/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/Rump_float.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 05:24:47,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 05:24:47,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 05:24:47,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 05:24:47,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 05:24:47,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 05:24:47,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 05:24:47,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 05:24:47,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 05:24:47,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 05:24:47,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 05:24:47,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 05:24:47,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 05:24:47,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 05:24:47,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 05:24:47,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 05:24:47,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 05:24:47,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 05:24:47,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 05:24:47,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 05:24:47,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 05:24:47,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 05:24:47,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 05:24:47,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 05:24:47,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 05:24:47,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 05:24:47,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 05:24:47,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 05:24:47,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 05:24:47,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 05:24:47,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 05:24:47,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 05:24:47,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 05:24:47,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 05:24:47,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 05:24:47,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 05:24:47,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 05:24:47,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 05:24:47,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 05:24:47,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 05:24:47,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 05:24:47,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 05:24:47,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 05:24:47,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 05:24:47,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 05:24:47,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 05:24:47,663 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 05:24:47,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 05:24:47,664 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 05:24:47,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 05:24:47,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 05:24:47,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 05:24:47,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 05:24:47,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 05:24:47,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 05:24:47,665 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 05:24:47,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 05:24:47,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 05:24:47,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 05:24:47,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 05:24:47,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 05:24:47,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 05:24:47,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 05:24:47,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 05:24:47,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 05:24:47,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 05:24:47,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 05:24:47,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 05:24:47,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 05:24:47,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 05:24:47,668 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 05:24:47,668 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-08-22 05:24:47,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 05:24:47,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 05:24:47,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 05:24:47,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 05:24:47,967 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 05:24:47,967 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_float.c [2020-08-22 05:24:48,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a0bf6c1b/ccadaf9f26204e70b79c2a3d1a3ca219/FLAG4585cab79 [2020-08-22 05:24:48,454 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 05:24:48,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/Rump_float.c [2020-08-22 05:24:48,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a0bf6c1b/ccadaf9f26204e70b79c2a3d1a3ca219/FLAG4585cab79 [2020-08-22 05:24:48,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a0bf6c1b/ccadaf9f26204e70b79c2a3d1a3ca219 [2020-08-22 05:24:48,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 05:24:48,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 05:24:48,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 05:24:48,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 05:24:48,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 05:24:48,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:24:48" (1/1) ... [2020-08-22 05:24:48,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:48, skipping insertion in model container [2020-08-22 05:24:48,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:24:48" (1/1) ... [2020-08-22 05:24:48,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 05:24:48,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 05:24:49,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:24:49,080 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 05:24:49,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:24:49,114 INFO L208 MainTranslator]: Completed translation [2020-08-22 05:24:49,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49 WrapperNode [2020-08-22 05:24:49,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 05:24:49,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 05:24:49,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 05:24:49,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 05:24:49,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... [2020-08-22 05:24:49,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... [2020-08-22 05:24:49,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... [2020-08-22 05:24:49,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... [2020-08-22 05:24:49,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... [2020-08-22 05:24:49,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... [2020-08-22 05:24:49,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... [2020-08-22 05:24:49,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 05:24:49,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 05:24:49,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 05:24:49,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 05:24:49,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-22 05:24:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 05:24:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 05:24:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 05:24:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 05:24:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 05:24:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 05:24:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 05:24:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 05:24:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 05:24:49,467 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 05:24:49,468 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 05:24:49,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:24:49 BoogieIcfgContainer [2020-08-22 05:24:49,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 05:24:49,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 05:24:49,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 05:24:49,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 05:24:49,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:24:48" (1/3) ... [2020-08-22 05:24:49,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae5dbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:24:49, skipping insertion in model container [2020-08-22 05:24:49,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:24:49" (2/3) ... [2020-08-22 05:24:49,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae5dbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:24:49, skipping insertion in model container [2020-08-22 05:24:49,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:24:49" (3/3) ... [2020-08-22 05:24:49,483 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2020-08-22 05:24:49,495 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 05:24:49,505 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 05:24:49,521 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 05:24:49,552 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 05:24:49,552 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 05:24:49,552 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 05:24:49,553 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 05:24:49,553 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 05:24:49,554 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 05:24:49,554 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 05:24:49,554 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 05:24:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-08-22 05:24:49,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-08-22 05:24:49,581 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:24:49,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:24:49,583 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:24:49,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:24:49,589 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2020-08-22 05:24:49,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:24:49,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325264729] [2020-08-22 05:24:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:24:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 05:24:49,690 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 05:24:49,691 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 05:24:49,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 05:24:49,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:24:49 BoogieIcfgContainer [2020-08-22 05:24:49,708 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 05:24:49,711 INFO L168 Benchmark]: Toolchain (without parser) took 894.27 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 102.8 MB in the beginning and 158.4 MB in the end (delta: -55.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-08-22 05:24:49,712 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 05:24:49,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.11 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 93.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-08-22 05:24:49,715 INFO L168 Benchmark]: Boogie Preprocessor took 104.93 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.0 MB in the beginning and 181.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-08-22 05:24:49,716 INFO L168 Benchmark]: RCFGBuilder took 251.78 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 170.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-08-22 05:24:49,716 INFO L168 Benchmark]: TraceAbstraction took 233.84 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 158.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-08-22 05:24:49,720 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 297.11 ms. Allocated memory is still 140.0 MB. Free memory was 102.6 MB in the beginning and 93.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.93 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 93.0 MB in the beginning and 181.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.78 ms. Allocated memory is still 202.9 MB. Free memory was 180.9 MB in the beginning and 170.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 233.84 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 158.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 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 someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L13] CALL __VERIFIER_assert((r >= 0)) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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...