/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/ldv-regression/test_while_int.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:03:39,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:03:39,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:03:39,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:03:39,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:03:39,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:03:39,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:03:39,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:03:39,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:03:39,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:03:39,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:03:39,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-24 16:03:39,865 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 16:03:39,888 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:03:39,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:03:39,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:03:39,890 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:03:39,890 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:03:39,891 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:03:39,891 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:03:39,891 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:03:39,891 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:03:39,891 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:03:39,892 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:03:39,893 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:03:39,893 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:03:39,893 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:03:39,894 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:03:39,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:03:39,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:03:39,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:03:39,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:03:39,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:03:39,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:03:39,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:03:39,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:03:39,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:03:39,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:03:39,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:03:39,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:03:39,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:03:39,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:03:39,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:03:39,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:03:39,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:03:39,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:03:39,900 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:03:39,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:03:39,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:03:39,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:03:39,901 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:03:40,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:03:40,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:03:40,228 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:03:40,230 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:03:40,230 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:03:40,231 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2019-11-24 16:03:40,288 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c663e0cb/b8b5465003d14abb815a50fd87103566/FLAG8d076d7a0 [2019-11-24 16:03:40,721 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:03:40,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_while_int.c_1.i [2019-11-24 16:03:40,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c663e0cb/b8b5465003d14abb815a50fd87103566/FLAG8d076d7a0 [2019-11-24 16:03:41,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c663e0cb/b8b5465003d14abb815a50fd87103566 [2019-11-24 16:03:41,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:03:41,127 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:03:41,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:41,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:03:41,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:03:41,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d2c937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41, skipping insertion in model container [2019-11-24 16:03:41,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:03:41,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:03:41,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:41,324 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:03:41,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:03:41,351 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:03:41,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41 WrapperNode [2019-11-24 16:03:41,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:03:41,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:41,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:03:41,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:03:41,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:03:41,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:03:41,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:03:41,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:03:41,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:03:41,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:03:41,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:03:41,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:03:41,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:03:41" (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 16:03:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:03:41,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:03:41,712 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:03:41,712 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 16:03:41,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:41 BoogieIcfgContainer [2019-11-24 16:03:41,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:03:41,714 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:03:41,714 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:03:41,714 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:03:41,715 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:03:41" (1/1) ... [2019-11-24 16:03:41,716 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 16:03:41,739 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 16:03:41,740 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:03:41,747 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:03:41,756 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:03:41,757 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:03:42,101 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:03:42,133 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:03:42,133 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:03:42,136 INFO L168 Benchmark]: Toolchain (without parser) took 1007.37 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 102.4 MB in the beginning and 153.1 MB in the end (delta: -50.7 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:42,137 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 16:03:42,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.95 ms. Allocated memory is still 137.9 MB. Free memory was 102.1 MB in the beginning and 93.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:42,139 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.09 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 93.0 MB in the beginning and 178.9 MB in the end (delta: -86.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:42,140 INFO L168 Benchmark]: Boogie Preprocessor took 16.42 ms. Allocated memory is still 199.8 MB. Free memory was 178.9 MB in the beginning and 178.2 MB in the end (delta: 704.8 kB). Peak memory consumption was 704.8 kB. Max. memory is 7.1 GB. [2019-11-24 16:03:42,141 INFO L168 Benchmark]: RCFGBuilder took 235.83 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 166.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:42,142 INFO L168 Benchmark]: Sifa took 419.05 ms. Allocated memory is still 199.8 MB. Free memory was 166.9 MB in the beginning and 153.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:03:42,147 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 223.95 ms. Allocated memory is still 137.9 MB. Free memory was 102.1 MB in the beginning and 93.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 108.09 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 93.0 MB in the beginning and 178.9 MB in the end (delta: -86.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 16.42 ms. Allocated memory is still 199.8 MB. Free memory was 178.9 MB in the beginning and 178.2 MB in the end (delta: 704.8 kB). Peak memory consumption was 704.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 235.83 ms. Allocated memory is still 199.8 MB. Free memory was 177.6 MB in the beginning and 166.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Sifa took 419.05 ms. Allocated memory is still 199.8 MB. Free memory was 166.9 MB in the beginning and 153.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 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]: 363, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 3, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 16, TOOLS_POST_TIME[ms]: 42, 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: 16, TOOLS_QUANTIFIERELIM_TIME[ms]: 33, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 24, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 153, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 79, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 16, DOMAIN_ISBOTTOM_APPLICATIONS: 3, DOMAIN_ISBOTTOM_TIME[ms]: 13, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 300, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 299, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, 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]: 3, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 9, DAG_COMPRESSION_PROCESSED_NODES: 21, DAG_COMPRESSION_RETAINED_NODES: 14 - UnprovableResult [Line: 6]: 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 33#(and (<= 1 ULTIMATE.start_main_~i~0) (= ULTIMATE.start_main_~i~0 3) (< ULTIMATE.start_main_~i~0 6) (or (= (+ ULTIMATE.start_main_~i~0 (- 1)) 0) (and (= (+ ULTIMATE.start_main_~i~0 (- 1)) 1) (< ULTIMATE.start_main_~i~0 7) (not (= (+ ULTIMATE.start_main_~i~0 (- 1)) 3))) (and (<= 2 ULTIMATE.start_main_~i~0) (< ULTIMATE.start_main_~i~0 7) (or (and (not (= 3 (+ ULTIMATE.start_main_~i~0 (- 2)))) (< ULTIMATE.start_main_~i~0 8) (= 1 (+ ULTIMATE.start_main_~i~0 (- 2)))) (= 0 (+ ULTIMATE.start_main_~i~0 (- 2)))) (not (= (+ ULTIMATE.start_main_~i~0 (- 1)) 3))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...