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/loop-acceleration/diamond_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:01:53,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:01:53,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:01:53,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:01:53,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:01:53,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:01:53,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:01:53,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:01:53,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:01:53,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:01:53,805 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:01:53,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:01:53,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:01:53,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:01:53,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:01:53,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:01:53,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:01:53,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:01:53,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:01:53,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:01:53,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:01:53,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:01:53,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:01:53,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:01:53,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:01:53,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 22:01:53,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 22:01:53,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 22:01:53,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 22:01:53,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 22:01:53,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 22:01:53,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 22:01:53,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 22:01:53,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:01:53,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:01:53,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:01:53,831 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 [2019-08-22 22:01:53,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:01:53,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:01:53,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:01:53,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:01:53,847 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:01:53,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:01:53,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:01:53,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:01:53,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:01:53,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:01:53,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:01:53,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:01:53,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:01:53,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:01:53,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:01:53,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:01:53,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:01:53,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:01:53,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:01:53,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:01:53,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:01:53,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:01:53,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:01:53,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:01:53,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:01:53,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:01:53,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:01:53,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:01:53,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:01:53,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:01:53,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:01:53,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:01:53,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:01:53,898 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:01:53,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/diamond_1-1.c [2019-08-22 22:01:53,985 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2457e1ed/56ef8b91bbba4699bc2b6bb04e4c6626/FLAGf17542fa3 [2019-08-22 22:01:54,390 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:01:54,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_1-1.c [2019-08-22 22:01:54,397 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2457e1ed/56ef8b91bbba4699bc2b6bb04e4c6626/FLAGf17542fa3 [2019-08-22 22:01:54,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2457e1ed/56ef8b91bbba4699bc2b6bb04e4c6626 [2019-08-22 22:01:54,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:01:54,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:01:54,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:54,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:01:54,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:01:54,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:54" (1/1) ... [2019-08-22 22:01:54,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e07c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:54, skipping insertion in model container [2019-08-22 22:01:54,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:01:54" (1/1) ... [2019-08-22 22:01:54,839 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:01:54,854 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:01:55,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:55,028 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:01:55,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:01:55,058 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:01:55,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55 WrapperNode [2019-08-22 22:01:55,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:01:55,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:01:55,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:01:55,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:01:55,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:01:55,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:01:55,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:01:55,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:01:55,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:01:55" (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 [2019-08-22 22:01:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:01:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:01:55,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:01:55,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:01:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:01:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-22 22:01:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:01:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:01:55,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:01:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:01:55,385 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:01:55,385 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:01:55,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:01:55 BoogieIcfgContainer [2019-08-22 22:01:55,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:01:55,387 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:01:55,387 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:01:55,388 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:01:55,388 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:01:55" (1/1) ... [2019-08-22 22:01:55,402 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:01:55,404 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:01:55,410 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:01:55,418 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:01:55,420 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:01:55,464 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1