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/phases_1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 05:58:09,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 05:58:09,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 05:58:09,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 05:58:09,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 05:58:09,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 05:58:09,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 05:58:09,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 05:58:09,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 05:58:09,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 05:58:09,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 05:58:09,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 05:58:09,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 05:58:09,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 05:58:09,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 05:58:09,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 05:58:09,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 05:58:09,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 05:58:09,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 05:58:09,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 05:58:09,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 05:58:09,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 05:58:09,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 05:58:09,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 05:58:09,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 05:58:09,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 05:58:09,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 05:58:09,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 05:58:09,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 05:58:09,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 05:58:09,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 05:58:09,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 05:58:09,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 05:58:09,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 05:58:09,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 05:58:09,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 05:58:09,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 05:58:09,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 05:58:09,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 05:58:09,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 05:58:09,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 05:58:09,808 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 05:58:09,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 05:58:09,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 05:58:09,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 05:58:09,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 05:58:09,828 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 05:58:09,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 05:58:09,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 05:58:09,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 05:58:09,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 05:58:09,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 05:58:09,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 05:58:09,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 05:58:09,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 05:58:09,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 05:58:09,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 05:58:09,832 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 05:58:09,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 05:58:09,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 05:58:09,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 05:58:09,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 05:58:09,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 05:58:09,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 05:58:09,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 05:58:09,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 05:58:09,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 05:58:09,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 05:58:09,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 05:58:09,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 05:58:09,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 05:58:09,881 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 05:58:09,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 05:58:09,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 05:58:09,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 05:58:09,900 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 05:58:09,901 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/phases_1-2.c [2019-08-31 05:58:09,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9975f01a3/2e38c54c2f2d4a74a3ee33178ee8de54/FLAG641d9462b [2019-08-31 05:58:10,411 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 05:58:10,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/phases_1-2.c [2019-08-31 05:58:10,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9975f01a3/2e38c54c2f2d4a74a3ee33178ee8de54/FLAG641d9462b [2019-08-31 05:58:10,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9975f01a3/2e38c54c2f2d4a74a3ee33178ee8de54 [2019-08-31 05:58:10,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 05:58:10,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 05:58:10,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 05:58:10,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 05:58:10,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 05:58:10,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:58:10" (1/1) ... [2019-08-31 05:58:10,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bb67cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:10, skipping insertion in model container [2019-08-31 05:58:10,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:58:10" (1/1) ... [2019-08-31 05:58:10,831 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 05:58:10,847 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 05:58:11,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:58:11,017 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 05:58:11,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 05:58:11,042 INFO L192 MainTranslator]: Completed translation [2019-08-31 05:58:11,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11 WrapperNode [2019-08-31 05:58:11,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 05:58:11,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 05:58:11,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 05:58:11,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 05:58:11,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 05:58:11,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 05:58:11,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 05:58:11,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 05:58:11,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:58:11" (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 05:58:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 05:58:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 05:58:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-31 05:58:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 05:58:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 05:58:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-31 05:58:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 05:58:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 05:58:11,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 05:58:11,377 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 05:58:11,378 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-31 05:58:11,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:58:11 BoogieIcfgContainer [2019-08-31 05:58:11,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 05:58:11,380 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 05:58:11,380 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 05:58:11,380 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 05:58:11,381 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:58:11" (1/1) ... [2019-08-31 05:58:11,416 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 05:58:11,416 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 05:58:11,424 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 05:58:11,432 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 05:58:11,434 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 05:58:11,479 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 05:58:32,753 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13334 conjuctions. This might take some time... [2019-08-31 05:58:55,780 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 13334 conjuctions. [2019-08-31 05:59:06,052 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13334 conjuctions. This might take some time... [2019-08-31 05:59:27,733 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 13334 conjuctions. [2019-08-31 05:59:35,066 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14688 conjuctions. This might take some time... [2019-08-31 06:00:01,537 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 14688 conjuctions. [2019-08-31 06:00:04,475 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14927 conjuctions. This might take some time... [2019-08-31 06:00:47,819 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 14927 conjuctions. [2019-08-31 06:00:58,721 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15614 conjuctions. This might take some time... [2019-08-31 06:01:29,818 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 15614 conjuctions. [2019-08-31 06:01:29,933 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16259 conjuctions. This might take some time... [2019-08-31 06:01:56,686 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16259 conjuctions. [2019-08-31 06:02:04,007 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14688 conjuctions. This might take some time... [2019-08-31 06:02:30,383 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 14688 conjuctions. [2019-08-31 06:02:33,313 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 14927 conjuctions. This might take some time... [2019-08-31 06:03:20,875 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 14927 conjuctions. [2019-08-31 06:03:30,650 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15614 conjuctions. This might take some time... [2019-08-31 06:03:59,544 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 15614 conjuctions. [2019-08-31 06:03:59,637 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 16259 conjuctions. This might take some time... [2019-08-31 06:04:47,950 INFO L193 XnfTransformerHelper]: Simplified to disjunction of 16259 conjuctions. [2019-08-31 06:04:48,192 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 50600 conjuctions. This might take some time...