/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_label30.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:29,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:29,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:29,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:29,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:29,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:29,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:29,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:29,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:29,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:29,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:29,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:29,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:29,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:29,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:29,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:29,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:29,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:29,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:29,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:29,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:29,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:29,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:29,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:29,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:15:29,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:15:29,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:15:29,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:15:29,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:15:29,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:15:29,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:29,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:29,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:29,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:29,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:29,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:29,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:29,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:29,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:29,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:29,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:29,647 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 10:15:29,680 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:29,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:29,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:29,681 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:29,681 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:29,681 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:29,681 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:29,682 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:29,687 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:29,687 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:29,687 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:29,687 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:29,688 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:29,688 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:29,688 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:29,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:29,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:29,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:29,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:29,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:29,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:29,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:29,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:29,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:29,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:29,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:29,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:29,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:29,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:29,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:29,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:29,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:29,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:29,694 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:29,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:29,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:29,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:29,695 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:15:29,971 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:15:29,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:15:29,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:15:29,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:15:29,992 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:15:29,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2019-11-24 10:15:30,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a0d711f/8890149e200f447f9e78fb2526ccd015/FLAGeb378f2ae [2019-11-24 10:15:30,569 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:15:30,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label30.c [2019-11-24 10:15:30,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a0d711f/8890149e200f447f9e78fb2526ccd015/FLAGeb378f2ae [2019-11-24 10:15:30,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57a0d711f/8890149e200f447f9e78fb2526ccd015 [2019-11-24 10:15:30,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:15:30,871 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:15:30,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:30,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:15:30,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:15:30,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:30" (1/1) ... [2019-11-24 10:15:30,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f3f39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:30, skipping insertion in model container [2019-11-24 10:15:30,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:30" (1/1) ... [2019-11-24 10:15:30,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:15:30,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:15:31,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:31,487 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:15:31,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:31,633 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:15:31,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31 WrapperNode [2019-11-24 10:15:31,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:31,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:31,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:15:31,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:15:31,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:31,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:15:31,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:15:31,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:15:31,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (1/1) ... [2019-11-24 10:15:31,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:15:31,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:15:31,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:15:31,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:15:31,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:31" (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 10:15:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:15:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:15:34,016 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:15:34,017 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:15:34,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:34 BoogieIcfgContainer [2019-11-24 10:15:34,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:15:34,019 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:15:34,019 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:15:34,019 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:15:34,020 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:34" (1/1) ... [2019-11-24 10:15:34,021 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 10:15:34,043 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:15:34,043 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:15:34,051 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:15:34,059 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:15:34,060 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:15:45,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:15:46,003 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:15:46,267 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 48 [2019-11-24 10:15:51,336 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2019-11-24 10:15:51,441 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2019-11-24 10:15:51,545 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:15:51,972 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:15:52,076 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:15:52,295 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:52,400 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:52,527 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:15:52,640 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:52,751 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:52,862 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:15:52,987 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:53,105 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:53,222 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:53,360 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:53,485 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:53,607 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:53,742 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:53,869 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:53,996 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:54,124 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:54,252 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:54,380 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:15:54,543 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:54,675 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:54,808 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:54,948 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:55,085 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:55,222 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:55,380 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:15:55,527 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:15:55,671 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:55,816 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:15:55,963 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:15:56,106 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:56,260 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:56,401 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:56,550 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:56,701 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:15:56,851 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:15:56,998 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:57,157 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:15:57,309 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:15:57,456 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:57,631 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:15:57,786 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:15:57,939 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:15:58,098 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:58,256 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:58,416 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:58,418 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:15:58,428 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:16:02,670 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:16:02,874 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:16:03,101 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:16:07,432 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:16:07,915 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:16:08,525 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:16:08,634 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:16:08,924 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 161 [2019-11-24 10:16:09,131 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 161 [2019-11-24 10:16:09,304 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-11-24 10:16:09,504 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:09,613 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:09,720 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:09,860 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:16:09,984 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:16:10,103 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:10,231 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:10,348 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:10,466 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:10,593 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:16:10,718 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:16:10,842 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:10,977 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:11,100 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:11,222 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:11,351 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:11,479 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:11,609 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:11,750 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:11,882 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:12,015 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:12,159 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:16:12,297 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:16:12,434 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:12,582 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:16:12,723 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:16:12,860 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:12,998 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:13,134 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:13,272 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:13,421 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:16:13,564 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:16:13,706 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:16:13,858 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:16:14,010 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:16:14,158 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:14,326 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:14,480 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:14,632 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:14,794 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:16:14,965 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:16:15,126 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:15,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:16:15,139 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:16:18,958 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:16:19,157 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 49 [2019-11-24 10:16:19,367 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:16:19,381 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:16:19,382 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:16:19,384 INFO L168 Benchmark]: Toolchain (without parser) took 48512.75 ms. Allocated memory was 139.5 MB in the beginning and 1.0 GB in the end (delta: 889.2 MB). Free memory was 101.5 MB in the beginning and 556.1 MB in the end (delta: -454.6 MB). Peak memory consumption was 434.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:19,385 INFO L168 Benchmark]: CDTParser took 0.22 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 10:16:19,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.93 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 168.3 MB in the end (delta: -67.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:19,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.39 ms. Allocated memory is still 204.5 MB. Free memory was 167.7 MB in the beginning and 162.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:19,387 INFO L168 Benchmark]: Boogie Preprocessor took 63.75 ms. Allocated memory is still 204.5 MB. Free memory was 162.3 MB in the beginning and 157.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:19,388 INFO L168 Benchmark]: RCFGBuilder took 2229.49 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 157.7 MB in the beginning and 178.7 MB in the end (delta: -21.0 MB). Peak memory consumption was 107.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:19,389 INFO L168 Benchmark]: Sifa took 45363.40 ms. Allocated memory was 245.4 MB in the beginning and 1.0 GB in the end (delta: 783.3 MB). Free memory was 178.7 MB in the beginning and 556.1 MB in the end (delta: -377.4 MB). Peak memory consumption was 405.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:19,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.93 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 168.3 MB in the end (delta: -67.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 89.39 ms. Allocated memory is still 204.5 MB. Free memory was 167.7 MB in the beginning and 162.3 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.75 ms. Allocated memory is still 204.5 MB. Free memory was 162.3 MB in the beginning and 157.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2229.49 ms. Allocated memory was 204.5 MB in the beginning and 245.4 MB in the end (delta: 40.9 MB). Free memory was 157.7 MB in the beginning and 178.7 MB in the end (delta: -21.0 MB). Peak memory consumption was 107.4 MB. Max. memory is 7.1 GB. * Sifa took 45363.40 ms. Allocated memory was 245.4 MB in the beginning and 1.0 GB in the end (delta: 783.3 MB). Free memory was 178.7 MB in the beginning and 556.1 MB in the end (delta: -377.4 MB). Peak memory consumption was 405.9 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]: 45326, 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]: 530, 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]: 404, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 37430, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6388, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 254, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 43, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 439, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43998, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43997, 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]: 3, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 104, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 556]: 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 8215#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (not (= ~a11~0 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) (<= ~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...