/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/floats-cbmc-regression/float-no-simp1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:58:56,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:58:56,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:58:56,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:58:56,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:58:56,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:58:56,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:58:56,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:58:56,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:58:56,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:58:56,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:58:56,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:58:56,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:58:56,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:58:56,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:58:56,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:58:56,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:58:56,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:58:56,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:58:56,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:58:56,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:58:56,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:58:56,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:58:56,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:58:56,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:58:56,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:58:56,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:58:56,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:58:56,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:58:56,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:58:56,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:58:56,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:58:56,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:58:56,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:58:56,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:58:56,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:58:56,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:58:56,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:58:56,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:58:56,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:58:56,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:58:56,628 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 21:58:56,654 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:58:56,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:58:56,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:58:56,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:58:56,656 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:58:56,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:58:56,657 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:58:56,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:58:56,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:58:56,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:58:56,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:58:56,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:58:56,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:58:56,658 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:58:56,658 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:58:56,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:58:56,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:58:56,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:58:56,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:58:56,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:58:56,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:58:56,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:58:56,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:58:56,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:58:56,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:58:56,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:58:56,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:58:56,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:58:56,661 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:58:56,661 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:58:56,926 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:58:56,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:58:56,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:58:56,940 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:58:56,941 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:58:56,941 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2020-07-17 21:58:57,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db36e830/bcb6b38dc32642008ecf60a4a68180ec/FLAG2001a8ebb [2020-07-17 21:58:57,399 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:58:57,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp1.c [2020-07-17 21:58:57,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db36e830/bcb6b38dc32642008ecf60a4a68180ec/FLAG2001a8ebb [2020-07-17 21:58:57,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3db36e830/bcb6b38dc32642008ecf60a4a68180ec [2020-07-17 21:58:57,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:58:57,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:58:57,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:58:57,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:58:57,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:58:57,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:58:57" (1/1) ... [2020-07-17 21:58:57,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5689d6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:57, skipping insertion in model container [2020-07-17 21:58:57,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:58:57" (1/1) ... [2020-07-17 21:58:57,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:58:57,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:58:58,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:58:58,075 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:58:58,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:58:58,104 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:58:58,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58 WrapperNode [2020-07-17 21:58:58,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:58:58,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:58:58,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:58:58,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:58:58,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (1/1) ... [2020-07-17 21:58:58,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (1/1) ... [2020-07-17 21:58:58,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (1/1) ... [2020-07-17 21:58:58,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (1/1) ... [2020-07-17 21:58:58,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (1/1) ... [2020-07-17 21:58:58,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (1/1) ... [2020-07-17 21:58:58,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (1/1) ... [2020-07-17 21:58:58,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:58:58,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:58:58,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:58:58,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:58:58,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (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 21:58:58,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:58:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:58:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:58:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:58:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:58:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:58:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:58:58,438 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:58:58,439 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 21:58:58,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:58:58 BoogieIcfgContainer [2020-07-17 21:58:58,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:58:58,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:58:58,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:58:58,446 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:58:58,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:58:57" (1/3) ... [2020-07-17 21:58:58,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105bfdad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:58:58, skipping insertion in model container [2020-07-17 21:58:58,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:58:58" (2/3) ... [2020-07-17 21:58:58,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105bfdad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:58:58, skipping insertion in model container [2020-07-17 21:58:58,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:58:58" (3/3) ... [2020-07-17 21:58:58,450 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp1.c [2020-07-17 21:58:58,460 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:58:58,467 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:58:58,481 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:58:58,507 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:58:58,507 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:58:58,507 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:58:58,507 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:58:58,507 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:58:58,508 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:58:58,508 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:58:58,508 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:58:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-17 21:58:58,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-17 21:58:58,536 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:58:58,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:58:58,537 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:58:58,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:58:58,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2020-07-17 21:58:58,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:58:58,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177353183] [2020-07-17 21:58:58,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:58:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:58:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:58:58,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:58:58,679 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:58:58,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:58:58,695 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 21:58:58,696 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:58:58,697 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-17 21:58:58,697 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-17 21:58:58,697 WARN L170 areAnnotationChecker]: L10-3 has no Hoare annotation [2020-07-17 21:58:58,697 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:58:58,697 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 21:58:58,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:58:58 BoogieIcfgContainer [2020-07-17 21:58:58,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:58:58,704 INFO L168 Benchmark]: Toolchain (without parser) took 882.44 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 103.8 MB in the beginning and 157.5 MB in the end (delta: -53.7 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:58:58,705 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 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 21:58:58,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.98 ms. Allocated memory is still 145.2 MB. Free memory was 103.4 MB in the beginning and 94.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:58:58,708 INFO L168 Benchmark]: Boogie Preprocessor took 29.19 ms. Allocated memory is still 145.2 MB. Free memory was 94.2 MB in the beginning and 92.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:58:58,709 INFO L168 Benchmark]: RCFGBuilder took 307.24 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 170.5 MB in the end (delta: -77.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-17 21:58:58,710 INFO L168 Benchmark]: TraceAbstraction took 257.46 ms. Allocated memory is still 202.4 MB. Free memory was 170.5 MB in the beginning and 157.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-07-17 21:58:58,714 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 0.18 ms. Allocated memory is still 145.2 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 281.98 ms. Allocated memory is still 145.2 MB. Free memory was 103.4 MB in the beginning and 94.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.19 ms. Allocated memory is still 145.2 MB. Free memory was 94.2 MB in the beginning and 92.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 307.24 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.6 MB in the beginning and 170.5 MB in the end (delta: -77.9 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 257.46 ms. Allocated memory is still 202.4 MB. Free memory was 170.5 MB in the beginning and 157.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 8. Possible FailurePath: [L4] unsigned int i, j; [L5] double d; [L7] i=100.0 [L8] d=i [L9] j=d [L10] COND TRUE !(j==100) VAL [j=0] [L10] __VERIFIER_error() VAL [j=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred 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, 7 NumberOfCodeBlocks, 7 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...