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/bitvector-regression/signextension-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:30:22,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:30:22,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:30:22,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:30:22,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:30:22,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:30:22,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:30:22,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:30:22,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:30:22,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:30:22,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:30:22,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:30:22,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:30:22,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:30:22,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:30:22,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:30:22,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:30:22,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:30:22,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:30:22,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:30:22,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:30:22,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:30:22,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:30:22,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:30:22,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 15:30:22,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:30:22,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:30:22,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:30:22,851 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 [2019-09-05 15:30:22,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:30:22,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:30:22,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:30:22,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:30:22,876 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:30:22,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:30:22,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:30:22,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:30:22,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:30:22,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:30:22,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:30:22,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:30:22,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:30:22,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:30:22,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:30:22,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:30:22,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:30:22,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:30:22,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:30:22,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:30:22,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:30:22,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:30:22,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:30:22,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:30:22,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:30:22,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:30:22,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:30:22,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:30:22,881 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 [2019-09-05 15:30:22,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:30:22,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:30:22,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:30:22,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:30:22,938 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:30:22,939 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/signextension-2.c [2019-09-05 15:30:23,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15183185/c6939e884c1b411d8ebbd59123fd8a37/FLAG20e7535d7 [2019-09-05 15:30:23,493 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:30:23,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/signextension-2.c [2019-09-05 15:30:23,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15183185/c6939e884c1b411d8ebbd59123fd8a37/FLAG20e7535d7 [2019-09-05 15:30:23,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c15183185/c6939e884c1b411d8ebbd59123fd8a37 [2019-09-05 15:30:23,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:30:23,910 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:30:23,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:30:23,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:30:23,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:30:23,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:30:23" (1/1) ... [2019-09-05 15:30:23,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c498326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:23, skipping insertion in model container [2019-09-05 15:30:23,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:30:23" (1/1) ... [2019-09-05 15:30:23,925 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:30:23,939 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:30:24,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:30:24,093 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:30:24,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:30:24,123 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:30:24,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24 WrapperNode [2019-09-05 15:30:24,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:30:24,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:30:24,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:30:24,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:30:24,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:30:24,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:30:24,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:30:24,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:30:24,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:30:24" (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 [2019-09-05 15:30:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:30:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:30:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:30:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:30:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:30:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:30:24,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:30:24,454 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:30:24,454 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-05 15:30:24,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:30:24 BoogieIcfgContainer [2019-09-05 15:30:24,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:30:24,456 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:30:24,457 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:30:24,457 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:30:24,458 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:30:24" (1/1) ... [2019-09-05 15:30:24,459 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 [2019-09-05 15:30:24,496 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:30:24,497 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:30:24,508 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:30:24,518 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:30:24,520 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:30:24,571 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-05 15:30:24,605 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:30:24,605 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:30:24,607 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 11#(and (<= (+ main_~allbits~0 1) 0) (<= 0 (+ main_~allbits~0 1))) [2019-09-05 15:30:24,621 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:30:24,622 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:30:24,624 INFO L168 Benchmark]: Toolchain (without parser) took 713.55 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 84.4 MB in the beginning and 157.9 MB in the end (delta: -73.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 15:30:24,625 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory is still 102.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-05 15:30:24,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.30 ms. Allocated memory is still 136.3 MB. Free memory was 84.0 MB in the beginning and 75.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-05 15:30:24,627 INFO L168 Benchmark]: Boogie Preprocessor took 128.21 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 75.1 MB in the beginning and 174.4 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-05 15:30:24,628 INFO L168 Benchmark]: RCFGBuilder took 203.64 ms. Allocated memory is still 197.1 MB. Free memory was 174.4 MB in the beginning and 164.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-05 15:30:24,629 INFO L168 Benchmark]: Sifa took 165.30 ms. Allocated memory is still 197.1 MB. Free memory was 164.8 MB in the beginning and 157.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-09-05 15:30:24,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory is still 102.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 213.30 ms. Allocated memory is still 136.3 MB. Free memory was 84.0 MB in the beginning and 75.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.21 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 75.1 MB in the beginning and 174.4 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 203.64 ms. Allocated memory is still 197.1 MB. Free memory was 174.4 MB in the beginning and 164.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Sifa took 165.30 ms. Allocated memory is still 197.1 MB. Free memory was 164.8 MB in the beginning and 157.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 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]: 112, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 6, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 4, TOOLS_POST_TIME[ms]: 5, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 7, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_TIME[ms]: 3, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 6, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 2, DOMAIN_JOIN_TIME[ms]: 23, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 11, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 27, DAG_COMPRESSION_RETAINED_NODES: 18 - 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 11#(and (<= (+ main_~allbits~0 1) 0) (<= 0 (+ main_~allbits~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...