java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/hhk2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:20,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:20,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:20,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:20,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:20,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:20,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:20,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:20,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:20,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:20,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:20,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:20,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:20,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:20,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:20,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:20,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:20,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:20,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:20,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:20,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:20,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:20,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:20,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:20,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 04:44:20,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 04:44:20,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 04:44:20,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 04:44:20,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 04:44:20,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 04:44:20,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:20,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:20,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:20,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:20,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:20,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:20,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:20,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:20,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:20,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:20,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:20,723 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 [2019-10-15 04:44:20,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:20,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:20,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:20,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:20,739 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:20,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:20,739 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:20,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:20,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:20,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:20,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:20,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:20,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:20,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:20,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:20,741 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:20,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:20,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:20,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:20,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:20,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:20,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:20,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:20,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:20,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:20,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:20,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:20,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:20,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:21,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:21,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:21,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:21,032 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:21,032 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:21,033 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/hhk2008.i [2019-10-15 04:44:21,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79c551216/ea04c5fd0aef4cd6b41c642b4ff3c5b3/FLAG77000683c [2019-10-15 04:44:21,578 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:21,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/hhk2008.i [2019-10-15 04:44:21,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79c551216/ea04c5fd0aef4cd6b41c642b4ff3c5b3/FLAG77000683c [2019-10-15 04:44:21,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79c551216/ea04c5fd0aef4cd6b41c642b4ff3c5b3 [2019-10-15 04:44:21,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:21,959 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:21,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:21,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:21,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:21,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f078ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21, skipping insertion in model container [2019-10-15 04:44:21,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,978 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:21,997 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:22,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:22,205 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:22,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:22,237 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:22,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22 WrapperNode [2019-10-15 04:44:22,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:22,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:22,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:22,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:22,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:22,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:22,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:22,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:22,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:22" (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 [2019-10-15 04:44:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:22,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:22,575 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:22,576 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:22,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:22 BoogieIcfgContainer [2019-10-15 04:44:22,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:22,578 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:22,578 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:22,578 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:22,579 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:22" (1/1) ... [2019-10-15 04:44:22,608 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:22,856 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:22,879 INFO L272 AbstractInterpreter]: Visited 24 different actions 74 times. Merged at 5 different actions 14 times. Widened at 1 different actions 2 times. Performed 96 root evaluator evaluations with a maximum evaluation depth of 6. Performed 96 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7 fixpoints after 3 different actions. Largest state had 7 variables. [2019-10-15 04:44:22,880 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:22,883 INFO L168 Benchmark]: Toolchain (without parser) took 922.70 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 101.7 MB in the beginning and 155.9 MB in the end (delta: -54.2 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:22,884 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:22,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.34 ms. Allocated memory is still 136.8 MB. Free memory was 101.5 MB in the beginning and 91.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:22,887 INFO L168 Benchmark]: Boogie Preprocessor took 107.74 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 178.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:22,888 INFO L168 Benchmark]: RCFGBuilder took 230.29 ms. Allocated memory is still 199.8 MB. Free memory was 178.5 MB in the beginning and 167.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:22,889 INFO L168 Benchmark]: Abstract Interpretation took 302.38 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 155.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:22,894 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 278.34 ms. Allocated memory is still 136.8 MB. Free memory was 101.5 MB in the beginning and 91.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.74 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 91.6 MB in the beginning and 178.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 230.29 ms. Allocated memory is still 199.8 MB. Free memory was 178.5 MB in the beginning and 167.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 302.38 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 155.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L11] int a = __VERIFIER_nondet_int(); [L12] int b = __VERIFIER_nondet_int(); [L13] int res, cnt; [L14] COND FALSE !(!(a <= 1000000)) [L15] COND FALSE !(!(0 <= b && b <= 1000000)) [L16] res = a [L17] cnt = b [L18] COND FALSE !(cnt > 0) [L22] CALL __VERIFIER_assert(res == a + b) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...