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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:16:26,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:16:26,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:16:26,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:16:26,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:16:26,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:16:26,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:16:26,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:16:26,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:16:26,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:16:26,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:16:26,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:16:26,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:16:26,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:16:26,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:16:26,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:16:26,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:16:26,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:16:26,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:16:26,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:16:26,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:16:26,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:16:26,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:16:26,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:16:26,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:16:26,598 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:16:26,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:16:26,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:16:26,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:16:26,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:16:26,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:16:26,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:16:26,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:16:26,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:16:26,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:16:26,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:16:26,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:16:26,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:16:26,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:16:26,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:16:26,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:16:26,607 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 [2019-09-20 23:16:26,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:16:26,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:16:26,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:16:26,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:16:26,623 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:16:26,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:16:26,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:16:26,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:16:26,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:16:26,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:16:26,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:16:26,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:16:26,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:16:26,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:16:26,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:16:26,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:16:26,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:16:26,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:16:26,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:16:26,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:16:26,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:16:26,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:16:26,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:16:26,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:16:26,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:16:26,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:16:26,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:16:26,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:16:26,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:16:26,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:16:26,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:16:26,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:16:26,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:16:26,686 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:16:26,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-20 23:16:26,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5617cf5c5/644c314d2deb4d04bfbe3b4e2b7e5918/FLAGc45739947 [2019-09-20 23:16:27,196 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:16:27,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-20 23:16:27,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5617cf5c5/644c314d2deb4d04bfbe3b4e2b7e5918/FLAGc45739947 [2019-09-20 23:16:27,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5617cf5c5/644c314d2deb4d04bfbe3b4e2b7e5918 [2019-09-20 23:16:27,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:16:27,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:16:27,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:27,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:16:27,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:16:27,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48baeef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27, skipping insertion in model container [2019-09-20 23:16:27,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,581 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:16:27,599 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:16:27,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:27,787 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:16:27,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:16:27,829 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:16:27,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27 WrapperNode [2019-09-20 23:16:27,830 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:16:27,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:16:27,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:16:27,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:16:27,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (1/1) ... [2019-09-20 23:16:27,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:16:27,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:16:27,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:16:27,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:16:27,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:16:27" (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 [2019-09-20 23:16:28,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:16:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:16:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:16:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:16:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:16:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 23:16:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:16:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:16:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:16:28,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:16:28,369 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:16:28,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:28 BoogieIcfgContainer [2019-09-20 23:16:28,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:16:28,372 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:16:28,372 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:16:28,372 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:16:28,373 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:16:28" (1/1) ... [2019-09-20 23:16:28,374 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:16:28,393 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:16:28,393 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:16:28,400 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:16:28,409 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:16:28,410 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:16:28,497 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 8 for LOIs [2019-09-20 23:16:40,020 WARN L191 SmtUtils]: Spent 11.34 s on a formula simplification. DAG size of input: 142 DAG size of output: 49 [2019-09-20 23:16:48,115 WARN L191 SmtUtils]: Spent 8.09 s on a formula simplification that was a NOOP. DAG size: 49 [2019-09-20 23:16:48,291 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30