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/loops/trex01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:00:22,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:00:22,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:00:22,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:00:22,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:00:22,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:00:22,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:00:22,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:00:22,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:00:22,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:00:22,366 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:00:22,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:00:22,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:00:22,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:00:22,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:00:22,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:00:22,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:00:22,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:00:22,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:00:22,376 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:00:22,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:00:22,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:00:22,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:00:22,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:00:22,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:00:22,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 22:00:22,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 22:00:22,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 22:00:22,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 22:00:22,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 22:00:22,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 22:00:22,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 22:00:22,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 22:00:22,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:00:22,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:00:22,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:00:22,393 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 22:00:22,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:00:22,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:00:22,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:00:22,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:00:22,422 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:00:22,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:00:22,423 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:00:22,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:00:22,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:00:22,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:00:22,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:00:22,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:00:22,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:00:22,424 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:00:22,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:00:22,425 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:00:22,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:00:22,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:00:22,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:00:22,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:00:22,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:00:22,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:00:22,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:00:22,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:00:22,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:00:22,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:00:22,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:00:22,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:00:22,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:00:22,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:00:22,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:00:22,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:00:22,493 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:00:22,493 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:00:22,494 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01-2.i [2019-08-22 22:00:22,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180da5a16/599d5500c2284bdfac00d05bd4e326ee/FLAG31e044c37 [2019-08-22 22:00:23,074 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:00:23,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex01-2.i [2019-08-22 22:00:23,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180da5a16/599d5500c2284bdfac00d05bd4e326ee/FLAG31e044c37 [2019-08-22 22:00:23,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/180da5a16/599d5500c2284bdfac00d05bd4e326ee [2019-08-22 22:00:23,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:00:23,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:00:23,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:00:23,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:00:23,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:00:23,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb49a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23, skipping insertion in model container [2019-08-22 22:00:23,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:00:23,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:00:23,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:00:23,627 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:00:23,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:00:23,658 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:00:23,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23 WrapperNode [2019-08-22 22:00:23,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:00:23,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:00:23,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:00:23,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:00:23,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (1/1) ... [2019-08-22 22:00:23,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:00:23,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:00:23,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:00:23,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:00:23,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:00:23" (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 22:00:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:00:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:00:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:00:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-22 22:00:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:00:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:00:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 22:00:23,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:00:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-22 22:00:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 22:00:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-22 22:00:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:00:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:00:23,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:00:24,056 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:00:24,057 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-22 22:00:24,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:00:24 BoogieIcfgContainer [2019-08-22 22:00:24,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:00:24,066 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:00:24,067 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:00:24,067 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:00:24,068 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:00:24" (1/1) ... [2019-08-22 22:00:24,087 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:00:24,091 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:00:24,104 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:00:24,122 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:00:24,124 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:00:24,179 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 22:00:24,212 INFO L185 IcfgInterpreter]: Interpreting procedure f with input of size 14