/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:13:12,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:13:12,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:13:12,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:13:12,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:13:12,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:13:12,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:13:12,332 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:13:12,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:13:12,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:13:12,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:13:12,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:13:12,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:13:12,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:13:12,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:13:12,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:13:12,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:13:12,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:13:12,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:13:12,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:13:12,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:13:12,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:13:12,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:13:12,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:13:12,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:13:12,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:13:12,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:13:12,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:13:12,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:13:12,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:13:12,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:13:12,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:13:12,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:13:12,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:13:12,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:13:12,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:13:12,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:13:12,401 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:13:12,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:13:12,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:13:12,403 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:13:12,403 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:13:12,403 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:13:12,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:13:12,404 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:13:12,404 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:13:12,404 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:13:12,405 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:13:12,405 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:13:12,406 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:13:12,406 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:13:12,406 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:13:12,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:13:12,408 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:13:12,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:13:12,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:13:12,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:13:12,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:13:12,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:13:12,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:13:12,409 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:13:12,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:13:12,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:13:12,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:13:12,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:13:12,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:13:12,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:13:12,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:13:12,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:13:12,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:13:12,412 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:13:12,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:13:12,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:13:12,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:13:12,413 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:13:12,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:13:12,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:13:12,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:13:12,721 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:13:12,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:13:12,723 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2019-11-24 10:13:12,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef3a4087/ca4795f75ba949edb1add1f8eb251e55/FLAGd0c476cdd [2019-11-24 10:13:13,385 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:13:13,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label10.c [2019-11-24 10:13:13,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef3a4087/ca4795f75ba949edb1add1f8eb251e55/FLAGd0c476cdd [2019-11-24 10:13:13,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef3a4087/ca4795f75ba949edb1add1f8eb251e55 [2019-11-24 10:13:13,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:13:13,621 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:13:13,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:13,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:13:13,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:13:13,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:13" (1/1) ... [2019-11-24 10:13:13,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36627778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:13, skipping insertion in model container [2019-11-24 10:13:13,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:13" (1/1) ... [2019-11-24 10:13:13,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:13:13,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:13:14,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:14,081 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:13:14,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:14,321 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:13:14,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14 WrapperNode [2019-11-24 10:13:14,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:14,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:14,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:13:14,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:13:14,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:14,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:13:14,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:13:14,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:13:14,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (1/1) ... [2019-11-24 10:13:14,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:13:14,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:13:14,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:13:14,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:13:14,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:14" (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 [2019-11-24 10:13:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:13:14,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:13:16,717 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:13:16,718 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:13:16,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:16 BoogieIcfgContainer [2019-11-24 10:13:16,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:13:16,720 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:13:16,720 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:13:16,720 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:13:16,721 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:16" (1/1) ... [2019-11-24 10:13:16,722 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:13:16,752 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:13:16,752 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:13:16,763 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:13:16,773 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:13:16,774 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:13:17,214 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-24 10:13:28,643 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-11-24 10:13:28,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-11-24 10:13:29,035 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 55 [2019-11-24 10:13:33,119 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 148 [2019-11-24 10:13:34,498 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:34,610 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:34,811 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:34,925 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:35,031 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:35,145 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:35,265 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:35,380 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:35,492 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:35,621 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:35,736 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:35,852 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:35,980 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:36,100 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:36,227 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:36,349 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:36,469 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:36,601 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:36,738 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:36,864 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:36,992 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:37,126 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:37,258 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:37,389 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:37,539 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-11-24 10:13:37,680 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-11-24 10:13:37,816 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:37,974 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 160 [2019-11-24 10:13:38,114 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 160 [2019-11-24 10:13:38,249 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:38,405 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:38,540 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:38,678 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:38,831 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 161 [2019-11-24 10:13:38,976 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 161 [2019-11-24 10:13:39,116 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:39,266 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:13:39,411 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:13:39,550 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:39,697 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2019-11-24 10:13:39,846 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2019-11-24 10:13:39,991 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:40,142 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:40,294 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:40,444 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:40,446 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:13:40,454 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:13:44,621 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:13:44,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:13:44,984 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:13:50,056 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 [2019-11-24 10:13:50,469 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:50,571 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:50,682 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:50,786 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:50,890 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:51,008 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2019-11-24 10:13:51,122 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2019-11-24 10:13:51,236 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:51,365 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:51,479 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:51,602 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:51,723 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2019-11-24 10:13:51,843 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2019-11-24 10:13:51,969 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:52,096 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:52,215 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:52,333 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:52,465 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:52,589 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:52,713 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:52,851 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:52,980 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:53,109 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:13:53,244 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2019-11-24 10:13:53,379 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2019-11-24 10:13:53,515 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:53,662 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:13:53,800 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:13:53,934 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:54,069 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:54,202 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:54,337 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:13:54,493 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 162 [2019-11-24 10:13:54,633 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 162 [2019-11-24 10:13:54,782 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:13:54,931 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-11-24 10:13:55,079 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-11-24 10:13:55,224 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:55,397 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:55,548 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:55,698 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:55,860 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 170 [2019-11-24 10:13:56,023 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 170 [2019-11-24 10:13:56,181 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:13:56,183 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:13:56,191 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-24 10:13:59,019 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-11-24 10:13:59,180 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-11-24 10:13:59,342 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-11-24 10:13:59,898 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2019-11-24 10:14:00,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:14:00,602 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 56 [2019-11-24 10:14:00,765 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:14:00,778 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:14:00,779 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:14:00,780 INFO L168 Benchmark]: Toolchain (without parser) took 47158.95 ms. Allocated memory was 144.2 MB in the beginning and 1.1 GB in the end (delta: 922.2 MB). Free memory was 100.8 MB in the beginning and 265.2 MB in the end (delta: -164.4 MB). Peak memory consumption was 757.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:00,781 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 10:14:00,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.60 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.6 MB in the beginning and 170.3 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:00,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.61 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 164.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:00,784 INFO L168 Benchmark]: Boogie Preprocessor took 115.49 ms. Allocated memory is still 203.4 MB. Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:00,785 INFO L168 Benchmark]: RCFGBuilder took 2128.23 ms. Allocated memory was 203.4 MB in the beginning and 251.7 MB in the end (delta: 48.2 MB). Free memory was 160.0 MB in the beginning and 195.1 MB in the end (delta: -35.1 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:00,785 INFO L168 Benchmark]: Sifa took 44058.99 ms. Allocated memory was 251.7 MB in the beginning and 1.1 GB in the end (delta: 814.7 MB). Free memory was 195.1 MB in the beginning and 265.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 744.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:00,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 699.60 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.6 MB in the beginning and 170.3 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 152.61 ms. Allocated memory is still 203.4 MB. Free memory was 170.3 MB in the beginning and 164.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.49 ms. Allocated memory is still 203.4 MB. Free memory was 164.4 MB in the beginning and 160.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2128.23 ms. Allocated memory was 203.4 MB in the beginning and 251.7 MB in the end (delta: 48.2 MB). Free memory was 160.0 MB in the beginning and 195.1 MB in the end (delta: -35.1 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. * Sifa took 44058.99 ms. Allocated memory was 251.7 MB in the beginning and 1.1 GB in the end (delta: 814.7 MB). Free memory was 195.1 MB in the beginning and 265.2 MB in the end (delta: -70.1 MB). Peak memory consumption was 744.6 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]: 44014, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 232, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 675, TOOLS_POST_TIME[ms]: 548, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 674, TOOLS_QUANTIFIERELIM_TIME[ms]: 416, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 26, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 36505, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 5966, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 232, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 439, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 42738, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 42737, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 139, DAG_COMPRESSION_PROCESSED_NODES: 2275, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 577]: 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 8153#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (not (= ~a19~0 1)) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (= ~a28~0 7) (<= ULTIMATE.start_calculate_output_~input 6) (= ~a11~0 1) (<= ~a17~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 0 (+ ULTIMATE.start_main_~output~0 2)) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 |ULTIMATE.start_calculate_output_#in~input|) (<= 1 ULTIMATE.start_calculate_output_~input) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= |ULTIMATE.start_calculate_output_#in~input| 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 0 ~a19~0) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= ULTIMATE.start_main_~output~0 26) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ULTIMATE.start_main_~input~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...