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/float_req_bl_0460.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:06:49,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:06:49,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:06:49,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:06:49,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:06:49,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:06:49,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:06:49,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:06:49,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:06:49,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:06:49,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:06:49,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:06:49,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:06:49,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:06:49,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:06:49,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:06:49,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:06:49,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:06:49,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:06:49,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:06:49,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:06:49,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:06:49,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:06:49,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:06:49,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:06:49,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:06:49,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:06:49,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:06:49,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:06:50,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:06:50,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:06:50,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:06:50,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:06:50,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:06:50,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:06:50,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:06:50,004 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 16:06:50,022 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:06:50,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:06:50,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:06:50,025 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:06:50,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:06:50,026 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:06:50,026 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:06:50,026 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:06:50,026 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:06:50,026 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:06:50,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:06:50,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:06:50,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:06:50,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:06:50,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:06:50,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:06:50,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:06:50,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:06:50,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:06:50,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:06:50,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:06:50,029 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:06:50,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:06:50,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:06:50,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:06:50,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:06:50,030 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:06:50,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:06:50,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:06:50,031 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:06:50,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:06:50,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:06:50,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:06:50,080 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:06:50,081 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:06:50,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_0460.c [2019-09-11 16:06:50,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c260e283/7381746fc2b4451fab69e65acfe67b55/FLAG87b0d2b08 [2019-09-11 16:06:50,615 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:06:50,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_0460.c [2019-09-11 16:06:50,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c260e283/7381746fc2b4451fab69e65acfe67b55/FLAG87b0d2b08 [2019-09-11 16:06:50,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c260e283/7381746fc2b4451fab69e65acfe67b55 [2019-09-11 16:06:50,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:06:50,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:06:50,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:06:50,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:06:50,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:06:50,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:06:50" (1/1) ... [2019-09-11 16:06:50,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@427c24f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:50, skipping insertion in model container [2019-09-11 16:06:50,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:06:50" (1/1) ... [2019-09-11 16:06:50,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:06:51,033 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:06:51,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:06:51,356 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:06:51,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:06:51,427 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:06:51,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51 WrapperNode [2019-09-11 16:06:51,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:06:51,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:06:51,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:06:51,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:06:51,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (1/1) ... [2019-09-11 16:06:51,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (1/1) ... [2019-09-11 16:06:51,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (1/1) ... [2019-09-11 16:06:51,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (1/1) ... [2019-09-11 16:06:51,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (1/1) ... [2019-09-11 16:06:51,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (1/1) ... [2019-09-11 16:06:51,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (1/1) ... [2019-09-11 16:06:51,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:06:51,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:06:51,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:06:51,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:06:51,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:06:51" (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 16:06:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:06:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:06:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2019-09-11 16:06:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2019-09-11 16:06:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_acosf [2019-09-11 16:06:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:06:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:06:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-11 16:06:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2019-09-11 16:06:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2019-09-11 16:06:51,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:06:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-11 16:06:51,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:06:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:06:51,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:06:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-11 16:06:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_acosf [2019-09-11 16:06:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:06:51,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:06:51,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:06:54,255 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:06:54,256 INFO L283 CfgBuilder]: Removed 12 assume(true) statements. [2019-09-11 16:06:54,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:06:54 BoogieIcfgContainer [2019-09-11 16:06:54,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:06:54,258 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:06:54,259 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:06:54,259 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:06:54,260 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:06:54" (1/1) ... [2019-09-11 16:06:54,307 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:06:54,395 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:06:54,396 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:06:54,417 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:06:54,423 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 121 root evaluator evaluations with a maximum evaluation depth of 2. Performed 121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Never found a fixpoint. Largest state had 74 variables. [2019-09-11 16:06:54,424 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:06:54,427 INFO L168 Benchmark]: Toolchain (without parser) took 3446.55 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 132.1 MB in the end (delta: -44.8 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:06:54,428 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:06:54,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.08 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 174.4 MB in the end (delta: -87.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:06:54,430 INFO L168 Benchmark]: Boogie Preprocessor took 54.89 ms. Allocated memory is still 200.3 MB. Free memory was 174.4 MB in the beginning and 172.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:06:54,431 INFO L168 Benchmark]: RCFGBuilder took 2774.33 ms. Allocated memory is still 200.3 MB. Free memory was 172.0 MB in the beginning and 140.4 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:06:54,432 INFO L168 Benchmark]: Abstract Interpretation took 165.48 ms. Allocated memory is still 200.3 MB. Free memory was 140.4 MB in the beginning and 132.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:06:54,436 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 448.08 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 87.0 MB in the beginning and 174.4 MB in the end (delta: -87.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.89 ms. Allocated memory is still 200.3 MB. Free memory was 174.4 MB in the beginning and 172.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2774.33 ms. Allocated memory is still 200.3 MB. Free memory was 172.0 MB in the beginning and 140.4 MB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 165.48 ms. Allocated memory is still 200.3 MB. Free memory was 140.4 MB in the beginning and 132.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 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: 177]: 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...