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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_0620a.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:05:41,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:05:41,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:05:41,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:05:41,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:05:41,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:05:41,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:05:41,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:05:41,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:05:41,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:05:41,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:05:41,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:05:41,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:05:41,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:05:41,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:05:41,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:05:41,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:05:41,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:05:41,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:05:41,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:05:41,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:05:41,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:05:41,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:05:41,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:05:41,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:05:41,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:05:41,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:05:41,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:05:41,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:05:41,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:05:41,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:05:41,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:05:41,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:05:41,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:05:41,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:05:41,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:05:41,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:05:41,381 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:05:41,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:05:41,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:05:41,385 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:05:41,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:05:41,386 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:05:41,386 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:05:41,386 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:05:41,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:05:41,386 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:05:41,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:05:41,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:05:41,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:05:41,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:05:41,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:05:41,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:05:41,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:05:41,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:05:41,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:05:41,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:05:41,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:05:41,391 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:05:41,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:05:41,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:05:41,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:05:41,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:05:41,392 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:05:41,392 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:05:41,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:05:41,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:05:41,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:05:41,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:05:41,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:05:41,443 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:05:41,443 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:05:41,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_0620a.c [2019-09-11 16:05:41,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/758c79a6a/aa8b1e06daa640fdb1c1daeaa7a0cfa8/FLAG4c78d130d [2019-09-11 16:05:42,016 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:05:42,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_0620a.c [2019-09-11 16:05:42,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/758c79a6a/aa8b1e06daa640fdb1c1daeaa7a0cfa8/FLAG4c78d130d [2019-09-11 16:05:42,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/758c79a6a/aa8b1e06daa640fdb1c1daeaa7a0cfa8 [2019-09-11 16:05:42,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:05:42,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:05:42,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:05:42,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:05:42,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:05:42,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d8957a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42, skipping insertion in model container [2019-09-11 16:05:42,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,372 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:05:42,398 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:05:42,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:05:42,738 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:05:42,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:05:42,813 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:05:42,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42 WrapperNode [2019-09-11 16:05:42,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:05:42,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:05:42,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:05:42,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:05:42,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (1/1) ... [2019-09-11 16:05:42,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:05:42,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:05:42,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:05:42,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:05:42,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:05:42" (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 [2019-09-11 16:05:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:05:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:05:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2019-09-11 16:05:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2019-09-11 16:05:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2019-09-11 16:05:42,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:05:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:05:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-11 16:05:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2019-09-11 16:05:42,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:05:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-11 16:05:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:05:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:05:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:05:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-11 16:05:42,931 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2019-09-11 16:05:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2019-09-11 16:05:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:05:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:05:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-09-11 16:05:42,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:05:43,506 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:05:43,506 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-11 16:05:43,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:05:43 BoogieIcfgContainer [2019-09-11 16:05:43,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:05:43,509 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:05:43,509 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:05:43,509 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:05:43,510 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:05:43" (1/1) ... [2019-09-11 16:05:43,546 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:05:43,609 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:05:43,615 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 36 variables. [2019-09-11 16:05:43,615 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:05:43,618 INFO L168 Benchmark]: Toolchain (without parser) took 1262.03 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 86.8 MB in the beginning and 134.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:05:43,619 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 133.2 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:05:43,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.10 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 86.6 MB in the beginning and 173.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:05:43,621 INFO L168 Benchmark]: Boogie Preprocessor took 59.30 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 171.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:05:43,622 INFO L168 Benchmark]: RCFGBuilder took 634.08 ms. Allocated memory is still 199.2 MB. Free memory was 170.8 MB in the beginning and 140.5 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:05:43,623 INFO L168 Benchmark]: Abstract Interpretation took 106.70 ms. Allocated memory is still 199.2 MB. Free memory was 140.0 MB in the beginning and 134.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:05:43,628 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 133.2 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 458.10 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 86.6 MB in the beginning and 173.7 MB in the end (delta: -87.1 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.30 ms. Allocated memory is still 199.2 MB. Free memory was 173.7 MB in the beginning and 171.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 634.08 ms. Allocated memory is still 199.2 MB. Free memory was 170.8 MB in the beginning and 140.5 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 106.70 ms. Allocated memory is still 199.2 MB. Free memory was 140.0 MB in the beginning and 134.8 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 159]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...