/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/float-benchs/inv_square_int.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:52:49,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:52:49,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:52:49,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:52:49,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:52:49,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:52:49,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:52:49,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:52:49,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:52:49,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:52:49,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:52:49,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:52:49,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:52:49,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:52:49,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:52:49,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:52:49,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:52:49,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:52:49,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:52:49,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:52:49,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:52:49,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:52:49,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:52:49,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:52:49,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 15:52:49,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 15:52:49,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 15:52:49,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 15:52:49,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 15:52:49,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 15:52:49,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 15:52:49,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 15:52:49,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 15:52:49,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 15:52:49,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 15:52:49,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 15:52:49,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 15:52:49,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 15:52:49,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:52:49,797 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:52:49,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:52:49,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 15:52:49,808 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:52:49,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:52:49,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:52:49,809 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:52:49,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:52:49,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:52:49,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:52:49,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:52:49,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:52:49,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:52:49,811 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:52:49,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:52:49,811 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:52:49,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:52:49,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:52:49,812 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:52:49,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:52:49,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:52:49,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:52:49,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:52:49,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:52:49,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:52:49,813 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:52:50,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:52:50,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:52:50,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:52:50,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:52:50,119 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:52:50,120 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_square_int.c [2020-07-08 15:52:50,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc30027e4/4092bc129dfe4dc0a16482ef98f996ca/FLAGd1025bd34 [2020-07-08 15:52:50,648 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:52:50,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_square_int.c [2020-07-08 15:52:50,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc30027e4/4092bc129dfe4dc0a16482ef98f996ca/FLAGd1025bd34 [2020-07-08 15:52:51,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc30027e4/4092bc129dfe4dc0a16482ef98f996ca [2020-07-08 15:52:51,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:52:51,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:52:51,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:52:51,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:52:51,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:52:51,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b8024a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51, skipping insertion in model container [2020-07-08 15:52:51,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:52:51,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:52:51,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:52:51,213 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:52:51,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:52:51,246 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:52:51,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51 WrapperNode [2020-07-08 15:52:51,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:52:51,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:52:51,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:52:51,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:52:51,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (1/1) ... [2020-07-08 15:52:51,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:52:51,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:52:51,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:52:51,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:52:51,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (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 [2020-07-08 15:52:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:52:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:52:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-08 15:52:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 15:52:51,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:52:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:52:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 15:52:51,422 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-08 15:52:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-08 15:52:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 15:52:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:52:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:52:51,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:52:51,702 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:52:51,702 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 15:52:51,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:52:51 BoogieIcfgContainer [2020-07-08 15:52:51,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:52:51,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:52:51,715 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:52:51,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:52:51,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:52:51" (1/3) ... [2020-07-08 15:52:51,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5227ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:52:51, skipping insertion in model container [2020-07-08 15:52:51,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:51" (2/3) ... [2020-07-08 15:52:51,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5227ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:52:51, skipping insertion in model container [2020-07-08 15:52:51,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:52:51" (3/3) ... [2020-07-08 15:52:51,725 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_square_int.c [2020-07-08 15:52:51,737 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:52:51,744 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:52:51,758 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:52:51,782 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:52:51,783 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:52:51,783 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:52:51,784 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:52:51,784 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:52:51,784 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:52:51,787 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:52:51,787 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:52:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-07-08 15:52:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-08 15:52:51,809 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:52:51,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:52:51,810 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:52:51,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:52:51,816 INFO L82 PathProgramCache]: Analyzing trace with hash -865761349, now seen corresponding path program 1 times [2020-07-08 15:52:51,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:52:51,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1083344660] [2020-07-08 15:52:51,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:52:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:52:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:52:51,957 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:52:51,959 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 15:52:51,959 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 15:52:51,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:52:51,977 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 15:52:51,977 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:52:51,977 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:52:51,978 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-08 15:52:51,978 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 15:52:51,978 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 15:52:51,978 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 15:52:51,978 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:52:51,978 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:52:51,978 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 15:52:51,979 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-08 15:52:51,979 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 15:52:51,979 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 15:52:51,979 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 15:52:51,979 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 15:52:51,979 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-08 15:52:51,980 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-08 15:52:51,980 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 15:52:51,980 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 15:52:51,980 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 15:52:51,980 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-08 15:52:51,980 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-08 15:52:51,981 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-08 15:52:51,981 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 15:52:51,981 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-08 15:52:51,981 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-08 15:52:51,981 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 15:52:51,981 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 15:52:51,981 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 15:52:51,982 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2020-07-08 15:52:51,982 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-08 15:52:51,982 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 15:52:51,982 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 15:52:51,982 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 15:52:51,982 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 15:52:51,983 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. [2020-07-08 15:52:51,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 03:52:51 BoogieIcfgContainer [2020-07-08 15:52:51,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 15:52:51,991 INFO L168 Benchmark]: Toolchain (without parser) took 969.77 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 148.6 MB in the end (delta: -46.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:51,992 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 15:52:51,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.61 ms. Allocated memory is still 136.8 MB. Free memory was 101.6 MB in the beginning and 92.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:51,994 INFO L168 Benchmark]: Boogie Preprocessor took 31.94 ms. Allocated memory is still 136.8 MB. Free memory was 92.1 MB in the beginning and 90.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:51,995 INFO L168 Benchmark]: RCFGBuilder took 427.31 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 90.5 MB in the beginning and 163.9 MB in the end (delta: -73.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:51,996 INFO L168 Benchmark]: TraceAbstraction took 272.28 ms. Allocated memory is still 200.8 MB. Free memory was 163.9 MB in the beginning and 148.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:52,000 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 0.22 ms. Allocated memory is still 136.8 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.61 ms. Allocated memory is still 136.8 MB. Free memory was 101.6 MB in the beginning and 92.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.94 ms. Allocated memory is still 136.8 MB. Free memory was 92.1 MB in the beginning and 90.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 427.31 ms. Allocated memory was 136.8 MB in the beginning and 200.8 MB in the end (delta: 64.0 MB). Free memory was 90.5 MB in the beginning and 163.9 MB in the end (delta: -73.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 272.28 ms. Allocated memory is still 200.8 MB. Free memory was 163.9 MB in the beginning and 148.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 11]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L15] int x; [L16] float y, z; [L18] x = __VERIFIER_nondet_int() [L19] CALL assume_abort_if_not(x >= -10 && x <= 10) [L9] COND FALSE !(!cond) [L19] RET assume_abort_if_not(x >= -10 && x <= 10) [L21] y = x*x - 2.f [L22] CALL __VERIFIER_assert(y != 0.f) [L11] COND TRUE !(cond) [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 30 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=30occurred 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...