/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_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:59,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:59,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:59,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:59,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:59,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:59,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:59,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:59,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:59,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:59,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:59,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:59,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:59,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:59,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:59,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:59,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:59,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:59,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:59,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:59,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:59,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:59,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:59,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:59,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:15:59,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:15:59,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:15:59,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:15:59,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:15:59,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:15:59,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:59,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:59,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:59,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:59,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:59,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:59,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:59,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:59,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:59,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:59,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:59,829 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 10:15:59,851 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:59,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:59,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:59,853 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:59,853 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:59,853 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:59,853 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:59,854 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:59,854 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:59,854 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:59,854 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:59,854 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:59,855 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:59,855 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:59,855 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:59,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:59,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:59,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:59,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:59,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:59,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:59,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:59,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:59,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:59,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:59,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:59,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:59,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:59,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:59,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:59,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:59,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:59,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:59,859 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:59,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:59,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:59,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:59,860 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:16:00,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:16:00,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:16:00,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:16:00,156 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:16:00,156 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:16:00,157 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-11-24 10:16:00,232 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddb2f2a9/0699d99f231944c58cbacff5abeba66a/FLAG178759222 [2019-11-24 10:16:00,780 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:16:00,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label35.c [2019-11-24 10:16:00,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddb2f2a9/0699d99f231944c58cbacff5abeba66a/FLAG178759222 [2019-11-24 10:16:01,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eddb2f2a9/0699d99f231944c58cbacff5abeba66a [2019-11-24 10:16:01,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:16:01,082 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:16:01,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:16:01,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:16:01,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:16:01,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adc1a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01, skipping insertion in model container [2019-11-24 10:16:01,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:16:01,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:16:01,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:16:01,663 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:16:01,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:16:01,794 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:16:01,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01 WrapperNode [2019-11-24 10:16:01,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:16:01,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:16:01,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:16:01,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:16:01,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:16:01,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:16:01,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:16:01,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:16:01,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (1/1) ... [2019-11-24 10:16:01,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:16:01,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:16:01,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:16:01,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:16:01,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:01" (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 10:16:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:16:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:16:04,000 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:16:04,001 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:16:04,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:04 BoogieIcfgContainer [2019-11-24 10:16:04,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:16:04,003 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:16:04,003 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:16:04,003 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:16:04,004 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:04" (1/1) ... [2019-11-24 10:16:04,005 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 10:16:04,028 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:16:04,028 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:16:04,035 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:16:04,043 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:16:04,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:16:15,247 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-24 10:16:15,272 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-24 10:16:15,308 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2019-11-24 10:16:19,336 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:19,931 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:16:20,040 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:16:20,152 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:20,274 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:20,378 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:20,481 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:16:20,591 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:16:20,703 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:16:20,812 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:20,931 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:21,040 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:21,149 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:21,283 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:16:21,396 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:16:21,505 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:21,642 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:21,754 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:21,867 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:21,988 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:22,112 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:22,230 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:22,363 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:22,498 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:22,622 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:22,761 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:22,889 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:23,017 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:23,158 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:23,296 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:23,432 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:23,567 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:23,699 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:23,832 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:23,979 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:24,117 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:24,256 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:24,402 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:24,546 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:24,689 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:24,851 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 176 [2019-11-24 10:16:25,003 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 176 [2019-11-24 10:16:25,156 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:25,309 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-11-24 10:16:25,467 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-11-24 10:16:25,617 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:25,774 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:25,922 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:26,069 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:26,228 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-11-24 10:16:26,385 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-11-24 10:16:26,542 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:26,708 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:16:26,869 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:16:27,023 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:27,184 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:16:27,345 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:16:27,512 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:27,678 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:16:27,842 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:16:28,006 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:16:28,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:16:28,030 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:16:32,437 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:16:32,480 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:16:32,539 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:16:36,482 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:36,660 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:16:37,443 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:37,545 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:37,647 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:37,751 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:37,854 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:37,956 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:16:38,076 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:38,184 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:38,292 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:38,402 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:38,509 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:38,617 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:38,736 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:16:38,847 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:16:38,955 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:16:39,148 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 171 [2019-11-24 10:16:39,316 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 171 [2019-11-24 10:16:39,430 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:16:39,559 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:39,704 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:39,823 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:39,953 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2019-11-24 10:16:40,082 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2019-11-24 10:16:40,209 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:40,349 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:40,480 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:40,618 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:40,755 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2019-11-24 10:16:40,892 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2019-11-24 10:16:41,029 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:41,273 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:41,446 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:41,581 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:41,730 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:41,871 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:42,012 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:42,167 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:42,315 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:42,462 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:42,617 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:16:42,770 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:16:42,924 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:43,089 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:16:43,245 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:16:43,398 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:43,552 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:43,703 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:43,852 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:44,022 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:16:44,181 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:16:44,337 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:16:44,505 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:16:44,675 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:16:44,838 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:16:45,016 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:16:45,188 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:16:45,357 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:16:45,537 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 185 [2019-11-24 10:16:45,728 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 185 [2019-11-24 10:16:45,905 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-24 10:16:45,907 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:16:45,923 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:16:50,197 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:16:50,226 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:16:50,263 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:16:50,276 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:16:50,276 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:16:50,278 INFO L168 Benchmark]: Toolchain (without parser) took 49196.65 ms. Allocated memory was 144.7 MB in the beginning and 1.0 GB in the end (delta: 895.0 MB). Free memory was 100.9 MB in the beginning and 818.8 MB in the end (delta: -717.9 MB). Peak memory consumption was 177.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:50,279 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 10:16:50,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.37 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 100.7 MB in the beginning and 170.3 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:50,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.50 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 164.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:50,281 INFO L168 Benchmark]: Boogie Preprocessor took 98.37 ms. Allocated memory is still 203.9 MB. Free memory was 164.7 MB in the beginning and 160.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:50,282 INFO L168 Benchmark]: RCFGBuilder took 2020.58 ms. Allocated memory was 203.9 MB in the beginning and 250.6 MB in the end (delta: 46.7 MB). Free memory was 160.5 MB in the beginning and 194.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:50,283 INFO L168 Benchmark]: Sifa took 46273.58 ms. Allocated memory was 250.6 MB in the beginning and 1.0 GB in the end (delta: 789.1 MB). Free memory was 194.5 MB in the beginning and 818.8 MB in the end (delta: -624.3 MB). Peak memory consumption was 164.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:50,287 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 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.37 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 100.7 MB in the beginning and 170.3 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.50 ms. Allocated memory is still 203.9 MB. Free memory was 170.3 MB in the beginning and 164.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.37 ms. Allocated memory is still 203.9 MB. Free memory was 164.7 MB in the beginning and 160.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2020.58 ms. Allocated memory was 203.9 MB in the beginning and 250.6 MB in the end (delta: 46.7 MB). Free memory was 160.5 MB in the beginning and 194.5 MB in the end (delta: -34.1 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. * Sifa took 46273.58 ms. Allocated memory was 250.6 MB in the beginning and 1.0 GB in the end (delta: 789.1 MB). Free memory was 194.5 MB in the beginning and 818.8 MB in the end (delta: -624.3 MB). Peak memory consumption was 164.8 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]: 46236, 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]: 593, 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]: 465, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 24, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 39853, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 4789, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 234, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 45, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 478, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 45277, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45276, 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]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 108, DAG_COMPRESSION_PROCESSED_NODES: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 454]: 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 8224#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a25~0 1) (not (= ~a11~0 1)) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (not (= ~a19~0 1)) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= 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) (= ~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...