java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:36:51,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:36:51,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:36:51,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:36:51,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:36:51,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:36:51,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:36:51,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:36:51,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:36:51,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:36:51,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:36:51,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:36:51,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:36:51,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:36:51,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:36:51,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:36:51,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:36:51,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:36:51,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:36:51,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:36:51,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:36:51,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:36:51,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:36:51,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:36:51,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 08:36:51,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:36:51,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:36:51,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:36:51,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 08:36:51,609 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:36:51,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:36:51,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:36:51,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:36:51,612 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:36:51,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:36:51,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:36:51,613 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:36:51,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:36:51,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:36:51,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:36:51,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:36:51,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:36:51,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:36:51,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:36:51,615 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:36:51,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:36:51,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:36:51,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:36:51,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:36:51,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:36:51,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:36:51,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:36:51,617 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:36:51,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:36:51,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:36:51,618 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:36:51,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:36:51,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:36:51,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:36:51,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:36:51,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:36:51,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:36:51,683 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:36:51,683 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-09-06 08:36:51,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0ad43f5/3da1dbc12e47481684ed97ce473caa62/FLAG8361da49d [2019-09-06 08:36:52,159 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:36:52,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Double_div_bad.i.p+cfa-reducer.c [2019-09-06 08:36:52,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0ad43f5/3da1dbc12e47481684ed97ce473caa62/FLAG8361da49d [2019-09-06 08:36:52,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa0ad43f5/3da1dbc12e47481684ed97ce473caa62 [2019-09-06 08:36:52,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:36:52,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:36:52,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:52,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:36:52,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:36:52,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624e1390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52, skipping insertion in model container [2019-09-06 08:36:52,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,598 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:36:52,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:36:52,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:52,790 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:36:52,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:36:52,815 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:36:52,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52 WrapperNode [2019-09-06 08:36:52,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:36:52,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:36:52,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:36:52,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:36:52,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (1/1) ... [2019-09-06 08:36:52,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:36:52,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:36:52,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:36:52,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:36:52,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:36:52" (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 [2019-09-06 08:36:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:36:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:36:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:36:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:36:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-06 08:36:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:36:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:36:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:36:53,144 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:36:53,144 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:36:53,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:53 BoogieIcfgContainer [2019-09-06 08:36:53,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:36:53,147 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:36:53,147 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:36:53,148 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:36:53,149 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:36:53" (1/1) ... [2019-09-06 08:36:53,151 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:36:53,172 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:36:53,173 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:36:53,179 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:36:53,189 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:36:53,191 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:36:53,253 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 5 for LOIs [2019-09-06 08:36:53,279 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:36:53,280 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:36:53,282 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 18#(and (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= ~__return_main~0 0)) [2019-09-06 08:36:53,295 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:36:53,295 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:36:53,298 INFO L168 Benchmark]: Toolchain (without parser) took 715.76 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.2 MB in the beginning and 159.1 MB in the end (delta: -69.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 08:36:53,299 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-06 08:36:53,300 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.64 ms. Allocated memory is still 133.7 MB. Free memory was 89.0 MB in the beginning and 79.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:53,301 INFO L168 Benchmark]: Boogie Preprocessor took 117.80 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.7 MB in the beginning and 177.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:53,302 INFO L168 Benchmark]: RCFGBuilder took 212.22 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 166.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:53,303 INFO L168 Benchmark]: Sifa took 148.57 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 159.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-09-06 08:36:53,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.64 ms. Allocated memory is still 133.7 MB. Free memory was 89.0 MB in the beginning and 79.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.80 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.7 MB in the beginning and 177.2 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 212.22 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 166.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Sifa took 148.57 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 159.1 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 109, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 11, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 8, TOOLS_POST_TIME[ms]: 7, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 14, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 4, DOMAIN_JOIN_TIME[ms]: 17, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 2, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 4, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 17, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 11, DAG_COMPRESSION_PROCESSED_NODES: 37, DAG_COMPRESSION_RETAINED_NODES: 22 - UnprovableResult [Line: 25]: 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 18#(and (<= 0 main_~__VERIFIER_assert__cond~0) (<= main_~__VERIFIER_assert__cond~0 0) (<= 0 ~__return_main~0) (<= main_~__tmp_1~0 0) (<= 0 main_~__tmp_1~0) (<= ~__return_main~0 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...