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/ldv-regression/test_while_int.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:30:27,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:30:27,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:30:27,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:30:27,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:30:27,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:30:27,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:30:27,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:30:27,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:30:27,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:30:27,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:30:27,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:30:27,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:30:27,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:30:27,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:30:27,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:30:27,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:30:27,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:30:27,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:30:27,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:30:27,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:30:27,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:30:27,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:30:27,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:30:27,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 03:30:27,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:30:27,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:30:27,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:30:27,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:30:27,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:30:27,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:30:27,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:30:27,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:30:27,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:30:27,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:30:27,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:30:27,611 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 [2019-08-31 03:30:27,636 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:30:27,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:30:27,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:30:27,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:30:27,639 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:30:27,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:30:27,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:30:27,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:30:27,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:30:27,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:30:27,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:30:27,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:30:27,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:30:27,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:30:27,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:30:27,642 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:30:27,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:30:27,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:30:27,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:30:27,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:30:27,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:30:27,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:30:27,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:30:27,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:30:27,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:30:27,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:30:27,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:30:27,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:30:27,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:30:27,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:30:27,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:30:27,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:30:27,698 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:30:27,698 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:30:27,699 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2019-08-31 03:30:27,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09101a27c/a75d314d89074285baa11fd8c6fd44d4/FLAG784466c61 [2019-08-31 03:30:28,225 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:30:28,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2019-08-31 03:30:28,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09101a27c/a75d314d89074285baa11fd8c6fd44d4/FLAG784466c61 [2019-08-31 03:30:28,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09101a27c/a75d314d89074285baa11fd8c6fd44d4 [2019-08-31 03:30:28,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:30:28,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:30:28,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:30:28,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:30:28,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:30:28,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40db37d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28, skipping insertion in model container [2019-08-31 03:30:28,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,630 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:30:28,649 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:30:28,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:30:28,807 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:30:28,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:30:28,833 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:30:28,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28 WrapperNode [2019-08-31 03:30:28,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:30:28,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:30:28,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:30:28,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:30:28,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (1/1) ... [2019-08-31 03:30:28,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:30:28,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:30:28,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:30:28,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:30:28,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:28" (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 [2019-08-31 03:30:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:30:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:30:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-08-31 03:30:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:30:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:30:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-08-31 03:30:29,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:30:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:30:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:30:29,140 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:30:29,140 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 03:30:29,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:30:29 BoogieIcfgContainer [2019-08-31 03:30:29,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:30:29,142 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:30:29,142 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:30:29,143 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:30:29,144 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:30:29" (1/1) ... [2019-08-31 03:30:29,181 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:30:29,181 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:30:29,188 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:30:29,196 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:30:29,198 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:30:29,249 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 03:39:25,052 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5217 conjuctions. This might take some time... [2019-08-31 03:39:27,856 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5217 conjuctions. [2019-08-31 03:40:40,147 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5397 conjuctions. This might take some time... [2019-08-31 03:40:42,800 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5397 conjuctions. [2019-08-31 03:42:15,444 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5217 conjuctions. This might take some time... [2019-08-31 03:42:17,600 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5217 conjuctions. [2019-08-31 03:43:29,000 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5397 conjuctions. This might take some time... [2019-08-31 03:43:31,716 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5397 conjuctions. [2019-08-31 03:44:43,624 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5397 conjuctions. This might take some time... [2019-08-31 03:44:46,253 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5397 conjuctions.