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_1211a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:07:24,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:07:24,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:07:24,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:07:24,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:07:24,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:07:24,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:07:24,454 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:07:24,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:07:24,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:07:24,464 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:07:24,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:07:24,466 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:07:24,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:07:24,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:07:24,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:07:24,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:07:24,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:07:24,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:07:24,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:07:24,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:07:24,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:07:24,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:07:24,496 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:07:24,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 20:07:24,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 20:07:24,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 20:07:24,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 20:07:24,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 20:07:24,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 20:07:24,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:07:24,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:07:24,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:07:24,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:07:24,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:07:24,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:07:24,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:07:24,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:07:24,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:07:24,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:07:24,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:07:24,513 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 20:07:24,531 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:07:24,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:07:24,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:07:24,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:07:24,533 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:07:24,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:07:24,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:07:24,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:07:24,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:07:24,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:07:24,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:07:24,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:07:24,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:07:24,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:07:24,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:07:24,535 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:07:24,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:07:24,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:07:24,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:07:24,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:07:24,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:07:24,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:07:24,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:07:24,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:07:24,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:07:24,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:07:24,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:07:24,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:07:24,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:07:24,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:07:24,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:07:24,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:07:24,588 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:07:24,588 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:07:24,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1211a.c [2019-08-14 20:07:24,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46824c2dc/b8bcaf379c9b43629b6c0ee0c32fcd87/FLAGff39cbeba [2019-08-14 20:07:25,095 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:07:25,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1211a.c [2019-08-14 20:07:25,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46824c2dc/b8bcaf379c9b43629b6c0ee0c32fcd87/FLAGff39cbeba [2019-08-14 20:07:25,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46824c2dc/b8bcaf379c9b43629b6c0ee0c32fcd87 [2019-08-14 20:07:25,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:07:25,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:07:25,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:25,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:07:25,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:07:25,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37613af5 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 20:07:25,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:07:25,512 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:07:25,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:25,796 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:07:25,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:07:25,945 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:07:25,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25 WrapperNode [2019-08-14 20:07:25,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:07:25,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:07:25,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:07:25,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:07:25,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (1/1) ... [2019-08-14 20:07:25,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:07:25,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:07:25,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:07:26,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:07:26,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:07:25" (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 20:07:26,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:07:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:07:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2019-08-14 20:07:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-08-14 20:07:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2019-08-14 20:07:26,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:07:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:07:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 20:07:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2019-08-14 20:07:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:07:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 20:07:26,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:07:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:07:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:07:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 20:07:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-08-14 20:07:26,063 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2019-08-14 20:07:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:07:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-08-14 20:07:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:07:26,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:07:26,534 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:07:26,534 INFO L283 CfgBuilder]: Removed 18 assume(true) statements. [2019-08-14 20:07:26,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:07:26 BoogieIcfgContainer [2019-08-14 20:07:26,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:07:26,536 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:07:26,536 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:07:26,537 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:07:26,538 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 20:07:26,969 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-08-14 20:07:27,146 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-08-14 20:07:28,193 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-08-14 20:07:28,660 WARN L188 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-14 20:07:28,819 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-14 20:07:28,963 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-14 20:07:29,267 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-08-14 20:07:29,738 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2019-08-14 20:07:30,125 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-08-14 20:07:30,300 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-08-14 20:07:30,458 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-08-14 20:07:30,792 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-08-14 20:07:32,069 WARN L188 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2019-08-14 20:07:33,350 WARN L188 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2019-08-14 20:07:34,353 WARN L188 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2019-08-14 20:07:34,747 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-14 20:07:35,180 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-14 20:07:36,427 WARN L188 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 115 [2019-08-14 20:07:37,796 WARN L188 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2019-08-14 20:07:38,641 WARN L188 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2019-08-14 20:07:39,028 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-14 20:07:39,430 WARN L188 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-14 20:07:39,938 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-08-14 20:07:40,326 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:40,480 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:40,681 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:40,874 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:41,285 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-08-14 20:07:41,675 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:41,838 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:42,046 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:42,232 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:42,683 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-08-14 20:07:43,091 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:43,255 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:43,470 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:43,637 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:44,319 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:44,682 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:44,827 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-14 20:07:44,956 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:45,588 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:45,917 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:46,049 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:46,184 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:46,673 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-08-14 20:07:47,103 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:47,264 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:47,392 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-08-14 20:07:48,042 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 98 [2019-08-14 20:07:48,576 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2019-08-14 20:07:48,762 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-14 20:07:48,920 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-08-14 20:07:49,047 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-08-14 20:07:49,446 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-08-14 20:07:49,798 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 82 [2019-08-14 20:07:50,000 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-14 20:07:50,132 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-08-14 20:07:50,831 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-14 20:07:51,528 WARN L188 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-08-14 20:07:51,832 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-14 20:07:52,055 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-14 20:07:52,279 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-08-14 20:07:52,310 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:07:52,311 INFO L168 Benchmark]: Toolchain (without parser) took 26839.07 ms. Allocated memory was 140.5 MB in the beginning and 420.0 MB in the end (delta: 279.4 MB). Free memory was 87.7 MB in the beginning and 246.7 MB in the end (delta: -158.9 MB). Peak memory consumption was 286.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:52,311 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:07:52,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.94 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 87.5 MB in the beginning and 176.2 MB in the end (delta: -88.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:52,312 INFO L168 Benchmark]: Boogie Preprocessor took 51.96 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 173.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:52,312 INFO L168 Benchmark]: RCFGBuilder took 537.32 ms. Allocated memory is still 199.8 MB. Free memory was 173.8 MB in the beginning and 146.6 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:52,313 INFO L168 Benchmark]: Symbolic Interpretation took 25773.48 ms. Allocated memory was 199.8 MB in the beginning and 420.0 MB in the end (delta: 220.2 MB). Free memory was 146.6 MB in the beginning and 246.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 286.0 MB. Max. memory is 7.1 GB. [2019-08-14 20:07:52,315 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 0.43 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 472.94 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 87.5 MB in the beginning and 176.2 MB in the end (delta: -88.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.96 ms. Allocated memory is still 199.8 MB. Free memory was 176.2 MB in the beginning and 173.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 537.32 ms. Allocated memory is still 199.8 MB. Free memory was 173.8 MB in the beginning and 146.6 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 25773.48 ms. Allocated memory was 199.8 MB in the beginning and 420.0 MB in the end (delta: 220.2 MB). Free memory was 146.6 MB in the beginning and 246.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 286.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...