/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-newlib/double_req_bl_1230.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:57:34,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:57:34,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:57:34,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:57:34,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:57:34,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:57:34,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:57:34,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:57:34,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:57:34,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:57:34,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:57:34,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:57:34,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:57:34,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:57:34,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:57:34,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:57:34,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:57:34,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:57:34,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:57:34,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:57:34,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:57:34,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:57:34,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:57:34,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:57:34,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 21:57:34,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:57:34,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:57:34,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:57:34,857 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 [2020-11-06 21:57:34,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:57:34,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:57:34,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:57:34,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:57:34,917 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:57:34,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:57:34,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:57:34,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:57:34,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:57:34,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:57:34,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:57:34,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:57:34,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:57:34,919 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:57:34,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:57:34,919 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:57:34,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:57:34,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:57:34,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:57:34,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:57:34,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:57:34,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:57:34,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:57:34,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:57:34,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:57:34,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:57:34,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:57:34,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:57:34,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:57:34,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:57:35,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:57:35,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:57:35,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:57:35,381 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:57:35,382 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:57:35,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-11-06 21:57:35,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e3e6f1d/6ae56546a58d47e9a49e888ed0bc7ce1/FLAGc1cbb827b [2020-11-06 21:57:36,150 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:57:36,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1230.c [2020-11-06 21:57:36,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e3e6f1d/6ae56546a58d47e9a49e888ed0bc7ce1/FLAGc1cbb827b [2020-11-06 21:57:36,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e3e6f1d/6ae56546a58d47e9a49e888ed0bc7ce1 [2020-11-06 21:57:36,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:57:36,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:57:36,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:57:36,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:57:36,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:57:36,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39983443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36, skipping insertion in model container [2020-11-06 21:57:36,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:57:36,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:57:36,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:57:36,807 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:57:36,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:57:36,862 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:57:36,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36 WrapperNode [2020-11-06 21:57:36,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:57:36,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:57:36,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:57:36,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:57:36,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (1/1) ... [2020-11-06 21:57:36,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:57:36,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:57:36,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:57:36,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:57:36,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (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 [2020-11-06 21:57:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:57:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:57:36,991 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:57:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-11-06 21:57:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-11-06 21:57:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-11-06 21:57:36,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:57:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:57:36,992 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:57:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:57:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:57:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-11-06 21:57:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-11-06 21:57:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-11-06 21:57:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-06 21:57:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:57:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:57:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-11-06 21:57:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:57:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:57:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:57:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:57:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-06 21:57:36,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:57:37,381 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:57:37,381 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-11-06 21:57:37,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:37 BoogieIcfgContainer [2020-11-06 21:57:37,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:57:37,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:57:37,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:57:37,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:57:37,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:57:36" (1/3) ... [2020-11-06 21:57:37,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150f9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:37, skipping insertion in model container [2020-11-06 21:57:37,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:36" (2/3) ... [2020-11-06 21:57:37,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3150f9d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:37, skipping insertion in model container [2020-11-06 21:57:37,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:37" (3/3) ... [2020-11-06 21:57:37,404 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1230.c [2020-11-06 21:57:37,421 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:57:37,432 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 21:57:37,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 21:57:37,521 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:57:37,521 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:57:37,521 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:57:37,521 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:57:37,521 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:57:37,522 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:57:37,522 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:57:37,522 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:57:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-11-06 21:57:37,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 21:57:37,562 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:37,563 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:37,564 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:37,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:37,574 INFO L82 PathProgramCache]: Analyzing trace with hash -313398800, now seen corresponding path program 1 times [2020-11-06 21:57:37,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:37,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768581746] [2020-11-06 21:57:37,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:37,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:37,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-06 21:57:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:37,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768581746] [2020-11-06 21:57:37,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:37,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:57:37,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074527678] [2020-11-06 21:57:37,992 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:57:37,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:38,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:57:38,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:57:38,017 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 4 states. [2020-11-06 21:57:38,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:38,218 INFO L93 Difference]: Finished difference Result 76 states and 98 transitions. [2020-11-06 21:57:38,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 21:57:38,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-11-06 21:57:38,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:38,230 INFO L225 Difference]: With dead ends: 76 [2020-11-06 21:57:38,230 INFO L226 Difference]: Without dead ends: 37 [2020-11-06 21:57:38,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:57:38,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-06 21:57:38,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-06 21:57:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-06 21:57:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2020-11-06 21:57:38,283 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 27 [2020-11-06 21:57:38,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:38,283 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2020-11-06 21:57:38,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:57:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2020-11-06 21:57:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-06 21:57:38,286 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:38,286 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:38,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:57:38,287 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:38,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:38,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1555425548, now seen corresponding path program 1 times [2020-11-06 21:57:38,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:38,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205930770] [2020-11-06 21:57:38,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-06 21:57:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:38,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205930770] [2020-11-06 21:57:38,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:38,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:57:38,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076835695] [2020-11-06 21:57:38,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:57:38,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:38,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:57:38,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:57:38,547 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 6 states. [2020-11-06 21:57:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:38,749 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2020-11-06 21:57:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:57:38,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-11-06 21:57:38,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:38,753 INFO L225 Difference]: With dead ends: 53 [2020-11-06 21:57:38,753 INFO L226 Difference]: Without dead ends: 41 [2020-11-06 21:57:38,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:57:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-06 21:57:38,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-06 21:57:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-06 21:57:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-11-06 21:57:38,769 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 28 [2020-11-06 21:57:38,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:38,770 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-11-06 21:57:38,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:57:38,770 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-11-06 21:57:38,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-06 21:57:38,772 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:38,772 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:38,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:57:38,772 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:38,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:38,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1462218921, now seen corresponding path program 1 times [2020-11-06 21:57:38,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:38,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585820508] [2020-11-06 21:57:38,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 21:57:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:38,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585820508] [2020-11-06 21:57:38,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:38,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:57:38,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379321499] [2020-11-06 21:57:38,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:57:38,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:38,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:57:38,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:57:38,990 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 6 states. [2020-11-06 21:57:39,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:39,144 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2020-11-06 21:57:39,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:57:39,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-11-06 21:57:39,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:39,147 INFO L225 Difference]: With dead ends: 57 [2020-11-06 21:57:39,147 INFO L226 Difference]: Without dead ends: 45 [2020-11-06 21:57:39,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:57:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-06 21:57:39,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-11-06 21:57:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-06 21:57:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-11-06 21:57:39,158 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 31 [2020-11-06 21:57:39,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:39,158 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-11-06 21:57:39,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:57:39,159 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-11-06 21:57:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-06 21:57:39,160 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:39,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:39,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:57:39,160 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:39,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:39,161 INFO L82 PathProgramCache]: Analyzing trace with hash 951684744, now seen corresponding path program 1 times [2020-11-06 21:57:39,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:39,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027598046] [2020-11-06 21:57:39,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:57:39,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:57:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:57:39,240 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:57:39,284 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:57:39,285 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:57:39,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:57:39,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:57:39 BoogieIcfgContainer [2020-11-06 21:57:39,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:57:39,366 INFO L168 Benchmark]: Toolchain (without parser) took 2820.38 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.3 MB in the beginning and 117.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 40.6 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:39,368 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:57:39,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 116.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:39,373 INFO L168 Benchmark]: Boogie Preprocessor took 44.30 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:39,375 INFO L168 Benchmark]: RCFGBuilder took 473.80 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 96.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:39,377 INFO L168 Benchmark]: TraceAbstraction took 1967.22 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 134.8 MB in the beginning and 117.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 47.3 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:39,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 125.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 310.01 ms. Allocated memory is still 151.0 MB. Free memory was 126.5 MB in the beginning and 116.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 44.30 ms. Allocated memory is still 151.0 MB. Free memory was 116.3 MB in the beginning and 114.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 473.80 ms. Allocated memory is still 151.0 MB. Free memory was 114.5 MB in the beginning and 96.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1967.22 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 134.8 MB in the beginning and 117.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 47.3 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 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63. Possible FailurePath: [L63] double x = 0.0 / 0.0; [L64] double y = 0.0 / 0.0; [L65] CALL, EXPR fmin_double(x, y) VAL [\old(x)=4294967306, \old(y)=4294967307] [L47] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=4294967306] [L20] __uint32_t msw, lsw; VAL [\old(x)=4294967306, x=4294967306] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L29-L30] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=4294967306, lsw=4294967297, msw=4293918721, x=4294967306] [L32-L33] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=4294967306, lsw=4294967297, msw=4293918721, x=4294967306] [L35-L36] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=4294967306, lsw=4294967297, msw=4293918721, x=4294967306] [L39-L40] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L43] return 0; VAL [\old(x)=4294967306, \result=0, lsw=4294967297, msw=4293918721, x=4294967306] [L47] RET, EXPR __fpclassify_double(x) VAL [\old(x)=4294967306, \old(y)=4294967307, __fpclassify_double(x)=0, x=4294967306, y=4294967307] [L47] COND TRUE __fpclassify_double(x) == 0 [L48] return y; VAL [\old(x)=4294967306, \old(y)=4294967307, \result=4294967307, x=4294967306, y=4294967307] [L65] RET, EXPR fmin_double(x, y) VAL [fmin_double(x, y)=4294967307, x=4294967306, y=4294967307] [L65] double res = fmin_double(x, y); [L67] CALL, EXPR isnan_double(res) VAL [\old(x)=4294967307] [L18] return x != x; VAL [\old(x)=4294967307, \result=0, x=4294967307] [L67] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, res=4294967307, x=4294967306, y=4294967307] [L67] COND TRUE !isnan_double(res) [L68] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_1230.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 126 SDtfs, 36 SDslu, 210 SDs, 0 SdLazy, 163 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 7243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...