/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/float_double.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 18:33:59,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 18:33:59,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 18:33:59,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 18:33:59,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 18:33:59,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 18:33:59,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 18:33:59,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 18:33:59,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 18:33:59,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 18:33:59,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 18:33:59,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 18:33:59,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 18:33:59,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 18:33:59,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 18:33:59,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 18:33:59,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 18:33:59,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 18:33:59,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 18:33:59,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 18:33:59,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 18:33:59,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 18:33:59,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 18:34:00,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 18:34:00,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 18:34:00,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 18:34:00,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 18:34:00,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 18:34:00,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 18:34:00,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 18:34:00,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 18:34:00,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 18:34:00,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 18:34:00,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 18:34:00,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 18:34:00,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 18:34:00,015 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 18:34:00,042 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 18:34:00,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 18:34:00,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 18:34:00,046 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 18:34:00,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 18:34:00,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 18:34:00,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 18:34:00,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 18:34:00,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 18:34:00,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 18:34:00,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 18:34:00,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 18:34:00,051 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 18:34:00,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 18:34:00,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 18:34:00,052 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 18:34:00,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 18:34:00,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 18:34:00,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 18:34:00,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 18:34:00,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 18:34:00,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 18:34:00,053 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 18:34:00,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 18:34:00,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 18:34:00,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 18:34:00,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 18:34:00,346 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 18:34:00,347 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/float_double.c [2020-07-10 18:34:00,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5ef9ab3/57e607f609f14e06a6f6756c7b3497e3/FLAG147c61f45 [2020-07-10 18:34:00,890 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 18:34:00,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/float_double.c [2020-07-10 18:34:00,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5ef9ab3/57e607f609f14e06a6f6756c7b3497e3/FLAG147c61f45 [2020-07-10 18:34:01,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5ef9ab3/57e607f609f14e06a6f6756c7b3497e3 [2020-07-10 18:34:01,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 18:34:01,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 18:34:01,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:01,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 18:34:01,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 18:34:01,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe1278f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01, skipping insertion in model container [2020-07-10 18:34:01,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 18:34:01,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 18:34:01,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:01,536 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 18:34:01,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 18:34:01,566 INFO L208 MainTranslator]: Completed translation [2020-07-10 18:34:01,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01 WrapperNode [2020-07-10 18:34:01,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 18:34:01,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 18:34:01,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 18:34:01,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 18:34:01,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (1/1) ... [2020-07-10 18:34:01,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 18:34:01,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 18:34:01,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 18:34:01,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 18:34:01,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (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 18:34:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 18:34:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 18:34:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-10 18:34:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 18:34:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 18:34:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-10 18:34:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 18:34:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 18:34:01,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 18:34:01,941 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 18:34:01,941 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 18:34:01,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:01 BoogieIcfgContainer [2020-07-10 18:34:01,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 18:34:01,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 18:34:01,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 18:34:01,950 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 18:34:01,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 06:34:01" (1/3) ... [2020-07-10 18:34:01,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35868537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:01, skipping insertion in model container [2020-07-10 18:34:01,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 06:34:01" (2/3) ... [2020-07-10 18:34:01,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35868537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:34:01, skipping insertion in model container [2020-07-10 18:34:01,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:34:01" (3/3) ... [2020-07-10 18:34:01,954 INFO L109 eAbstractionObserver]: Analyzing ICFG float_double.c [2020-07-10 18:34:01,966 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 18:34:01,976 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 18:34:01,996 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 18:34:02,019 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 18:34:02,020 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 18:34:02,020 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 18:34:02,020 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 18:34:02,020 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 18:34:02,020 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 18:34:02,021 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 18:34:02,021 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 18:34:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-10 18:34:02,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-10 18:34:02,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 18:34:02,052 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 18:34:02,053 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 18:34:02,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 18:34:02,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1022872766, now seen corresponding path program 1 times [2020-07-10 18:34:02,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 18:34:02,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226092593] [2020-07-10 18:34:02,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 18:34:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:34:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 18:34:02,243 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 18:34:02,245 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-10 18:34:02,245 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 18:34:02,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 18:34:02,262 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 18:34:02,262 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:34:02,262 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 18:34:02,263 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 18:34:02,263 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-10 18:34:02,263 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 18:34:02,263 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:34:02,263 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 18:34:02,263 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-10 18:34:02,264 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-10 18:34:02,264 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-10 18:34:02,264 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 18:34:02,264 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 18:34:02,264 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-10 18:34:02,264 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-10 18:34:02,265 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-10 18:34:02,265 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-10 18:34:02,265 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-10 18:34:02,265 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-10 18:34:02,265 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 18:34:02,265 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 18:34:02,266 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 18:34:02,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 06:34:02 BoogieIcfgContainer [2020-07-10 18:34:02,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 18:34:02,274 INFO L168 Benchmark]: Toolchain (without parser) took 979.44 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 105.1 MB in the beginning and 154.8 MB in the end (delta: -49.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:02,275 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 18:34:02,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.96 ms. Allocated memory is still 146.8 MB. Free memory was 104.9 MB in the beginning and 95.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:02,277 INFO L168 Benchmark]: Boogie Preprocessor took 111.12 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 95.5 MB in the beginning and 182.6 MB in the end (delta: -87.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:02,278 INFO L168 Benchmark]: RCFGBuilder took 266.80 ms. Allocated memory is still 203.4 MB. Free memory was 181.9 MB in the beginning and 169.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:02,279 INFO L168 Benchmark]: TraceAbstraction took 323.55 ms. Allocated memory is still 203.4 MB. Free memory was 168.6 MB in the beginning and 155.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 7.1 GB. [2020-07-10 18:34:02,283 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 0.25 ms. Allocated memory is still 146.8 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 272.96 ms. Allocated memory is still 146.8 MB. Free memory was 104.9 MB in the beginning and 95.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.12 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 95.5 MB in the beginning and 182.6 MB in the end (delta: -87.1 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.80 ms. Allocated memory is still 203.4 MB. Free memory was 181.9 MB in the beginning and 169.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 323.55 ms. Allocated memory is still 203.4 MB. Free memory was 168.6 MB in the beginning and 155.5 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] double x = 1e20 + 1.; [L9] float y = x; [L10] CALL __VERIFIER_assert(x != y) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 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=18occurred 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...