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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0930.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:43:05,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:43:05,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:43:05,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:43:05,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:43:05,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:43:05,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:43:05,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:43:05,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:43:05,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:43:05,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:43:05,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:43:05,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:43:05,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:43:05,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:43:06,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:43:06,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:43:06,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:43:06,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:43:06,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:43:06,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:43:06,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:43:06,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:43:06,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:43:06,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:43:06,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:43:06,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:43:06,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:43:06,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:43:06,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:43:06,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:43:06,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:43:06,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:43:06,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:43:06,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:43:06,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:43:06,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:43:06,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:43:06,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:43:06,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:43:06,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:43:06,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:43:06,034 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:43:06,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:43:06,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:43:06,035 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:43:06,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:43:06,036 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:43:06,036 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:43:06,036 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:43:06,036 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:43:06,036 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:43:06,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:43:06,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:43:06,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:43:06,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:43:06,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:43:06,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:43:06,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:43:06,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:43:06,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:43:06,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:43:06,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:43:06,039 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:43:06,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:43:06,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:43:06,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:43:06,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:43:06,040 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:43:06,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:43:06,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:43:06,041 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:43:06,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:43:06,080 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:43:06,083 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:43:06,085 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:43:06,085 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:43:06,086 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0930.c [2019-09-10 01:43:06,142 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0527f4bbb/45019015bbb7464eb558f898fa79e8f0/FLAG56ecd1bad [2019-09-10 01:43:06,571 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:43:06,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0930.c [2019-09-10 01:43:06,579 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0527f4bbb/45019015bbb7464eb558f898fa79e8f0/FLAG56ecd1bad [2019-09-10 01:43:06,952 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0527f4bbb/45019015bbb7464eb558f898fa79e8f0 [2019-09-10 01:43:06,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:43:06,963 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:43:06,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:43:06,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:43:06,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:43:06,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:43:06" (1/1) ... [2019-09-10 01:43:06,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d8d0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:06, skipping insertion in model container [2019-09-10 01:43:06,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:43:06" (1/1) ... [2019-09-10 01:43:06,979 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:43:07,005 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:43:07,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:43:07,242 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:43:07,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:43:07,404 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:43:07,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07 WrapperNode [2019-09-10 01:43:07,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:43:07,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:43:07,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:43:07,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:43:07,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (1/1) ... [2019-09-10 01:43:07,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (1/1) ... [2019-09-10 01:43:07,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (1/1) ... [2019-09-10 01:43:07,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (1/1) ... [2019-09-10 01:43:07,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (1/1) ... [2019-09-10 01:43:07,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (1/1) ... [2019-09-10 01:43:07,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (1/1) ... [2019-09-10 01:43:07,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:43:07,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:43:07,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:43:07,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:43:07,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (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 [2019-09-10 01:43:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:43:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:43:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2019-09-10 01:43:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2019-09-10 01:43:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-09-10 01:43:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:43:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:43:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-10 01:43:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2019-09-10 01:43:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:43:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:43:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:43:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:43:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2019-09-10 01:43:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:43:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:43:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-09-10 01:43:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:43:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:43:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:43:07,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:43:07,990 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-10 01:43:07,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:43:07 BoogieIcfgContainer [2019-09-10 01:43:07,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:43:07,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:43:07,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:43:07,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:43:07,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:43:06" (1/3) ... [2019-09-10 01:43:07,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1428b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:43:07, skipping insertion in model container [2019-09-10 01:43:07,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:43:07" (2/3) ... [2019-09-10 01:43:07,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b1428b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:43:07, skipping insertion in model container [2019-09-10 01:43:07,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:43:07" (3/3) ... [2019-09-10 01:43:07,999 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930.c [2019-09-10 01:43:08,008 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:43:08,016 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:43:08,031 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:43:08,056 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:43:08,056 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:43:08,056 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:43:08,056 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:43:08,057 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:43:08,057 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:43:08,057 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:43:08,057 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:43:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-09-10 01:43:08,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-10 01:43:08,079 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:43:08,080 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:43:08,082 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:43:08,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:43:08,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1151831149, now seen corresponding path program 1 times [2019-09-10 01:43:08,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:43:08,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:08,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:43:08,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:43:08,144 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:43:08,230 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-09-10 01:43:08,230 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-09-10 01:43:08,230 INFO L170 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-09-10 01:43:08,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:43:08,244 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2019-09-10 01:43:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:43:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-10 01:43:08,384 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:43:08,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:43:08 BoogieIcfgContainer [2019-09-10 01:43:08,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:43:08,470 INFO L168 Benchmark]: Toolchain (without parser) took 1504.69 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.2 MB in the beginning and 117.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:08,471 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 01:43:08,473 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.14 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 174.8 MB in the end (delta: -85.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:08,475 INFO L168 Benchmark]: Boogie Preprocessor took 48.73 ms. Allocated memory is still 200.3 MB. Free memory was 174.8 MB in the beginning and 172.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:08,476 INFO L168 Benchmark]: RCFGBuilder took 537.12 ms. Allocated memory is still 200.3 MB. Free memory was 172.3 MB in the beginning and 143.1 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:08,477 INFO L168 Benchmark]: TraceAbstraction took 473.55 ms. Allocated memory is still 200.3 MB. Free memory was 143.1 MB in the beginning and 117.5 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-09-10 01:43:08,489 INFO L335 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 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 441.14 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.0 MB in the beginning and 174.8 MB in the end (delta: -85.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.73 ms. Allocated memory is still 200.3 MB. Free memory was 174.8 MB in the beginning and 172.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 537.12 ms. Allocated memory is still 200.3 MB. Free memory was 172.3 MB in the beginning and 143.1 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 473.55 ms. Allocated memory is still 200.3 MB. Free memory was 143.1 MB in the beginning and 117.5 MB in the end (delta: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 150]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 59. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=9, \old(Lg2_log)=2, \old(Lg3_log)=3, \old(Lg4_log)=10, \old(Lg5_log)=7, \old(Lg6_log)=12, \old(Lg7_log)=6, \old(ln2_hi_log)=4, \old(ln2_lo_log)=5, \old(two54_log)=11, \old(zero)=8, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L144] double x = 1.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=1, zero=0] [L146] CALL, EXPR __ieee754_log(x) VAL [\old(x)=1, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=1, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=1, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [\old(x)=1, hx=2446, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=7, two54_log=18014398509481984, x=1, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=1, hx=2446, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=7, two54_log=18014398509481984, x=1, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [\old(x)=1, \result=1, hx=2446, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=7, two54_log=18014398509481984, x=1, zero=0] [L146] RET, EXPR __ieee754_log(x) VAL [__ieee754_log(x)=1, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=1, zero=0] [L146] double res = __ieee754_log(x); [L149] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=1, res == 0.0 && __signbit_double(res) == 0=0, two54_log=18014398509481984, x=1, zero=0] [L149] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L150] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=1, two54_log=18014398509481984, x=1, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 52 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...