/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 0.1.25-267fbe0 [2020-07-18 00:12:56,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:12:56,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:12:56,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:12:56,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:12:56,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:12:56,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:12:56,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:12:56,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:12:56,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:12:56,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:12:56,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:12:56,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:12:56,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:12:56,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:12:56,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:12:56,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:12:56,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:12:56,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:12:56,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:12:56,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:12:56,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:12:56,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:12:56,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:12:56,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:12:56,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:12:56,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:12:56,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:12:56,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:12:56,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 00:12:56,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 00:12:56,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 00:12:56,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 00:12:56,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 00:12:56,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 00:12:56,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 00:12:56,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 00:12:56,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 00:12:56,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:12:56,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:12:56,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:12:56,554 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:12:56,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:12:56,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:12:56,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:12:56,565 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:12:56,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:12:56,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:12:56,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:12:56,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:12:56,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:12:56,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:12:56,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:12:56,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:12:56,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:12:56,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:12:56,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:12:56,568 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:12:56,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:12:56,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:12:56,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:12:56,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:12:56,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:12:56,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:12:56,569 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:12:56,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:12:56,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:12:56,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:12:56,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:12:56,866 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:12:56,867 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_square_int.c [2020-07-18 00:12:56,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a73c78e/c1fe21bae713459cb7fcf7f098e94ee9/FLAG6ef4c6048 [2020-07-18 00:12:57,386 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:12:57,386 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_square_int.c [2020-07-18 00:12:57,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a73c78e/c1fe21bae713459cb7fcf7f098e94ee9/FLAG6ef4c6048 [2020-07-18 00:12:57,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a73c78e/c1fe21bae713459cb7fcf7f098e94ee9 [2020-07-18 00:12:57,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:12:57,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:12:57,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:12:57,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:12:57,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:12:57,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:12:57" (1/1) ... [2020-07-18 00:12:57,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bbc0375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:57, skipping insertion in model container [2020-07-18 00:12:57,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:12:57" (1/1) ... [2020-07-18 00:12:57,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:12:57,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:12:58,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:12:58,092 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:12:58,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:12:58,132 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:12:58,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58 WrapperNode [2020-07-18 00:12:58,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:12:58,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:12:58,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:12:58,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:12:58,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (1/1) ... [2020-07-18 00:12:58,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (1/1) ... [2020-07-18 00:12:58,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (1/1) ... [2020-07-18 00:12:58,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (1/1) ... [2020-07-18 00:12:58,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (1/1) ... [2020-07-18 00:12:58,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (1/1) ... [2020-07-18 00:12:58,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (1/1) ... [2020-07-18 00:12:58,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:12:58,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:12:58,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:12:58,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:12:58,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (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 [2020-07-18 00:12:58,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:12:58,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:12:58,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-18 00:12:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-18 00:12:58,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:12:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:12:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:12:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-18 00:12:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-18 00:12:58,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-18 00:12:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:12:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:12:58,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:12:58,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:12:58,573 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:12:58,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:12:58 BoogieIcfgContainer [2020-07-18 00:12:58,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:12:58,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:12:58,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:12:58,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:12:58,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:12:57" (1/3) ... [2020-07-18 00:12:58,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1982f6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:12:58, skipping insertion in model container [2020-07-18 00:12:58,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:12:58" (2/3) ... [2020-07-18 00:12:58,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1982f6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:12:58, skipping insertion in model container [2020-07-18 00:12:58,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:12:58" (3/3) ... [2020-07-18 00:12:58,586 INFO L109 eAbstractionObserver]: Analyzing ICFG inv_square_int.c [2020-07-18 00:12:58,601 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:12:58,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:12:58,627 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:12:58,657 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:12:58,658 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:12:58,658 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:12:58,658 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:12:58,660 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:12:58,661 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:12:58,661 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:12:58,661 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:12:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-07-18 00:12:58,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-18 00:12:58,696 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:12:58,697 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] [2020-07-18 00:12:58,697 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:12:58,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:12:58,703 INFO L82 PathProgramCache]: Analyzing trace with hash -865761349, now seen corresponding path program 1 times [2020-07-18 00:12:58,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:12:58,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511719306] [2020-07-18 00:12:58,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:12:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:12:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:12:58,864 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:12:58,866 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:12:58,866 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:12:58,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:12:58,882 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:12:58,882 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:12:58,883 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:12:58,883 WARN L170 areAnnotationChecker]: assume_abort_if_notENTRY has no Hoare annotation [2020-07-18 00:12:58,883 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:12:58,883 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-18 00:12:58,883 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:12:58,883 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:12:58,883 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:12:58,884 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 00:12:58,884 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-18 00:12:58,884 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-18 00:12:58,884 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 00:12:58,884 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-18 00:12:58,884 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:12:58,885 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-18 00:12:58,885 WARN L170 areAnnotationChecker]: L9-3 has no Hoare annotation [2020-07-18 00:12:58,885 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-18 00:12:58,885 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 00:12:58,885 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-18 00:12:58,886 WARN L170 areAnnotationChecker]: L11-3 has no Hoare annotation [2020-07-18 00:12:58,886 WARN L170 areAnnotationChecker]: assume_abort_if_notEXIT has no Hoare annotation [2020-07-18 00:12:58,886 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-18 00:12:58,886 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-18 00:12:58,886 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-18 00:12:58,887 WARN L170 areAnnotationChecker]: L18-1 has no Hoare annotation [2020-07-18 00:12:58,887 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 00:12:58,887 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 00:12:58,887 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 00:12:58,887 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2020-07-18 00:12:58,887 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-18 00:12:58,888 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 00:12:58,888 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 00:12:58,888 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:12:58,888 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:12:58,888 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. [2020-07-18 00:12:58,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:12:58 BoogieIcfgContainer [2020-07-18 00:12:58,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:12:58,896 INFO L168 Benchmark]: Toolchain (without parser) took 1100.06 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 102.3 MB in the beginning and 148.9 MB in the end (delta: -46.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:58,897 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-18 00:12:58,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.35 ms. Allocated memory is still 145.8 MB. Free memory was 101.9 MB in the beginning and 92.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:58,899 INFO L168 Benchmark]: Boogie Preprocessor took 120.40 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 180.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:58,900 INFO L168 Benchmark]: RCFGBuilder took 323.39 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 164.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:58,901 INFO L168 Benchmark]: TraceAbstraction took 313.61 ms. Allocated memory is still 202.4 MB. Free memory was 164.5 MB in the beginning and 148.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2020-07-18 00:12:58,905 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 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 121.1 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 335.35 ms. Allocated memory is still 145.8 MB. Free memory was 101.9 MB in the beginning and 92.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.40 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 180.6 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.39 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 164.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 313.61 ms. Allocated memory is still 202.4 MB. Free memory was 164.5 MB in the beginning and 148.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 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: 0.2s, 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=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...