/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 17:54:22,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 17:54:22,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 17:54:22,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 17:54:22,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 17:54:22,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 17:54:22,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 17:54:22,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 17:54:22,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 17:54:22,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 17:54:22,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 17:54:22,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 17:54:22,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 17:54:22,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 17:54:22,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 17:54:22,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 17:54:22,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 17:54:22,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 17:54:22,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 17:54:22,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 17:54:22,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 17:54:22,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 17:54:22,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 17:54:22,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 17:54:22,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 17:54:22,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 17:54:22,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 17:54:22,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 17:54:22,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 17:54:22,855 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 17:54:22,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 17:54:22,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 17:54:22,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 17:54:22,858 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 17:54:22,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 17:54:22,859 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 17:54:22,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 17:54:22,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 17:54:22,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 17:54:22,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 17:54:22,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 17:54:22,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 17:54:22,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 17:54:22,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 17:54:22,862 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 17:54:22,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 17:54:22,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 17:54:22,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 17:54:22,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 17:54:22,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 17:54:22,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 17:54:22,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 17:54:22,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 17:54:22,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 17:54:22,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 17:54:22,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 17:54:22,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 17:54:22,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 17:54:22,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 17:54:23,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 17:54:23,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 17:54:23,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 17:54:23,285 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 17:54:23,286 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 17:54:23,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-10-23 17:54:23,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe75904f/2b073bcd87ae49d88f2082e1530aeea4/FLAG09d9c1d49 [2020-10-23 17:54:23,987 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 17:54:23,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/cast_union_tight.c [2020-10-23 17:54:23,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe75904f/2b073bcd87ae49d88f2082e1530aeea4/FLAG09d9c1d49 [2020-10-23 17:54:24,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbe75904f/2b073bcd87ae49d88f2082e1530aeea4 [2020-10-23 17:54:24,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 17:54:24,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 17:54:24,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 17:54:24,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 17:54:24,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 17:54:24,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370ced97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24, skipping insertion in model container [2020-10-23 17:54:24,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 17:54:24,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 17:54:24,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:54:24,620 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 17:54:24,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:54:24,662 INFO L208 MainTranslator]: Completed translation [2020-10-23 17:54:24,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24 WrapperNode [2020-10-23 17:54:24,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 17:54:24,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 17:54:24,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 17:54:24,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 17:54:24,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (1/1) ... [2020-10-23 17:54:24,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 17:54:24,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 17:54:24,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 17:54:24,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 17:54:24,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (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 [2020-10-23 17:54:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 17:54:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 17:54:24,796 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 17:54:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-23 17:54:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-10-23 17:54:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 17:54:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 17:54:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 17:54:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 17:54:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 17:54:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 17:54:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 17:54:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-10-23 17:54:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 17:54:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 17:54:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-23 17:54:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 17:54:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 17:54:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 17:54:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 17:54:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 17:54:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-23 17:54:25,305 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 17:54:25,306 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 17:54:25,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:54:25 BoogieIcfgContainer [2020-10-23 17:54:25,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 17:54:25,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 17:54:25,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 17:54:25,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 17:54:25,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:54:24" (1/3) ... [2020-10-23 17:54:25,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418455c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:54:25, skipping insertion in model container [2020-10-23 17:54:25,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:54:24" (2/3) ... [2020-10-23 17:54:25,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418455c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:54:25, skipping insertion in model container [2020-10-23 17:54:25,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:54:25" (3/3) ... [2020-10-23 17:54:25,318 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_union_tight.c [2020-10-23 17:54:25,329 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 17:54:25,333 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 17:54:25,347 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 17:54:25,374 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 17:54:25,375 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 17:54:25,375 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 17:54:25,375 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 17:54:25,375 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 17:54:25,375 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 17:54:25,375 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 17:54:25,376 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 17:54:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-23 17:54:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-23 17:54:25,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:54:25,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:54:25,399 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:54:25,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:54:25,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2103804219, now seen corresponding path program 1 times [2020-10-23 17:54:25,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:54:25,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378685478] [2020-10-23 17:54:25,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:54:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 17:54:25,586 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 17:54:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 17:54:25,684 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 17:54:25,745 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-23 17:54:25,746 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 17:54:25,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 17:54:25,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:54:25 BoogieIcfgContainer [2020-10-23 17:54:25,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 17:54:25,783 INFO L168 Benchmark]: Toolchain (without parser) took 1416.14 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 117.2 MB in the end (delta: 8.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. [2020-10-23 17:54:25,784 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 17:54:25,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 115.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-23 17:54:25,786 INFO L168 Benchmark]: Boogie Preprocessor took 40.60 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:54:25,788 INFO L168 Benchmark]: RCFGBuilder took 602.31 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 133.0 MB in the end (delta: -18.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 8.0 GB. [2020-10-23 17:54:25,789 INFO L168 Benchmark]: TraceAbstraction took 470.09 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 117.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2020-10-23 17:54:25,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 288.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 115.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.60 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 602.31 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 133.0 MB in the end (delta: -18.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 470.09 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 117.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 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 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 23, overapproximation of bitwiseXor at line 22. Possible FailurePath: [L28] int a; [L29] double r; [L31] a = __VERIFIER_nondet_int() [L33] CALL, EXPR cast(a) VAL [\old(i)=-1] [L18] union u x, y; [L19] x.i[0] = 0x43300000 [L20] EXPR x.i[0] [L20] y.i[0] = x.i[0] [L21] x.i[1] = 0x80000000 [L22] EXPR x.i[1] [L22] y.i[1] = i ^ x.i[1] [L23] EXPR y.d [L23] EXPR x.d [L23] return y.d - x.d; [L23] return y.d - x.d; [L23] return y.d - x.d; VAL [\old(i)=-1, i=-1] [L33] RET, EXPR cast(a) VAL [a=-1, cast(a)=1127219212] [L33] r = cast(a) [L34] CALL __VERIFIER_assert(r == a) VAL [\old(cond)=0] [L9] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L9] CALL reach_error() [L3] __assert_fail("0", "cast_union_tight.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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=27occurred 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...