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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:24:48,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:24:48,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:24:48,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:24:48,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:24:48,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:24:48,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:24:48,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:24:48,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:24:48,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:24:48,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:24:48,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:24:48,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:24:48,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:24:48,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:24:48,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:24:48,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:24:48,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:24:48,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:24:48,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:24:48,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:24:48,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:24:48,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:24:48,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:24:48,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:24:48,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:24:48,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:24:48,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:24:48,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:24:48,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:24:48,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:24:48,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:24:48,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:24:48,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:24:48,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:24:48,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:24:48,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:24:48,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:24:48,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:24:48,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:24:48,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:24:48,134 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 18:24:48,150 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:24:48,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:24:48,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:24:48,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:24:48,152 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:24:48,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:24:48,153 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:24:48,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:24:48,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:24:48,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:24:48,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:24:48,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:24:48,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:24:48,154 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:24:48,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:24:48,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:24:48,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:24:48,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:24:48,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:24:48,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:24:48,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:24:48,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:24:48,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:24:48,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:24:48,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:24:48,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:24:48,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:24:48,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:24:48,157 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 -> SequenceOfStatements 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:24:48,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:24:48,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:24:48,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:24:48,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:24:48,215 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:24:48,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 18:24:48,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fcc082a/f15c2877999a4885a6a25889bfbb81e8/FLAGe52a8f87a [2019-09-20 18:24:48,828 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:24:48,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 18:24:48,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fcc082a/f15c2877999a4885a6a25889bfbb81e8/FLAGe52a8f87a [2019-09-20 18:24:49,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fcc082a/f15c2877999a4885a6a25889bfbb81e8 [2019-09-20 18:24:49,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:24:49,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:24:49,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:24:49,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:24:49,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:24:49,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3c048f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49, skipping insertion in model container [2019-09-20 18:24:49,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,076 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:24:49,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:24:49,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:24:49,514 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:24:49,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:24:49,648 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:24:49,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49 WrapperNode [2019-09-20 18:24:49,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:24:49,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:24:49,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:24:49,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:24:49,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (1/1) ... [2019-09-20 18:24:49,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:24:49,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:24:49,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:24:49,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:24:49,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:49" (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 18:24:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:24:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:24:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:24:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:24:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-20 18:24:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 18:24:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:24:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:24:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 18:24:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:24:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:24:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 18:24:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:24:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:24:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:24:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:24:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:24:51,018 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:24:51,019 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:24:51,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:24:51 BoogieIcfgContainer [2019-09-20 18:24:51,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:24:51,021 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:24:51,021 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:24:51,021 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:24:51,022 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,023 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:24:51,046 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:24:51,046 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:24:51,054 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:24:51,064 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:24:51,065 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:24:53,255 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 199 [2019-09-20 18:24:54,904 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 275 DAG size of output: 221 [2019-09-20 18:24:56,638 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 276 DAG size of output: 252 [2019-09-20 18:24:57,539 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-20 18:24:58,342 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-20 18:24:58,354 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 266 for LOIs