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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:35:02,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:35:02,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:35:02,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:35:02,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:35:02,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:35:02,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:35:02,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:35:02,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:35:02,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:35:02,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:35:02,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:35:02,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:35:02,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:35:02,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:35:02,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:35:02,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:35:02,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:35:02,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:35:02,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:35:02,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:35:02,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:35:02,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:35:02,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:35:02,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:35:02,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:35:02,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:35:02,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:35:02,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:35:02,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:35:02,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:35:02,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:35:02,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:35:02,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:35:02,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:35:02,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:35:02,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:35:02,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:35:02,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:35:02,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:35:02,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:35:02,645 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 [2019-09-17 09:35:02,661 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:35:02,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:35:02,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:35:02,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:35:02,663 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:35:02,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:35:02,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:35:02,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:35:02,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:35:02,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:35:02,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:35:02,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:35:02,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:35:02,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:35:02,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:35:02,666 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:35:02,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:35:02,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:35:02,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:35:02,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:35:02,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:35:02,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:35:02,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:35:02,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:35:02,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:35:02,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:35:02,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:35:02,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:35:02,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 -> 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 [2019-09-17 09:35:02,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:35:02,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:35:02,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:35:02,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:35:02,755 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:35:02,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-17 09:35:02,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30752cd57/75395438da65476fb304a00aebe110bf/FLAGc23b84b55 [2019-09-17 09:35:03,268 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:35:03,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-09-17 09:35:03,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30752cd57/75395438da65476fb304a00aebe110bf/FLAGc23b84b55 [2019-09-17 09:35:03,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30752cd57/75395438da65476fb304a00aebe110bf [2019-09-17 09:35:03,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:35:03,637 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:35:03,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:35:03,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:35:03,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:35:03,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:03,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b8fb488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03, skipping insertion in model container [2019-09-17 09:35:03,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:03,653 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:35:03,676 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:35:03,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:35:03,879 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:35:03,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:35:03,961 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:35:03,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03 WrapperNode [2019-09-17 09:35:03,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:35:03,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:35:03,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:35:03,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:35:04,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:04,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:04,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:04,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:04,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:04,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:04,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (1/1) ... [2019-09-17 09:35:04,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:35:04,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:35:04,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:35:04,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:35:04,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:35:03" (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 [2019-09-17 09:35:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:35:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:35:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:35:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:35:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 09:35:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 09:35:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:35:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:35:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:35:04,493 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:35:04,493 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 09:35:04,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:35:04 BoogieIcfgContainer [2019-09-17 09:35:04,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:35:04,495 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:35:04,495 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:35:04,495 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:35:04,496 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:35:04" (1/1) ... [2019-09-17 09:35:04,497 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 [2019-09-17 09:35:04,519 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:35:04,519 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:35:04,525 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:35:04,534 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:35:04,535 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:35:04,720 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2019-09-17 09:35:04,735 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 45 for LOIs [2019-09-17 09:35:04,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 09:35:05,205 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 09:35:05,405 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 09:35:05,579 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-17 09:35:05,724 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-17 09:35:05,843 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-09-17 09:35:05,971 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-17 09:35:06,133 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 09:35:06,268 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 09:35:06,390 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 09:35:06,534 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 09:35:06,670 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-17 09:35:06,820 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-17 09:35:06,954 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-17 09:35:07,278 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-17 09:35:07,584 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-17 09:35:07,729 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-17 09:35:07,859 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-17 09:35:07,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 09:35:08,520 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-17 09:35:08,838 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-17 09:35:08,976 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-17 09:35:09,088 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-17 09:35:09,195 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-17 09:35:09,440 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-17 09:35:09,664 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-09-17 09:35:09,836 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-17 09:35:11,044 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:35:11,044 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:35:11,047 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 241#(and (<= main_~main____CPAchecker_TMP_0~1 0) (<= 0 ~__return_121~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= |old(~__return_121~0)| 0) (<= 0 ~__return_main~0) (<= |old(~__tmp_91_1~0)| 0) (<= 0 |old(~__tmp_112_0~0)|) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= main_~main__y~0 0) (<= |old(~__tmp_88_0~0)| 0) (<= |old(~__tmp_88_1~0)| 0) (<= |old(~__tmp_94_0~0)| 0) (<= |old(~__tmp_93_0~0)| 0) (<= 0 |old(~__tmp_91_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |old(~__tmp_88_1~0)|) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__tmp_88_0~0)|) (<= 0 |old(~__tmp_93_0~0)|) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 0 |old(~__tmp_91_1~0)|) (<= 0 |old(~__tmp_94_0~0)|) (<= ~__tmp_94_0~0 2147483647) (<= |old(~__tmp_112_0~0)| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |old(~__return_121~0)|) (<= ~__return_121~0 0) (<= 0 main_~main__y~0) (<= 0 ~__tmp_91_1~0) (<= main_~__tmp_1~0 1) (<= |old(~__tmp_91_0~0)| 0) (<= ~__tmp_91_1~0 0) (<= 0 (+ ~__tmp_94_0~0 2147483648))) [2019-09-17 09:35:11,061 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:35:11,061 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:35:11,064 INFO L168 Benchmark]: Toolchain (without parser) took 7426.69 ms. Allocated memory was 137.9 MB in the beginning and 374.9 MB in the end (delta: 237.0 MB). Free memory was 85.9 MB in the beginning and 106.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 216.5 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:11,065 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:35:11,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.92 ms. Allocated memory is still 137.9 MB. Free memory was 85.7 MB in the beginning and 74.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:11,073 INFO L168 Benchmark]: Boogie Preprocessor took 131.99 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 74.5 MB in the beginning and 174.5 MB in the end (delta: -100.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:11,075 INFO L168 Benchmark]: RCFGBuilder took 399.36 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 157.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:11,077 INFO L168 Benchmark]: Sifa took 6566.59 ms. Allocated memory was 197.7 MB in the beginning and 374.9 MB in the end (delta: 177.2 MB). Free memory was 157.7 MB in the beginning and 106.4 MB in the end (delta: 51.3 MB). Peak memory consumption was 228.5 MB. Max. memory is 7.1 GB. [2019-09-17 09:35:11,089 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 324.92 ms. Allocated memory is still 137.9 MB. Free memory was 85.7 MB in the beginning and 74.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.99 ms. Allocated memory was 137.9 MB in the beginning and 197.7 MB in the end (delta: 59.8 MB). Free memory was 74.5 MB in the beginning and 174.5 MB in the end (delta: -100.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 399.36 ms. Allocated memory is still 197.7 MB. Free memory was 174.5 MB in the beginning and 157.7 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Sifa took 6566.59 ms. Allocated memory was 197.7 MB in the beginning and 374.9 MB in the end (delta: 177.2 MB). Free memory was 157.7 MB in the beginning and 106.4 MB in the end (delta: 51.3 MB). Peak memory consumption was 228.5 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]: 6528, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 193, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 178, TOOLS_POST_TIME[ms]: 251, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 32, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 181, TOOLS_QUANTIFIERELIM_TIME[ms]: 205, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 216, FLUID_YES_ANSWERS: 7, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME[ms]: 4978, DOMAIN_ALPHA_APPLICATIONS: 7, DOMAIN_ALPHA_TIME[ms]: 1038, DOMAIN_WIDEN_APPLICATIONS: 10, DOMAIN_WIDEN_TIME[ms]: 28, DOMAIN_ISSUBSETEQ_APPLICATIONS: 23, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME[ms]: 35, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 13, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5843, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5842, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 23, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 134, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 133, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 39, DAG_COMPRESSION_PROCESSED_NODES: 268, DAG_COMPRESSION_RETAINED_NODES: 111 - UnprovableResult [Line: 97]: 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 241#(and (<= main_~main____CPAchecker_TMP_0~1 0) (<= 0 ~__return_121~0) (<= 0 (+ main_~main____CPAchecker_TMP_0~0 2147483648)) (<= |old(~__return_121~0)| 0) (<= 0 ~__return_main~0) (<= |old(~__tmp_91_1~0)| 0) (<= 0 |old(~__tmp_112_0~0)|) (<= ~__return_main~0 0) (<= 0 main_~main____CPAchecker_TMP_0~1) (<= main_~main__y~0 0) (<= |old(~__tmp_88_0~0)| 0) (<= |old(~__tmp_88_1~0)| 0) (<= |old(~__tmp_94_0~0)| 0) (<= |old(~__tmp_93_0~0)| 0) (<= 0 |old(~__tmp_91_0~0)|) (<= 0 main_~__VERIFIER_assert__cond~0) (<= 0 |old(~__tmp_88_1~0)|) (<= 0 main_~__tmp_1~0) (<= 0 |old(~__tmp_88_0~0)|) (<= 0 |old(~__tmp_93_0~0)|) (<= main_~main____CPAchecker_TMP_0~0 2147483647) (<= 0 |old(~__tmp_91_1~0)|) (<= 0 |old(~__tmp_94_0~0)|) (<= ~__tmp_94_0~0 2147483647) (<= |old(~__tmp_112_0~0)| 0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 |old(~__return_121~0)|) (<= ~__return_121~0 0) (<= 0 main_~main__y~0) (<= 0 ~__tmp_91_1~0) (<= main_~__tmp_1~0 1) (<= |old(~__tmp_91_0~0)| 0) (<= ~__tmp_91_1~0 0) (<= 0 (+ ~__tmp_94_0~0 2147483648))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...