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/aiob_4.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 21:43:55,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 21:43:55,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 21:43:55,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 21:43:55,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 21:43:55,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 21:43:55,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 21:43:55,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 21:43:55,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 21:43:55,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 21:43:55,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 21:43:55,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 21:43:55,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 21:43:55,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 21:43:55,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 21:43:55,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 21:43:55,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 21:43:55,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 21:43:55,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 21:43:55,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 21:43:55,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 21:43:55,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 21:43:55,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 21:43:55,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 21:43:55,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 21:43:55,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 21:43:55,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 21:43:55,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 21:43:55,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 21:43:55,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 21:43:55,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 21:43:55,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 21:43:55,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 21:43:55,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 21:43:55,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 21:43:55,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 21:43:55,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 21:43:55,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 21:43:55,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 21:43:55,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 21:43:55,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 21:43:55,935 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 [2019-09-19 21:43:55,970 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 21:43:55,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 21:43:55,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 21:43:55,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 21:43:55,972 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 21:43:55,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 21:43:55,973 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 21:43:55,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 21:43:55,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 21:43:55,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 21:43:55,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 21:43:55,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 21:43:55,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 21:43:55,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 21:43:55,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 21:43:55,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 21:43:55,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 21:43:55,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 21:43:55,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 21:43:55,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 21:43:55,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 21:43:55,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 21:43:55,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 21:43:55,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 21:43:55,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 21:43:55,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 21:43:55,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 21:43:55,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 21:43:55,977 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 [2019-09-19 21:43:56,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 21:43:56,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 21:43:56,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 21:43:56,025 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 21:43:56,025 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 21:43:56,026 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-19 21:43:56,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a314634aa/3f511c55b0d54af093b0c297f4003cac/FLAG8b6ac501b [2019-09-19 21:43:56,591 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 21:43:56,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-19 21:43:56,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a314634aa/3f511c55b0d54af093b0c297f4003cac/FLAG8b6ac501b [2019-09-19 21:43:56,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a314634aa/3f511c55b0d54af093b0c297f4003cac [2019-09-19 21:43:56,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 21:43:56,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 21:43:56,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 21:43:56,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 21:43:56,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 21:43:56,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:43:56" (1/1) ... [2019-09-19 21:43:56,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4e296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:56, skipping insertion in model container [2019-09-19 21:43:56,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:43:56" (1/1) ... [2019-09-19 21:43:56,959 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 21:43:56,999 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 21:43:57,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:43:57,410 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 21:43:57,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:43:57,538 INFO L192 MainTranslator]: Completed translation [2019-09-19 21:43:57,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57 WrapperNode [2019-09-19 21:43:57,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 21:43:57,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 21:43:57,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 21:43:57,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 21:43:57,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (1/1) ... [2019-09-19 21:43:57,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (1/1) ... [2019-09-19 21:43:57,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (1/1) ... [2019-09-19 21:43:57,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (1/1) ... [2019-09-19 21:43:57,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (1/1) ... [2019-09-19 21:43:57,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (1/1) ... [2019-09-19 21:43:57,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (1/1) ... [2019-09-19 21:43:57,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 21:43:57,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 21:43:57,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 21:43:57,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 21:43:57,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:57" (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 [2019-09-19 21:43:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 21:43:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 21:43:57,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 21:43:57,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 21:43:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-19 21:43:57,705 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-19 21:43:57,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 21:43:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 21:43:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 21:43:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 21:43:57,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 21:43:57,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 21:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 21:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 21:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 21:43:57,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 21:43:57,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 21:43:58,831 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 21:43:58,831 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 21:43:58,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:43:58 BoogieIcfgContainer [2019-09-19 21:43:58,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 21:43:58,833 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 21:43:58,834 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 21:43:58,834 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 21:43:58,835 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:43:58" (1/1) ... [2019-09-19 21:43:58,836 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 [2019-09-19 21:43:58,865 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 21:43:58,865 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 21:43:58,875 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 21:43:58,886 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 21:43:58,888 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 21:44:00,801 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 199 [2019-09-19 21:44:02,346 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 275 DAG size of output: 221 [2019-09-19 21:44:04,088 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 276 DAG size of output: 252 [2019-09-19 21:44:04,830 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-19 21:44:05,618 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2019-09-19 21:44:05,630 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 266 for LOIs [2019-09-19 21:45:48,654 WARN L191 SmtUtils]: Spent 51.71 s on a formula simplification that was a NOOP. DAG size: 1110 [2019-09-19 21:47:07,543 WARN L191 SmtUtils]: Spent 30.03 s on a formula simplification that was a NOOP. DAG size: 1149 [2019-09-19 21:51:33,313 WARN L191 SmtUtils]: Spent 4.43 m on a formula simplification. DAG size of input: 1471 DAG size of output: 1301 [2019-09-19 21:52:31,586 WARN L191 SmtUtils]: Spent 58.27 s on a formula simplification that was a NOOP. DAG size: 1301 [2019-09-19 21:54:43,824 WARN L191 SmtUtils]: Spent 2.20 m on a formula simplification. DAG size of input: 1462 DAG size of output: 1311 [2019-09-19 21:55:23,741 WARN L191 SmtUtils]: Spent 39.91 s on a formula simplification that was a NOOP. DAG size: 1311 [2019-09-19 21:56:42,588 WARN L191 SmtUtils]: Spent 1.31 m on a formula simplification. DAG size of input: 1326 DAG size of output: 1315 [2019-09-19 21:57:21,034 WARN L191 SmtUtils]: Spent 38.44 s on a formula simplification that was a NOOP. DAG size: 1315