/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/floats-cbmc-regression/float6.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:56:09,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:56:09,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:56:09,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:56:09,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:56:09,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:56:09,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:56:09,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:56:09,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:56:09,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:56:09,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:56:09,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:56:09,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:56:09,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:56:09,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:56:09,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:56:09,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:56:09,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:56:09,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:56:09,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:56:09,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:56:09,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:56:09,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:56:09,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:56:09,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 21:56:09,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:56:09,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:56:09,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:56:09,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:56:09,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:56:09,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:56:09,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:56:09,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:56:09,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:56:09,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:56:09,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:56:09,612 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 [2020-11-06 21:56:09,668 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:56:09,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:56:09,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:56:09,670 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:56:09,670 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:56:09,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:56:09,671 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:56:09,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:56:09,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:56:09,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:56:09,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:56:09,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:56:09,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:56:09,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:56:09,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:56:09,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:56:09,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:56:09,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:56:09,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:56:09,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:56:09,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:56:09,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:56:09,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:56:09,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:56:09,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:56:09,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:56:09,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:56:09,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:56:09,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:56:09,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:56:10,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:56:10,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:56:10,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:56:10,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:56:10,080 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:56:10,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-11-06 21:56:10,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb92d62e9/5ee06f755a9a405aa739963184e28edf/FLAG5a6ecee8a [2020-11-06 21:56:10,866 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:56:10,867 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float6.c [2020-11-06 21:56:10,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb92d62e9/5ee06f755a9a405aa739963184e28edf/FLAG5a6ecee8a [2020-11-06 21:56:11,177 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb92d62e9/5ee06f755a9a405aa739963184e28edf [2020-11-06 21:56:11,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:56:11,188 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:56:11,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:56:11,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:56:11,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:56:11,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cb7256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11, skipping insertion in model container [2020-11-06 21:56:11,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:56:11,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:56:11,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:56:11,418 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:56:11,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:56:11,463 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:56:11,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11 WrapperNode [2020-11-06 21:56:11,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:56:11,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:56:11,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:56:11,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:56:11,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (1/1) ... [2020-11-06 21:56:11,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:56:11,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:56:11,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:56:11,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:56:11,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (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 [2020-11-06 21:56:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:56:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:56:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:56:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:56:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:56:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:56:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:56:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:56:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-11-06 21:56:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:56:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:56:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:56:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:56:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:56:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:56:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:56:12,321 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:56:12,322 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 21:56:12,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:12 BoogieIcfgContainer [2020-11-06 21:56:12,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:56:12,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:56:12,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:56:12,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:56:12,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:56:11" (1/3) ... [2020-11-06 21:56:12,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ffa101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:12, skipping insertion in model container [2020-11-06 21:56:12,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:56:11" (2/3) ... [2020-11-06 21:56:12,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ffa101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:56:12, skipping insertion in model container [2020-11-06 21:56:12,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:56:12" (3/3) ... [2020-11-06 21:56:12,333 INFO L111 eAbstractionObserver]: Analyzing ICFG float6.c [2020-11-06 21:56:12,348 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:56:12,352 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 21:56:12,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 21:56:12,394 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:56:12,394 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:56:12,394 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:56:12,394 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:56:12,395 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:56:12,395 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:56:12,395 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:56:12,395 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:56:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-11-06 21:56:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-06 21:56:12,423 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:56:12,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:56:12,424 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:56:12,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:56:12,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1501220571, now seen corresponding path program 1 times [2020-11-06 21:56:12,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:56:12,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86561905] [2020-11-06 21:56:12,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:56:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:56:12,581 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:56:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:56:12,639 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:56:12,670 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:56:12,671 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:56:12,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:56:12,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:56:12 BoogieIcfgContainer [2020-11-06 21:56:12,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:56:12,696 INFO L168 Benchmark]: Toolchain (without parser) took 1511.32 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 107.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:12,697 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:56:12,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.27 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 115.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:12,699 INFO L168 Benchmark]: Boogie Preprocessor took 43.70 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 113.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:12,700 INFO L168 Benchmark]: RCFGBuilder took 814.23 ms. Allocated memory is still 151.0 MB. Free memory was 113.5 MB in the beginning and 120.7 MB in the end (delta: -7.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:12,701 INFO L168 Benchmark]: TraceAbstraction took 367.35 ms. Allocated memory is still 151.0 MB. Free memory was 120.2 MB in the beginning and 107.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-11-06 21:56:12,706 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.9 MB in the beginning and 123.8 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 272.27 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 115.3 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.70 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 113.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 814.23 ms. Allocated memory is still 151.0 MB. Free memory was 113.5 MB in the beginning and 120.7 MB in the end (delta: -7.2 MB). Peak memory consumption was 15.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 367.35 ms. Allocated memory is still 151.0 MB. Free memory was 120.2 MB in the beginning and 107.6 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 9. Possible FailurePath: [L9] COND TRUE !(1.0!=2.0) [L9] CALL reach_error() [L4] __assert_fail("0", "float6.c", 4, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...