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 -i ../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 00:36:28,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 00:36:28,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 00:36:28,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 00:36:28,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 00:36:28,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 00:36:28,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 00:36:28,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 00:36:28,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 00:36:28,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 00:36:28,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 00:36:28,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 00:36:28,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 00:36:28,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 00:36:28,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 00:36:28,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 00:36:28,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 00:36:28,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 00:36:28,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 00:36:28,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 00:36:28,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 00:36:28,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 00:36:28,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 00:36:28,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 00:36:28,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-31 00:36:28,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 00:36:28,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 00:36:28,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 00:36:28,747 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 [2019-08-31 00:36:28,760 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 00:36:28,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 00:36:28,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 00:36:28,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 00:36:28,762 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 00:36:28,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 00:36:28,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 00:36:28,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 00:36:28,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 00:36:28,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 00:36:28,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 00:36:28,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 00:36:28,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 00:36:28,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 00:36:28,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 00:36:28,765 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 00:36:28,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 00:36:28,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 00:36:28,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 00:36:28,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 00:36:28,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 00:36:28,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 00:36:28,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 00:36:28,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 00:36:28,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 00:36:28,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 00:36:28,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 00:36:28,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 00:36:28,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 00:36:28,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 00:36:28,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 00:36:28,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 00:36:28,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 00:36:28,814 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 00:36:28,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/sine_7.i [2019-08-31 00:36:28,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11693547/bb559187ff894303a1a713b13d86c922/FLAGabc68c33a [2019-08-31 00:36:29,316 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 00:36:29,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/sine_7.i [2019-08-31 00:36:29,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11693547/bb559187ff894303a1a713b13d86c922/FLAGabc68c33a [2019-08-31 00:36:29,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d11693547/bb559187ff894303a1a713b13d86c922 [2019-08-31 00:36:29,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 00:36:29,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 00:36:29,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 00:36:29,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 00:36:29,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 00:36:29,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:29,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ffb231 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29, skipping insertion in model container [2019-08-31 00:36:29,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:29,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 00:36:29,730 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 00:36:29,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:36:29,912 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 00:36:29,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 00:36:29,945 INFO L192 MainTranslator]: Completed translation [2019-08-31 00:36:29,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29 WrapperNode [2019-08-31 00:36:29,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 00:36:29,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 00:36:29,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 00:36:29,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 00:36:30,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:30,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:30,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:30,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:30,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:30,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:30,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (1/1) ... [2019-08-31 00:36:30,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 00:36:30,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 00:36:30,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 00:36:30,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 00:36:30,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 12:36:29" (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 [2019-08-31 00:36:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 00:36:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 00:36:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 00:36:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 00:36:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-31 00:36:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-31 00:36:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 00:36:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 00:36:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 00:36:30,242 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 00:36:30,242 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-31 00:36:30,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:36:30 BoogieIcfgContainer [2019-08-31 00:36:30,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 00:36:30,244 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 00:36:30,244 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 00:36:30,244 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 00:36:30,246 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 12:36:30" (1/1) ... [2019-08-31 00:36:30,279 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 00:36:30,279 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 00:36:30,285 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 00:36:30,292 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 00:36:30,293 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 00:36:30,343 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-31 00:36:30,367 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 00:36:30,367 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 00:36:30,369 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 17#(= main_~x~0 main_~IN~0) [2019-08-31 00:36:30,384 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 00:36:30,384 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 00:36:30,386 INFO L168 Benchmark]: Toolchain (without parser) took 687.28 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.5 MB in the beginning and 159.5 MB in the end (delta: -70.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-31 00:36:30,387 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 00:36:30,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.86 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:30,389 INFO L168 Benchmark]: Boogie Preprocessor took 118.30 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.8 MB in the beginning and 176.4 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:30,390 INFO L168 Benchmark]: RCFGBuilder took 178.53 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 167.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:30,390 INFO L168 Benchmark]: Sifa took 139.90 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 159.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-08-31 00:36:30,394 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.86 ms. Allocated memory is still 133.7 MB. Free memory was 89.3 MB in the beginning and 79.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.30 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 79.8 MB in the beginning and 176.4 MB in the end (delta: -96.5 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 178.53 ms. Allocated memory is still 199.8 MB. Free memory was 176.4 MB in the beginning and 167.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Sifa took 139.90 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 159.5 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.1s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 6 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 4 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 2 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 6 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 2 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 1 CALL_SUMMARIZER_CACHE_MISSES, 0.0s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 29 DAG_COMPRESSION_PROCESSED_NODES, 19 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 14]: 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 17#(= main_~x~0 main_~IN~0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...