/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:09:11,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:09:11,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:09:11,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:09:11,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:09:11,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:09:11,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:09:11,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:09:11,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:09:11,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:09:11,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:09:11,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:09:11,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:09:11,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:09:11,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:09:11,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:09:11,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:09:11,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:09:11,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:09:11,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:09:11,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:09:11,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:09:11,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:09:11,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:09:11,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:09:11,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:09:11,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:09:11,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:09:11,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:09:11,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:09:11,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:09:11,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:09:11,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:09:11,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:09:11,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:09:11,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:09:11,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:09:11,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:09:11,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:09:11,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:09:11,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:09:11,271 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 [2022-12-06 01:09:11,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:09:11,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:09:11,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:09:11,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:09:11,304 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:09:11,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:09:11,305 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:09:11,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:09:11,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:09:11,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:09:11,306 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:09:11,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:09:11,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:09:11,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:09:11,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:09:11,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:09:11,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:09:11,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:09:11,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:09:11,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:09:11,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:09:11,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:09:11,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:09:11,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:09:11,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:09:11,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:09:11,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:09:11,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:09:11,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:09:11,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:09:11,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:09:11,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:09:11,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:09:11,651 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:09:11,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 01:09:12,708 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:09:12,999 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:09:13,000 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 01:09:13,020 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a39c723/b095d5872d7246d2bd3b41c5e4bd53ed/FLAG7720f7232 [2022-12-06 01:09:13,035 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5a39c723/b095d5872d7246d2bd3b41c5e4bd53ed [2022-12-06 01:09:13,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:09:13,038 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:09:13,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:09:13,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:09:13,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:09:13,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1c81d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13, skipping insertion in model container [2022-12-06 01:09:13,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:09:13,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:09:13,273 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-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i[973,986] [2022-12-06 01:09:13,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,413 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,415 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,458 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:09:13,468 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:09:13,478 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-wmm/mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i[973,986] [2022-12-06 01:09:13,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,523 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:09:13,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:09:13,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:09:13,566 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:09:13,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13 WrapperNode [2022-12-06 01:09:13,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:09:13,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:09:13,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:09:13,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:09:13,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,612 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2022-12-06 01:09:13,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:09:13,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:09:13,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:09:13,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:09:13,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,640 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:09:13,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:09:13,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:09:13,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:09:13,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (1/1) ... [2022-12-06 01:09:13,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:09:13,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:09:13,687 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) [2022-12-06 01:09:13,711 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 [2022-12-06 01:09:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:09:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:09:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:09:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:09:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:09:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 01:09:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 01:09:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 01:09:13,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 01:09:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:09:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:09:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:09:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:09:13,737 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:09:13,851 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:09:13,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:09:14,164 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:09:14,286 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:09:14,286 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:09:14,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:14 BoogieIcfgContainer [2022-12-06 01:09:14,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:09:14,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:09:14,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:09:14,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:09:14,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:09:13" (1/3) ... [2022-12-06 01:09:14,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e29b707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:09:14, skipping insertion in model container [2022-12-06 01:09:14,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:13" (2/3) ... [2022-12-06 01:09:14,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e29b707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:09:14, skipping insertion in model container [2022-12-06 01:09:14,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:14" (3/3) ... [2022-12-06 01:09:14,297 INFO L112 eAbstractionObserver]: Analyzing ICFG mix054_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2022-12-06 01:09:14,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:09:14,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:09:14,316 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:09:14,364 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:09:14,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 184 flow [2022-12-06 01:09:14,449 INFO L130 PetriNetUnfolder]: 2/85 cut-off events. [2022-12-06 01:09:14,449 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:09:14,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 85 events. 2/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-12-06 01:09:14,454 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 87 transitions, 184 flow [2022-12-06 01:09:14,457 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 85 transitions, 176 flow [2022-12-06 01:09:14,458 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:09:14,477 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 85 transitions, 176 flow [2022-12-06 01:09:14,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 85 transitions, 176 flow [2022-12-06 01:09:14,514 INFO L130 PetriNetUnfolder]: 2/85 cut-off events. [2022-12-06 01:09:14,515 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:09:14,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 85 events. 2/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 45 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-12-06 01:09:14,519 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 85 transitions, 176 flow [2022-12-06 01:09:14,519 INFO L188 LiptonReduction]: Number of co-enabled transitions 1020 [2022-12-06 01:09:18,120 INFO L203 LiptonReduction]: Total number of compositions: 68 [2022-12-06 01:09:18,131 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:09:18,136 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;@27fac434, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:09:18,136 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 01:09:18,149 INFO L130 PetriNetUnfolder]: 0/7 cut-off events. [2022-12-06 01:09:18,149 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:09:18,149 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:09:18,150 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 01:09:18,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:09:18,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:09:18,154 INFO L85 PathProgramCache]: Analyzing trace with hash 374744491, now seen corresponding path program 1 times [2022-12-06 01:09:18,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:09:18,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42419061] [2022-12-06 01:09:18,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:09:18,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:09:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:09:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:09:18,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:09:18,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42419061] [2022-12-06 01:09:18,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42419061] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:09:18,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:09:18,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:09:18,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643836390] [2022-12-06 01:09:18,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:09:18,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:09:18,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:09:18,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:09:18,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:09:18,521 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 21 [2022-12-06 01:09:18,522 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 21 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-06 01:09:18,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:09:18,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 21 [2022-12-06 01:09:18,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:09:18,650 INFO L130 PetriNetUnfolder]: 159/309 cut-off events. [2022-12-06 01:09:18,651 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:09:18,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 309 events. 159/309 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1365 event pairs, 24 based on Foata normal form. 0/276 useless extension candidates. Maximal degree in co-relation 593. Up to 220 conditions per place. [2022-12-06 01:09:18,658 INFO L137 encePairwiseOnDemand]: 16/21 looper letters, 19 selfloop transitions, 2 changer transitions 4/27 dead transitions. [2022-12-06 01:09:18,658 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 27 transitions, 110 flow [2022-12-06 01:09:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:09:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:09:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2022-12-06 01:09:18,672 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2022-12-06 01:09:18,676 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2022-12-06 01:09:18,677 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:09:18,677 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 27 transitions, 110 flow [2022-12-06 01:09:18,690 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 27 transitions, 110 flow [2022-12-06 01:09:18,690 INFO L188 LiptonReduction]: Number of co-enabled transitions 54 [2022-12-06 01:09:18,939 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 01:09:18,940 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 264 [2022-12-06 01:09:18,940 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 25 transitions, 106 flow [2022-12-06 01:09:18,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-06 01:09:18,941 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:09:18,941 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:09:18,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:09:18,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:09:18,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:09:18,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1394833564, now seen corresponding path program 1 times [2022-12-06 01:09:18,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:09:18,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119015149] [2022-12-06 01:09:18,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:09:18,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:09:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:09:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:09:19,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:09:19,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119015149] [2022-12-06 01:09:19,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119015149] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:09:19,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:09:19,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:09:19,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27551089] [2022-12-06 01:09:19,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:09:19,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:09:19,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:09:19,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:09:19,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:09:19,520 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 01:09:19,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 25 transitions, 106 flow. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-06 01:09:19,521 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:09:19,521 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 01:09:19,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:09:19,654 INFO L130 PetriNetUnfolder]: 174/315 cut-off events. [2022-12-06 01:09:19,655 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 01:09:19,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 960 conditions, 315 events. 174/315 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1160 event pairs, 39 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 947. Up to 262 conditions per place. [2022-12-06 01:09:19,656 INFO L137 encePairwiseOnDemand]: 13/17 looper letters, 17 selfloop transitions, 2 changer transitions 15/34 dead transitions. [2022-12-06 01:09:19,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 34 transitions, 210 flow [2022-12-06 01:09:19,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:09:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:09:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 36 transitions. [2022-12-06 01:09:19,658 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4235294117647059 [2022-12-06 01:09:19,658 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2022-12-06 01:09:19,658 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:09:19,658 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 34 transitions, 210 flow [2022-12-06 01:09:19,660 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 34 transitions, 210 flow [2022-12-06 01:09:19,660 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:09:19,660 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:09:19,661 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-06 01:09:19,661 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 34 transitions, 210 flow [2022-12-06 01:09:19,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-12-06 01:09:19,662 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:09:19,662 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:09:19,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:09:19,662 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:09:19,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:09:19,662 INFO L85 PathProgramCache]: Analyzing trace with hash 290158114, now seen corresponding path program 1 times [2022-12-06 01:09:19,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:09:19,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205742072] [2022-12-06 01:09:19,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:09:19,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:09:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:09:20,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:09:20,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:09:20,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205742072] [2022-12-06 01:09:20,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205742072] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:09:20,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:09:20,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:09:20,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490789713] [2022-12-06 01:09:20,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:09:20,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:09:20,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:09:20,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:09:20,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:09:20,093 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 01:09:20,093 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 34 transitions, 210 flow. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-06 01:09:20,093 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:09:20,093 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 01:09:20,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:09:20,286 INFO L130 PetriNetUnfolder]: 198/373 cut-off events. [2022-12-06 01:09:20,287 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:09:20,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1508 conditions, 373 events. 198/373 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1531 event pairs, 31 based on Foata normal form. 0/347 useless extension candidates. Maximal degree in co-relation 1492. Up to 316 conditions per place. [2022-12-06 01:09:20,293 INFO L137 encePairwiseOnDemand]: 10/17 looper letters, 24 selfloop transitions, 5 changer transitions 42/71 dead transitions. [2022-12-06 01:09:20,294 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 71 transitions, 577 flow [2022-12-06 01:09:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:09:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:09:20,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2022-12-06 01:09:20,296 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4117647058823529 [2022-12-06 01:09:20,297 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 8 predicate places. [2022-12-06 01:09:20,298 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:09:20,298 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 71 transitions, 577 flow [2022-12-06 01:09:20,303 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 71 transitions, 577 flow [2022-12-06 01:09:20,304 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:09:20,304 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:09:20,305 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8 [2022-12-06 01:09:20,305 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 71 transitions, 577 flow [2022-12-06 01:09:20,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2022-12-06 01:09:20,305 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:09:20,306 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:09:20,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:09:20,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:09:20,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:09:20,306 INFO L85 PathProgramCache]: Analyzing trace with hash 405013270, now seen corresponding path program 1 times [2022-12-06 01:09:20,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:09:20,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025670792] [2022-12-06 01:09:20,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:09:20,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:09:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:09:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:09:20,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:09:20,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025670792] [2022-12-06 01:09:20,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025670792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:09:20,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:09:20,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:09:20,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808911694] [2022-12-06 01:09:20,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:09:20,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:09:20,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:09:20,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:09:20,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:09:20,445 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 01:09:20,445 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 71 transitions, 577 flow. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:09:20,445 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:09:20,445 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 01:09:20,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:09:20,523 INFO L130 PetriNetUnfolder]: 86/183 cut-off events. [2022-12-06 01:09:20,523 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:09:20,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 932 conditions, 183 events. 86/183 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 633 event pairs, 8 based on Foata normal form. 16/177 useless extension candidates. Maximal degree in co-relation 913. Up to 156 conditions per place. [2022-12-06 01:09:20,524 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 29 selfloop transitions, 4 changer transitions 36/69 dead transitions. [2022-12-06 01:09:20,524 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 69 transitions, 702 flow [2022-12-06 01:09:20,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:09:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:09:20,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2022-12-06 01:09:20,526 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49411764705882355 [2022-12-06 01:09:20,527 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 9 predicate places. [2022-12-06 01:09:20,528 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:09:20,528 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 69 transitions, 702 flow [2022-12-06 01:09:20,530 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 69 transitions, 702 flow [2022-12-06 01:09:20,531 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:09:20,532 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:09:20,539 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 12 [2022-12-06 01:09:20,540 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 69 transitions, 702 flow [2022-12-06 01:09:20,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2022-12-06 01:09:20,540 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:09:20,540 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:09:20,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:09:20,540 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:09:20,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:09:20,541 INFO L85 PathProgramCache]: Analyzing trace with hash -689300245, now seen corresponding path program 1 times [2022-12-06 01:09:20,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:09:20,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091224073] [2022-12-06 01:09:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:09:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:09:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:09:20,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:09:20,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:09:20,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091224073] [2022-12-06 01:09:20,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091224073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:09:20,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:09:20,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:09:20,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243784118] [2022-12-06 01:09:20,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:09:20,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:09:20,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:09:20,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:09:20,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:09:20,672 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 01:09:20,672 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 69 transitions, 702 flow. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-06 01:09:20,672 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:09:20,672 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 01:09:20,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:09:20,767 INFO L130 PetriNetUnfolder]: 61/130 cut-off events. [2022-12-06 01:09:20,768 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:09:20,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 130 events. 61/130 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 403 event pairs, 2 based on Foata normal form. 7/120 useless extension candidates. Maximal degree in co-relation 776. Up to 103 conditions per place. [2022-12-06 01:09:20,768 INFO L137 encePairwiseOnDemand]: 11/17 looper letters, 25 selfloop transitions, 6 changer transitions 39/70 dead transitions. [2022-12-06 01:09:20,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 70 transitions, 852 flow [2022-12-06 01:09:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:09:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:09:20,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 44 transitions. [2022-12-06 01:09:20,770 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3697478991596639 [2022-12-06 01:09:20,771 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 13 predicate places. [2022-12-06 01:09:20,772 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:09:20,772 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 70 transitions, 852 flow [2022-12-06 01:09:20,774 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 70 transitions, 852 flow [2022-12-06 01:09:20,775 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:09:24,485 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 01:09:24,486 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3715 [2022-12-06 01:09:24,486 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 68 transitions, 864 flow [2022-12-06 01:09:24,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-06 01:09:24,486 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:09:24,487 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:09:24,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:09:24,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:09:24,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:09:24,487 INFO L85 PathProgramCache]: Analyzing trace with hash 17413692, now seen corresponding path program 1 times [2022-12-06 01:09:24,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:09:24,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216913189] [2022-12-06 01:09:24,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:09:24,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:09:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:09:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:09:45,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:09:45,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216913189] [2022-12-06 01:09:45,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216913189] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:09:45,369 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:09:45,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:09:45,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602874606] [2022-12-06 01:09:45,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:09:45,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:09:45,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:09:45,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:09:45,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:09:45,371 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 21 [2022-12-06 01:09:45,371 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 68 transitions, 864 flow. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-06 01:09:45,371 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:09:45,371 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 21 [2022-12-06 01:09:45,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:09:45,575 INFO L130 PetriNetUnfolder]: 47/105 cut-off events. [2022-12-06 01:09:45,575 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:09:45,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 105 events. 47/105 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 301 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 729. Up to 86 conditions per place. [2022-12-06 01:09:45,576 INFO L137 encePairwiseOnDemand]: 13/21 looper letters, 16 selfloop transitions, 10 changer transitions 59/85 dead transitions. [2022-12-06 01:09:45,577 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 85 transitions, 1205 flow [2022-12-06 01:09:45,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 01:09:45,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 01:09:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 33 transitions. [2022-12-06 01:09:45,583 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.2619047619047619 [2022-12-06 01:09:45,584 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 16 predicate places. [2022-12-06 01:09:45,584 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:09:45,584 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 85 transitions, 1205 flow [2022-12-06 01:09:45,586 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 85 transitions, 1205 flow [2022-12-06 01:09:45,586 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:09:45,587 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:09:45,587 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-06 01:09:45,588 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 85 transitions, 1205 flow [2022-12-06 01:09:45,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-06 01:09:45,588 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:09:45,588 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:09:45,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 01:09:45,588 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:09:45,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:09:45,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1079350189, now seen corresponding path program 1 times [2022-12-06 01:09:45,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:09:45,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181627657] [2022-12-06 01:09:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:09:45,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:09:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:10:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:10:06,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:10:06,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181627657] [2022-12-06 01:10:06,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181627657] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:10:06,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:10:06,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 01:10:06,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803491539] [2022-12-06 01:10:06,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:10:06,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 01:10:06,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:10:06,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 01:10:06,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-06 01:10:06,207 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 01:10:06,207 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 85 transitions, 1205 flow. Second operand has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) [2022-12-06 01:10:06,207 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:10:06,207 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 01:10:06,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:10:06,390 INFO L130 PetriNetUnfolder]: 58/132 cut-off events. [2022-12-06 01:10:06,390 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:10:06,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1076 conditions, 132 events. 58/132 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 439 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 1048. Up to 112 conditions per place. [2022-12-06 01:10:06,391 INFO L137 encePairwiseOnDemand]: 7/15 looper letters, 13 selfloop transitions, 4 changer transitions 94/111 dead transitions. [2022-12-06 01:10:06,391 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 111 transitions, 1791 flow [2022-12-06 01:10:06,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 01:10:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 01:10:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 38 transitions. [2022-12-06 01:10:06,392 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.31666666666666665 [2022-12-06 01:10:06,393 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 23 predicate places. [2022-12-06 01:10:06,393 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:10:06,393 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 111 transitions, 1791 flow [2022-12-06 01:10:06,396 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 111 transitions, 1791 flow [2022-12-06 01:10:06,396 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:10:06,396 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:10:06,397 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-06 01:10:06,397 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 111 transitions, 1791 flow [2022-12-06 01:10:06,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 7 states have internal predecessors, (12), 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) [2022-12-06 01:10:06,397 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:10:06,397 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:10:06,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 01:10:06,397 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:10:06,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:10:06,398 INFO L85 PathProgramCache]: Analyzing trace with hash -109276857, now seen corresponding path program 2 times [2022-12-06 01:10:06,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:10:06,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067307871] [2022-12-06 01:10:06,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:10:06,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:10:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:10:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:10:06,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:10:06,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067307871] [2022-12-06 01:10:06,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067307871] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:10:06,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:10:06,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:10:06,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405611426] [2022-12-06 01:10:06,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:10:06,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:10:06,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:10:06,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:10:06,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:10:06,852 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 01:10:06,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 111 transitions, 1791 flow. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-06 01:10:06,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:10:06,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 01:10:06,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:10:06,975 INFO L130 PetriNetUnfolder]: 58/131 cut-off events. [2022-12-06 01:10:06,975 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:10:06,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 131 events. 58/131 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 428 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 1169. Up to 111 conditions per place. [2022-12-06 01:10:06,976 INFO L137 encePairwiseOnDemand]: 8/15 looper letters, 0 selfloop transitions, 0 changer transitions 114/114 dead transitions. [2022-12-06 01:10:06,976 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 114 transitions, 2067 flow [2022-12-06 01:10:06,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:10:06,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:10:06,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 28 transitions. [2022-12-06 01:10:06,977 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.26666666666666666 [2022-12-06 01:10:06,978 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 28 predicate places. [2022-12-06 01:10:06,978 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:10:06,978 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 114 transitions, 2067 flow [2022-12-06 01:10:06,979 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 114 transitions, 2067 flow [2022-12-06 01:10:06,979 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:10:06,980 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:10:06,981 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3 [2022-12-06 01:10:06,981 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 114 transitions, 2067 flow [2022-12-06 01:10:06,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 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) [2022-12-06 01:10:06,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 01:10:06,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-06 01:10:06,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 01:10:06,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-06 01:10:06,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-06 01:10:06,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 01:10:06,986 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-12-06 01:10:06,990 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:10:06,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:10:06,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:10:06 BasicIcfg [2022-12-06 01:10:06,992 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:10:06,992 INFO L158 Benchmark]: Toolchain (without parser) took 53954.55ms. Allocated memory was 167.8MB in the beginning and 690.0MB in the end (delta: 522.2MB). Free memory was 143.5MB in the beginning and 548.9MB in the end (delta: -405.4MB). Peak memory consumption was 118.2MB. Max. memory is 8.0GB. [2022-12-06 01:10:06,992 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory was 143.9MB in the beginning and 143.8MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:10:06,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.22ms. Allocated memory is still 167.8MB. Free memory was 143.3MB in the beginning and 118.2MB in the end (delta: 25.2MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-06 01:10:06,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.99ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 115.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 01:10:06,993 INFO L158 Benchmark]: Boogie Preprocessor took 30.61ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 01:10:06,993 INFO L158 Benchmark]: RCFGBuilder took 638.10ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 82.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-12-06 01:10:06,993 INFO L158 Benchmark]: TraceAbstraction took 52700.60ms. Allocated memory was 167.8MB in the beginning and 690.0MB in the end (delta: 522.2MB). Free memory was 82.0MB in the beginning and 548.9MB in the end (delta: -466.9MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. [2022-12-06 01:10:06,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory was 143.9MB in the beginning and 143.8MB in the end (delta: 152.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 525.22ms. Allocated memory is still 167.8MB. Free memory was 143.3MB in the beginning and 118.2MB in the end (delta: 25.2MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.99ms. Allocated memory is still 167.8MB. Free memory was 118.2MB in the beginning and 115.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.61ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 114.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 638.10ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 82.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 52700.60ms. Allocated memory was 167.8MB in the beginning and 690.0MB in the end (delta: 522.2MB). Free memory was 82.0MB in the beginning and 548.9MB in the end (delta: -466.9MB). Peak memory consumption was 56.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.6s, 90 PlacesBefore, 27 PlacesAfterwards, 85 TransitionsBefore, 21 TransitionsAfterwards, 1020 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 31 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 796, independent: 754, independent conditional: 754, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 796, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 796, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 796, independent: 754, independent conditional: 0, independent unconditional: 754, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 632, independent: 606, independent conditional: 0, independent unconditional: 606, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 632, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 210, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 796, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 632, unknown conditional: 0, unknown unconditional: 632] , Statistics on independence cache: Total cache size (in pairs): 900, Positive cache size: 874, Positive conditional cache size: 0, Positive unconditional cache size: 874, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, 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: 0.2s, 27 PlacesBefore, 25 PlacesAfterwards, 27 TransitionsBefore, 25 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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, 29 PlacesBefore, 29 PlacesAfterwards, 34 TransitionsBefore, 34 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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, 35 PlacesBefore, 35 PlacesAfterwards, 71 TransitionsBefore, 71 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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, 36 PlacesBefore, 36 PlacesAfterwards, 69 TransitionsBefore, 69 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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: 3.7s, 40 PlacesBefore, 38 PlacesAfterwards, 70 TransitionsBefore, 68 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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, 43 PlacesBefore, 43 PlacesAfterwards, 85 TransitionsBefore, 85 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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, 50 PlacesBefore, 50 PlacesAfterwards, 111 TransitionsBefore, 111 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, 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, 55 PlacesBefore, 55 PlacesAfterwards, 114 TransitionsBefore, 114 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): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: 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, 105 locations, 5 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: 52.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 192 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 575 IncrementalHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 0 mSDtfsCounter, 575 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2067occurred in iteration=8, InterpolantAutomatonStates: 48, 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, 0.2s SatisfiabilityAnalysisTime, 43.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 1119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2022-12-06 01:10:07,028 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...