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/systemc/toy1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:37:09,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:37:09,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:37:09,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:37:09,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:37:09,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:37:09,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:37:09,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:37:09,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:37:09,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:37:09,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:37:09,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:37:09,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:37:09,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:37:09,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:37:09,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:37:09,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:37:09,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:37:09,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:37:09,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:37:09,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:37:09,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:37:09,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:37:09,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:37:09,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:37:09,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:37:09,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:37:09,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:37:09,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:37:09,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:37:09,806 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:37:09,807 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:37:09,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:37:09,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:37:09,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:37:09,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:37:09,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:37:09,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:37:09,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:37:09,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:37:09,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:37:09,813 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 [2019-09-06 11:37:09,828 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:37:09,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:37:09,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:37:09,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:37:09,830 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:37:09,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:37:09,830 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:37:09,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:37:09,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:37:09,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:37:09,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:37:09,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:37:09,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:37:09,831 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:37:09,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:37:09,832 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:37:09,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:37:09,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:37:09,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:37:09,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:37:09,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:37:09,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:37:09,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:37:09,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:37:09,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:37:09,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:37:09,834 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:37:09,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:37:09,835 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 [2019-09-06 11:37:09,864 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:37:09,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:37:09,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:37:09,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:37:09,889 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:37:09,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy1.cil.c [2019-09-06 11:37:09,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77675ee7/8fe771609a9f432583f2fff21e517117/FLAGfe413fa97 [2019-09-06 11:37:10,471 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:37:10,472 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy1.cil.c [2019-09-06 11:37:10,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77675ee7/8fe771609a9f432583f2fff21e517117/FLAGfe413fa97 [2019-09-06 11:37:10,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d77675ee7/8fe771609a9f432583f2fff21e517117 [2019-09-06 11:37:10,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:37:10,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:37:10,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:37:10,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:37:10,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:37:10,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:37:10" (1/1) ... [2019-09-06 11:37:10,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa9071e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:10, skipping insertion in model container [2019-09-06 11:37:10,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:37:10" (1/1) ... [2019-09-06 11:37:10,797 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:37:10,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:37:11,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:37:11,110 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:37:11,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:37:11,308 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:37:11,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11 WrapperNode [2019-09-06 11:37:11,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:37:11,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:37:11,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:37:11,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:37:11,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (1/1) ... [2019-09-06 11:37:11,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (1/1) ... [2019-09-06 11:37:11,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (1/1) ... [2019-09-06 11:37:11,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (1/1) ... [2019-09-06 11:37:11,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (1/1) ... [2019-09-06 11:37:11,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (1/1) ... [2019-09-06 11:37:11,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (1/1) ... [2019-09-06 11:37:11,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:37:11,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:37:11,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:37:11,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:37:11,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:37:11" (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 [2019-09-06 11:37:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:37:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:37:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:37:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-09-06 11:37:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-09-06 11:37:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-09-06 11:37:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-09-06 11:37:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-09-06 11:37:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:37:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:37:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:37:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:37:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:37:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:37:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-09-06 11:37:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-09-06 11:37:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-09-06 11:37:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-09-06 11:37:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 11:37:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:37:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:37:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:37:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:37:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:37:12,117 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:37:12,117 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-06 11:37:12,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:37:12 BoogieIcfgContainer [2019-09-06 11:37:12,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:37:12,121 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:37:12,122 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:37:12,122 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:37:12,124 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:37:12" (1/1) ... [2019-09-06 11:37:12,124 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 [2019-09-06 11:37:12,170 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:37:12,171 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:37:12,192 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:37:12,201 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:37:12,203 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:37:12,348 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 141 for LOIs [2019-09-06 11:37:12,405 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 116 for LOIs [2019-09-06 11:46:07,693 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 121 for LOIs