/usr/bin/java -ea -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/addsub_float_inexact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:00:36,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:00:36,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:00:36,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:00:36,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:00:36,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:00:36,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:00:36,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:00:36,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:00:36,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:00:36,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:00:36,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:00:36,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:00:36,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:00:36,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:00:36,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:00:36,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:00:36,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:00:36,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:00:36,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:00:36,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:00:36,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:00:36,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:00:36,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:00:36,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 22:00:36,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 22:00:36,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 22:00:36,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 22:00:36,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 22:00:36,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 22:00:36,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:00:36,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:00:36,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:00:36,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:00:36,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:00:36,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:00:36,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:00:36,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:00:36,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:00:36,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:00:36,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:00:36,806 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 [2020-07-17 22:00:36,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:00:36,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:00:36,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:00:36,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:00:36,822 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:00:36,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:00:36,822 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:00:36,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:00:36,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:00:36,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:00:36,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:00:36,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:00:36,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:00:36,824 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:00:36,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:00:36,824 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:00:36,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:00:36,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:00:36,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:00:36,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:00:36,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:00:36,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:00:36,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:00:36,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:00:36,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:00:36,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:00:36,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:00:36,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:00:36,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:00:36,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:00:37,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:00:37,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:00:37,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:00:37,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:00:37,102 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:00:37,102 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-07-17 22:00:37,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b689e42b/77f0a1bdad814bf993464ce7d3d80092/FLAG3dfaff83d [2020-07-17 22:00:37,625 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:00:37,626 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-07-17 22:00:37,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b689e42b/77f0a1bdad814bf993464ce7d3d80092/FLAG3dfaff83d [2020-07-17 22:00:38,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b689e42b/77f0a1bdad814bf993464ce7d3d80092 [2020-07-17 22:00:38,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:00:38,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:00:38,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:00:38,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:00:38,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:00:38,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527465e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38, skipping insertion in model container [2020-07-17 22:00:38,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:00:38,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:00:38,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:00:38,250 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:00:38,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:00:38,279 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:00:38,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38 WrapperNode [2020-07-17 22:00:38,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:00:38,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:00:38,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:00:38,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:00:38,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (1/1) ... [2020-07-17 22:00:38,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:00:38,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:00:38,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:00:38,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:00:38,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (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 [2020-07-17 22:00:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:00:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:00:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:00:38,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:00:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:00:38,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:00:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:00:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:00:38,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:00:38,651 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:00:38,652 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:00:38,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:00:38 BoogieIcfgContainer [2020-07-17 22:00:38,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:00:38,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:00:38,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:00:38,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:00:38,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:00:38" (1/3) ... [2020-07-17 22:00:38,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a7f20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:00:38, skipping insertion in model container [2020-07-17 22:00:38,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:38" (2/3) ... [2020-07-17 22:00:38,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70a7f20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:00:38, skipping insertion in model container [2020-07-17 22:00:38,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:00:38" (3/3) ... [2020-07-17 22:00:38,685 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2020-07-17 22:00:38,696 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:00:38,703 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:00:38,726 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:00:38,746 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:00:38,746 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:00:38,746 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:00:38,746 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:00:38,746 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:00:38,747 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:00:38,747 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:00:38,747 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:00:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-17 22:00:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-17 22:00:38,768 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:00:38,769 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:00:38,769 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:00:38,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:00:38,776 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2020-07-17 22:00:38,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:00:38,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120427338] [2020-07-17 22:00:38,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:00:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:00:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:00:38,880 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:00:38,881 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:00:38,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:00:38,903 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:00:38,903 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:00:38,903 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:00:38,904 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:00:38,904 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-17 22:00:38,904 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:00:38,904 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:00:38,904 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:00:38,904 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-17 22:00:38,905 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-17 22:00:38,905 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:00:38,905 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:00:38,905 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:00:38,905 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-17 22:00:38,905 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-17 22:00:38,906 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-17 22:00:38,906 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-17 22:00:38,906 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:00:38,906 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:00:38,906 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:00:38,906 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:00:38,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:00:38 BoogieIcfgContainer [2020-07-17 22:00:38,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:00:38,913 INFO L168 Benchmark]: Toolchain (without parser) took 858.07 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 103.6 MB in the beginning and 153.7 MB in the end (delta: -50.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:38,914 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:00:38,915 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.34 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:38,917 INFO L168 Benchmark]: Boogie Preprocessor took 115.58 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.9 MB in the beginning and 180.7 MB in the end (delta: -86.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:38,918 INFO L168 Benchmark]: RCFGBuilder took 259.11 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 167.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:38,919 INFO L168 Benchmark]: TraceAbstraction took 252.08 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 153.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:38,922 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.34 ms. Allocated memory is still 138.4 MB. Free memory was 103.1 MB in the beginning and 93.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.58 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.9 MB in the beginning and 180.7 MB in the end (delta: -86.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 259.11 ms. Allocated memory is still 201.9 MB. Free memory was 180.7 MB in the beginning and 167.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 252.08 ms. Allocated memory is still 201.9 MB. Free memory was 167.3 MB in the beginning and 153.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 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 14, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z VAL [x=100000000] [L14] CALL __VERIFIER_assert(r == 0.f) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - 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...