/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_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:13:51,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:13:51,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:13:51,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:13:51,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:13:51,460 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:13:51,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:13:51,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:13:51,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:13:51,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:13:51,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:13:51,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:13:51,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:13:51,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:13:51,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:13:51,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:13:51,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:13:51,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:13:51,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:13:51,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:13:51,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:13:51,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:13:51,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:13:51,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:13:51,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:13:51,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:13:51,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:13:51,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:13:51,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:13:51,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:13:51,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:13:51,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:13:51,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:13:51,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:13:51,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:13:51,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:13:51,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:13:51,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:13:51,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:13:51,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:13:51,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:13:51,516 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 10:13:51,540 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:13:51,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:13:51,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:13:51,542 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:13:51,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:13:51,542 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:13:51,543 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:13:51,543 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:13:51,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:13:51,543 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:13:51,544 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:13:51,545 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:13:51,545 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:13:51,545 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:13:51,546 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:13:51,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:13:51,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:13:51,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:13:51,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:13:51,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:13:51,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:13:51,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:13:51,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:13:51,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:13:51,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:13:51,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:13:51,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:13:51,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:13:51,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:13:51,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:13:51,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:13:51,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:13:51,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:13:51,552 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:13:51,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:13:51,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:13:51,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:13:51,553 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:13:51,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:13:51,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:13:51,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:13:51,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:13:51,840 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:13:51,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2019-11-24 10:13:51,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcde3e5b9/df7094ce16a3420384ec97a79b289086/FLAGdeb574f0e [2019-11-24 10:13:52,444 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:13:52,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label15.c [2019-11-24 10:13:52,455 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcde3e5b9/df7094ce16a3420384ec97a79b289086/FLAGdeb574f0e [2019-11-24 10:13:52,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcde3e5b9/df7094ce16a3420384ec97a79b289086 [2019-11-24 10:13:52,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:13:52,740 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:13:52,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:52,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:13:52,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:13:52,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:52" (1/1) ... [2019-11-24 10:13:52,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da0f10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:52, skipping insertion in model container [2019-11-24 10:13:52,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:52" (1/1) ... [2019-11-24 10:13:52,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:13:52,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:13:53,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:53,315 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:13:53,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:53,487 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:13:53,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53 WrapperNode [2019-11-24 10:13:53,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:53,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:53,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:13:53,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:13:53,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:53,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:13:53,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:13:53,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:13:53,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (1/1) ... [2019-11-24 10:13:53,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:13:53,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:13:53,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:13:53,702 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:13:53,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:53" (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 10:13:53,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:13:53,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:13:55,664 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:13:55,665 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:13:55,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:55 BoogieIcfgContainer [2019-11-24 10:13:55,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:13:55,667 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:13:55,667 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:13:55,667 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:13:55,668 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:55" (1/1) ... [2019-11-24 10:13:55,669 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 10:13:55,695 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:13:55,695 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:13:55,704 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:13:55,714 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:13:55,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:14:08,251 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:14:08,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:14:08,615 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 50 [2019-11-24 10:14:12,369 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:14:13,519 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-11-24 10:14:13,626 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 153 [2019-11-24 10:14:13,735 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:14:13,848 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:14:13,952 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:14:14,056 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:14:14,167 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-11-24 10:14:14,273 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-11-24 10:14:14,507 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:14:14,614 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:14:14,723 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:14:14,835 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:14,948 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:15,057 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:15,185 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:15,300 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:15,415 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:15,554 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:15,682 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:15,803 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:15,941 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:16,070 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:16,209 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:16,337 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:16,462 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:16,591 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:16,746 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:16,878 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:17,009 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:17,144 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:17,288 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:17,422 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:17,579 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2019-11-24 10:14:17,721 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 165 [2019-11-24 10:14:17,866 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:18,008 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:14:18,151 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:14:18,290 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:18,436 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:18,577 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:18,715 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:18,862 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2019-11-24 10:14:19,021 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 165 [2019-11-24 10:14:19,167 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:19,322 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:19,471 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:19,616 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:19,765 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2019-11-24 10:14:19,921 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 166 [2019-11-24 10:14:20,073 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:20,230 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:20,384 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:20,537 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:20,539 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:14:20,549 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:14:24,797 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-11-24 10:14:24,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-11-24 10:14:25,157 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-11-24 10:14:30,533 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:14:30,635 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:14:30,848 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:30,958 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:31,063 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:14:31,179 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:31,287 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:31,395 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:31,513 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 161 [2019-11-24 10:14:31,631 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 161 [2019-11-24 10:14:31,746 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:31,874 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:31,992 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:32,112 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:14:32,237 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 162 [2019-11-24 10:14:32,363 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 162 [2019-11-24 10:14:32,488 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:32,638 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:32,761 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:32,884 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:14:33,014 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,143 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,272 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:14:33,425 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:33,559 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:33,692 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:33,836 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:14:33,976 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:14:34,117 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:34,267 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:34,409 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:14:34,552 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:34,691 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:34,828 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:34,966 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:35,118 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:14:35,263 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:14:35,408 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:35,562 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:14:35,720 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:14:35,876 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:36,040 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:36,202 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:36,362 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:36,528 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 174 [2019-11-24 10:14:36,694 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 174 [2019-11-24 10:14:36,857 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:36,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:14:36,869 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-24 10:14:40,799 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-11-24 10:14:40,944 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 51 [2019-11-24 10:14:41,101 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:14:41,114 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:14:41,115 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:14:41,117 INFO L168 Benchmark]: Toolchain (without parser) took 48375.94 ms. Allocated memory was 139.5 MB in the beginning and 1.1 GB in the end (delta: 969.9 MB). Free memory was 102.7 MB in the beginning and 795.5 MB in the end (delta: -692.8 MB). Peak memory consumption was 277.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:41,118 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 10:14:41,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.22 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 166.5 MB in the end (delta: -64.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:41,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.39 ms. Allocated memory is still 204.5 MB. Free memory was 166.5 MB in the beginning and 161.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:41,120 INFO L168 Benchmark]: Boogie Preprocessor took 83.31 ms. Allocated memory is still 204.5 MB. Free memory was 161.0 MB in the beginning and 156.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:41,121 INFO L168 Benchmark]: RCFGBuilder took 1965.18 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 156.2 MB in the beginning and 183.7 MB in the end (delta: -27.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:41,122 INFO L168 Benchmark]: Sifa took 45448.10 ms. Allocated memory was 247.5 MB in the beginning and 1.1 GB in the end (delta: 861.9 MB). Free memory was 183.7 MB in the beginning and 795.5 MB in the end (delta: -611.8 MB). Peak memory consumption was 250.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:41,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.22 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.5 MB in the beginning and 166.5 MB in the end (delta: -64.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 128.39 ms. Allocated memory is still 204.5 MB. Free memory was 166.5 MB in the beginning and 161.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.31 ms. Allocated memory is still 204.5 MB. Free memory was 161.0 MB in the beginning and 156.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1965.18 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 156.2 MB in the beginning and 183.7 MB in the end (delta: -27.5 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. * Sifa took 45448.10 ms. Allocated memory was 247.5 MB in the beginning and 1.1 GB in the end (delta: 861.9 MB). Free memory was 183.7 MB in the beginning and 795.5 MB in the end (delta: -611.8 MB). Peak memory consumption was 250.2 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]: 45407, 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]: 562, 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]: 425, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 30, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 37681, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6179, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 239, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 28, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 436, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 44134, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 44133, 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]: 4, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 124, DAG_COMPRESSION_PROCESSED_NODES: 2248, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 562]: 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 8220#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (= ~a25~0 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) (<= 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) (= ~a28~0 10) (<= 1 ~a21~0) (<= ~d~0 4) (<= |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...