/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 05:36:17,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 05:36:17,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 05:36:17,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 05:36:17,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 05:36:17,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 05:36:17,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 05:36:17,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 05:36:17,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 05:36:17,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 05:36:17,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 05:36:17,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 05:36:17,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 05:36:17,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 05:36:17,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 05:36:17,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 05:36:17,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 05:36:17,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 05:36:17,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 05:36:17,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 05:36:17,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 05:36:17,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 05:36:17,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 05:36:17,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 05:36:17,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 05:36:17,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 05:36:17,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 05:36:17,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 05:36:17,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 05:36:17,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 05:36:17,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 05:36:17,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 05:36:17,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 05:36:17,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 05:36:17,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 05:36:17,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 05:36:17,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 05:36:17,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 05:36:17,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 05:36:17,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 05:36:17,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 05:36:17,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 05:36:17,528 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 05:36:17,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 05:36:17,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 05:36:17,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 05:36:17,534 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 05:36:17,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 05:36:17,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 05:36:17,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 05:36:17,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 05:36:17,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 05:36:17,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 05:36:17,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 05:36:17,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 05:36:17,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 05:36:17,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 05:36:17,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 05:36:17,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 05:36:17,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 05:36:17,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 05:36:17,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 05:36:17,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 05:36:17,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 05:36:17,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 05:36:17,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 05:36:17,540 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 05:36:17,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 05:36:17,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 05:36:17,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 05:36:17,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 05:36:17,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 05:36:17,976 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 05:36:17,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_math_1.c [2020-12-23 05:36:18,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b11ae754/5500a7f19b8443a4ad381a1249a160b4/FLAGe8f1e6ac5 [2020-12-23 05:36:18,742 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 05:36:18,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/psyco/psyco_math_1.c [2020-12-23 05:36:18,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b11ae754/5500a7f19b8443a4ad381a1249a160b4/FLAGe8f1e6ac5 [2020-12-23 05:36:19,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9b11ae754/5500a7f19b8443a4ad381a1249a160b4 [2020-12-23 05:36:19,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 05:36:19,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 05:36:19,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 05:36:19,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 05:36:19,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 05:36:19,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a360e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19, skipping insertion in model container [2020-12-23 05:36:19,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 05:36:19,112 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] [2020-12-23 05:36:19,300 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2020-12-23 05:36:19,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 05:36:19,316 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] left hand side expression in assignment: lhs: VariableLHS[~method_id~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] [2020-12-23 05:36:19,386 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/psyco/psyco_math_1.c[11705,11718] [2020-12-23 05:36:19,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 05:36:19,423 INFO L208 MainTranslator]: Completed translation [2020-12-23 05:36:19,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19 WrapperNode [2020-12-23 05:36:19,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 05:36:19,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 05:36:19,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 05:36:19,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 05:36:19,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 05:36:19,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 05:36:19,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 05:36:19,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 05:36:19,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... [2020-12-23 05:36:19,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 05:36:19,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 05:36:19,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 05:36:19,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 05:36:19,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 05:36:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 05:36:19,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 05:36:19,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 05:36:19,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 05:36:20,248 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 05:36:20,249 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-23 05:36:20,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:20 BoogieIcfgContainer [2020-12-23 05:36:20,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 05:36:20,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 05:36:20,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 05:36:20,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 05:36:20,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:36:19" (1/3) ... [2020-12-23 05:36:20,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3277554f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:36:20, skipping insertion in model container [2020-12-23 05:36:20,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:19" (2/3) ... [2020-12-23 05:36:20,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3277554f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:36:20, skipping insertion in model container [2020-12-23 05:36:20,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:20" (3/3) ... [2020-12-23 05:36:20,272 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2020-12-23 05:36:20,278 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 05:36:20,283 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 05:36:20,301 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-23 05:36:20,330 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 05:36:20,330 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 05:36:20,330 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 05:36:20,330 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 05:36:20,331 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 05:36:20,331 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 05:36:20,331 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 05:36:20,331 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 05:36:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2020-12-23 05:36:20,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-23 05:36:20,355 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 05:36:20,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 05:36:20,357 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 05:36:20,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 05:36:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash 352571322, now seen corresponding path program 1 times [2020-12-23 05:36:20,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 05:36:20,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705208866] [2020-12-23 05:36:20,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 05:36:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 05:36:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 05:36:20,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705208866] [2020-12-23 05:36:20,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 05:36:20,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 05:36:20,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111510410] [2020-12-23 05:36:20,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 05:36:20,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 05:36:20,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 05:36:20,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 05:36:20,677 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2020-12-23 05:36:20,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 05:36:20,721 INFO L93 Difference]: Finished difference Result 133 states and 252 transitions. [2020-12-23 05:36:20,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 05:36:20,723 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-23 05:36:20,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 05:36:20,743 INFO L225 Difference]: With dead ends: 133 [2020-12-23 05:36:20,743 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 05:36:20,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 05:36:20,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 05:36:20,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 05:36:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 05:36:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 05:36:20,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-12-23 05:36:20,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 05:36:20,776 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 05:36:20,776 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 05:36:20,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 05:36:20,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 05:36:20,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 05:36:20,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 05:36:20,797 INFO L189 CegarLoopUtils]: For program point L217(lines 217 227) no Hoare annotation was computed. [2020-12-23 05:36:20,798 INFO L189 CegarLoopUtils]: For program point L184(lines 184 198) no Hoare annotation was computed. [2020-12-23 05:36:20,798 INFO L189 CegarLoopUtils]: For program point L52(lines 52 66) no Hoare annotation was computed. [2020-12-23 05:36:20,798 INFO L189 CegarLoopUtils]: For program point L267(lines 267 269) no Hoare annotation was computed. [2020-12-23 05:36:20,798 INFO L189 CegarLoopUtils]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-12-23 05:36:20,798 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 05:36:20,798 INFO L189 CegarLoopUtils]: For program point L251(lines 251 253) no Hoare annotation was computed. [2020-12-23 05:36:20,799 INFO L189 CegarLoopUtils]: For program point L119(lines 119 134) no Hoare annotation was computed. [2020-12-23 05:36:20,799 INFO L192 CegarLoopUtils]: At program point L20(lines 20 363) the Hoare annotation is: true [2020-12-23 05:36:20,799 INFO L189 CegarLoopUtils]: For program point L169(lines 169 183) no Hoare annotation was computed. [2020-12-23 05:36:20,799 INFO L189 CegarLoopUtils]: For program point L103(lines 103 118) no Hoare annotation was computed. [2020-12-23 05:36:20,799 INFO L189 CegarLoopUtils]: For program point L70(lines 70 137) no Hoare annotation was computed. [2020-12-23 05:36:20,799 INFO L189 CegarLoopUtils]: For program point L186(lines 186 196) no Hoare annotation was computed. [2020-12-23 05:36:20,800 INFO L189 CegarLoopUtils]: For program point L87(lines 87 102) no Hoare annotation was computed. [2020-12-23 05:36:20,800 INFO L189 CegarLoopUtils]: For program point L54(lines 54 64) no Hoare annotation was computed. [2020-12-23 05:36:20,800 INFO L189 CegarLoopUtils]: For program point L236(lines 236 238) no Hoare annotation was computed. [2020-12-23 05:36:20,800 INFO L189 CegarLoopUtils]: For program point L71(lines 71 86) no Hoare annotation was computed. [2020-12-23 05:36:20,800 INFO L189 CegarLoopUtils]: For program point L154(lines 154 168) no Hoare annotation was computed. [2020-12-23 05:36:20,800 INFO L189 CegarLoopUtils]: For program point L121(lines 121 132) no Hoare annotation was computed. [2020-12-23 05:36:20,800 INFO L189 CegarLoopUtils]: For program point L171(lines 171 181) no Hoare annotation was computed. [2020-12-23 05:36:20,801 INFO L189 CegarLoopUtils]: For program point L138(lines 138 355) no Hoare annotation was computed. [2020-12-23 05:36:20,801 INFO L189 CegarLoopUtils]: For program point L105(lines 105 116) no Hoare annotation was computed. [2020-12-23 05:36:20,801 INFO L189 CegarLoopUtils]: For program point L221(lines 221 223) no Hoare annotation was computed. [2020-12-23 05:36:20,801 INFO L189 CegarLoopUtils]: For program point L89(lines 89 100) no Hoare annotation was computed. [2020-12-23 05:36:20,801 INFO L189 CegarLoopUtils]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-12-23 05:36:20,801 INFO L189 CegarLoopUtils]: For program point L139(lines 139 153) no Hoare annotation was computed. [2020-12-23 05:36:20,802 INFO L189 CegarLoopUtils]: For program point L73(lines 73 84) no Hoare annotation was computed. [2020-12-23 05:36:20,802 INFO L192 CegarLoopUtils]: At program point L354(lines 28 358) the Hoare annotation is: true [2020-12-23 05:36:20,802 INFO L189 CegarLoopUtils]: For program point L156(lines 156 166) no Hoare annotation was computed. [2020-12-23 05:36:20,802 INFO L189 CegarLoopUtils]: For program point L338(lines 338 352) no Hoare annotation was computed. [2020-12-23 05:36:20,802 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 05:36:20,802 INFO L189 CegarLoopUtils]: For program point L190(lines 190 192) no Hoare annotation was computed. [2020-12-23 05:36:20,803 INFO L189 CegarLoopUtils]: For program point L58(lines 58 60) no Hoare annotation was computed. [2020-12-23 05:36:20,803 INFO L189 CegarLoopUtils]: For program point L141(lines 141 151) no Hoare annotation was computed. [2020-12-23 05:36:20,803 INFO L189 CegarLoopUtils]: For program point L323(lines 323 337) no Hoare annotation was computed. [2020-12-23 05:36:20,803 INFO L189 CegarLoopUtils]: For program point L125(lines 125 127) no Hoare annotation was computed. [2020-12-23 05:36:20,803 INFO L189 CegarLoopUtils]: For program point L340(lines 340 350) no Hoare annotation was computed. [2020-12-23 05:36:20,803 INFO L189 CegarLoopUtils]: For program point L307(lines 307 322) no Hoare annotation was computed. [2020-12-23 05:36:20,803 INFO L189 CegarLoopUtils]: For program point L175(lines 175 177) no Hoare annotation was computed. [2020-12-23 05:36:20,804 INFO L189 CegarLoopUtils]: For program point L109(lines 109 111) no Hoare annotation was computed. [2020-12-23 05:36:20,804 INFO L189 CegarLoopUtils]: For program point L291(lines 291 306) no Hoare annotation was computed. [2020-12-23 05:36:20,804 INFO L189 CegarLoopUtils]: For program point L93(lines 93 95) no Hoare annotation was computed. [2020-12-23 05:36:20,804 INFO L189 CegarLoopUtils]: For program point L77(lines 77 79) no Hoare annotation was computed. [2020-12-23 05:36:20,804 INFO L189 CegarLoopUtils]: For program point L325(lines 325 335) no Hoare annotation was computed. [2020-12-23 05:36:20,804 INFO L189 CegarLoopUtils]: For program point L160(lines 160 162) no Hoare annotation was computed. [2020-12-23 05:36:20,804 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 05:36:20,805 INFO L192 CegarLoopUtils]: At program point L28-2(lines 28 358) the Hoare annotation is: true [2020-12-23 05:36:20,805 INFO L189 CegarLoopUtils]: For program point L28-3(lines 28 358) no Hoare annotation was computed. [2020-12-23 05:36:20,805 INFO L189 CegarLoopUtils]: For program point L309(lines 309 320) no Hoare annotation was computed. [2020-12-23 05:36:20,805 INFO L189 CegarLoopUtils]: For program point L276(lines 276 290) no Hoare annotation was computed. [2020-12-23 05:36:20,805 INFO L189 CegarLoopUtils]: For program point L293(lines 293 304) no Hoare annotation was computed. [2020-12-23 05:36:20,805 INFO L189 CegarLoopUtils]: For program point L145(lines 145 147) no Hoare annotation was computed. [2020-12-23 05:36:20,806 INFO L189 CegarLoopUtils]: For program point L261(lines 261 275) no Hoare annotation was computed. [2020-12-23 05:36:20,806 INFO L189 CegarLoopUtils]: For program point L344(lines 344 346) no Hoare annotation was computed. [2020-12-23 05:36:20,806 INFO L189 CegarLoopUtils]: For program point L278(lines 278 288) no Hoare annotation was computed. [2020-12-23 05:36:20,806 INFO L189 CegarLoopUtils]: For program point L245(lines 245 260) no Hoare annotation was computed. [2020-12-23 05:36:20,806 INFO L185 CegarLoopUtils]: At program point L345(lines 20 363) the Hoare annotation is: false [2020-12-23 05:36:20,806 INFO L189 CegarLoopUtils]: For program point L329(lines 329 331) no Hoare annotation was computed. [2020-12-23 05:36:20,807 INFO L189 CegarLoopUtils]: For program point L263(lines 263 273) no Hoare annotation was computed. [2020-12-23 05:36:20,807 INFO L189 CegarLoopUtils]: For program point L230(lines 230 244) no Hoare annotation was computed. [2020-12-23 05:36:20,807 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 05:36:20,807 INFO L189 CegarLoopUtils]: For program point L313(lines 313 315) no Hoare annotation was computed. [2020-12-23 05:36:20,807 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 362) no Hoare annotation was computed. [2020-12-23 05:36:20,807 INFO L189 CegarLoopUtils]: For program point L247(lines 247 258) no Hoare annotation was computed. [2020-12-23 05:36:20,808 INFO L189 CegarLoopUtils]: For program point L297(lines 297 299) no Hoare annotation was computed. [2020-12-23 05:36:20,808 INFO L189 CegarLoopUtils]: For program point L215(lines 215 229) no Hoare annotation was computed. [2020-12-23 05:36:20,808 INFO L189 CegarLoopUtils]: For program point L232(lines 232 242) no Hoare annotation was computed. [2020-12-23 05:36:20,808 INFO L189 CegarLoopUtils]: For program point L199(lines 199 214) no Hoare annotation was computed. [2020-12-23 05:36:20,808 INFO L189 CegarLoopUtils]: For program point L282(lines 282 284) no Hoare annotation was computed. [2020-12-23 05:36:20,808 INFO L189 CegarLoopUtils]: For program point L51(lines 51 69) no Hoare annotation was computed. [2020-12-23 05:36:20,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:36:20 BoogieIcfgContainer [2020-12-23 05:36:20,820 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 05:36:20,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 05:36:20,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 05:36:20,821 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 05:36:20,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:20" (3/4) ... [2020-12-23 05:36:20,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 05:36:20,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-23 05:36:20,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 05:36:20,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 05:36:20,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 05:36:20,897 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/psyco/psyco_math_1.c-witness.graphml [2020-12-23 05:36:20,897 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 05:36:20,900 INFO L168 Benchmark]: Toolchain (without parser) took 1854.46 ms. Allocated memory is still 165.7 MB. Free memory was 140.4 MB in the beginning and 102.5 MB in the end (delta: 37.9 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2020-12-23 05:36:20,901 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 165.7 MB. Free memory is still 138.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 05:36:20,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.76 ms. Allocated memory is still 165.7 MB. Free memory was 140.2 MB in the beginning and 127.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-23 05:36:20,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.93 ms. Allocated memory is still 165.7 MB. Free memory was 127.7 MB in the beginning and 125.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 05:36:20,908 INFO L168 Benchmark]: Boogie Preprocessor took 41.56 ms. Allocated memory is still 165.7 MB. Free memory was 125.1 MB in the beginning and 123.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 05:36:20,912 INFO L168 Benchmark]: RCFGBuilder took 706.96 ms. Allocated memory is still 165.7 MB. Free memory was 123.3 MB in the beginning and 127.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2020-12-23 05:36:20,913 INFO L168 Benchmark]: TraceAbstraction took 563.72 ms. Allocated memory is still 165.7 MB. Free memory was 127.1 MB in the beginning and 105.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 05:36:20,915 INFO L168 Benchmark]: Witness Printer took 77.04 ms. Allocated memory is still 165.7 MB. Free memory was 105.1 MB in the beginning and 102.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 05:36:20,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 165.7 MB. Free memory is still 138.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 377.76 ms. Allocated memory is still 165.7 MB. Free memory was 140.2 MB in the beginning and 127.8 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.93 ms. Allocated memory is still 165.7 MB. Free memory was 127.7 MB in the beginning and 125.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.56 ms. Allocated memory is still 165.7 MB. Free memory was 125.1 MB in the beginning and 123.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 706.96 ms. Allocated memory is still 165.7 MB. Free memory was 123.3 MB in the beginning and 127.1 MB in the end (delta: -3.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 563.72 ms. Allocated memory is still 165.7 MB. Free memory was 127.1 MB in the beginning and 105.1 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Witness Printer took 77.04 ms. Allocated memory is still 165.7 MB. Free memory was 105.1 MB in the beginning and 102.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 362]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...