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 InterpretCallSummarizer --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-efa34d5 [2019-09-19 06:59:46,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 06:59:46,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 06:59:46,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 06:59:46,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 06:59:46,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 06:59:46,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 06:59:46,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 06:59:46,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 06:59:46,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 06:59:46,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 06:59:46,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 06:59:46,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 06:59:46,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 06:59:46,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 06:59:46,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 06:59:46,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 06:59:46,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 06:59:46,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 06:59:46,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 06:59:46,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 06:59:46,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 06:59:46,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 06:59:46,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 06:59:46,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 06:59:46,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 06:59:46,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 06:59:46,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 06:59:46,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 06:59:46,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 06:59:46,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 06:59:46,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 06:59:46,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 06:59:46,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 06:59:46,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 06:59:46,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 06:59:46,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 06:59:46,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 06:59:46,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 06:59:46,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 06:59:46,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 06:59:46,984 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 06:59:46,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 06:59:46,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 06:59:47,000 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 06:59:47,000 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 06:59:47,000 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 06:59:47,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 06:59:47,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 06:59:47,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 06:59:47,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 06:59:47,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 06:59:47,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 06:59:47,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 06:59:47,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 06:59:47,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 06:59:47,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 06:59:47,002 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 06:59:47,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 06:59:47,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 06:59:47,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 06:59:47,003 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 06:59:47,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 06:59:47,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 06:59:47,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 06:59:47,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 06:59:47,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 06:59:47,004 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 06:59:47,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 06:59:47,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 06:59:47,005 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 -> InterpretCallSummarizer 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 [2019-09-19 06:59:47,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 06:59:47,048 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 06:59:47,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 06:59:47,055 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 06:59:47,056 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 06:59:47,056 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-19 06:59:47,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7d665b4/c8e8f8f7037449498de2797e91e75896/FLAGf3815d8f2 [2019-09-19 06:59:47,534 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 06:59:47,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-09-19 06:59:47,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7d665b4/c8e8f8f7037449498de2797e91e75896/FLAGf3815d8f2 [2019-09-19 06:59:47,930 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7d665b4/c8e8f8f7037449498de2797e91e75896 [2019-09-19 06:59:47,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 06:59:47,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 06:59:47,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 06:59:47,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 06:59:47,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 06:59:47,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:59:47" (1/1) ... [2019-09-19 06:59:47,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d428e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:47, skipping insertion in model container [2019-09-19 06:59:47,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 06:59:47" (1/1) ... [2019-09-19 06:59:47,957 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 06:59:47,985 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 06:59:48,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:59:48,180 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 06:59:48,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 06:59:48,312 INFO L192 MainTranslator]: Completed translation [2019-09-19 06:59:48,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48 WrapperNode [2019-09-19 06:59:48,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 06:59:48,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 06:59:48,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 06:59:48,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 06:59:48,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 06:59:48,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 06:59:48,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 06:59:48,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 06:59:48,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 06:59:48" (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 06:59:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 06:59:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 06:59:48,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 06:59:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 06:59:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 06:59:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 06:59:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 06:59:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 06:59:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 06:59:48,675 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 06:59:48,675 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 06:59:48,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:59:48 BoogieIcfgContainer [2019-09-19 06:59:48,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 06:59:48,677 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 06:59:48,677 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 06:59:48,677 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 06:59:48,678 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 06:59:48" (1/1) ... [2019-09-19 06:59:48,679 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 06:59:48,725 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 06:59:48,726 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 06:59:48,733 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 06:59:48,740 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 06:59:48,742 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 06:59:48,897 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 32 for LOIs [2019-09-19 06:59:49,379 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2019-09-19 06:59:49,539 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-19 06:59:50,097 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 3 [2019-09-19 06:59:50,279 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2019-09-19 06:59:51,531 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-19 06:59:51,821 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 06:59:54,320 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 06:59:54,552 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 06:59:54,743 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2019-09-19 06:59:56,975 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-19 07:00:03,474 WARN L191 SmtUtils]: Spent 6.50 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:04,311 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 07:00:04,753 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:05,270 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-19 07:00:07,919 WARN L191 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-19 07:00:09,369 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 07:00:13,533 WARN L191 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:13,742 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-19 07:00:14,237 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-19 07:00:14,351 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:15,211 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 07:00:15,325 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:15,738 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-19 07:00:18,944 WARN L191 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-19 07:00:19,171 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 07:00:21,979 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:22,187 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-19 07:00:24,362 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2019-09-19 07:00:28,893 WARN L191 SmtUtils]: Spent 4.53 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:29,043 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 38 [2019-09-19 07:00:32,074 WARN L191 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 38 [2019-09-19 07:00:32,118 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 07:00:32,119 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 07:00:32,122 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 306#(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))) [2019-09-19 07:00:32,136 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 07:00:32,136 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 07:00:32,138 INFO L168 Benchmark]: Toolchain (without parser) took 44196.56 ms. Allocated memory was 140.5 MB in the beginning and 293.6 MB in the end (delta: 153.1 MB). Free memory was 86.6 MB in the beginning and 134.0 MB in the end (delta: -47.5 MB). Peak memory consumption was 105.6 MB. Max. memory is 7.1 GB. [2019-09-19 07:00:32,139 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 07:00:32,140 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.98 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 179.2 MB in the end (delta: -92.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-19 07:00:32,141 INFO L168 Benchmark]: Boogie Preprocessor took 27.42 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 177.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-19 07:00:32,142 INFO L168 Benchmark]: RCFGBuilder took 335.73 ms. Allocated memory is still 200.8 MB. Free memory was 177.0 MB in the beginning and 160.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-19 07:00:32,143 INFO L168 Benchmark]: Sifa took 43459.13 ms. Allocated memory was 200.8 MB in the beginning and 293.6 MB in the end (delta: 92.8 MB). Free memory was 160.8 MB in the beginning and 134.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 119.6 MB. Max. memory is 7.1 GB. [2019-09-19 07:00:32,147 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 105.3 MB in the beginning and 105.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 370.98 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 86.3 MB in the beginning and 179.2 MB in the end (delta: -92.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.42 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 177.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 335.73 ms. Allocated memory is still 200.8 MB. Free memory was 177.0 MB in the beginning and 160.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Sifa took 43459.13 ms. Allocated memory was 200.8 MB in the beginning and 293.6 MB in the end (delta: 92.8 MB). Free memory was 160.8 MB in the beginning and 134.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 119.6 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]: 43397, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 112, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 99, TOOLS_POST_TIME[ms]: 173, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 36, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 102, TOOLS_QUANTIFIERELIM_TIME[ms]: 148, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 18, FLUID_QUERY_TIME[ms]: 10, FLUID_QUERIES: 121, FLUID_YES_ANSWERS: 11, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME[ms]: 41953, DOMAIN_ALPHA_APPLICATIONS: 11, DOMAIN_ALPHA_TIME[ms]: 78, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 998, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME[ms]: 19, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 43, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 42901, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 42900, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 84, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 137, DAG_COMPRESSION_RETAINED_NODES: 71 - 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 306#(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...