [2019-09-08 01:10:20,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:10:20,773 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:10:20,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:10:20,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:10:20,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:10:20,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:10:20" (1/1) ... [2019-09-08 01:10:20,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14582f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:20, skipping insertion in model container [2019-09-08 01:10:20,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:10:20" (1/1) ... [2019-09-08 01:10:20,791 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:10:20,812 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:10:21,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:10:21,091 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:10:21,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:10:21,128 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:10:21,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21 WrapperNode [2019-09-08 01:10:21,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:10:21,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:10:21,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:10:21,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:10:21,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (1/1) ... [2019-09-08 01:10:21,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (1/1) ... [2019-09-08 01:10:21,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (1/1) ... [2019-09-08 01:10:21,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (1/1) ... [2019-09-08 01:10:21,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (1/1) ... [2019-09-08 01:10:21,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (1/1) ... [2019-09-08 01:10:21,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (1/1) ... [2019-09-08 01:10:21,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:10:21,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:10:21,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:10:21,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:10:21,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (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 [2019-09-08 01:10:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:10:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:10:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-08 01:10:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure RANDOM_INPUT [2019-09-08 01:10:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_clock [2019-09-08 01:10:21,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bary [2019-09-08 01:10:21,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:10:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:10:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:10:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:10:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:10:21,338 INFO L130 BoogieDeclarations]: Found specification of procedure RANDOM_INPUT [2019-09-08 01:10:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_clock [2019-09-08 01:10:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure bary [2019-09-08 01:10:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:10:21,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:10:21,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:10:21,643 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:10:21,644 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 01:10:21,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:10:21 BoogieIcfgContainer [2019-09-08 01:10:21,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:10:21,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:10:21,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:10:21,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:10:21,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:10:20" (1/3) ... [2019-09-08 01:10:21,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308568fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:10:21, skipping insertion in model container [2019-09-08 01:10:21,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:21" (2/3) ... [2019-09-08 01:10:21,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308568fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:10:21, skipping insertion in model container [2019-09-08 01:10:21,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:10:21" (3/3) ... [2019-09-08 01:10:21,665 INFO L109 eAbstractionObserver]: Analyzing ICFG bary_diverge.c [2019-09-08 01:10:21,677 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:10:21,688 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:10:21,706 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:10:21,737 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:10:21,738 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:10:21,738 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:10:21,738 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:10:21,738 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:10:21,738 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:10:21,738 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:10:21,739 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:10:21,739 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:10:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-09-08 01:10:21,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-08 01:10:21,763 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:10:21,764 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:10:21,767 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:10:21,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:10:21,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1948792550, now seen corresponding path program 1 times [2019-09-08 01:10:21,773 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:10:21,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:10:21,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:10:21,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:10:21,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:10:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:10:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:10:21,957 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:10:21,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:10:21 BoogieIcfgContainer [2019-09-08 01:10:22,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:10:22,003 INFO L168 Benchmark]: Toolchain (without parser) took 1228.90 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 91.1 MB in the beginning and 147.8 MB in the end (delta: -56.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:22,004 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory is still 108.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:10:22,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.35 ms. Allocated memory is still 134.7 MB. Free memory was 91.1 MB in the beginning and 80.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:22,006 INFO L168 Benchmark]: Boogie Preprocessor took 150.81 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 80.9 MB in the beginning and 177.2 MB in the end (delta: -96.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:22,007 INFO L168 Benchmark]: RCFGBuilder took 365.38 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 162.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:22,008 INFO L168 Benchmark]: TraceAbstraction took 353.28 ms. Allocated memory is still 201.3 MB. Free memory was 162.1 MB in the beginning and 147.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:22,011 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 134.7 MB. Free memory is still 108.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 354.35 ms. Allocated memory is still 134.7 MB. Free memory was 91.1 MB in the beginning and 80.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.81 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 80.9 MB in the beginning and 177.2 MB in the end (delta: -96.4 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 365.38 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 162.9 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 353.28 ms. Allocated memory is still 201.3 MB. Free memory was 162.1 MB in the beginning and 147.8 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 45. Possible FailurePath: [L14] BOOLEAN INIT; [L15] float C1, I; [L29] static float X,Y,Z; VAL [\old(C1)=6, \old(I)=8, \old(INIT)=1, \old(X)=3, \old(Y)=4, \old(Z)=7, C1=0, I=0, INIT=0, X=0, Y=0, Z=0] [L50] int i; [L52] INIT = TRUE VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L53] CALL, EXPR RANDOM_INPUT() VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=0, I=0, INIT=1, X=0, Y=0, Z=0] [L19] float x; [L20] x = __VERIFIER_nondet_float() [L22] return x; VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, \result=2, C1=0, I=0, INIT=1, x=2, X=0, Y=0, Z=0] [L53] RET, EXPR RANDOM_INPUT() VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=0, I=0, INIT=1, RANDOM_INPUT()=2, X=0, Y=0, Z=0] [L53] C1 = RANDOM_INPUT() [L54] CALL, EXPR RANDOM_INPUT() VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, I=0, INIT=1, X=0, Y=0, Z=0] [L19] float x; [L20] x = __VERIFIER_nondet_float() [L22] return x; VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, \result=5, C1=2, I=0, INIT=1, x=5, X=0, Y=0, Z=0] [L54] RET, EXPR RANDOM_INPUT() VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, I=0, INIT=1, RANDOM_INPUT()=5, X=0, Y=0, Z=0] [L54] I = RANDOM_INPUT() [L56] i = 0 VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, i=0, I=5, INIT=1, X=0, Y=0, Z=0] [L56] COND TRUE i < 3600000 VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, i=0, I=5, INIT=1, X=0, Y=0, Z=0] [L57] CALL bary() VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, I=5, INIT=1, X=0, Y=0, Z=0] [L31] COND TRUE C1 > 0.f [L32] Z = Y [L33] Y = X VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, I=5, INIT=1, X=0, Y=0, Z=0] [L36] COND TRUE INIT == TRUE [L37] X = I [L38] Y = I [L39] Z = I VAL [\old(C1)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, I=5, INIT=1, X=5, Y=5, Z=5] [L45] CALL __VERIFIER_assert(X >= -5.f && X <= 5.f) VAL [\old(C1)=0, \old(cond)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, I=5, INIT=1, X=5, Y=5, Z=5] [L9] COND TRUE !(cond) VAL [\old(C1)=0, \old(cond)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, cond=0, I=5, INIT=1, X=5, Y=5, Z=5] [L9] __VERIFIER_error() VAL [\old(C1)=0, \old(cond)=0, \old(I)=0, \old(INIT)=0, \old(X)=0, \old(Y)=0, \old(Z)=0, C1=2, cond=0, I=5, INIT=1, X=5, Y=5, Z=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 41 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 24 NumberOfCodeBlocks, 24 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...