/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 06:05:12,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:05:12,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:05:12,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:05:12,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:05:12,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:05:12,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:05:12,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:05:12,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:05:12,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:05:12,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:05:12,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:05:12,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:05:12,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:05:12,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:05:12,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:05:12,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:05:12,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:05:12,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:05:12,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:05:12,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:05:12,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:05:12,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:05:12,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:05:12,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 06:05:12,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 06:05:12,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 06:05:12,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 06:05:12,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 06:05:12,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 06:05:12,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 06:05:12,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 06:05:12,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 06:05:12,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 06:05:12,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 06:05:12,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 06:05:12,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 06:05:12,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 06:05:12,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:05:12,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:05:12,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:05:12,105 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-13 06:05:12,132 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:05:12,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:05:12,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:05:12,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:05:12,134 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:05:12,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:05:12,135 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:05:12,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:05:12,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:05:12,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:05:12,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 06:05:12,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 06:05:12,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:05:12,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:05:12,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:05:12,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:05:12,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 06:05:12,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 06:05:12,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 06:05:12,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 06:05:12,137 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-13 06:05:12,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:05:12,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:05:12,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:05:12,448 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:05:12,448 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:05:12,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2022-12-13 06:05:13,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:05:13,753 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:05:13,754 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2022-12-13 06:05:13,762 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7128815a9/b48455f6cdcc480b8e93b4e3152e598d/FLAGf831f6a53 [2022-12-13 06:05:13,772 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7128815a9/b48455f6cdcc480b8e93b4e3152e598d [2022-12-13 06:05:13,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:05:13,774 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 06:05:13,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:05:13,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:05:13,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:05:13,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:05:13" (1/1) ... [2022-12-13 06:05:13,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15957802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:13, skipping insertion in model container [2022-12-13 06:05:13,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:05:13" (1/1) ... [2022-12-13 06:05:13,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:05:13,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:05:13,945 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 06:05:14,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,019 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,021 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2022-12-13 06:05:14,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,023 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,029 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2022-12-13 06:05:14,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:05:14,046 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 06:05:14,068 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 06:05:14,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,095 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,097 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2022-12-13 06:05:14,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,101 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2022-12-13 06:05:14,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:05:14,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:05:14,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:05:14,137 INFO L208 MainTranslator]: Completed translation [2022-12-13 06:05:14,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14 WrapperNode [2022-12-13 06:05:14,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:05:14,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 06:05:14,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 06:05:14,139 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 06:05:14,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,183 INFO L138 Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-12-13 06:05:14,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 06:05:14,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 06:05:14,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 06:05:14,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 06:05:14,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,199 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,203 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 06:05:14,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 06:05:14,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 06:05:14,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 06:05:14,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (1/1) ... [2022-12-13 06:05:14,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:05:14,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 06:05:14,257 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) [2022-12-13 06:05:14,264 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 [2022-12-13 06:05:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 06:05:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-12-13 06:05:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-12-13 06:05:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-13 06:05:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-13 06:05:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 06:05:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 06:05:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 06:05:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 06:05:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 06:05:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 06:05:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 06:05:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 06:05:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 06:05:14,293 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 06:05:14,375 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 06:05:14,376 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 06:05:14,549 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 06:05:14,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 06:05:14,554 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 06:05:14,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:05:14 BoogieIcfgContainer [2022-12-13 06:05:14,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 06:05:14,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 06:05:14,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 06:05:14,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 06:05:14,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:05:13" (1/3) ... [2022-12-13 06:05:14,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1477428c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:05:14, skipping insertion in model container [2022-12-13 06:05:14,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:05:14" (2/3) ... [2022-12-13 06:05:14,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1477428c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:05:14, skipping insertion in model container [2022-12-13 06:05:14,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:05:14" (3/3) ... [2022-12-13 06:05:14,561 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2022-12-13 06:05:14,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 06:05:14,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 06:05:14,578 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 06:05:14,654 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 06:05:14,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 172 flow [2022-12-13 06:05:14,728 INFO L130 PetriNetUnfolder]: 6/76 cut-off events. [2022-12-13 06:05:14,728 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 06:05:14,733 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 76 events. 6/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-13 06:05:14,733 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 78 transitions, 172 flow [2022-12-13 06:05:14,738 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 67 transitions, 143 flow [2022-12-13 06:05:14,739 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:14,769 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 67 transitions, 143 flow [2022-12-13 06:05:14,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 67 transitions, 143 flow [2022-12-13 06:05:14,799 INFO L130 PetriNetUnfolder]: 6/67 cut-off events. [2022-12-13 06:05:14,799 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 06:05:14,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 67 events. 6/67 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 75 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-13 06:05:14,802 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 67 transitions, 143 flow [2022-12-13 06:05:14,802 INFO L226 LiptonReduction]: Number of co-enabled transitions 1188 [2022-12-13 06:05:16,086 INFO L241 LiptonReduction]: Total number of compositions: 43 [2022-12-13 06:05:16,096 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 06:05:16,100 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=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, 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;@27db1972, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:05:16,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-13 06:05:16,103 INFO L130 PetriNetUnfolder]: 2/30 cut-off events. [2022-12-13 06:05:16,103 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:05:16,104 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:16,104 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:16,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:16,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:16,107 INFO L85 PathProgramCache]: Analyzing trace with hash 612009507, now seen corresponding path program 1 times [2022-12-13 06:05:16,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:16,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418047677] [2022-12-13 06:05:16,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:16,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:16,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:16,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:16,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418047677] [2022-12-13 06:05:16,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418047677] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:16,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:16,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:05:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749210442] [2022-12-13 06:05:16,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:16,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:16,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:16,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:16,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:16,318 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 48 [2022-12-13 06:05:16,319 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 48 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-12-13 06:05:16,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:16,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 48 [2022-12-13 06:05:16,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:16,461 INFO L130 PetriNetUnfolder]: 452/939 cut-off events. [2022-12-13 06:05:16,462 INFO L131 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2022-12-13 06:05:16,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1783 conditions, 939 events. 452/939 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 6129 event pairs, 204 based on Foata normal form. 35/546 useless extension candidates. Maximal degree in co-relation 1629. Up to 418 conditions per place. [2022-12-13 06:05:16,467 INFO L137 encePairwiseOnDemand]: 39/48 looper letters, 34 selfloop transitions, 5 changer transitions 3/60 dead transitions. [2022-12-13 06:05:16,468 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 216 flow [2022-12-13 06:05:16,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:16,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2022-12-13 06:05:16,475 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2022-12-13 06:05:16,478 INFO L295 CegarLoopForPetriNet]: 52 programPoint places, 1 predicate places. [2022-12-13 06:05:16,478 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 60 transitions, 216 flow [2022-12-13 06:05:16,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 57 transitions, 204 flow [2022-12-13 06:05:16,485 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:16,486 INFO L89 Accepts]: Start accepts. Operand has 53 places, 57 transitions, 204 flow [2022-12-13 06:05:16,488 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:16,488 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:16,488 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 57 transitions, 204 flow [2022-12-13 06:05:16,491 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 57 transitions, 204 flow [2022-12-13 06:05:16,492 INFO L226 LiptonReduction]: Number of co-enabled transitions 698 [2022-12-13 06:05:16,519 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 06:05:16,520 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 35 [2022-12-13 06:05:16,520 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 57 transitions, 204 flow [2022-12-13 06:05:16,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2022-12-13 06:05:16,521 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:16,521 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:16,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 06:05:16,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:16,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:16,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2024234379, now seen corresponding path program 1 times [2022-12-13 06:05:16,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:16,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961311879] [2022-12-13 06:05:16,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:16,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:16,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:16,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:16,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961311879] [2022-12-13 06:05:16,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961311879] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:16,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:16,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:05:16,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650283961] [2022-12-13 06:05:16,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:16,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:05:16,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:16,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:05:16,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:05:16,570 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 46 [2022-12-13 06:05:16,570 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 57 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2022-12-13 06:05:16,570 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:16,570 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 46 [2022-12-13 06:05:16,570 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:16,688 INFO L130 PetriNetUnfolder]: 386/836 cut-off events. [2022-12-13 06:05:16,688 INFO L131 PetriNetUnfolder]: For 102/232 co-relation queries the response was YES. [2022-12-13 06:05:16,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 836 events. 386/836 cut-off events. For 102/232 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 5531 event pairs, 226 based on Foata normal form. 32/509 useless extension candidates. Maximal degree in co-relation 2100. Up to 430 conditions per place. [2022-12-13 06:05:16,693 INFO L137 encePairwiseOnDemand]: 40/46 looper letters, 29 selfloop transitions, 4 changer transitions 6/56 dead transitions. [2022-12-13 06:05:16,693 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 56 transitions, 276 flow [2022-12-13 06:05:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:05:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:05:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2022-12-13 06:05:16,695 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-13 06:05:16,697 INFO L295 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2022-12-13 06:05:16,697 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 56 transitions, 276 flow [2022-12-13 06:05:16,699 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 50 transitions, 239 flow [2022-12-13 06:05:16,704 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:16,704 INFO L89 Accepts]: Start accepts. Operand has 53 places, 50 transitions, 239 flow [2022-12-13 06:05:16,704 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:16,705 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:16,705 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 50 transitions, 239 flow [2022-12-13 06:05:16,708 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 50 transitions, 239 flow [2022-12-13 06:05:16,708 INFO L226 LiptonReduction]: Number of co-enabled transitions 608 [2022-12-13 06:05:16,737 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 06:05:16,738 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 34 [2022-12-13 06:05:16,739 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 239 flow [2022-12-13 06:05:16,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2022-12-13 06:05:16,739 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:16,739 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:16,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 06:05:16,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:16,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:16,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2108346216, now seen corresponding path program 1 times [2022-12-13 06:05:16,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:16,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956013848] [2022-12-13 06:05:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:16,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:16,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956013848] [2022-12-13 06:05:16,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956013848] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:16,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:16,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 06:05:16,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701527348] [2022-12-13 06:05:16,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:16,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 06:05:16,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:16,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 06:05:16,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 06:05:16,861 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 44 [2022-12-13 06:05:16,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 239 flow. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2022-12-13 06:05:16,862 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:16,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 44 [2022-12-13 06:05:16,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:17,173 INFO L130 PetriNetUnfolder]: 1124/2026 cut-off events. [2022-12-13 06:05:17,173 INFO L131 PetriNetUnfolder]: For 623/623 co-relation queries the response was YES. [2022-12-13 06:05:17,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6505 conditions, 2026 events. 1124/2026 cut-off events. For 623/623 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 11652 event pairs, 195 based on Foata normal form. 0/1449 useless extension candidates. Maximal degree in co-relation 6178. Up to 1017 conditions per place. [2022-12-13 06:05:17,179 INFO L137 encePairwiseOnDemand]: 31/44 looper letters, 59 selfloop transitions, 12 changer transitions 69/147 dead transitions. [2022-12-13 06:05:17,179 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 147 transitions, 975 flow [2022-12-13 06:05:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 06:05:17,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-13 06:05:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 223 transitions. [2022-12-13 06:05:17,181 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5068181818181818 [2022-12-13 06:05:17,182 INFO L295 CegarLoopForPetriNet]: 52 programPoint places, 11 predicate places. [2022-12-13 06:05:17,182 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 147 transitions, 975 flow [2022-12-13 06:05:17,186 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 78 transitions, 504 flow [2022-12-13 06:05:17,195 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:05:17,195 INFO L89 Accepts]: Start accepts. Operand has 53 places, 78 transitions, 504 flow [2022-12-13 06:05:17,196 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:05:17,196 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:17,196 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 78 transitions, 504 flow [2022-12-13 06:05:17,198 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 78 transitions, 504 flow [2022-12-13 06:05:17,198 INFO L226 LiptonReduction]: Number of co-enabled transitions 354 [2022-12-13 06:05:17,212 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 06:05:17,213 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 18 [2022-12-13 06:05:17,213 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 79 transitions, 518 flow [2022-12-13 06:05:17,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2022-12-13 06:05:17,214 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:05:17,214 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:05:17,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 06:05:17,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-13 06:05:17,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:05:17,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1080408280, now seen corresponding path program 1 times [2022-12-13 06:05:17,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:05:17,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416819595] [2022-12-13 06:05:17,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:05:17,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:05:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:05:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:05:17,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:05:17,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416819595] [2022-12-13 06:05:17,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416819595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:05:17,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:05:17,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 06:05:17,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374609795] [2022-12-13 06:05:17,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:05:17,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 06:05:17,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:05:17,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 06:05:17,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 06:05:17,281 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 38 [2022-12-13 06:05:17,282 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 79 transitions, 518 flow. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2022-12-13 06:05:17,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:05:17,282 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 38 [2022-12-13 06:05:17,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:05:17,457 INFO L130 PetriNetUnfolder]: 636/1129 cut-off events. [2022-12-13 06:05:17,457 INFO L131 PetriNetUnfolder]: For 847/847 co-relation queries the response was YES. [2022-12-13 06:05:17,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4436 conditions, 1129 events. 636/1129 cut-off events. For 847/847 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5492 event pairs, 21 based on Foata normal form. 0/891 useless extension candidates. Maximal degree in co-relation 4381. Up to 591 conditions per place. [2022-12-13 06:05:17,460 INFO L137 encePairwiseOnDemand]: 25/38 looper letters, 0 selfloop transitions, 0 changer transitions 173/173 dead transitions. [2022-12-13 06:05:17,460 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 173 transitions, 1451 flow [2022-12-13 06:05:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 06:05:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-13 06:05:17,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 162 transitions. [2022-12-13 06:05:17,462 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4263157894736842 [2022-12-13 06:05:17,462 INFO L295 CegarLoopForPetriNet]: 52 programPoint places, 8 predicate places. [2022-12-13 06:05:17,463 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 173 transitions, 1451 flow [2022-12-13 06:05:17,464 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:17,467 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:05:17,467 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:17,468 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:17,468 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 06:05:17,468 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:05:17,469 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2 [2022-12-13 06:05:17,469 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 06:05:17,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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) [2022-12-13 06:05:17,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-13 06:05:17,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-13 06:05:17,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-13 06:05:17,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-13 06:05:17,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2022-12-13 06:05:17,471 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-13 06:05:17,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 06:05:17,472 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 06:05:17,475 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 06:05:17,475 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 06:05:17,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:05:17 BasicIcfg [2022-12-13 06:05:17,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 06:05:17,477 INFO L158 Benchmark]: Toolchain (without parser) took 3702.78ms. Allocated memory was 235.9MB in the beginning and 329.3MB in the end (delta: 93.3MB). Free memory was 192.7MB in the beginning and 120.1MB in the end (delta: 72.6MB). Peak memory consumption was 166.5MB. Max. memory is 8.0GB. [2022-12-13 06:05:17,477 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 235.9MB. Free memory was 211.9MB in the beginning and 211.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 06:05:17,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.39ms. Allocated memory is still 235.9MB. Free memory was 192.1MB in the beginning and 169.5MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-13 06:05:17,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.22ms. Allocated memory is still 235.9MB. Free memory was 169.5MB in the beginning and 167.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-13 06:05:17,478 INFO L158 Benchmark]: Boogie Preprocessor took 20.35ms. Allocated memory is still 235.9MB. Free memory was 167.5MB in the beginning and 165.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 06:05:17,478 INFO L158 Benchmark]: RCFGBuilder took 349.63ms. Allocated memory is still 235.9MB. Free memory was 165.9MB in the beginning and 152.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-13 06:05:17,478 INFO L158 Benchmark]: TraceAbstraction took 2919.85ms. Allocated memory was 235.9MB in the beginning and 329.3MB in the end (delta: 93.3MB). Free memory was 151.3MB in the beginning and 120.1MB in the end (delta: 31.2MB). Peak memory consumption was 125.6MB. Max. memory is 8.0GB. [2022-12-13 06:05:17,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 235.9MB. Free memory was 211.9MB in the beginning and 211.8MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.39ms. Allocated memory is still 235.9MB. Free memory was 192.1MB in the beginning and 169.5MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.22ms. Allocated memory is still 235.9MB. Free memory was 169.5MB in the beginning and 167.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.35ms. Allocated memory is still 235.9MB. Free memory was 167.5MB in the beginning and 165.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 349.63ms. Allocated memory is still 235.9MB. Free memory was 165.9MB in the beginning and 152.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2919.85ms. Allocated memory was 235.9MB in the beginning and 329.3MB in the end (delta: 93.3MB). Free memory was 151.3MB in the beginning and 120.1MB in the end (delta: 31.2MB). Peak memory consumption was 125.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 68 PlacesBefore, 52 PlacesAfterwards, 67 TransitionsBefore, 48 TransitionsAfterwards, 1188 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 17 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 43 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1316, independent: 1231, independent conditional: 1231, independent unconditional: 0, dependent: 85, dependent conditional: 85, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1316, independent: 1231, independent conditional: 0, independent unconditional: 1231, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1316, independent: 1231, independent conditional: 0, independent unconditional: 1231, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1316, independent: 1231, independent conditional: 0, independent unconditional: 1231, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 796, independent: 762, independent conditional: 0, independent unconditional: 762, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 796, independent: 750, independent conditional: 0, independent unconditional: 750, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 46, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1316, independent: 469, independent conditional: 0, independent unconditional: 469, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 796, unknown conditional: 0, unknown unconditional: 796] , Statistics on independence cache: Total cache size (in pairs): 1295, Positive cache size: 1261, Positive conditional cache size: 0, Positive unconditional cache size: 1261, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 53 PlacesBefore, 53 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 253, independent: 228, independent conditional: 228, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 253, independent: 228, independent conditional: 149, independent unconditional: 79, dependent: 25, dependent conditional: 8, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 253, independent: 228, independent conditional: 1, independent unconditional: 227, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 253, independent: 228, independent conditional: 1, independent unconditional: 227, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 117, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 117, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 253, independent: 121, independent conditional: 1, independent unconditional: 120, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 117, unknown conditional: 0, unknown unconditional: 117] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 156, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 53 PlacesBefore, 54 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 608 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 176, independent: 154, independent conditional: 154, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 176, independent: 154, independent conditional: 114, independent unconditional: 40, dependent: 22, dependent conditional: 8, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 176, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 176, independent: 154, independent conditional: 0, independent unconditional: 154, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 176, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 119, Positive cache size: 109, Positive conditional cache size: 0, Positive unconditional cache size: 109, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 122, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 53 PlacesBefore, 54 PlacesAfterwards, 78 TransitionsBefore, 79 TransitionsAfterwards, 354 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 111, Positive conditional cache size: 2, Positive unconditional cache size: 109, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 20, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 123, Positive cache size: 111, Positive conditional cache size: 2, Positive unconditional cache size: 109, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 753]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 725]: 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 with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 180 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 763 IncrementalHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 43 mSDtfsCounter, 763 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=518occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 06:05:17,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...