java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:07:24,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:07:24,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:07:24,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:07:24,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:07:24,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:07:24,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:07:24,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:07:24,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:07:24,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:07:24,763 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:07:24,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:07:24,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:07:24,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:07:24,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:07:24,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:07:24,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:07:24,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:07:24,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:07:24,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:07:24,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:07:24,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:07:24,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:07:24,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:07:24,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:07:24,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:07:24,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:07:24,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:07:24,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:07:24,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:07:24,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:07:24,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:07:24,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:07:24,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:07:24,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:07:24,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:07:24,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:07:24,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:07:24,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:07:24,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:07:24,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:07:24,805 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 [2019-08-14 20:07:24,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:07:24,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:07:24,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:07:24,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:07:24,820 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:07:24,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:07:24,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:07:24,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:07:24,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:07:24,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:07:24,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:07:24,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:07:24,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:07:24,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:07:24,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:07:24,823 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:07:24,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:07:24,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:07:24,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:07:24,824 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:07:24,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:07:24,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:07:24,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:07:24,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:07:24,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:07:24,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:07:24,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:07:24,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:07:24,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:07:24,861 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:07:24,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:07:24,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:07:24,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:07:24,877 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:07:24,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c [2019-08-14 20:07:24,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5968a99b/598ea6e3339347d49bcd656fbee2700a/FLAG7f89e2e6f [2019-08-14 20:07:25,389 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:07:25,390 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211b.c [2019-08-14 20:07:25,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5968a99b/598ea6e3339347d49bcd656fbee2700a/FLAG7f89e2e6f [2019-08-14 20:07:25,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5968a99b/598ea6e3339347d49bcd656fbee2700a [2019-08-14 20:07:25,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:07:25,743 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:07:25,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:25,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:07:25,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:07:25,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6267df26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25, skipping insertion in model container [2019-08-14 20:07:25,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,761 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:07:25,782 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:07:25,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:26,004 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:07:26,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:26,151 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:07:26,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26 WrapperNode [2019-08-14 20:07:26,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:26,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:07:26,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:07:26,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:07:26,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:26,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:26,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:26,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:26,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:26,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:26,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:26,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:07:26,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:07:26,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:07:26,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:07:26,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:26" (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 [2019-08-14 20:07:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:07:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:07:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2019-08-14 20:07:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-14 20:07:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2019-08-14 20:07:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:07:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:07:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 20:07:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2019-08-14 20:07:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:07:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 20:07:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:07:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:07:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:07:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 20:07:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-14 20:07:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2019-08-14 20:07:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:07:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-08-14 20:07:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:07:26,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:07:26,738 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:07:26,738 INFO L283 CfgBuilder]: Removed 18 assume(true) statements. [2019-08-14 20:07:26,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:07:26 BoogieIcfgContainer [2019-08-14 20:07:26,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:07:26,741 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:07:26,741 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:07:26,741 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:07:26,742 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:07:26" (1/1) ... [2019-08-14 20:07:27,153 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-08-14 20:07:27,342 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-08-14 20:07:28,377 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-08-14 20:07:28,821 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-14 20:07:28,985 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-14 20:07:29,122 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-14 20:07:29,399 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-08-14 20:07:29,864 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-08-14 20:07:30,280 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-14 20:07:30,448 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-14 20:07:30,604 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-14 20:07:30,938 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-08-14 20:07:32,257 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2019-08-14 20:07:32,641 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-08-14 20:07:33,591 WARN L188 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2019-08-14 20:07:34,777 WARN L188 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2019-08-14 20:07:35,174 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-14 20:07:35,596 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-14 20:07:36,872 WARN L188 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2019-08-14 20:07:38,213 WARN L188 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2019-08-14 20:07:39,041 WARN L188 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2019-08-14 20:07:39,411 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-14 20:07:39,839 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-14 20:07:40,356 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-08-14 20:07:40,765 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:40,920 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:41,134 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:41,301 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:41,735 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-08-14 20:07:42,145 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:42,313 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:42,534 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:42,757 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:43,205 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-08-14 20:07:43,603 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:43,754 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:43,973 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:44,127 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:44,279 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-14 20:07:44,914 WARN L188 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:45,364 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:45,515 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:45,645 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:46,321 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:46,677 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:46,821 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:46,960 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:47,571 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:48,055 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:48,198 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:48,327 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:48,957 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-08-14 20:07:49,496 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-08-14 20:07:49,659 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-14 20:07:49,817 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-08-14 20:07:49,966 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:50,387 WARN L188 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-08-14 20:07:50,783 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:50,999 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-14 20:07:51,161 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-08-14 20:07:51,938 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-14 20:07:52,726 WARN L188 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-08-14 20:07:53,014 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-14 20:07:53,266 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-14 20:07:53,490 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-08-14 20:07:53,539 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:07:53,541 INFO L168 Benchmark]: Toolchain (without parser) took 27797.77 ms. Allocated memory was 131.6 MB in the beginning and 456.1 MB in the end (delta: 324.5 MB). Free memory was 85.7 MB in the beginning and 276.6 MB in the end (delta: -190.8 MB). Peak memory consumption was 322.0 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:53,541 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:07:53,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.34 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.5 MB in the beginning and 174.3 MB in the end (delta: -88.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:53,545 INFO L168 Benchmark]: Boogie Preprocessor took 53.59 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 172.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:53,545 INFO L168 Benchmark]: RCFGBuilder took 533.61 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 144.1 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:53,546 INFO L168 Benchmark]: Symbolic Interpretation took 26798.74 ms. Allocated memory was 198.7 MB in the beginning and 456.1 MB in the end (delta: 257.4 MB). Free memory was 144.1 MB in the beginning and 276.6 MB in the end (delta: -132.4 MB). Peak memory consumption was 313.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:53,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 110]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 208#(exists ((v_prenex_26 Int) (v_prenex_36 Int) (|v_isinf_float_~#gf_u~4.base_3| Int)) (or (and (= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#iptr~0.base|)) (= (select |#valid| v_prenex_36) 0) (not (= 0 |main_~#iptr~0.base|)) (< v_prenex_36 |#StackHeapBarrier|) (< |main_~#iptr~0.base| |#StackHeapBarrier|) (= |main_~#iptr~0.offset| 0) (not (= v_prenex_36 0)) (= (select |#length| v_prenex_36) 4) (= 1.0 ~one_modf~0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (= (select |#valid| |v_isinf_float_~#gf_u~4.base_3|) 0) (< |v_isinf_float_~#gf_u~4.base_3| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#iptr~0.base|)) (not (= 0 |main_~#iptr~0.base|)) (< |main_~#iptr~0.base| |#StackHeapBarrier|) (not (= |v_isinf_float_~#gf_u~4.base_3| 0)) (= |main_~#iptr~0.offset| 0) (= 4 (select |#length| |v_isinf_float_~#gf_u~4.base_3|)) (= 1.0 ~one_modf~0) (= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0))) (and (= 0 |#NULL.base|) (= 0 (select |old(#valid)| |main_~#iptr~0.base|)) (not (= 0 |main_~#iptr~0.base|)) (< |main_~#iptr~0.base| |#StackHeapBarrier|) (= (select |#valid| v_prenex_26) 0) (= |main_~#iptr~0.offset| 0) (< v_prenex_26 |#StackHeapBarrier|) (= 1.0 ~one_modf~0) (= |#NULL.offset| 0) (not (= v_prenex_26 0)) (= 4 (select |#length| v_prenex_26)) (= 0 (select |old(#valid)| 0))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 408.34 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 85.5 MB in the beginning and 174.3 MB in the end (delta: -88.8 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.59 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 172.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 533.61 ms. Allocated memory is still 198.7 MB. Free memory was 171.8 MB in the beginning and 144.1 MB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 26798.74 ms. Allocated memory was 198.7 MB in the beginning and 456.1 MB in the end (delta: 257.4 MB). Free memory was 144.1 MB in the beginning and 276.6 MB in the end (delta: -132.4 MB). Peak memory consumption was 313.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...