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/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:24:49,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:24:49,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:24:49,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:24:49,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:24:49,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:24:49,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:24:49,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:24:49,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:24:49,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:24:49,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:24:49,924 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:24:49,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:24:49,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:24:49,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:24:49,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:24:49,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:24:49,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:24:49,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:24:49,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:24:49,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:24:49,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:24:49,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:24:49,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:24:49,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:24:49,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:24:49,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:24:49,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:24:49,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:24:49,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:24:49,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:24:49,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:24:49,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:24:49,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:24:49,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:24:49,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:24:49,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:24:49,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:24:49,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:24:49,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:24:49,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:24:49,956 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 18:24:49,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:24:49,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:24:49,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:24:49,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:24:49,975 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:24:49,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:24:49,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:24:49,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:24:49,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:24:49,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:24:49,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:24:49,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:24:49,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:24:49,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:24:49,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:24:49,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:24:49,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:24:49,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:24:49,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:24:49,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:24:49,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:24:49,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:24:49,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:24:49,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:24:49,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:24:49,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:24:49,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:24:49,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:24:49,980 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 18:24:50,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:24:50,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:24:50,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:24:50,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:24:50,030 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:24:50,030 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-20 18:24:50,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f609d13f/11dae1367af647b7bf794a0a7bd25fd3/FLAG9219e0e1d [2019-09-20 18:24:50,495 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:24:50,495 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-20 18:24:50,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f609d13f/11dae1367af647b7bf794a0a7bd25fd3/FLAG9219e0e1d [2019-09-20 18:24:50,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f609d13f/11dae1367af647b7bf794a0a7bd25fd3 [2019-09-20 18:24:50,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:24:50,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:24:50,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:24:50,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:24:50,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:24:50,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:24:50" (1/1) ... [2019-09-20 18:24:50,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682ee9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:50, skipping insertion in model container [2019-09-20 18:24:50,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:24:50" (1/1) ... [2019-09-20 18:24:50,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:24:50,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:24:51,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:24:51,215 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:24:51,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:24:51,343 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:24:51,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51 WrapperNode [2019-09-20 18:24:51,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:24:51,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:24:51,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:24:51,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:24:51,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (1/1) ... [2019-09-20 18:24:51,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:24:51,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:24:51,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:24:51,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:24:51,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:24:51" (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 18:24:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:24:51,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:24:51,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:24:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:24:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:24:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 18:24:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:24:51,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:24:51,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:24:51,709 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:24:51,709 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:24:51,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:24:51 BoogieIcfgContainer [2019-09-20 18:24:51,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:24:51,711 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:24:51,711 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:24:51,711 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:24:51,712 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 18:24:51,713 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 18:24:51,757 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:24:51,757 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:24:51,772 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:24:51,787 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:24:51,789 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:24:52,006 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-09-20 18:24:52,534 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2019-09-20 18:24:52,718 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:24:59,492 WARN L191 SmtUtils]: Spent 6.75 s on a formula simplification. DAG size of input: 86 DAG size of output: 1 [2019-09-20 18:25:06,133 WARN L191 SmtUtils]: Spent 6.61 s on a formula simplification. DAG size of input: 88 DAG size of output: 3 [2019-09-20 18:25:06,299 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2019-09-20 18:25:09,027 WARN L191 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-20 18:25:11,984 WARN L191 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:12,913 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-20 18:25:13,082 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:13,316 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-09-20 18:25:14,507 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-20 18:25:16,993 WARN L191 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-20 18:25:17,469 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:17,991 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-20 18:25:18,788 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-20 18:25:19,136 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:22,794 WARN L191 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-20 18:25:25,063 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:25,268 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-20 18:25:27,440 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-20 18:25:30,028 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-20 18:25:30,502 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-20 18:25:30,947 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-20 18:25:33,003 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:33,362 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-20 18:25:33,476 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:33,664 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-20 18:25:33,981 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-20 18:25:38,462 WARN L191 SmtUtils]: Spent 4.48 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-20 18:25:38,871 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-20 18:25:39,000 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:25:39,001 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:25:39,004 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 307#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (= (mod (ite (and (not (= 0 (mod (mod main_~main__x~0 4294967296) 3))) (< (mod main_~main__x~0 4294967296) 0)) (+ (mod (mod main_~main__x~0 4294967296) 3) (- 3)) (mod (mod main_~main__x~0 4294967296) 3)) 4294967296) 0) 1 0) main_~__tmp_1~0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= 0 (mod main_~main__y~0 4294967296))) [2019-09-20 18:25:39,015 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:25:39,015 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:25:39,016 INFO L168 Benchmark]: Toolchain (without parser) took 48140.80 ms. Allocated memory was 133.2 MB in the beginning and 296.7 MB in the end (delta: 163.6 MB). Free memory was 89.3 MB in the beginning and 123.1 MB in the end (delta: -33.9 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:39,017 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:25:39,018 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.33 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 178.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:39,019 INFO L168 Benchmark]: Boogie Preprocessor took 35.67 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 176.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:39,020 INFO L168 Benchmark]: RCFGBuilder took 329.91 ms. Allocated memory is still 200.8 MB. Free memory was 176.0 MB in the beginning and 159.9 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:39,021 INFO L168 Benchmark]: Sifa took 47304.26 ms. Allocated memory was 200.8 MB in the beginning and 296.7 MB in the end (delta: 95.9 MB). Free memory was 159.9 MB in the beginning and 123.1 MB in the end (delta: 36.8 MB). Peak memory consumption was 132.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:25:39,025 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 467.33 ms. Allocated memory was 133.2 MB in the beginning and 200.8 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 178.2 MB in the end (delta: -89.2 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.67 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 176.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.91 ms. Allocated memory is still 200.8 MB. Free memory was 176.0 MB in the beginning and 159.9 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Sifa took 47304.26 ms. Allocated memory was 200.8 MB in the beginning and 296.7 MB in the end (delta: 95.9 MB). Free memory was 159.9 MB in the beginning and 123.1 MB in the end (delta: 36.8 MB). Peak memory consumption was 132.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 47247, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 113, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 100, TOOLS_POST_TIME[ms]: 165, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 49, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 103, TOOLS_QUANTIFIERELIM_TIME[ms]: 154, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 122, FLUID_YES_ANSWERS: 11, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME[ms]: 45773, DOMAIN_ALPHA_APPLICATIONS: 11, DOMAIN_ALPHA_TIME[ms]: 83, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 988, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 43, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 46673, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46672, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 123, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 120, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 138, DAG_COMPRESSION_RETAINED_NODES: 72 - UnprovableResult [Line: 95]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 307#(and (= 0 main_~main____CPAchecker_TMP_0~1) (= (ite (= (mod (ite (and (not (= 0 (mod (mod main_~main__x~0 4294967296) 3))) (< (mod main_~main__x~0 4294967296) 0)) (+ (mod (mod main_~main__x~0 4294967296) 3) (- 3)) (mod (mod main_~main__x~0 4294967296) 3)) 4294967296) 0) 1 0) main_~__tmp_1~0) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= 0 (mod main_~main__y~0 4294967296))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...