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 --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/gj2007.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 17:59:31,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 17:59:31,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 17:59:31,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 17:59:31,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 17:59:31,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 17:59:31,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 17:59:31,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 17:59:31,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 17:59:31,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 17:59:31,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 17:59:31,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 17:59:31,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 17:59:31,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 17:59:31,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 17:59:31,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 17:59:31,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 17:59:31,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 17:59:31,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 17:59:31,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 17:59:31,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 17:59:31,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 17:59:31,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 17:59:31,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 17:59:31,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-03 17:59:31,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-03 17:59:31,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-03 17:59:31,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-03 17:59:31,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-03 17:59:31,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-03 17:59:31,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 17:59:31,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 17:59:31,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 17:59:31,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 17:59:31,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 17:59:31,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 17:59:31,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 17:59:31,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 17:59:31,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 17:59:31,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 17:59:31,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 17:59:31,618 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 [2019-09-03 17:59:31,633 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 17:59:31,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 17:59:31,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 17:59:31,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 17:59:31,634 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 17:59:31,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 17:59:31,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 17:59:31,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 17:59:31,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 17:59:31,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 17:59:31,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 17:59:31,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 17:59:31,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 17:59:31,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 17:59:31,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 17:59:31,636 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 17:59:31,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 17:59:31,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 17:59:31,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 17:59:31,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 17:59:31,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 17:59:31,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 17:59:31,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 17:59:31,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 17:59:31,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 17:59:31,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 17:59:31,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 17:59:31,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 17:59:31,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-03 17:59:31,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 17:59:31,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 17:59:31,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 17:59:31,702 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 17:59:31,702 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 17:59:31,703 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007.i [2019-09-03 17:59:31,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cca63bf7/b95d4a832f1f4c7d8e0dd953d07d9a8e/FLAG0696ff8bc [2019-09-03 17:59:32,196 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 17:59:32,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007.i [2019-09-03 17:59:32,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cca63bf7/b95d4a832f1f4c7d8e0dd953d07d9a8e/FLAG0696ff8bc [2019-09-03 17:59:32,584 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cca63bf7/b95d4a832f1f4c7d8e0dd953d07d9a8e [2019-09-03 17:59:32,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 17:59:32,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 17:59:32,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 17:59:32,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 17:59:32,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 17:59:32,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2787605e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32, skipping insertion in model container [2019-09-03 17:59:32,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,613 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 17:59:32,630 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 17:59:32,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:59:32,814 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 17:59:32,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 17:59:32,839 INFO L192 MainTranslator]: Completed translation [2019-09-03 17:59:32,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32 WrapperNode [2019-09-03 17:59:32,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 17:59:32,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 17:59:32,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 17:59:32,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 17:59:32,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (1/1) ... [2019-09-03 17:59:32,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 17:59:32,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 17:59:32,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 17:59:32,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 17:59:32,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 05:59:32" (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 [2019-09-03 17:59:33,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 17:59:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 17:59:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 17:59:33,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 17:59:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 17:59:33,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 17:59:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 17:59:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 17:59:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 17:59:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 17:59:33,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 17:59:33,176 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 17:59:33,176 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 17:59:33,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:59:33 BoogieIcfgContainer [2019-09-03 17:59:33,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 17:59:33,178 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-03 17:59:33,178 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-03 17:59:33,178 INFO L275 PluginConnector]: Sifa initialized [2019-09-03 17:59:33,179 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 05:59:33" (1/1) ... [2019-09-03 17:59:33,180 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-03 17:59:33,219 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-03 17:59:33,219 INFO L169 IcfgInterpreter]: Building call graph [2019-09-03 17:59:33,226 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-03 17:59:33,236 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-03 17:59:33,237 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-03 17:59:33,288 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs