/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_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:18:45,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:18:45,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:18:45,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:18:45,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:18:45,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:18:45,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:18:45,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:18:45,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:18:45,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:18:45,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:18:45,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:18:45,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:18:45,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:18:45,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:18:45,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:18:45,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:18:45,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:18:45,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:18:45,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:18:45,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:18:45,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:18:45,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:18:45,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:18:45,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:18:45,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:18:45,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:18:45,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:18:45,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:18:45,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:18:45,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:18:45,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:18:45,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:18:45,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:18:45,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:18:45,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:18:45,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:18:45,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:18:45,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:18:45,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:18:45,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:18:45,577 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 10:18:45,597 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:18:45,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:18:45,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:18:45,599 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:18:45,599 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:18:45,599 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:18:45,599 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:18:45,599 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:18:45,599 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:18:45,600 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:18:45,604 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:18:45,604 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:18:45,604 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:18:45,604 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:18:45,604 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:18:45,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:18:45,605 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:18:45,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:18:45,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:18:45,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:18:45,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:18:45,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:18:45,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:18:45,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:18:45,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:18:45,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:18:45,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:18:45,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:18:45,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:18:45,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:18:45,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:18:45,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:18:45,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:18:45,608 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:18:45,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:18:45,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:18:45,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:18:45,609 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:18:45,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:18:45,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:18:45,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:18:45,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:18:45,915 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:18:45,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label59.c [2019-11-24 10:18:45,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a3e019b/1688f83e5d7d43f184ec437c479802c1/FLAG809389ce5 [2019-11-24 10:18:46,526 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:18:46,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label59.c [2019-11-24 10:18:46,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a3e019b/1688f83e5d7d43f184ec437c479802c1/FLAG809389ce5 [2019-11-24 10:18:46,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a3e019b/1688f83e5d7d43f184ec437c479802c1 [2019-11-24 10:18:46,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:18:46,821 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:18:46,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:18:46,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:18:46,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:18:46,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:46" (1/1) ... [2019-11-24 10:18:46,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6008a3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:46, skipping insertion in model container [2019-11-24 10:18:46,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:46" (1/1) ... [2019-11-24 10:18:46,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:18:46,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:18:47,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:18:47,426 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:18:47,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:18:47,573 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:18:47,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47 WrapperNode [2019-11-24 10:18:47,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:18:47,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:18:47,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:18:47,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:18:47,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:18:47,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:18:47,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:18:47,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:18:47,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (1/1) ... [2019-11-24 10:18:47,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:18:47,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:18:47,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:18:47,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:18:47,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:47" (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 10:18:47,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:18:47,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:18:49,955 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:18:49,955 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:18:49,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:49 BoogieIcfgContainer [2019-11-24 10:18:49,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:18:49,957 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:18:49,957 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:18:49,957 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:18:49,959 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:49" (1/1) ... [2019-11-24 10:18:49,959 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 10:18:49,984 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:18:49,984 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:18:49,996 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:18:50,006 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:18:50,008 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:18:54,394 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:19:01,668 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-11-24 10:19:08,329 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 157 [2019-11-24 10:19:08,433 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 157 [2019-11-24 10:19:08,535 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:19:08,647 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:19:08,752 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:19:08,969 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2019-11-24 10:19:09,090 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2019-11-24 10:19:09,193 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:19:09,310 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:19:09,416 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:19:09,522 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:19:09,634 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:19:09,744 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:19:09,855 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:19:09,990 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:19:10,114 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:19:10,232 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:19:10,368 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:19:10,489 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:19:10,613 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:19:10,745 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:10,881 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:11,017 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:11,145 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:11,271 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:11,396 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:11,536 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:19:11,667 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:19:11,801 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:19:11,938 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:19:12,074 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:19:12,210 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:19:12,363 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:19:12,506 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:19:12,646 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:12,795 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:19:12,939 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:19:13,083 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:13,233 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:13,373 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:13,513 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:13,665 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 169 [2019-11-24 10:19:13,814 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 169 [2019-11-24 10:19:13,962 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:19:14,126 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2019-11-24 10:19:14,279 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2019-11-24 10:19:14,425 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:19:14,577 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:19:14,734 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:19:14,886 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:19:15,043 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:19:15,200 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:19:15,356 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:19:15,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-11-24 10:19:15,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-11-24 10:19:22,421 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:19:22,532 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:19:23,408 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:19:23,620 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:19:23,799 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:19:25,233 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:19:25,338 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:19:25,443 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:19:25,655 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:19:25,759 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:19:25,860 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:19:26,040 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2019-11-24 10:19:26,214 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2019-11-24 10:19:26,331 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 162 [2019-11-24 10:19:26,452 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:19:26,590 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:19:26,716 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:19:26,836 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 165 [2019-11-24 10:19:26,958 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 165 [2019-11-24 10:19:27,077 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:19:27,206 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:27,327 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:27,447 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:19:27,577 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2019-11-24 10:19:27,710 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2019-11-24 10:19:27,837 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:19:27,970 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:19:28,096 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:19:28,221 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:19:28,353 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:19:28,483 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:19:28,617 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:19:28,762 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:28,899 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:29,035 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:19:29,179 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:19:29,322 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 170 [2019-11-24 10:19:29,466 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:19:29,624 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2019-11-24 10:19:29,775 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2019-11-24 10:19:29,918 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:19:30,062 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:19:30,205 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:19:30,345 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:19:30,506 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-24 10:19:30,652 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 170 [2019-11-24 10:19:30,805 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:19:30,961 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:19:31,117 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:19:31,270 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:19:31,450 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:19:31,607 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:19:31,764 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:19:31,937 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 178 [2019-11-24 10:19:32,106 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 178 [2019-11-24 10:19:32,271 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:19:32,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-11-24 10:19:32,282 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 13 [2019-11-24 10:19:36,228 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:19:36,240 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:19:36,240 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:19:36,242 INFO L168 Benchmark]: Toolchain (without parser) took 49421.24 ms. Allocated memory was 146.8 MB in the beginning and 984.1 MB in the end (delta: 837.3 MB). Free memory was 102.9 MB in the beginning and 741.7 MB in the end (delta: -638.8 MB). Peak memory consumption was 198.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:19:36,243 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 10:19:36,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 752.13 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 102.6 MB in the beginning and 170.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:19:36,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.87 ms. Allocated memory is still 206.0 MB. Free memory was 170.9 MB in the beginning and 164.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:19:36,246 INFO L168 Benchmark]: Boogie Preprocessor took 63.67 ms. Allocated memory is still 206.0 MB. Free memory was 164.9 MB in the beginning and 160.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:19:36,246 INFO L168 Benchmark]: RCFGBuilder took 2218.69 ms. Allocated memory was 206.0 MB in the beginning and 250.1 MB in the end (delta: 44.0 MB). Free memory was 160.2 MB in the beginning and 184.2 MB in the end (delta: -24.1 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:19:36,247 INFO L168 Benchmark]: Sifa took 46283.46 ms. Allocated memory was 250.1 MB in the beginning and 984.1 MB in the end (delta: 734.0 MB). Free memory was 184.2 MB in the beginning and 741.7 MB in the end (delta: -557.4 MB). Peak memory consumption was 176.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:19:36,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 752.13 ms. Allocated memory was 146.8 MB in the beginning and 206.0 MB in the end (delta: 59.2 MB). Free memory was 102.6 MB in the beginning and 170.9 MB in the end (delta: -68.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 98.87 ms. Allocated memory is still 206.0 MB. Free memory was 170.9 MB in the beginning and 164.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.67 ms. Allocated memory is still 206.0 MB. Free memory was 164.9 MB in the beginning and 160.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2218.69 ms. Allocated memory was 206.0 MB in the beginning and 250.1 MB in the end (delta: 44.0 MB). Free memory was 160.2 MB in the beginning and 184.2 MB in the end (delta: -24.1 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. * Sifa took 46283.46 ms. Allocated memory was 250.1 MB in the beginning and 984.1 MB in the end (delta: 734.0 MB). Free memory was 184.2 MB in the beginning and 741.7 MB in the end (delta: -557.4 MB). Peak memory consumption was 176.6 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]: 46245, 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]: 592, 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]: 455, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 30, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 39718, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 4843, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 284, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 30, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 480, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 45286, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45286, 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]: 10, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 138, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 421]: 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 8169#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (= ~a25~0 1) (not (= ~a11~0 1)) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (= ~a28~0 7) (<= ULTIMATE.start_calculate_output_~input 6) (<= ~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) (<= |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) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (= ~a17~0 8) (<= 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...