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 0.1.24-584d7b9 [2019-08-31 05:30:41,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 05:30:41,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 05:30:41,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 05:30:41,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 05:30:41,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 05:30:41,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 05:30:41,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 05:30:41,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 05:30:41,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 05:30:41,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 05:30:41,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 05:30:41,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 05:30:41,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 05:30:41,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 05:30:41,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 05:30:41,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 05:30:41,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 05:30:41,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 05:30:41,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 05:30:41,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 05:30:41,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 05:30:41,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 05:30:41,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 05:30:41,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 05:30:41,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 05:30:41,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 05:30:41,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 05:30:41,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 05:30:41,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 05:30:41,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 05:30:41,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 05:30:41,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 05:30:41,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 05:30:41,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 05:30:41,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 05:30:41,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 05:30:41,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 05:30:41,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 05:30:41,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 05:30:41,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 05:30:41,717 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 05:30:41,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 05:30:41,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 05:30:41,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 05:30:41,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 05:30:41,733 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 05:30:41,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 05:30:41,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 05:30:41,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 05:30:41,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 05:30:41,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 05:30:41,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 05:30:41,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 05:30:41,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 05:30:41,735 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 05:30:41,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 05:30:41,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 05:30:41,736 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 05:30:41,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 05:30:41,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 05:30:41,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 05:30:41,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 05:30:41,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 05:30:41,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 05:30:41,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 05:30:41,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 05:30:41,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 05:30:41,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 05:30:41,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 05:30:41,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 05:30:41,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 05:30:41,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 05:30:41,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 05:30:41,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 05:30:41,813 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 05:30:41,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01-2.i [2019-08-31 05:30:41,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495288912/8ca806b48569421e8447462d563172d7/FLAG68e033854 [2019-08-31 05:30:42,402 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 05:30:42,403 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex01-2.i [2019-08-31 05:30:42,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495288912/8ca806b48569421e8447462d563172d7/FLAG68e033854 [2019-08-31 05:30:42,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495288912/8ca806b48569421e8447462d563172d7 [2019-08-31 05:30:42,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 05:30:42,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 05:30:42,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 05:30:42,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 05:30:42,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 05:30:42,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:30:42" (1/1) ... [2019-08-31 05:30:42,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb4ec86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:42, skipping insertion in model container [2019-08-31 05:30:42,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:30:42" (1/1) ... [2019-08-31 05:30:42,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 05:30:42,871 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 05:30:43,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:30:43,103 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 05:30:43,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:30:43,147 INFO L192 MainTranslator]: Completed translation [2019-08-31 05:30:43,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43 WrapperNode [2019-08-31 05:30:43,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 05:30:43,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 05:30:43,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 05:30:43,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 05:30:43,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 05:30:43,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 05:30:43,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 05:30:43,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 05:30:43,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:30:43" (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 05:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 05:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 05:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 05:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-31 05:30:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 05:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 05:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 05:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 05:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-31 05:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 05:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-31 05:30:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 05:30:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 05:30:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 05:30:43,601 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 05:30:43,602 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-31 05:30:43,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:30:43 BoogieIcfgContainer [2019-08-31 05:30:43,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 05:30:43,608 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 05:30:43,608 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 05:30:43,609 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 05:30:43,614 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:30:43" (1/1) ... [2019-08-31 05:30:43,677 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 05:30:43,677 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 05:30:43,688 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 05:30:43,698 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 05:30:43,700 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 05:30:43,758 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 05:30:43,797 INFO L199 IcfgInterpreter]: Interpreting procedure f with input of size 14 for LOIs [2019-08-31 05:34:49,778 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6136 conjuctions. This might take some time... [2019-08-31 05:34:53,325 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6136 conjuctions. [2019-08-31 05:37:41,951 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6136 conjuctions. This might take some time... [2019-08-31 05:37:45,620 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6136 conjuctions. [2019-08-31 05:37:45,694 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7007 conjuctions. This might take some time... [2019-08-31 05:37:51,097 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7007 conjuctions. [2019-08-31 05:39:57,384 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5442 conjuctions. This might take some time... [2019-08-31 05:40:00,192 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5442 conjuctions. [2019-08-31 05:41:25,563 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6136 conjuctions. This might take some time... [2019-08-31 05:41:29,239 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 6136 conjuctions. [2019-08-31 05:41:29,312 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7007 conjuctions. This might take some time... [2019-08-31 05:41:34,623 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7007 conjuctions. [2019-08-31 05:42:24,502 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7621 conjuctions. This might take some time... [2019-08-31 05:42:30,078 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 7621 conjuctions. [2019-08-31 05:43:46,380 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5442 conjuctions. This might take some time... [2019-08-31 05:43:51,807 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 5442 conjuctions.