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-benchs/image_filter.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:39:12,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:39:12,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:39:12,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:39:12,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:39:12,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:39:12,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:39:12,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:39:12,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:39:12,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:39:12,702 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:39:12,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:39:12,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:39:12,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:39:12,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:39:12,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:39:12,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:39:12,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:39:12,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:39:12,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:39:12,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:39:12,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:39:12,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:39:12,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:39:12,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 19:39:12,721 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 19:39:12,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 19:39:12,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 19:39:12,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 19:39:12,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 19:39:12,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:39:12,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:39:12,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:39:12,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:39:12,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:39:12,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:39:12,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:39:12,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:39:12,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:39:12,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:39:12,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:39:12,732 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 19:39:12,755 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:39:12,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:39:12,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:39:12,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:39:12,759 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:39:12,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:39:12,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:39:12,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:39:12,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:39:12,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:39:12,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:39:12,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:39:12,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:39:12,761 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:39:12,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:39:12,762 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:39:12,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:39:12,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:39:12,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:39:12,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:39:12,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:39:12,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:39:12,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:39:12,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:39:12,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:39:12,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:39:12,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:39:12,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:39:12,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:39:12,805 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:39:12,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:39:12,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:39:12,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:39:12,826 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:39:12,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/image_filter.c [2019-08-14 19:39:12,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3fe6abf/b18b9acaaf4f4401b97a53d149b784d9/FLAG753e59886 [2019-08-14 19:39:13,426 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:39:13,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/image_filter.c [2019-08-14 19:39:13,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3fe6abf/b18b9acaaf4f4401b97a53d149b784d9/FLAG753e59886 [2019-08-14 19:39:13,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d3fe6abf/b18b9acaaf4f4401b97a53d149b784d9 [2019-08-14 19:39:13,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:39:13,758 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:39:13,759 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:39:13,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:39:13,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:39:13,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:39:13" (1/1) ... [2019-08-14 19:39:13,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef5852a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:13, skipping insertion in model container [2019-08-14 19:39:13,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:39:13" (1/1) ... [2019-08-14 19:39:13,774 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:39:13,823 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:39:14,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:39:14,129 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:39:14,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:39:14,365 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:39:14,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14 WrapperNode [2019-08-14 19:39:14,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:39:14,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:39:14,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:39:14,367 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:39:14,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (1/1) ... [2019-08-14 19:39:14,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (1/1) ... [2019-08-14 19:39:14,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (1/1) ... [2019-08-14 19:39:14,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (1/1) ... [2019-08-14 19:39:14,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (1/1) ... [2019-08-14 19:39:14,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (1/1) ... [2019-08-14 19:39:14,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (1/1) ... [2019-08-14 19:39:14,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:39:14,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:39:14,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:39:14,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:39:14,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:39:14" (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 19:39:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:39:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:39:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-14 19:39:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure blur [2019-08-14 19:39:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sobel [2019-08-14 19:39:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure filter [2019-08-14 19:39:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure sobelitereen [2019-08-14 19:39:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:39:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:39:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-08-14 19:39:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 19:39:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 19:39:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure blur [2019-08-14 19:39:14,582 INFO L130 BoogieDeclarations]: Found specification of procedure sobel [2019-08-14 19:39:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure filter [2019-08-14 19:39:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-08-14 19:39:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure sobelitereen [2019-08-14 19:39:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 19:39:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-08-14 19:39:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 19:39:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:39:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:39:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:39:19,532 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:39:19,532 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 19:39:19,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:39:19 BoogieIcfgContainer [2019-08-14 19:39:19,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:39:19,535 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:39:19,535 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:39:19,535 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:39:19,536 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:39:19" (1/1) ... [2019-08-14 19:39:20,201 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:20,523 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:20,904 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:21,216 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:21,473 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:21,785 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:22,065 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:22,319 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:22,630 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:22,942 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:23,193 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:23,461 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:23,739 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:23,990 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:24,234 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:24,497 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:24,750 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:25,045 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:39:25,296 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-08-14 19:41:04,443 WARN L188 SmtUtils]: Spent 1.27 m on a formula simplification that was a NOOP. DAG size: 512 [2019-08-14 19:45:02,439 WARN L188 SmtUtils]: Spent 1.93 m on a formula simplification that was a NOOP. DAG size: 643 [2019-08-14 19:49:56,190 WARN L188 SmtUtils]: Spent 2.42 m on a formula simplification. DAG size of input: 3705 DAG size of output: 2965 [2019-08-14 19:51:45,608 WARN L188 SmtUtils]: Spent 1.82 m on a formula simplification that was a NOOP. DAG size: 2009 [2019-08-14 19:53:09,544 WARN L188 SmtUtils]: Spent 1.40 m on a formula simplification that was a NOOP. DAG size: 2003