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_0490b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:38:22,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:38:22,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:38:22,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:38:22,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:38:22,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:38:22,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:38:22,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:38:22,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:38:22,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:38:22,977 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:38:22,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:38:22,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:38:22,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:38:22,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:38:22,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:38:22,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:38:22,991 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:38:22,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:38:22,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:38:22,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:38:23,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:38:23,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:38:23,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:38:23,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:38:23,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:38:23,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:38:23,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:38:23,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:38:23,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:38:23,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:38:23,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:38:23,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:38:23,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:38:23,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:38:23,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:38:23,017 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 [2019-08-10 01:38:23,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:38:23,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:38:23,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:38:23,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:38:23,032 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:38:23,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:38:23,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:38:23,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:38:23,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:38:23,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:38:23,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:38:23,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:38:23,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:38:23,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:38:23,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:38:23,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:38:23,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:38:23,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:38:23,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:38:23,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:38:23,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:38:23,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:38:23,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:38:23,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:38:23,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:38:23,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:38:23,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:38:23,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:38:23,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:38:23,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:38:23,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:38:23,087 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:38:23,088 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:38:23,088 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:38:23,089 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0490b.c [2019-08-10 01:38:23,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47cd3a10/555d7da882d049f881ef62f74b4dc1e3/FLAG4c1994b09 [2019-08-10 01:38:23,598 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:38:23,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0490b.c [2019-08-10 01:38:23,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47cd3a10/555d7da882d049f881ef62f74b4dc1e3/FLAG4c1994b09 [2019-08-10 01:38:23,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47cd3a10/555d7da882d049f881ef62f74b4dc1e3 [2019-08-10 01:38:23,992 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:38:23,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:38:23,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:38:23,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:38:23,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:38:23,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:38:23" (1/1) ... [2019-08-10 01:38:24,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccbd678 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:23, skipping insertion in model container [2019-08-10 01:38:24,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:38:23" (1/1) ... [2019-08-10 01:38:24,009 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:38:24,035 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:38:24,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:38:24,263 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:38:24,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:38:24,427 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:38:24,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24 WrapperNode [2019-08-10 01:38:24,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:38:24,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:38:24,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:38:24,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:38:24,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... [2019-08-10 01:38:24,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... [2019-08-10 01:38:24,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... [2019-08-10 01:38:24,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... [2019-08-10 01:38:24,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... [2019-08-10 01:38:24,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... [2019-08-10 01:38:24,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... [2019-08-10 01:38:24,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:38:24,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:38:24,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:38:24,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:38:24,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:38:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:38:24,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:38:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:38:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-08-10 01:38:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-08-10 01:38:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2019-08-10 01:38:24,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:38:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:38:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-10 01:38:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-08-10 01:38:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-08-10 01:38:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 01:38:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-10 01:38:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 01:38:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 01:38:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 01:38:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-10 01:38:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2019-08-10 01:38:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:38:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:38:24,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:38:25,000 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:38:25,000 INFO L283 CfgBuilder]: Removed 12 assume(true) statements. [2019-08-10 01:38:25,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:38:25 BoogieIcfgContainer [2019-08-10 01:38:25,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:38:25,002 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:38:25,002 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:38:25,003 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:38:25,003 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:38:25" (1/1) ... [2019-08-10 01:38:25,452 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-08-10 01:38:28,330 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-10 01:38:28,479 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-10 01:38:28,631 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-10 01:38:28,753 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-08-10 01:38:29,021 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-10 01:38:29,164 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-10 01:38:29,296 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-10 01:38:29,418 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-08-10 01:38:30,033 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-08-10 01:38:30,581 WARN L188 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-08-10 01:38:30,844 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-10 01:38:31,049 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-10 01:38:31,189 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-10 01:38:31,446 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-10 01:38:31,636 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-10 01:38:31,774 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-10 01:38:32,203 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-10 01:38:32,352 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-10 01:38:32,493 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-08-10 01:38:33,146 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-08-10 01:38:33,541 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-08-10 01:38:33,734 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-08-10 01:38:33,902 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-10 01:38:34,047 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-10 01:38:34,289 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-10 01:38:34,455 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-10 01:38:34,587 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-10 01:38:34,712 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-08-10 01:38:34,986 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-10 01:38:35,133 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-08-10 01:38:35,257 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-10 01:38:35,384 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-08-10 01:38:35,517 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-10 01:38:35,651 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:38:35,659 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:38:35,661 INFO L168 Benchmark]: Toolchain (without parser) took 11667.69 ms. Allocated memory was 132.1 MB in the beginning and 394.8 MB in the end (delta: 262.7 MB). Free memory was 87.6 MB in the beginning and 353.9 MB in the end (delta: -266.3 MB). Peak memory consumption was 239.0 MB. Max. memory is 7.1 GB. [2019-08-10 01:38:35,662 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 01:38:35,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.69 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 173.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-08-10 01:38:35,662 INFO L168 Benchmark]: Boogie Preprocessor took 52.13 ms. Allocated memory is still 199.2 MB. Free memory was 173.0 MB in the beginning and 170.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-08-10 01:38:35,663 INFO L168 Benchmark]: RCFGBuilder took 521.34 ms. Allocated memory is still 199.2 MB. Free memory was 170.2 MB in the beginning and 142.4 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-08-10 01:38:35,664 INFO L168 Benchmark]: Symbolic Interpretation took 10657.28 ms. Allocated memory was 199.2 MB in the beginning and 394.8 MB in the end (delta: 195.6 MB). Free memory was 142.4 MB in the beginning and 353.9 MB in the end (delta: -211.5 MB). Peak memory consumption was 226.7 MB. Max. memory is 7.1 GB. [2019-08-10 01:38:35,666 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 173]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 453#(and (= ~qS4_acos~0 (/ 38519077003.0 500000000000.0)) (= 0 |#NULL.base|) (= ~tiny_sqrt~0 (/ 1.0 1000000000000000000000000000000.0)) (= ~pio2_hi_acos~0 (/ 15707962513.0 10000000000.0)) (= ~pio2_lo_acos~0 (/ 75497894159.0 1000000000000000000.0)) (= ~pi~0 (/ 15707962513.0 5000000000.0)) (= 0 (select |old(#valid)| 0)) (= ~qS2_acos~0 (/ 10104728937.0 5000000000.0)) (= ~pS2_acos~0 (/ 20121252537.0 100000000000.0)) (= 1.0 ~one_sqrt~0) (= (/ 34793309169.0 1000000000000000.0) ~pS5_acos~0) (= (/ 16666667163.0 100000000000.0) ~pS0_acos~0) (= |#NULL.offset| 0) (= 1.0 ~one_acos~0) (= ~pS4_acos~0 (/ 79153501429.0 100000000000000.0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 132.1 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 433.69 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 173.0 MB in the end (delta: -85.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.13 ms. Allocated memory is still 199.2 MB. Free memory was 173.0 MB in the beginning and 170.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 521.34 ms. Allocated memory is still 199.2 MB. Free memory was 170.2 MB in the beginning and 142.4 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 10657.28 ms. Allocated memory was 199.2 MB in the beginning and 394.8 MB in the end (delta: 195.6 MB). Free memory was 142.4 MB in the beginning and 353.9 MB in the end (delta: -211.5 MB). Peak memory consumption was 226.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...