/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:33:30,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:33:30,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:33:30,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:33:30,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:33:30,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:33:30,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:33:30,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:33:30,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:33:30,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:33:30,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:33:30,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:33:30,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:33:30,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:33:30,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:33:30,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:33:30,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:33:30,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:33:30,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:33:30,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:33:30,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:33:30,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:33:30,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:33:30,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:33:30,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:33:30,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:33:30,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:33:30,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:33:30,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 18:33:30,636 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:33:30,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:33:30,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:33:30,637 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:33:30,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:33:30,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:33:30,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:33:30,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:33:30,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:33:30,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:33:30,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:33:30,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:33:30,639 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:33:30,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:33:30,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:33:30,640 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:33:30,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:33:30,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:33:30,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:33:30,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:33:30,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:33:30,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:33:30,641 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:33:30,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:33:30,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:33:30,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:33:30,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:33:30,921 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:33:30,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-10 18:33:30,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b5d458d/71c3f7bce48e4538a9ad6a874185a66d/FLAGae04553f8 [2020-07-10 18:33:31,430 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:33:31,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-10 18:33:31,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b5d458d/71c3f7bce48e4538a9ad6a874185a66d/FLAGae04553f8 [2020-07-10 18:33:31,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b5d458d/71c3f7bce48e4538a9ad6a874185a66d [2020-07-10 18:33:31,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:33:31,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:33:31,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:33:31,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:33:31,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:33:31,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:33:31" (1/1) ... [2020-07-10 18:33:31,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f338ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:31, skipping insertion in model container [2020-07-10 18:33:31,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:33:31" (1/1) ... [2020-07-10 18:33:31,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:33:31,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:33:32,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:33:32,138 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:33:32,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:33:32,193 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:33:32,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32 WrapperNode [2020-07-10 18:33:32,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:33:32,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:33:32,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:33:32,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:33:32,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (1/1) ... [2020-07-10 18:33:32,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (1/1) ... [2020-07-10 18:33:32,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (1/1) ... [2020-07-10 18:33:32,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (1/1) ... [2020-07-10 18:33:32,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (1/1) ... [2020-07-10 18:33:32,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (1/1) ... [2020-07-10 18:33:32,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (1/1) ... [2020-07-10 18:33:32,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:33:32,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:33:32,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:33:32,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:33:32,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (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 [2020-07-10 18:33:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:33:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:33:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:33:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:33:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:33:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:33:32,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:33:32,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:33:32,725 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 18:33:32,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:33:32 BoogieIcfgContainer [2020-07-10 18:33:32,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:33:32,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:33:32,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:33:32,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:33:32,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:33:31" (1/3) ... [2020-07-10 18:33:32,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd8586b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:33:32, skipping insertion in model container [2020-07-10 18:33:32,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:33:32" (2/3) ... [2020-07-10 18:33:32,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd8586b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:33:32, skipping insertion in model container [2020-07-10 18:33:32,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:33:32" (3/3) ... [2020-07-10 18:33:32,740 INFO L109 eAbstractionObserver]: Analyzing ICFG float13.c [2020-07-10 18:33:32,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:33:32,764 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-07-10 18:33:32,796 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-07-10 18:33:32,840 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:33:32,841 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:33:32,841 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:33:32,841 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:33:32,841 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:33:32,842 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:33:32,842 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:33:32,842 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:33:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-10 18:33:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-10 18:33:32,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:33:32,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:33:32,882 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:33:32,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:33:32,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1307681174, now seen corresponding path program 1 times [2020-07-10 18:33:32,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:33:32,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402876337] [2020-07-10 18:33:32,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:33:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:33:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:33:33,071 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:33:33,073 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 18:33:33,073 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 18:33:33,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:33:33,091 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-10 18:33:33,091 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:33:33,091 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:33:33,091 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 18:33:33,091 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-10 18:33:33,092 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:33:33,092 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:33:33,092 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-10 18:33:33,092 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-10 18:33:33,092 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 18:33:33,092 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 18:33:33,093 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-10 18:33:33,093 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 18:33:33,093 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-10 18:33:33,093 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-10 18:33:33,093 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-10 18:33:33,094 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 18:33:33,094 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-10 18:33:33,094 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-10 18:33:33,094 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-10 18:33:33,094 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-10 18:33:33,094 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-10 18:33:33,095 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 18:33:33,095 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 18:33:33,095 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-10 18:33:33,095 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-10 18:33:33,095 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-10 18:33:33,095 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-10 18:33:33,096 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-10 18:33:33,096 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-10 18:33:33,096 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-10 18:33:33,096 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-10 18:33:33,096 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 18:33:33,097 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-10 18:33:33,097 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-10 18:33:33,097 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-10 18:33:33,098 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-10 18:33:33,098 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-10 18:33:33,098 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-10 18:33:33,098 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-10 18:33:33,098 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-10 18:33:33,099 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2020-07-10 18:33:33,099 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 18:33:33,099 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-10 18:33:33,099 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-10 18:33:33,099 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-10 18:33:33,100 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-10 18:33:33,100 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-10 18:33:33,100 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-10 18:33:33,100 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-10 18:33:33,100 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-10 18:33:33,101 WARN L170 areAnnotationChecker]: L34-3 has no Hoare annotation [2020-07-10 18:33:33,101 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 18:33:33,101 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 18:33:33,101 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. [2020-07-10 18:33:33,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:33:33 BoogieIcfgContainer [2020-07-10 18:33:33,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 18:33:33,109 INFO L168 Benchmark]: Toolchain (without parser) took 1293.99 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 101.2 MB in the beginning and 143.5 MB in the end (delta: -42.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:33:33,110 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 18:33:33,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.10 ms. Allocated memory is still 142.6 MB. Free memory was 100.7 MB in the beginning and 90.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-10 18:33:33,113 INFO L168 Benchmark]: Boogie Preprocessor took 165.11 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 90.2 MB in the beginning and 180.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:33:33,113 INFO L168 Benchmark]: RCFGBuilder took 370.83 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 159.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-07-10 18:33:33,114 INFO L168 Benchmark]: TraceAbstraction took 373.81 ms. Allocated memory is still 201.3 MB. Free memory was 159.7 MB in the beginning and 143.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2020-07-10 18:33:33,118 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 0.19 ms. Allocated memory is still 142.6 MB. Free memory was 119.3 MB in the beginning and 119.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 377.10 ms. Allocated memory is still 142.6 MB. Free memory was 100.7 MB in the beginning and 90.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.11 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 90.2 MB in the beginning and 180.0 MB in the end (delta: -89.8 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.83 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 159.7 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 373.81 ms. Allocated memory is still 201.3 MB. Free memory was 159.7 MB in the beginning and 143.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 5. Possible FailurePath: [L3] const float plus_infinity = 1.0f/0.0f; [L4] const float minus_infinity = 0.0f/-0.0f; [L5] const float NaN = 0.0f * (1.0f/0.0f); [L9] _Bool temp; [L12] temp = NaN < plus_infinity [L13] COND TRUE !(!temp) [L13] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 8 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=45occurred 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: No data available, 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...