/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:05:49,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:05:49,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:05:49,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:05:49,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:05:49,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:05:49,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:05:49,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:05:49,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:05:49,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:05:49,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:05:49,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:05:49,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:05:49,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:05:49,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:05:49,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:05:49,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:05:49,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:05:49,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:05:49,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:05:49,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:05:49,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:05:49,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:05:49,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:05:49,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:05:49,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:05:49,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:05:49,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:05:49,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:05:49,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:05:49,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:05:49,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:05:49,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:05:49,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:05:49,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:05:49,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:05:49,163 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 [2020-07-17 22:05:49,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:05:49,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:05:49,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:05:49,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:05:49,180 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:05:49,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:05:49,181 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:05:49,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:05:49,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:05:49,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:05:49,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:05:49,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:05:49,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:05:49,182 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:05:49,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:05:49,183 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:05:49,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:05:49,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:05:49,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:05:49,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:05:49,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:05:49,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:05:49,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:05:49,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:05:49,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:05:49,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:05:49,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:05:49,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:05:49,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:05:49,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:05:49,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:05:49,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:05:49,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:05:49,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:05:49,492 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:05:49,493 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-17 22:05:49,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40ee32132/3753aca9a4da44e685451f875d1a80cd/FLAG9f113c6b3 [2020-07-17 22:05:50,114 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:05:50,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1130a.c [2020-07-17 22:05:50,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40ee32132/3753aca9a4da44e685451f875d1a80cd/FLAG9f113c6b3 [2020-07-17 22:05:50,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40ee32132/3753aca9a4da44e685451f875d1a80cd [2020-07-17 22:05:50,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:05:50,551 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:05:50,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:50,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:05:50,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:05:50,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:50" (1/1) ... [2020-07-17 22:05:50,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68acb741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:50, skipping insertion in model container [2020-07-17 22:05:50,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:05:50" (1/1) ... [2020-07-17 22:05:50,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:05:50,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:05:50,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:50,831 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:05:50,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:05:51,011 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:05:51,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51 WrapperNode [2020-07-17 22:05:51,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:05:51,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:05:51,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:05:51,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:05:51,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... [2020-07-17 22:05:51,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... [2020-07-17 22:05:51,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... [2020-07-17 22:05:51,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... [2020-07-17 22:05:51,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... [2020-07-17 22:05:51,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... [2020-07-17 22:05:51,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... [2020-07-17 22:05:51,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:05:51,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:05:51,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:05:51,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:05:51,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:05:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:05:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:05:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2020-07-17 22:05:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2020-07-17 22:05:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2020-07-17 22:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2020-07-17 22:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-17 22:05:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:05:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:05:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-17 22:05:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:05:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2020-07-17 22:05:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:05:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:05:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-07-17 22:05:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:05:51,834 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:05:51,835 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-17 22:05:51,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:51 BoogieIcfgContainer [2020-07-17 22:05:51,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:05:51,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:05:51,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:05:51,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:05:51,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:05:50" (1/3) ... [2020-07-17 22:05:51,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51defcb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:51, skipping insertion in model container [2020-07-17 22:05:51,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:05:51" (2/3) ... [2020-07-17 22:05:51,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51defcb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:05:51, skipping insertion in model container [2020-07-17 22:05:51,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:05:51" (3/3) ... [2020-07-17 22:05:51,862 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1130a.c [2020-07-17 22:05:51,874 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:05:51,886 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:05:51,903 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:05:51,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:05:51,941 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:05:51,941 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:05:51,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:05:51,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:05:51,942 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:05:51,942 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:05:51,942 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:05:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-07-17 22:05:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-17 22:05:51,983 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:51,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:05:51,985 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:51,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1920116781, now seen corresponding path program 1 times [2020-07-17 22:05:52,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:52,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761011293] [2020-07-17 22:05:52,008 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:52,291 INFO L280 TraceCheckUtils]: 0: Hoare triple {76#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_fmod~0 := 1.0;call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); {64#true} is VALID [2020-07-17 22:05:52,291 INFO L280 TraceCheckUtils]: 1: Hoare triple {64#true} assume true; {64#true} is VALID [2020-07-17 22:05:52,292 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {64#true} {64#true} #217#return; {64#true} is VALID [2020-07-17 22:05:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:05:52,324 INFO L280 TraceCheckUtils]: 0: Hoare triple {77#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y;havoc ~n~0;havoc ~hx~0;havoc ~hy~0;havoc ~hz~0;havoc ~ix~0;havoc ~iy~0;havoc ~sx~0;havoc ~i~0; {64#true} is VALID [2020-07-17 22:05:52,325 INFO L280 TraceCheckUtils]: 1: Hoare triple {64#true} assume !true; {65#false} is VALID [2020-07-17 22:05:52,326 INFO L280 TraceCheckUtils]: 2: Hoare triple {65#false} assume !true; {65#false} is VALID [2020-07-17 22:05:52,326 INFO L280 TraceCheckUtils]: 3: Hoare triple {65#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := ~bitwiseXor(~hx~0, ~sx~0);~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {65#false} is VALID [2020-07-17 22:05:52,327 INFO L280 TraceCheckUtils]: 4: Hoare triple {65#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040;#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {65#false} is VALID [2020-07-17 22:05:52,327 INFO L280 TraceCheckUtils]: 5: Hoare triple {65#false} assume true; {65#false} is VALID [2020-07-17 22:05:52,328 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {65#false} {64#true} #213#return; {65#false} is VALID [2020-07-17 22:05:52,330 INFO L263 TraceCheckUtils]: 0: Hoare triple {64#true} call ULTIMATE.init(); {76#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} is VALID [2020-07-17 22:05:52,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {76#(and (= ~one_fmod~0 |old(~one_fmod~0)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#Zero_fmod~0.base| |old(~#Zero_fmod~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |~#Zero_fmod~0.offset| |old(~#Zero_fmod~0.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_fmod~0 := 1.0;call ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset := #Ultimate.allocOnStack(8);call write~init~real(0.0, ~#Zero_fmod~0.base, ~#Zero_fmod~0.offset, 4);call write~init~real(~someUnaryDOUBLEoperation(0.0), ~#Zero_fmod~0.base, 4 + ~#Zero_fmod~0.offset, 4); {64#true} is VALID [2020-07-17 22:05:52,331 INFO L280 TraceCheckUtils]: 2: Hoare triple {64#true} assume true; {64#true} is VALID [2020-07-17 22:05:52,332 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {64#true} {64#true} #217#return; {64#true} is VALID [2020-07-17 22:05:52,332 INFO L263 TraceCheckUtils]: 4: Hoare triple {64#true} call #t~ret18 := main(); {64#true} is VALID [2020-07-17 22:05:52,332 INFO L280 TraceCheckUtils]: 5: Hoare triple {64#true} ~x~0 := 0.0;~y~0 := #t~nondet14;havoc #t~nondet14; {64#true} is VALID [2020-07-17 22:05:52,333 INFO L280 TraceCheckUtils]: 6: Hoare triple {64#true} assume ~someBinaryFLOATComparisonOperation(~y~0, 0.0) || ~someBinaryFLOATComparisonOperation(~y~0, 0.0); {64#true} is VALID [2020-07-17 22:05:52,335 INFO L263 TraceCheckUtils]: 7: Hoare triple {64#true} call #t~ret15 := fmod_float(~x~0, ~y~0); {77#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-17 22:05:52,335 INFO L280 TraceCheckUtils]: 8: Hoare triple {77#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x;~y := #in~y;havoc ~n~0;havoc ~hx~0;havoc ~hy~0;havoc ~hz~0;havoc ~ix~0;havoc ~iy~0;havoc ~sx~0;havoc ~i~0; {64#true} is VALID [2020-07-17 22:05:52,337 INFO L280 TraceCheckUtils]: 9: Hoare triple {64#true} assume !true; {65#false} is VALID [2020-07-17 22:05:52,337 INFO L280 TraceCheckUtils]: 10: Hoare triple {65#false} assume !true; {65#false} is VALID [2020-07-17 22:05:52,338 INFO L280 TraceCheckUtils]: 11: Hoare triple {65#false} ~sx~0 := (if ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 <= 2147483647 then ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 else ~bitwiseAnd(~hx~0, 2147483648) % 4294967296 % 4294967296 - 4294967296);~hx~0 := ~bitwiseXor(~hx~0, ~sx~0);~hy~0 := ~bitwiseAnd(~hy~0, 2147483647); {65#false} is VALID [2020-07-17 22:05:52,338 INFO L280 TraceCheckUtils]: 12: Hoare triple {65#false} assume (0 == ~hy~0 || !(~hx~0 < 2139095040)) || ~hy~0 > 2139095040;#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~y), ~someBinaryArithmeticFLOAToperation(~x, ~y)); {65#false} is VALID [2020-07-17 22:05:52,338 INFO L280 TraceCheckUtils]: 13: Hoare triple {65#false} assume true; {65#false} is VALID [2020-07-17 22:05:52,339 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {65#false} {64#true} #213#return; {65#false} is VALID [2020-07-17 22:05:52,339 INFO L280 TraceCheckUtils]: 15: Hoare triple {65#false} ~res~0 := #t~ret15;havoc #t~ret15;#t~short17 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); {65#false} is VALID [2020-07-17 22:05:52,340 INFO L280 TraceCheckUtils]: 16: Hoare triple {65#false} assume !#t~short17; {65#false} is VALID [2020-07-17 22:05:52,340 INFO L280 TraceCheckUtils]: 17: Hoare triple {65#false} assume !#t~short17;havoc #t~ret16;havoc #t~short17; {65#false} is VALID [2020-07-17 22:05:52,340 INFO L280 TraceCheckUtils]: 18: Hoare triple {65#false} assume !false; {65#false} is VALID [2020-07-17 22:05:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:05:52,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761011293] [2020-07-17 22:05:52,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:05:52,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 22:05:52,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009518520] [2020-07-17 22:05:52,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-17 22:05:52,357 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:05:52,362 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 22:05:52,404 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:52,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 22:05:52,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:05:52,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 22:05:52,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 22:05:52,417 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 4 states. [2020-07-17 22:05:53,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:53,003 INFO L93 Difference]: Finished difference Result 116 states and 180 transitions. [2020-07-17 22:05:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 22:05:53,003 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2020-07-17 22:05:53,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:05:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:53,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-17 22:05:53,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 22:05:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 180 transitions. [2020-07-17 22:05:53,027 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 180 transitions. [2020-07-17 22:05:53,294 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 180 edges. 180 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:05:53,310 INFO L225 Difference]: With dead ends: 116 [2020-07-17 22:05:53,311 INFO L226 Difference]: Without dead ends: 56 [2020-07-17 22:05:53,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 22:05:53,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-17 22:05:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-07-17 22:05:53,397 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:05:53,398 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand 56 states. [2020-07-17 22:05:53,399 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-17 22:05:53,399 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-17 22:05:53,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:53,405 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2020-07-17 22:05:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2020-07-17 22:05:53,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:53,407 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:53,407 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 56 states. [2020-07-17 22:05:53,407 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 56 states. [2020-07-17 22:05:53,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:05:53,414 INFO L93 Difference]: Finished difference Result 56 states and 72 transitions. [2020-07-17 22:05:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2020-07-17 22:05:53,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:05:53,415 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:05:53,416 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:05:53,416 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:05:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-07-17 22:05:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2020-07-17 22:05:53,422 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 19 [2020-07-17 22:05:53,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:05:53,423 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions. [2020-07-17 22:05:53,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 22:05:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2020-07-17 22:05:53,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-07-17 22:05:53,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:05:53,425 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] [2020-07-17 22:05:53,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:05:53,426 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:05:53,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:05:53,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2095475350, now seen corresponding path program 1 times [2020-07-17 22:05:53,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:05:53,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919168986] [2020-07-17 22:05:53,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:05:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:05:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:05:53,750 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:05:53,751 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:05:53,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 22:05:53,790 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 22:05:53,790 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:05:53,791 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:05:53,791 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:05:53,805 WARN L170 areAnnotationChecker]: fmod_floatENTRY has no Hoare annotation [2020-07-17 22:05:53,805 WARN L170 areAnnotationChecker]: __signbit_floatENTRY has no Hoare annotation [2020-07-17 22:05:53,805 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:05:53,805 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:05:53,806 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:05:53,806 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-17 22:05:53,806 WARN L170 areAnnotationChecker]: L129 has no Hoare annotation [2020-07-17 22:05:53,806 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-17 22:05:53,806 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-17 22:05:53,806 WARN L170 areAnnotationChecker]: L110-2 has no Hoare annotation [2020-07-17 22:05:53,807 WARN L170 areAnnotationChecker]: L110-2 has no Hoare annotation [2020-07-17 22:05:53,807 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:05:53,807 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:05:53,807 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-17 22:05:53,807 WARN L170 areAnnotationChecker]: L131 has no Hoare annotation [2020-07-17 22:05:53,808 WARN L170 areAnnotationChecker]: L129-2 has no Hoare annotation [2020-07-17 22:05:53,808 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-17 22:05:53,808 WARN L170 areAnnotationChecker]: L20-1 has no Hoare annotation [2020-07-17 22:05:53,808 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-17 22:05:53,808 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-17 22:05:53,808 WARN L170 areAnnotationChecker]: L110-1 has no Hoare annotation [2020-07-17 22:05:53,809 WARN L170 areAnnotationChecker]: L110-1 has no Hoare annotation [2020-07-17 22:05:53,809 WARN L170 areAnnotationChecker]: L110-3 has no Hoare annotation [2020-07-17 22:05:53,809 WARN L170 areAnnotationChecker]: L131-1 has no Hoare annotation [2020-07-17 22:05:53,809 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:05:53,809 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:05:53,809 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-17 22:05:53,809 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-17 22:05:53,810 WARN L170 areAnnotationChecker]: __signbit_floatFINAL has no Hoare annotation [2020-07-17 22:05:53,810 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-17 22:05:53,810 WARN L170 areAnnotationChecker]: L134 has no Hoare annotation [2020-07-17 22:05:53,810 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:05:53,810 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-17 22:05:53,810 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-17 22:05:53,811 WARN L170 areAnnotationChecker]: __signbit_floatEXIT has no Hoare annotation [2020-07-17 22:05:53,811 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-17 22:05:53,811 WARN L170 areAnnotationChecker]: L134-1 has no Hoare annotation [2020-07-17 22:05:53,811 WARN L170 areAnnotationChecker]: L134-4 has no Hoare annotation [2020-07-17 22:05:53,811 WARN L170 areAnnotationChecker]: L134-4 has no Hoare annotation [2020-07-17 22:05:53,812 WARN L170 areAnnotationChecker]: fmod_floatFINAL has no Hoare annotation [2020-07-17 22:05:53,812 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-17 22:05:53,812 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-17 22:05:53,812 WARN L170 areAnnotationChecker]: L134-2 has no Hoare annotation [2020-07-17 22:05:53,813 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-17 22:05:53,813 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-17 22:05:53,813 WARN L170 areAnnotationChecker]: fmod_floatEXIT has no Hoare annotation [2020-07-17 22:05:53,813 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:05:53,813 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-17 22:05:53,813 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-17 22:05:53,814 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-17 22:05:53,814 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-17 22:05:53,814 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-17 22:05:53,814 WARN L170 areAnnotationChecker]: L41-3 has no Hoare annotation [2020-07-17 22:05:53,814 WARN L170 areAnnotationChecker]: L40-1 has no Hoare annotation [2020-07-17 22:05:53,814 WARN L170 areAnnotationChecker]: L40-1 has no Hoare annotation [2020-07-17 22:05:53,815 WARN L170 areAnnotationChecker]: L41-2 has no Hoare annotation [2020-07-17 22:05:53,815 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-17 22:05:53,815 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-17 22:05:53,815 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-17 22:05:53,815 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-17 22:05:53,815 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-17 22:05:53,815 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-17 22:05:53,816 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-17 22:05:53,816 WARN L170 areAnnotationChecker]: L52-1 has no Hoare annotation [2020-07-17 22:05:53,816 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-17 22:05:53,816 WARN L170 areAnnotationChecker]: L67-2 has no Hoare annotation [2020-07-17 22:05:53,816 WARN L170 areAnnotationChecker]: L67-2 has no Hoare annotation [2020-07-17 22:05:53,816 WARN L170 areAnnotationChecker]: L65-3 has no Hoare annotation [2020-07-17 22:05:53,817 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-17 22:05:53,817 WARN L170 areAnnotationChecker]: L65-1 has no Hoare annotation [2020-07-17 22:05:53,817 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-17 22:05:53,817 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-17 22:05:53,817 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-17 22:05:53,817 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-17 22:05:53,818 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-17 22:05:53,818 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-17 22:05:53,818 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-17 22:05:53,818 WARN L170 areAnnotationChecker]: L70 has no Hoare annotation [2020-07-17 22:05:53,818 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-17 22:05:53,818 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-17 22:05:53,819 WARN L170 areAnnotationChecker]: L82-2 has no Hoare annotation [2020-07-17 22:05:53,819 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-17 22:05:53,819 WARN L170 areAnnotationChecker]: L82-3 has no Hoare annotation [2020-07-17 22:05:53,819 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2020-07-17 22:05:53,819 WARN L170 areAnnotationChecker]: L88-2 has no Hoare annotation [2020-07-17 22:05:53,819 WARN L170 areAnnotationChecker]: L97-2 has no Hoare annotation [2020-07-17 22:05:53,820 WARN L170 areAnnotationChecker]: L97-2 has no Hoare annotation [2020-07-17 22:05:53,820 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-17 22:05:53,820 WARN L170 areAnnotationChecker]: L88-1 has no Hoare annotation [2020-07-17 22:05:53,820 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-17 22:05:53,820 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-17 22:05:53,820 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-17 22:05:53,820 WARN L170 areAnnotationChecker]: L97-3 has no Hoare annotation [2020-07-17 22:05:53,821 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 22:05:53,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:05:53 BoogieIcfgContainer [2020-07-17 22:05:53,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:05:53,828 INFO L168 Benchmark]: Toolchain (without parser) took 3277.64 ms. Allocated memory was 137.9 MB in the beginning and 246.4 MB in the end (delta: 108.5 MB). Free memory was 102.4 MB in the beginning and 212.2 MB in the end (delta: -109.9 MB). Peak memory consumption was 118.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:53,829 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:05:53,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.48 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 177.9 MB in the end (delta: -75.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:53,831 INFO L168 Benchmark]: Boogie Preprocessor took 68.81 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 175.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:53,832 INFO L168 Benchmark]: RCFGBuilder took 760.50 ms. Allocated memory is still 201.9 MB. Free memory was 174.6 MB in the beginning and 127.5 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:53,833 INFO L168 Benchmark]: TraceAbstraction took 1978.39 ms. Allocated memory was 201.9 MB in the beginning and 246.4 MB in the end (delta: 44.6 MB). Free memory was 126.8 MB in the beginning and 212.2 MB in the end (delta: -85.4 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:05:53,837 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 460.48 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 177.9 MB in the end (delta: -75.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.81 ms. Allocated memory is still 201.9 MB. Free memory was 177.9 MB in the beginning and 175.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 760.50 ms. Allocated memory is still 201.9 MB. Free memory was 174.6 MB in the beginning and 127.5 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1978.39 ms. Allocated memory was 201.9 MB in the beginning and 246.4 MB in the end (delta: 44.6 MB). Free memory was 126.8 MB in the beginning and 212.2 MB in the end (delta: -85.4 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 134, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of bitwiseXor at line 31, overapproximation of someBinaryArithmeticFLOAToperation at line 35. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [\old(one_fmod)=12884901897, \old(Zero_fmod)=12884901891, \old(Zero_fmod)=12884901896, one_fmod=1, Zero_fmod={3:0}] [L126] float x = 0.0f; [L127] float y = __VERIFIER_nondet_float(); [L129] COND TRUE (y < 0.0f || y > 0.0f) VAL [one_fmod=1, x=0, y=12884901892, Zero_fmod={3:0}] [L131] CALL, EXPR fmod_float(x, y) VAL [\old(x)=0, \old(y)=12884901892, one_fmod=1, Zero_fmod={3:0}] [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=0, \old(y)=12884901892, one_fmod=1, x=0, y=12884901892, Zero_fmod={3:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [\old(x)=0, \old(y)=12884901892, one_fmod=1, sx=-2, x=0, y=12884901892, Zero_fmod={3:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [\old(x)=0, \old(y)=12884901892, hx=2139095040, hy=0, one_fmod=1, sx=-2, x=0, y=12884901892, Zero_fmod={3:0}] [L131] RET, EXPR fmod_float(x, y) VAL [fmod_float(x, y)=12884901893, one_fmod=1, x=0, y=12884901892, Zero_fmod={3:0}] [L131] float res = fmod_float(x, y); [L134] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_fmod=1, res=12884901893, res == 0.0f && __signbit_float(res) == 0=0, x=0, y=12884901892, Zero_fmod={3:0}] [L134] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L135] __VERIFIER_error() VAL [one_fmod=1, res=12884901893, x=0, y=12884901892, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 75 SDtfs, 14 SDslu, 61 SDs, 0 SdLazy, 80 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 918 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...