/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 00:16:55,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 00:16:55,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 00:16:55,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 00:16:55,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 00:16:55,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 00:16:55,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 00:16:55,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 00:16:55,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 00:16:55,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 00:16:55,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 00:16:55,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 00:16:55,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 00:16:55,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 00:16:55,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 00:16:55,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 00:16:55,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 00:16:55,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 00:16:55,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 00:16:55,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 00:16:55,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 00:16:55,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 00:16:55,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 00:16:55,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 00:16:55,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 00:16:55,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 00:16:55,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 00:16:55,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 00:16:55,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 00:16:55,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 00:16:55,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 00:16:55,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 00:16:55,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 00:16:55,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 00:16:55,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 00:16:55,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 00:16:55,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 00:16:55,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 00:16:55,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 00:16:55,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 00:16:55,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 00:16:55,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 00:16:55,888 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 00:16:55,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 00:16:55,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 00:16:55,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 00:16:55,890 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 00:16:55,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 00:16:55,891 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 00:16:55,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 00:16:55,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 00:16:55,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 00:16:55,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 00:16:55,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 00:16:55,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 00:16:55,893 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 00:16:55,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 00:16:55,894 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 00:16:55,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 00:16:55,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 00:16:55,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 00:16:55,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 00:16:55,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 00:16:55,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 00:16:55,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 00:16:55,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 00:16:55,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 00:16:55,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 00:16:55,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 00:16:55,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 00:16:55,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 00:16:55,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4; [2020-08-19 00:16:56,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 00:16:56,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 00:16:56,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 00:16:56,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 00:16:56,264 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 00:16:56,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-08-19 00:16:56,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a9977cc1/198f4fcca8464130bab851437278d0e1/FLAG78fa2fd69 [2020-08-19 00:16:56,824 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 00:16:56,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_ptr.c [2020-08-19 00:16:56,831 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a9977cc1/198f4fcca8464130bab851437278d0e1/FLAG78fa2fd69 [2020-08-19 00:16:57,170 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8a9977cc1/198f4fcca8464130bab851437278d0e1 [2020-08-19 00:16:57,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 00:16:57,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 00:16:57,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 00:16:57,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 00:16:57,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 00:16:57,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d7e22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57, skipping insertion in model container [2020-08-19 00:16:57,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 00:16:57,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 00:16:57,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:16:57,403 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 00:16:57,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 00:16:57,438 INFO L208 MainTranslator]: Completed translation [2020-08-19 00:16:57,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57 WrapperNode [2020-08-19 00:16:57,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 00:16:57,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 00:16:57,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 00:16:57,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 00:16:57,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... [2020-08-19 00:16:57,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 00:16:57,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 00:16:57,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 00:16:57,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 00:16:57,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-19 00:16:57,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 00:16:57,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 00:16:57,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-19 00:16:57,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-08-19 00:16:57,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 00:16:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 00:16:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-08-19 00:16:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-19 00:16:57,633 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-08-19 00:16:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 00:16:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-19 00:16:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 00:16:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 00:16:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 00:16:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-19 00:16:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 00:16:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 00:16:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 00:16:57,897 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 00:16:57,897 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 00:16:57,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:16:57 BoogieIcfgContainer [2020-08-19 00:16:57,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 00:16:57,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 00:16:57,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 00:16:57,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 00:16:57,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 12:16:57" (1/3) ... [2020-08-19 00:16:57,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64213c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:16:57, skipping insertion in model container [2020-08-19 00:16:57,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 12:16:57" (2/3) ... [2020-08-19 00:16:57,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64213c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 12:16:57, skipping insertion in model container [2020-08-19 00:16:57,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 12:16:57" (3/3) ... [2020-08-19 00:16:57,911 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_ptr.c [2020-08-19 00:16:57,922 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 00:16:57,930 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 00:16:57,955 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 00:16:57,991 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 00:16:57,991 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 00:16:57,991 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 00:16:57,992 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 00:16:57,992 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 00:16:57,992 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 00:16:57,992 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 00:16:57,993 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 00:16:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-08-19 00:16:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-08-19 00:16:58,025 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 00:16:58,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 00:16:58,027 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 00:16:58,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 00:16:58,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1713573888, now seen corresponding path program 1 times [2020-08-19 00:16:58,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 00:16:58,046 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [429665662] [2020-08-19 00:16:58,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 00:16:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-19 00:16:58,212 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-19 00:16:58,214 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-19 00:16:58,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 00:16:58,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 12:16:58 BoogieIcfgContainer [2020-08-19 00:16:58,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 00:16:58,242 INFO L168 Benchmark]: Toolchain (without parser) took 1060.22 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 105.1 MB in the beginning and 151.9 MB in the end (delta: -46.8 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2020-08-19 00:16:58,243 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-19 00:16:58,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.52 ms. Allocated memory is still 141.6 MB. Free memory was 104.9 MB in the beginning and 94.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-08-19 00:16:58,246 INFO L168 Benchmark]: Boogie Preprocessor took 134.51 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 94.8 MB in the beginning and 183.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-08-19 00:16:58,247 INFO L168 Benchmark]: RCFGBuilder took 327.06 ms. Allocated memory is still 205.0 MB. Free memory was 183.1 MB in the beginning and 165.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. [2020-08-19 00:16:58,248 INFO L168 Benchmark]: TraceAbstraction took 336.15 ms. Allocated memory is still 205.0 MB. Free memory was 164.7 MB in the beginning and 151.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-08-19 00:16:58,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 257.52 ms. Allocated memory is still 141.6 MB. Free memory was 104.9 MB in the beginning and 94.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.51 ms. Allocated memory was 141.6 MB in the beginning and 205.0 MB in the end (delta: 63.4 MB). Free memory was 94.8 MB in the beginning and 183.1 MB in the end (delta: -88.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 327.06 ms. Allocated memory is still 205.0 MB. Free memory was 183.1 MB in the beginning and 165.4 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 336.15 ms. Allocated memory is still 205.0 MB. Free memory was 164.7 MB in the beginning and 151.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 23, overapproximation of bitwiseAnd at line 11. Possible FailurePath: [L32] double a; [L33] float r; [L35] a = __VERIFIER_nondet_double() [L36] CALL cast(a) [L8] double dmax; [L9] float f; [L11] EXPR \read(d) [L11] COND FALSE !((((*(unsigned*)&d) & 0x7FF00000) >> 20) == 2047) [L13] ((unsigned*)&dmax)[0] = 0x47efffff [L14] ((unsigned*)&dmax)[1] = 0xe0000000 [L16] EXPR \read(d) [L16] EXPR \read(dmax) [L16] COND FALSE !(d > dmax) [L19] EXPR \read(d) [L19] EXPR \read(dmax) [L19] COND FALSE !(-d > dmax) [L23] EXPR \read(d) [L23] EXPR d >= -3.41e38 && d <= 3.41e38 [L23] EXPR \read(d) [L23] EXPR d >= -3.41e38 && d <= 3.41e38 [L23] CALL __VERIFIER_assert(d >= -3.41e38 && d <= 3.41e38) [L3] COND TRUE !(cond) [L3] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 28 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=28occurred 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, 16 NumberOfCodeBlocks, 16 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...