/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-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 18:40:01,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 18:40:01,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 18:40:01,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 18:40:01,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 18:40:01,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 18:40:01,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 18:40:01,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 18:40:01,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 18:40:01,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 18:40:01,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 18:40:01,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 18:40:01,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 18:40:01,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 18:40:01,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 18:40:01,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 18:40:01,183 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 18:40:01,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 18:40:01,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 18:40:01,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 18:40:01,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 18:40:01,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 18:40:01,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 18:40:01,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 18:40:01,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 18:40:01,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 18:40:01,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 18:40:01,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 18:40:01,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 18:40:01,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 18:40:01,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 18:40:01,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 18:40:01,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 18:40:01,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 18:40:01,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 18:40:01,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 18:40:01,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 18:40:01,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 18:40:01,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 18:40:01,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 18:40:01,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 18:40:01,208 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-SemanticLbe.epf [2022-12-12 18:40:01,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 18:40:01,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 18:40:01,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 18:40:01,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 18:40:01,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 18:40:01,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 18:40:01,237 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 18:40:01,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 18:40:01,237 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 18:40:01,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 18:40:01,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 18:40:01,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 18:40:01,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 18:40:01,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 18:40:01,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 18:40:01,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 18:40:01,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 18:40:01,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 18:40:01,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 18:40:01,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 18:40:01,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 18:40:01,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 18:40:01,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 18:40:01,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-12 18:40:01,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 18:40:01,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 18:40:01,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 18:40:01,563 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 18:40:01,563 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 18:40:01,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-12-12 18:40:02,607 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 18:40:02,862 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 18:40:02,863 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-12-12 18:40:02,879 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7191755ee/e44f466b94cd42228f60f7b94aab1746/FLAG235d9dde5 [2022-12-12 18:40:02,893 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7191755ee/e44f466b94cd42228f60f7b94aab1746 [2022-12-12 18:40:02,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 18:40:02,895 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 18:40:02,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 18:40:02,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 18:40:02,898 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 18:40:02,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 06:40:02" (1/1) ... [2022-12-12 18:40:02,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377bb18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:02, skipping insertion in model container [2022-12-12 18:40:02,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 06:40:02" (1/1) ... [2022-12-12 18:40:02,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 18:40:02,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 18:40:03,068 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/rfi000_tso.i[944,957] [2022-12-12 18:40:03,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,206 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,214 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,235 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,263 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,277 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 18:40:03,289 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 18:40:03,297 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/rfi000_tso.i[944,957] [2022-12-12 18:40:03,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,340 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,340 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:40:03,351 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:40:03,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 18:40:03,385 INFO L208 MainTranslator]: Completed translation [2022-12-12 18:40:03,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03 WrapperNode [2022-12-12 18:40:03,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 18:40:03,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 18:40:03,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 18:40:03,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 18:40:03,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,449 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2022-12-12 18:40:03,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 18:40:03,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 18:40:03,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 18:40:03,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 18:40:03,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,481 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 18:40:03,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 18:40:03,493 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 18:40:03,493 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 18:40:03,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (1/1) ... [2022-12-12 18:40:03,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 18:40:03,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 18:40:03,549 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) [2022-12-12 18:40:03,574 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 [2022-12-12 18:40:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 18:40:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 18:40:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 18:40:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 18:40:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 18:40:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-12 18:40:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-12 18:40:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-12 18:40:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-12 18:40:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 18:40:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 18:40:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 18:40:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 18:40:03,595 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 18:40:03,795 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 18:40:03,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 18:40:04,111 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 18:40:04,295 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 18:40:04,296 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 18:40:04,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 06:40:04 BoogieIcfgContainer [2022-12-12 18:40:04,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 18:40:04,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 18:40:04,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 18:40:04,301 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 18:40:04,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 06:40:02" (1/3) ... [2022-12-12 18:40:04,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649bc3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 06:40:04, skipping insertion in model container [2022-12-12 18:40:04,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:40:03" (2/3) ... [2022-12-12 18:40:04,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@649bc3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 06:40:04, skipping insertion in model container [2022-12-12 18:40:04,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 06:40:04" (3/3) ... [2022-12-12 18:40:04,305 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2022-12-12 18:40:04,318 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 18:40:04,319 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 18:40:04,319 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 18:40:04,357 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-12 18:40:04,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions, 190 flow [2022-12-12 18:40:04,431 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-12-12 18:40:04,431 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:40:04,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-12 18:40:04,436 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 90 transitions, 190 flow [2022-12-12 18:40:04,440 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 88 transitions, 182 flow [2022-12-12 18:40:04,441 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 18:40:04,453 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 88 transitions, 182 flow [2022-12-12 18:40:04,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 88 transitions, 182 flow [2022-12-12 18:40:04,470 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-12-12 18:40:04,471 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:40:04,471 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-12 18:40:04,474 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 88 transitions, 182 flow [2022-12-12 18:40:04,474 INFO L226 LiptonReduction]: Number of co-enabled transitions 1156 [2022-12-12 18:40:10,476 INFO L241 LiptonReduction]: Total number of compositions: 71 [2022-12-12 18:40:10,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 18:40:10,502 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2243d3cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 18:40:10,502 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-12 18:40:10,509 INFO L130 PetriNetUnfolder]: 0/20 cut-off events. [2022-12-12 18:40:10,510 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:40:10,510 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:10,510 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-12 18:40:10,511 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 18:40:10,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:10,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1458424011, now seen corresponding path program 1 times [2022-12-12 18:40:10,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:10,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983352153] [2022-12-12 18:40:10,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:10,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:10,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:10,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983352153] [2022-12-12 18:40:10,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983352153] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:10,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:10,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 18:40:10,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262485804] [2022-12-12 18:40:10,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:10,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 18:40:10,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:10,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 18:40:10,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 18:40:10,897 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:10,898 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 46 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 18:40:10,898 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:10,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:10,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:11,323 INFO L130 PetriNetUnfolder]: 1577/2679 cut-off events. [2022-12-12 18:40:11,324 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-12 18:40:11,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5243 conditions, 2679 events. 1577/2679 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 16085 event pairs, 311 based on Foata normal form. 0/1564 useless extension candidates. Maximal degree in co-relation 5233. Up to 1987 conditions per place. [2022-12-12 18:40:11,332 INFO L137 encePairwiseOnDemand]: 42/46 looper letters, 23 selfloop transitions, 2 changer transitions 40/71 dead transitions. [2022-12-12 18:40:11,332 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 71 transitions, 278 flow [2022-12-12 18:40:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 18:40:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 18:40:11,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2022-12-12 18:40:11,341 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014 [2022-12-12 18:40:11,344 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 0 predicate places. [2022-12-12 18:40:11,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 71 transitions, 278 flow [2022-12-12 18:40:11,348 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 118 flow [2022-12-12 18:40:11,350 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 118 flow [2022-12-12 18:40:11,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 18:40:11,350 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:11,350 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:11,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 18:40:11,350 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)] === [2022-12-12 18:40:11,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:11,351 INFO L85 PathProgramCache]: Analyzing trace with hash -2033493015, now seen corresponding path program 1 times [2022-12-12 18:40:11,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:11,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087344978] [2022-12-12 18:40:11,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:11,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:11,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:11,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087344978] [2022-12-12 18:40:11,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087344978] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:11,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:11,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 18:40:11,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819685736] [2022-12-12 18:40:11,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:11,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 18:40:11,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:11,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 18:40:11,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 18:40:11,529 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:11,529 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 118 flow. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-12 18:40:11,529 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:11,529 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:11,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:11,613 INFO L130 PetriNetUnfolder]: 210/392 cut-off events. [2022-12-12 18:40:11,614 INFO L131 PetriNetUnfolder]: For 7/9 co-relation queries the response was YES. [2022-12-12 18:40:11,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 392 events. 210/392 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1574 event pairs, 58 based on Foata normal form. 15/355 useless extension candidates. Maximal degree in co-relation 1128. Up to 288 conditions per place. [2022-12-12 18:40:11,616 INFO L137 encePairwiseOnDemand]: 43/46 looper letters, 28 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2022-12-12 18:40:11,616 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 36 transitions, 198 flow [2022-12-12 18:40:11,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 18:40:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 18:40:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-12 18:40:11,618 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3115942028985507 [2022-12-12 18:40:11,618 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -18 predicate places. [2022-12-12 18:40:11,618 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 36 transitions, 198 flow [2022-12-12 18:40:11,620 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 36 transitions, 198 flow [2022-12-12 18:40:11,620 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 36 transitions, 198 flow [2022-12-12 18:40:11,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-12-12 18:40:11,620 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:11,620 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:11,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 18:40:11,621 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)] === [2022-12-12 18:40:11,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:11,621 INFO L85 PathProgramCache]: Analyzing trace with hash 752484593, now seen corresponding path program 1 times [2022-12-12 18:40:11,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:11,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739844123] [2022-12-12 18:40:11,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:11,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:11,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:11,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:11,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739844123] [2022-12-12 18:40:11,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739844123] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:11,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:11,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 18:40:11,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923299326] [2022-12-12 18:40:11,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:11,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 18:40:11,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:11,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 18:40:11,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 18:40:11,815 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:11,815 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 36 transitions, 198 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-12 18:40:11,815 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:11,815 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:11,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:11,900 INFO L130 PetriNetUnfolder]: 201/378 cut-off events. [2022-12-12 18:40:11,900 INFO L131 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2022-12-12 18:40:11,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1452 conditions, 378 events. 201/378 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1506 event pairs, 53 based on Foata normal form. 5/332 useless extension candidates. Maximal degree in co-relation 1436. Up to 274 conditions per place. [2022-12-12 18:40:11,903 INFO L137 encePairwiseOnDemand]: 43/46 looper letters, 34 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2022-12-12 18:40:11,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 42 transitions, 306 flow [2022-12-12 18:40:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 18:40:11,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 18:40:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 43 transitions. [2022-12-12 18:40:11,905 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3115942028985507 [2022-12-12 18:40:11,906 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -16 predicate places. [2022-12-12 18:40:11,906 INFO L82 GeneralOperation]: Start removeDead. Operand has 37 places, 42 transitions, 306 flow [2022-12-12 18:40:11,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 42 transitions, 306 flow [2022-12-12 18:40:11,909 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 42 transitions, 306 flow [2022-12-12 18:40:11,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-12 18:40:11,909 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:11,909 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:11,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 18:40:11,910 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)] === [2022-12-12 18:40:11,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:11,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1852183254, now seen corresponding path program 1 times [2022-12-12 18:40:11,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:11,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125473776] [2022-12-12 18:40:11,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:11,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:12,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:12,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125473776] [2022-12-12 18:40:12,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125473776] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:12,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:12,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 18:40:12,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582481776] [2022-12-12 18:40:12,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:12,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 18:40:12,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:12,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 18:40:12,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-12 18:40:12,602 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:12,603 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 42 transitions, 306 flow. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 18:40:12,603 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:12,603 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:12,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:12,805 INFO L130 PetriNetUnfolder]: 211/405 cut-off events. [2022-12-12 18:40:12,805 INFO L131 PetriNetUnfolder]: For 52/52 co-relation queries the response was YES. [2022-12-12 18:40:12,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1908 conditions, 405 events. 211/405 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1656 event pairs, 16 based on Foata normal form. 1/354 useless extension candidates. Maximal degree in co-relation 1889. Up to 332 conditions per place. [2022-12-12 18:40:12,807 INFO L137 encePairwiseOnDemand]: 39/46 looper letters, 47 selfloop transitions, 13 changer transitions 0/66 dead transitions. [2022-12-12 18:40:12,808 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 66 transitions, 621 flow [2022-12-12 18:40:12,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 18:40:12,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 18:40:12,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 77 transitions. [2022-12-12 18:40:12,810 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.27898550724637683 [2022-12-12 18:40:12,812 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -11 predicate places. [2022-12-12 18:40:12,812 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 66 transitions, 621 flow [2022-12-12 18:40:12,814 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 66 transitions, 621 flow [2022-12-12 18:40:12,814 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 66 transitions, 621 flow [2022-12-12 18:40:12,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 18:40:12,814 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:12,814 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:12,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 18:40:12,814 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)] === [2022-12-12 18:40:12,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:12,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1627282852, now seen corresponding path program 2 times [2022-12-12 18:40:12,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:12,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100393490] [2022-12-12 18:40:12,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:12,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:13,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:13,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100393490] [2022-12-12 18:40:13,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100393490] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:13,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:13,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 18:40:13,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107279924] [2022-12-12 18:40:13,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:13,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 18:40:13,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:13,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 18:40:13,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-12 18:40:13,696 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:13,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 66 transitions, 621 flow. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 18:40:13,697 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:13,697 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:13,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:13,875 INFO L130 PetriNetUnfolder]: 216/413 cut-off events. [2022-12-12 18:40:13,875 INFO L131 PetriNetUnfolder]: For 64/64 co-relation queries the response was YES. [2022-12-12 18:40:13,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2343 conditions, 413 events. 216/413 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1707 event pairs, 24 based on Foata normal form. 5/365 useless extension candidates. Maximal degree in co-relation 2321. Up to 345 conditions per place. [2022-12-12 18:40:13,879 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 60 selfloop transitions, 22 changer transitions 0/88 dead transitions. [2022-12-12 18:40:13,879 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 88 transitions, 1005 flow [2022-12-12 18:40:13,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 18:40:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 18:40:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 88 transitions. [2022-12-12 18:40:13,882 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2732919254658385 [2022-12-12 18:40:13,883 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, -5 predicate places. [2022-12-12 18:40:13,884 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 88 transitions, 1005 flow [2022-12-12 18:40:13,888 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 88 transitions, 1005 flow [2022-12-12 18:40:13,888 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 88 transitions, 1005 flow [2022-12-12 18:40:13,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 18:40:13,888 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:13,888 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:13,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-12 18:40:13,889 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)] === [2022-12-12 18:40:13,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:13,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1808851764, now seen corresponding path program 3 times [2022-12-12 18:40:13,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:13,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615136351] [2022-12-12 18:40:13,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:13,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:14,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:14,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615136351] [2022-12-12 18:40:14,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615136351] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:14,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:14,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 18:40:14,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544963997] [2022-12-12 18:40:14,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:14,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 18:40:14,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:14,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 18:40:14,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-12 18:40:14,525 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:14,525 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 88 transitions, 1005 flow. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 18:40:14,525 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:14,525 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:14,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:14,689 INFO L130 PetriNetUnfolder]: 216/416 cut-off events. [2022-12-12 18:40:14,689 INFO L131 PetriNetUnfolder]: For 94/94 co-relation queries the response was YES. [2022-12-12 18:40:14,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2741 conditions, 416 events. 216/416 cut-off events. For 94/94 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1717 event pairs, 23 based on Foata normal form. 1/363 useless extension candidates. Maximal degree in co-relation 2716. Up to 345 conditions per place. [2022-12-12 18:40:14,692 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 65 selfloop transitions, 25 changer transitions 0/96 dead transitions. [2022-12-12 18:40:14,692 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 96 transitions, 1281 flow [2022-12-12 18:40:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 18:40:14,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 18:40:14,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 86 transitions. [2022-12-12 18:40:14,694 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2670807453416149 [2022-12-12 18:40:14,694 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 1 predicate places. [2022-12-12 18:40:14,694 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 96 transitions, 1281 flow [2022-12-12 18:40:14,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 96 transitions, 1281 flow [2022-12-12 18:40:14,697 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 96 transitions, 1281 flow [2022-12-12 18:40:14,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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) [2022-12-12 18:40:14,697 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:14,697 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:14,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-12 18:40:14,697 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)] === [2022-12-12 18:40:14,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:14,698 INFO L85 PathProgramCache]: Analyzing trace with hash -954308000, now seen corresponding path program 1 times [2022-12-12 18:40:14,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:14,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110735946] [2022-12-12 18:40:14,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:14,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:14,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:14,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110735946] [2022-12-12 18:40:14,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110735946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:14,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:14,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 18:40:14,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575448089] [2022-12-12 18:40:14,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:14,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 18:40:14,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:14,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 18:40:14,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 18:40:14,820 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 46 [2022-12-12 18:40:14,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 96 transitions, 1281 flow. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 18:40:14,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:14,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 46 [2022-12-12 18:40:14,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:14,895 INFO L130 PetriNetUnfolder]: 152/319 cut-off events. [2022-12-12 18:40:14,895 INFO L131 PetriNetUnfolder]: For 704/704 co-relation queries the response was YES. [2022-12-12 18:40:14,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2317 conditions, 319 events. 152/319 cut-off events. For 704/704 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1314 event pairs, 17 based on Foata normal form. 18/302 useless extension candidates. Maximal degree in co-relation 2289. Up to 274 conditions per place. [2022-12-12 18:40:14,898 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 51 selfloop transitions, 15 changer transitions 2/70 dead transitions. [2022-12-12 18:40:14,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 70 transitions, 1028 flow [2022-12-12 18:40:14,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 18:40:14,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 18:40:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 48 transitions. [2022-12-12 18:40:14,899 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.34782608695652173 [2022-12-12 18:40:14,900 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 3 predicate places. [2022-12-12 18:40:14,900 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 70 transitions, 1028 flow [2022-12-12 18:40:14,902 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 68 transitions, 1024 flow [2022-12-12 18:40:14,902 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 68 transitions, 1024 flow [2022-12-12 18:40:14,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-12-12 18:40:14,902 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:14,903 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:14,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-12 18:40:14,903 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)] === [2022-12-12 18:40:14,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:14,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1417704995, now seen corresponding path program 1 times [2022-12-12 18:40:14,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:14,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057415334] [2022-12-12 18:40:14,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:15,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:15,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:15,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057415334] [2022-12-12 18:40:15,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057415334] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:15,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:15,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 18:40:15,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262745800] [2022-12-12 18:40:15,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:15,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 18:40:15,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:15,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 18:40:15,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-12 18:40:15,594 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:15,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 68 transitions, 1024 flow. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 18:40:15,594 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:15,594 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:15,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:15,771 INFO L130 PetriNetUnfolder]: 217/452 cut-off events. [2022-12-12 18:40:15,771 INFO L131 PetriNetUnfolder]: For 1272/1272 co-relation queries the response was YES. [2022-12-12 18:40:15,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3646 conditions, 452 events. 217/452 cut-off events. For 1272/1272 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2134 event pairs, 35 based on Foata normal form. 18/413 useless extension candidates. Maximal degree in co-relation 3615. Up to 400 conditions per place. [2022-12-12 18:40:15,775 INFO L137 encePairwiseOnDemand]: 37/46 looper letters, 60 selfloop transitions, 17 changer transitions 13/96 dead transitions. [2022-12-12 18:40:15,775 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 96 transitions, 1655 flow [2022-12-12 18:40:15,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-12 18:40:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-12 18:40:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 96 transitions. [2022-12-12 18:40:15,776 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2608695652173913 [2022-12-12 18:40:15,776 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 8 predicate places. [2022-12-12 18:40:15,777 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 96 transitions, 1655 flow [2022-12-12 18:40:15,779 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 83 transitions, 1421 flow [2022-12-12 18:40:15,779 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 83 transitions, 1421 flow [2022-12-12 18:40:15,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 18:40:15,780 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:15,780 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:15,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-12 18:40:15,780 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 18:40:15,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:15,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1369744803, now seen corresponding path program 2 times [2022-12-12 18:40:15,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:15,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173328420] [2022-12-12 18:40:15,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:15,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:17,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:17,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:17,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173328420] [2022-12-12 18:40:17,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173328420] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:17,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:17,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 18:40:17,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512825355] [2022-12-12 18:40:17,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:17,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 18:40:17,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:17,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 18:40:17,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-12 18:40:17,454 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:17,454 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 83 transitions, 1421 flow. Second operand has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 18:40:17,454 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:17,454 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:17,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:17,953 INFO L130 PetriNetUnfolder]: 183/394 cut-off events. [2022-12-12 18:40:17,953 INFO L131 PetriNetUnfolder]: For 1705/1705 co-relation queries the response was YES. [2022-12-12 18:40:17,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3545 conditions, 394 events. 183/394 cut-off events. For 1705/1705 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1801 event pairs, 17 based on Foata normal form. 3/359 useless extension candidates. Maximal degree in co-relation 3511. Up to 331 conditions per place. [2022-12-12 18:40:17,956 INFO L137 encePairwiseOnDemand]: 37/46 looper letters, 65 selfloop transitions, 30 changer transitions 0/101 dead transitions. [2022-12-12 18:40:17,956 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 101 transitions, 1935 flow [2022-12-12 18:40:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-12 18:40:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-12 18:40:17,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 108 transitions. [2022-12-12 18:40:17,957 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2608695652173913 [2022-12-12 18:40:17,958 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 15 predicate places. [2022-12-12 18:40:17,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 101 transitions, 1935 flow [2022-12-12 18:40:17,961 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 101 transitions, 1935 flow [2022-12-12 18:40:17,961 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 101 transitions, 1935 flow [2022-12-12 18:40:17,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 9 states have internal predecessors, (67), 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) [2022-12-12 18:40:17,961 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:17,961 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:17,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-12 18:40:17,962 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 18:40:17,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:17,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1250348391, now seen corresponding path program 3 times [2022-12-12 18:40:17,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:17,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179866927] [2022-12-12 18:40:17,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:18,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:18,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179866927] [2022-12-12 18:40:18,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179866927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:18,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:18,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 18:40:18,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839465849] [2022-12-12 18:40:18,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:18,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 18:40:18,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:18,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 18:40:18,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-12 18:40:18,079 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 46 [2022-12-12 18:40:18,079 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 101 transitions, 1935 flow. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-12-12 18:40:18,079 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:18,079 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 46 [2022-12-12 18:40:18,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:18,141 INFO L130 PetriNetUnfolder]: 63/181 cut-off events. [2022-12-12 18:40:18,141 INFO L131 PetriNetUnfolder]: For 1327/1327 co-relation queries the response was YES. [2022-12-12 18:40:18,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1788 conditions, 181 events. 63/181 cut-off events. For 1327/1327 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 718 event pairs, 0 based on Foata normal form. 36/197 useless extension candidates. Maximal degree in co-relation 1751. Up to 144 conditions per place. [2022-12-12 18:40:18,145 INFO L137 encePairwiseOnDemand]: 38/46 looper letters, 56 selfloop transitions, 27 changer transitions 0/85 dead transitions. [2022-12-12 18:40:18,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 85 transitions, 1781 flow [2022-12-12 18:40:18,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 18:40:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 18:40:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions. [2022-12-12 18:40:18,147 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2826086956521739 [2022-12-12 18:40:18,147 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 18 predicate places. [2022-12-12 18:40:18,147 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 85 transitions, 1781 flow [2022-12-12 18:40:18,149 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 85 transitions, 1781 flow [2022-12-12 18:40:18,149 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 85 transitions, 1781 flow [2022-12-12 18:40:18,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-12-12 18:40:18,149 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:18,149 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:18,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-12 18:40:18,149 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 18:40:18,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:18,150 INFO L85 PathProgramCache]: Analyzing trace with hash 133723352, now seen corresponding path program 1 times [2022-12-12 18:40:18,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:18,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172863561] [2022-12-12 18:40:18,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:18,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:18,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:18,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:18,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172863561] [2022-12-12 18:40:18,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172863561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:18,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:18,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 18:40:18,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273955902] [2022-12-12 18:40:18,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:18,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 18:40:18,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:18,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 18:40:18,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-12 18:40:18,626 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 46 [2022-12-12 18:40:18,626 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 85 transitions, 1781 flow. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-12-12 18:40:18,626 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:18,626 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 46 [2022-12-12 18:40:18,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:18,721 INFO L130 PetriNetUnfolder]: 107/299 cut-off events. [2022-12-12 18:40:18,721 INFO L131 PetriNetUnfolder]: For 2882/2884 co-relation queries the response was YES. [2022-12-12 18:40:18,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3121 conditions, 299 events. 107/299 cut-off events. For 2882/2884 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1456 event pairs, 0 based on Foata normal form. 11/274 useless extension candidates. Maximal degree in co-relation 3081. Up to 236 conditions per place. [2022-12-12 18:40:18,723 INFO L137 encePairwiseOnDemand]: 41/46 looper letters, 54 selfloop transitions, 6 changer transitions 68/133 dead transitions. [2022-12-12 18:40:18,723 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 133 transitions, 3096 flow [2022-12-12 18:40:18,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 18:40:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 18:40:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 58 transitions. [2022-12-12 18:40:18,724 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.31521739130434784 [2022-12-12 18:40:18,725 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 21 predicate places. [2022-12-12 18:40:18,725 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 133 transitions, 3096 flow [2022-12-12 18:40:18,726 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 65 transitions, 1464 flow [2022-12-12 18:40:18,726 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 65 transitions, 1464 flow [2022-12-12 18:40:18,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2022-12-12 18:40:18,727 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:18,727 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:18,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-12 18:40:18,727 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 18:40:18,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:18,727 INFO L85 PathProgramCache]: Analyzing trace with hash 834372366, now seen corresponding path program 1 times [2022-12-12 18:40:18,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:18,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882612781] [2022-12-12 18:40:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:18,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:19,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:19,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882612781] [2022-12-12 18:40:19,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882612781] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:19,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:19,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 18:40:19,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893728715] [2022-12-12 18:40:19,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:19,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-12 18:40:19,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:19,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-12 18:40:19,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-12 18:40:19,382 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:19,382 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 65 transitions, 1464 flow. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2022-12-12 18:40:19,382 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:19,382 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:19,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:19,479 INFO L130 PetriNetUnfolder]: 57/189 cut-off events. [2022-12-12 18:40:19,479 INFO L131 PetriNetUnfolder]: For 1490/1490 co-relation queries the response was YES. [2022-12-12 18:40:19,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 189 events. 57/189 cut-off events. For 1490/1490 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 814 event pairs, 0 based on Foata normal form. 9/172 useless extension candidates. Maximal degree in co-relation 2140. Up to 156 conditions per place. [2022-12-12 18:40:19,480 INFO L137 encePairwiseOnDemand]: 39/46 looper letters, 30 selfloop transitions, 7 changer transitions 36/79 dead transitions. [2022-12-12 18:40:19,480 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 79 transitions, 1946 flow [2022-12-12 18:40:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 18:40:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 18:40:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 79 transitions. [2022-12-12 18:40:19,481 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2453416149068323 [2022-12-12 18:40:19,482 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 13 predicate places. [2022-12-12 18:40:19,482 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 79 transitions, 1946 flow [2022-12-12 18:40:19,483 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 43 transitions, 1004 flow [2022-12-12 18:40:19,483 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 43 transitions, 1004 flow [2022-12-12 18:40:19,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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) [2022-12-12 18:40:19,483 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:19,483 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:19,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-12 18:40:19,483 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 18:40:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash -57321543, now seen corresponding path program 1 times [2022-12-12 18:40:19,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:19,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811791762] [2022-12-12 18:40:19,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:19,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:20,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:20,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811791762] [2022-12-12 18:40:20,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811791762] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:20,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:20,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 18:40:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609062333] [2022-12-12 18:40:20,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:20,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-12 18:40:20,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:20,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-12 18:40:20,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-12 18:40:20,294 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:20,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 43 transitions, 1004 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2022-12-12 18:40:20,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:20,294 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:20,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:20,413 INFO L130 PetriNetUnfolder]: 38/150 cut-off events. [2022-12-12 18:40:20,413 INFO L131 PetriNetUnfolder]: For 1106/1106 co-relation queries the response was YES. [2022-12-12 18:40:20,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1844 conditions, 150 events. 38/150 cut-off events. For 1106/1106 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 700 event pairs, 0 based on Foata normal form. 9/138 useless extension candidates. Maximal degree in co-relation 1798. Up to 124 conditions per place. [2022-12-12 18:40:20,414 INFO L137 encePairwiseOnDemand]: 40/46 looper letters, 27 selfloop transitions, 5 changer transitions 23/61 dead transitions. [2022-12-12 18:40:20,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 61 transitions, 1582 flow [2022-12-12 18:40:20,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 18:40:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 18:40:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 67 transitions. [2022-12-12 18:40:20,415 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.2427536231884058 [2022-12-12 18:40:20,416 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 17 predicate places. [2022-12-12 18:40:20,416 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 61 transitions, 1582 flow [2022-12-12 18:40:20,417 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 38 transitions, 938 flow [2022-12-12 18:40:20,417 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 38 transitions, 938 flow [2022-12-12 18:40:20,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2022-12-12 18:40:20,417 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:40:20,417 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:20,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-12 18:40:20,417 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-12 18:40:20,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:40:20,418 INFO L85 PathProgramCache]: Analyzing trace with hash 714258706, now seen corresponding path program 2 times [2022-12-12 18:40:20,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:40:20,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295747831] [2022-12-12 18:40:20,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:40:20,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:40:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:40:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:40:21,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:40:21,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295747831] [2022-12-12 18:40:21,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295747831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:40:21,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:40:21,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-12 18:40:21,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786367659] [2022-12-12 18:40:21,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:40:21,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-12 18:40:21,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:40:21,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-12 18:40:21,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-12 18:40:21,416 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 46 [2022-12-12 18:40:21,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 38 transitions, 938 flow. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2022-12-12 18:40:21,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:40:21,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 46 [2022-12-12 18:40:21,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:40:21,626 INFO L130 PetriNetUnfolder]: 20/77 cut-off events. [2022-12-12 18:40:21,627 INFO L131 PetriNetUnfolder]: For 678/678 co-relation queries the response was YES. [2022-12-12 18:40:21,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1007 conditions, 77 events. 20/77 cut-off events. For 678/678 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 237 event pairs, 0 based on Foata normal form. 9/76 useless extension candidates. Maximal degree in co-relation 958. Up to 60 conditions per place. [2022-12-12 18:40:21,627 INFO L137 encePairwiseOnDemand]: 40/46 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2022-12-12 18:40:21,628 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 39 transitions, 1032 flow [2022-12-12 18:40:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 18:40:21,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 18:40:21,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 64 transitions. [2022-12-12 18:40:21,629 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.19875776397515527 [2022-12-12 18:40:21,629 INFO L295 CegarLoopForPetriNet]: 53 programPoint places, 21 predicate places. [2022-12-12 18:40:21,629 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 39 transitions, 1032 flow [2022-12-12 18:40:21,629 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-12 18:40:21,630 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-12 18:40:21,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2022-12-12 18:40:21,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-12 18:40:21,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-12 18:40:21,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-12 18:40:21,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-12 18:40:21,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-12 18:40:21,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-12 18:40:21,634 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1] [2022-12-12 18:40:21,638 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 18:40:21,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 18:40:21,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 06:40:21 BasicIcfg [2022-12-12 18:40:21,642 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 18:40:21,642 INFO L158 Benchmark]: Toolchain (without parser) took 18746.96ms. Allocated memory was 194.0MB in the beginning and 701.5MB in the end (delta: 507.5MB). Free memory was 169.1MB in the beginning and 523.8MB in the end (delta: -354.7MB). Peak memory consumption was 153.3MB. Max. memory is 8.0GB. [2022-12-12 18:40:21,644 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 18:40:21,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.70ms. Allocated memory is still 194.0MB. Free memory was 169.1MB in the beginning and 141.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-12 18:40:21,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.12ms. Allocated memory is still 194.0MB. Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-12 18:40:21,644 INFO L158 Benchmark]: Boogie Preprocessor took 42.93ms. Allocated memory is still 194.0MB. Free memory was 138.2MB in the beginning and 136.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 18:40:21,645 INFO L158 Benchmark]: RCFGBuilder took 804.08ms. Allocated memory was 194.0MB in the beginning and 251.7MB in the end (delta: 57.7MB). Free memory was 136.1MB in the beginning and 220.4MB in the end (delta: -84.3MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-12-12 18:40:21,645 INFO L158 Benchmark]: TraceAbstraction took 17342.83ms. Allocated memory was 251.7MB in the beginning and 701.5MB in the end (delta: 449.8MB). Free memory was 218.9MB in the beginning and 523.8MB in the end (delta: -305.0MB). Peak memory consumption was 144.9MB. Max. memory is 8.0GB. [2022-12-12 18:40:21,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.70ms. Allocated memory is still 194.0MB. Free memory was 169.1MB in the beginning and 141.3MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.12ms. Allocated memory is still 194.0MB. Free memory was 141.3MB in the beginning and 138.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.93ms. Allocated memory is still 194.0MB. Free memory was 138.2MB in the beginning and 136.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 804.08ms. Allocated memory was 194.0MB in the beginning and 251.7MB in the end (delta: 57.7MB). Free memory was 136.1MB in the beginning and 220.4MB in the end (delta: -84.3MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 17342.83ms. Allocated memory was 251.7MB in the beginning and 701.5MB in the end (delta: 449.8MB). Free memory was 218.9MB in the beginning and 523.8MB in the end (delta: -305.0MB). Peak memory consumption was 144.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.0s, 93 PlacesBefore, 53 PlacesAfterwards, 88 TransitionsBefore, 46 TransitionsAfterwards, 1156 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 35 TrivialYvCompositions, 32 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 1886, independent unconditional: 0, dependent: 152, dependent conditional: 152, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 0, independent unconditional: 1886, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 0, independent unconditional: 1886, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2038, independent: 1886, independent conditional: 0, independent unconditional: 1886, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1107, independent: 1052, independent conditional: 0, independent unconditional: 1052, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1107, independent: 1032, independent conditional: 0, independent unconditional: 1032, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 422, independent: 15, independent conditional: 0, independent unconditional: 15, dependent: 407, dependent conditional: 0, dependent unconditional: 407, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2038, independent: 834, independent conditional: 0, independent unconditional: 834, dependent: 97, dependent conditional: 0, dependent unconditional: 97, unknown: 1107, unknown conditional: 0, unknown unconditional: 1107] , Statistics on independence cache: Total cache size (in pairs): 2011, Positive cache size: 1956, Positive conditional cache size: 0, Positive unconditional cache size: 1956, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, 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, 110 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: 17.2s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1267 IncrementalHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 1 mSDtfsCounter, 1267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1935occurred in iteration=9, InterpolantAutomatonStates: 77, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 4648 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 3049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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! [2022-12-12 18:40:21,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...