/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:21:48,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:21:48,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:21:48,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:21:48,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:21:48,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:21:48,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:21:48,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:21:48,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:21:48,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:21:48,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:21:48,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:21:48,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:21:48,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:21:48,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:21:48,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:21:48,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:21:48,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:21:48,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:21:48,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:21:48,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:21:48,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:21:48,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:21:48,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:21:48,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:21:48,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:21:48,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:21:48,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:21:48,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:21:48,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:21:48,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:21:48,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:21:48,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:21:48,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:21:48,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:21:48,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:21:48,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:21:48,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:21:48,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:21:48,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:21:48,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:21:48,993 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 [2023-03-31 00:21:49,018 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:21:49,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:21:49,019 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:21:49,019 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:21:49,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:21:49,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:21:49,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:21:49,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:21:49,022 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:21:49,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:21:49,023 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:21:49,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:21:49,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:21:49,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:21:49,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:21:49,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:21:49,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:21:49,024 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:21:49,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:21:49,024 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:21:49,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:21:49,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:21:49,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:21:49,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:21:49,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:21:49,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:21:49,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:21:49,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:21:49,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:21:49,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:21:49,025 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:21:49,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:21:49,026 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:21:49,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:21:49,026 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:21:49,026 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:21:49,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:21:49,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:21:49,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:21:49,283 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:21:49,283 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:21:49,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2023-03-31 00:21:50,445 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:21:50,716 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:21:50,716 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2023-03-31 00:21:50,724 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b35f4c70/da7005185f8248cbbfe12a831ab6da8e/FLAGff2a8f02f [2023-03-31 00:21:50,737 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b35f4c70/da7005185f8248cbbfe12a831ab6da8e [2023-03-31 00:21:50,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:21:50,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:21:50,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:21:50,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:21:50,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:21:50,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:21:50" (1/1) ... [2023-03-31 00:21:50,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d815010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:50, skipping insertion in model container [2023-03-31 00:21:50,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:21:50" (1/1) ... [2023-03-31 00:21:50,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:21:50,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:21:51,002 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2023-03-31 00:21:51,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:21:51,017 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:21:51,080 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c[11358,11371] [2023-03-31 00:21:51,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:21:51,091 WARN L667 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:21:51,097 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:21:51,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51 WrapperNode [2023-03-31 00:21:51,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:21:51,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:21:51,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:21:51,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:21:51,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:21:51,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:21:51,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:21:51,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:21:51,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (1/1) ... [2023-03-31 00:21:51,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:21:51,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:21:51,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:21:51,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:21:51,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:21:51,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2023-03-31 00:21:51,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2023-03-31 00:21:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2023-03-31 00:21:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2023-03-31 00:21:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:21:51,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 00:21:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:21:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:21:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:21:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:21:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 00:21:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-03-31 00:21:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-03-31 00:21:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-03-31 00:21:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2023-03-31 00:21:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 00:21:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:21:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 00:21:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:21:51,403 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:21:51,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:21:52,015 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:21:52,026 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:21:52,026 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-03-31 00:21:52,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:21:52 BoogieIcfgContainer [2023-03-31 00:21:52,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:21:52,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:21:52,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:21:52,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:21:52,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:21:50" (1/3) ... [2023-03-31 00:21:52,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678cd59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:21:52, skipping insertion in model container [2023-03-31 00:21:52,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:21:51" (2/3) ... [2023-03-31 00:21:52,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678cd59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:21:52, skipping insertion in model container [2023-03-31 00:21:52,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:21:52" (3/3) ... [2023-03-31 00:21:52,039 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2023-03-31 00:21:52,058 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:21:52,058 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:21:52,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:21:52,132 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@241ba772, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:21:52,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:21:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 102 states have (on average 1.5490196078431373) internal successors, (158), 104 states have internal predecessors, (158), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-03-31 00:21:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 00:21:52,146 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:21:52,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:21:52,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:21:52,151 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:21:52,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1767697101, now seen corresponding path program 1 times [2023-03-31 00:21:52,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:21:52,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662627341] [2023-03-31 00:21:52,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:21:52,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:21:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:21:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:21:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-03-31 00:21:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 00:21:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:21:52,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:21:52,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662627341] [2023-03-31 00:21:52,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662627341] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:21:52,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:21:52,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 00:21:52,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502276236] [2023-03-31 00:21:52,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:21:52,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 00:21:52,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:21:52,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 00:21:52,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 00:21:52,686 INFO L87 Difference]: Start difference. First operand has 131 states, 102 states have (on average 1.5490196078431373) internal successors, (158), 104 states have internal predecessors, (158), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-03-31 00:21:53,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:21:53,402 INFO L93 Difference]: Finished difference Result 249 states and 375 transitions. [2023-03-31 00:21:53,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 00:21:53,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2023-03-31 00:21:53,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:21:53,413 INFO L225 Difference]: With dead ends: 249 [2023-03-31 00:21:53,413 INFO L226 Difference]: Without dead ends: 122 [2023-03-31 00:21:53,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 00:21:53,420 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 258 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:21:53,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 14 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:21:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-03-31 00:21:53,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2023-03-31 00:21:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 97 states have (on average 1.4742268041237114) internal successors, (143), 98 states have internal predecessors, (143), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-03-31 00:21:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 171 transitions. [2023-03-31 00:21:53,485 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 171 transitions. Word has length 43 [2023-03-31 00:21:53,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:21:53,485 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 171 transitions. [2023-03-31 00:21:53,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-03-31 00:21:53,485 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 171 transitions. [2023-03-31 00:21:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 00:21:53,488 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:21:53,488 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:21:53,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:21:53,489 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:21:53,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:21:53,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1095402191, now seen corresponding path program 1 times [2023-03-31 00:21:53,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:21:53,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53363949] [2023-03-31 00:21:53,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:21:53,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:21:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:53,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:21:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:21:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-03-31 00:21:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:53,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 00:21:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:21:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 00:21:53,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:21:53,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53363949] [2023-03-31 00:21:53,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53363949] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:21:53,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:21:53,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:21:53,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473228083] [2023-03-31 00:21:53,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:21:53,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:21:53,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:21:53,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:21:53,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 00:21:53,808 INFO L87 Difference]: Start difference. First operand 122 states and 171 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-03-31 00:21:54,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:21:54,640 INFO L93 Difference]: Finished difference Result 150 states and 205 transitions. [2023-03-31 00:21:54,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 00:21:54,643 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 47 [2023-03-31 00:21:54,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:21:54,644 INFO L225 Difference]: With dead ends: 150 [2023-03-31 00:21:54,644 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 00:21:54,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:21:54,646 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 253 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:21:54,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 9 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:21:54,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 00:21:54,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 00:21:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 00:21:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 00:21:54,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2023-03-31 00:21:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:21:54,648 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 00:21:54,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-03-31 00:21:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 00:21:54,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 00:21:54,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 00:21:54,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:21:54,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 00:21:54,954 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-03-31 00:21:54,954 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2023-03-31 00:21:54,954 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-03-31 00:21:54,955 INFO L899 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2023-03-31 00:21:54,955 INFO L899 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2023-03-31 00:21:54,955 INFO L899 garLoopResultBuilder]: For program point L209-1(line 209) no Hoare annotation was computed. [2023-03-31 00:21:54,955 INFO L899 garLoopResultBuilder]: For program point L209-3(line 209) no Hoare annotation was computed. [2023-03-31 00:21:54,955 INFO L902 garLoopResultBuilder]: At program point L209-4(lines 209 225) the Hoare annotation is: true [2023-03-31 00:21:54,955 INFO L899 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2023-03-31 00:21:54,955 INFO L899 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2023-03-31 00:21:54,955 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2023-03-31 00:21:54,957 INFO L899 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2023-03-31 00:21:54,957 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-03-31 00:21:54,957 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-03-31 00:21:54,957 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-03-31 00:21:54,957 INFO L899 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2023-03-31 00:21:54,957 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-03-31 00:21:54,957 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 194 248) no Hoare annotation was computed. [2023-03-31 00:21:54,957 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-03-31 00:21:54,958 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2023-03-31 00:21:54,958 INFO L899 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2023-03-31 00:21:54,958 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2023-03-31 00:21:54,958 INFO L899 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2023-03-31 00:21:54,958 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-03-31 00:21:54,959 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2023-03-31 00:21:54,959 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2023-03-31 00:21:54,959 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-03-31 00:21:54,959 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-03-31 00:21:54,959 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-03-31 00:21:54,959 INFO L899 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2023-03-31 00:21:54,960 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-03-31 00:21:54,960 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2023-03-31 00:21:54,960 INFO L899 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2023-03-31 00:21:54,960 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-03-31 00:21:54,960 INFO L899 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2023-03-31 00:21:54,960 INFO L899 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2023-03-31 00:21:54,960 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2023-03-31 00:21:54,961 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-03-31 00:21:54,964 INFO L895 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-03-31 00:21:54,965 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2023-03-31 00:21:54,965 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-03-31 00:21:54,965 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-03-31 00:21:54,965 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2023-03-31 00:21:54,965 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-03-31 00:21:54,965 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-03-31 00:21:54,966 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2023-03-31 00:21:54,966 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-03-31 00:21:54,966 INFO L899 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2023-03-31 00:21:54,966 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 249 279) the Hoare annotation is: true [2023-03-31 00:21:54,966 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-03-31 00:21:54,966 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2023-03-31 00:21:54,966 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2023-03-31 00:21:54,967 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-03-31 00:21:54,969 INFO L895 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-03-31 00:21:54,969 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-03-31 00:21:54,969 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2023-03-31 00:21:54,969 INFO L899 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2023-03-31 00:21:54,969 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2023-03-31 00:21:54,969 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-03-31 00:21:54,969 INFO L899 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2023-03-31 00:21:54,970 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2023-03-31 00:21:54,970 INFO L899 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2023-03-31 00:21:54,970 INFO L895 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2023-03-31 00:21:54,970 INFO L895 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2023-03-31 00:21:54,970 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2023-03-31 00:21:54,970 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 5 7) no Hoare annotation was computed. [2023-03-31 00:21:54,970 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2023-03-31 00:21:54,971 INFO L899 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2023-03-31 00:21:54,972 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2023-03-31 00:21:54,972 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-03-31 00:21:54,972 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2023-03-31 00:21:54,972 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2023-03-31 00:21:54,972 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2023-03-31 00:21:54,972 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-03-31 00:21:54,972 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-03-31 00:21:54,972 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-03-31 00:21:54,972 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2023-03-31 00:21:54,973 INFO L902 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2023-03-31 00:21:54,973 INFO L899 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2023-03-31 00:21:54,973 INFO L899 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2023-03-31 00:21:54,973 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-03-31 00:21:54,973 INFO L899 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2023-03-31 00:21:54,975 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2023-03-31 00:21:54,975 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-03-31 00:21:54,978 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-03-31 00:21:54,980 INFO L899 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2023-03-31 00:21:54,981 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-03-31 00:21:54,981 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-03-31 00:21:54,981 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-03-31 00:21:54,981 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-03-31 00:21:54,981 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-03-31 00:21:54,983 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-03-31 00:21:54,983 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-03-31 00:21:54,983 INFO L899 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2023-03-31 00:21:54,984 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-03-31 00:21:54,984 INFO L902 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2023-03-31 00:21:54,984 INFO L895 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short25| [2023-03-31 00:21:54,984 INFO L899 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2023-03-31 00:21:54,984 INFO L899 garLoopResultBuilder]: For program point L298-3(line 298) no Hoare annotation was computed. [2023-03-31 00:21:54,984 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2023-03-31 00:21:54,985 INFO L899 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 300 330) the Hoare annotation is: true [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2023-03-31 00:21:54,986 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-03-31 00:21:54,987 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2023-03-31 00:21:54,988 INFO L899 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2023-03-31 00:21:54,988 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2023-03-31 00:21:54,988 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 459 466) the Hoare annotation is: true [2023-03-31 00:21:54,988 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2023-03-31 00:21:54,991 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-03-31 00:21:54,995 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 00:21:55,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:21:55 BoogieIcfgContainer [2023-03-31 00:21:55,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 00:21:55,012 INFO L158 Benchmark]: Toolchain (without parser) took 4270.80ms. Allocated memory was 189.8MB in the beginning and 310.4MB in the end (delta: 120.6MB). Free memory was 136.9MB in the beginning and 226.2MB in the end (delta: -89.3MB). Peak memory consumption was 157.5MB. Max. memory is 8.0GB. [2023-03-31 00:21:55,013 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:21:55,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.73ms. Allocated memory is still 189.8MB. Free memory was 136.9MB in the beginning and 119.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-03-31 00:21:55,015 INFO L158 Benchmark]: Boogie Preprocessor took 86.95ms. Allocated memory is still 189.8MB. Free memory was 119.4MB in the beginning and 115.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-03-31 00:21:55,015 INFO L158 Benchmark]: RCFGBuilder took 842.34ms. Allocated memory was 189.8MB in the beginning and 310.4MB in the end (delta: 120.6MB). Free memory was 115.6MB in the beginning and 260.8MB in the end (delta: -145.2MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. [2023-03-31 00:21:55,015 INFO L158 Benchmark]: TraceAbstraction took 2979.55ms. Allocated memory is still 310.4MB. Free memory was 260.3MB in the beginning and 226.2MB in the end (delta: 34.1MB). Peak memory consumption was 159.9MB. Max. memory is 8.0GB. [2023-03-31 00:21:55,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.73ms. Allocated memory is still 189.8MB. Free memory was 136.9MB in the beginning and 119.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 86.95ms. Allocated memory is still 189.8MB. Free memory was 119.4MB in the beginning and 115.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 842.34ms. Allocated memory was 189.8MB in the beginning and 310.4MB in the end (delta: 120.6MB). Free memory was 115.6MB in the beginning and 260.8MB in the end (delta: -145.2MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2979.55ms. Allocated memory is still 310.4MB. Free memory was 260.3MB in the beginning and 226.2MB in the end (delta: 34.1MB). Peak memory consumption was 159.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 524 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 511 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 927 IncrementalHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 12 mSDtfsCounter, 927 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 86 PreInvPairs, 103 NumberOfFragments, 206 HoareAnnotationTreeSize, 86 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 35 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 00:21:55,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...