/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 00:09:12,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 00:09:12,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 00:09:12,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 00:09:12,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 00:09:12,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 00:09:12,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 00:09:12,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 00:09:12,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 00:09:12,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 00:09:12,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 00:09:12,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 00:09:12,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 00:09:12,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 00:09:12,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 00:09:12,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 00:09:12,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 00:09:12,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 00:09:12,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 00:09:12,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 00:09:12,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 00:09:12,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 00:09:12,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 00:09:12,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 00:09:12,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 00:09:12,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 00:09:12,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 00:09:12,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 00:09:12,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 00:09:12,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 00:09:12,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 00:09:12,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 00:09:12,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 00:09:12,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 00:09:12,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 00:09:12,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 00:09:12,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 00:09:12,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 00:09:12,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 00:09:12,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 00:09:12,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 00:09:12,849 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 00:09:12,873 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 00:09:12,873 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 00:09:12,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 00:09:12,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 00:09:12,875 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 00:09:12,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 00:09:12,876 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 00:09:12,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 00:09:12,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 00:09:12,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 00:09:12,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 00:09:12,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 00:09:12,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:09:12,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 00:09:12,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 00:09:12,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 00:09:12,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 00:09:12,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 00:09:12,878 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 00:09:12,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 00:09:13,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 00:09:13,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 00:09:13,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 00:09:13,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 00:09:13,158 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 00:09:13,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2022-12-06 00:09:14,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 00:09:14,306 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 00:09:14,306 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2022-12-06 00:09:14,311 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e36ea99e4/7d2e26b989fd4af79533e5d91f146c99/FLAGa9b479c5c [2022-12-06 00:09:14,323 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e36ea99e4/7d2e26b989fd4af79533e5d91f146c99 [2022-12-06 00:09:14,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 00:09:14,326 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 00:09:14,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 00:09:14,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 00:09:14,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 00:09:14,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280cca63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14, skipping insertion in model container [2022-12-06 00:09:14,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 00:09:14,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 00:09:14,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:09:14,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:09:14,445 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:09:14,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:09:14,450 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-12-06 00:09:14,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:09:14,464 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 00:09:14,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:09:14,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:09:14,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:09:14,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:09:14,477 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-12-06 00:09:14,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:09:14,491 INFO L208 MainTranslator]: Completed translation [2022-12-06 00:09:14,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14 WrapperNode [2022-12-06 00:09:14,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 00:09:14,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 00:09:14,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 00:09:14,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 00:09:14,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,541 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 138 [2022-12-06 00:09:14,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 00:09:14,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 00:09:14,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 00:09:14,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 00:09:14,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 00:09:14,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 00:09:14,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 00:09:14,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 00:09:14,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (1/1) ... [2022-12-06 00:09:14,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:09:14,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 00:09:14,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 00:09:14,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 00:09:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 00:09:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 00:09:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 00:09:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 00:09:14,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 00:09:14,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 00:09:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 00:09:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 00:09:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 00:09:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 00:09:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 00:09:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 00:09:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 00:09:14,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 00:09:14,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 00:09:14,675 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 00:09:14,798 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 00:09:14,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 00:09:15,036 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 00:09:15,129 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 00:09:15,129 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-06 00:09:15,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:15 BoogieIcfgContainer [2022-12-06 00:09:15,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 00:09:15,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 00:09:15,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 00:09:15,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 00:09:15,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 12:09:14" (1/3) ... [2022-12-06 00:09:15,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e9f6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:09:15, skipping insertion in model container [2022-12-06 00:09:15,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:14" (2/3) ... [2022-12-06 00:09:15,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e9f6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:09:15, skipping insertion in model container [2022-12-06 00:09:15,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:15" (3/3) ... [2022-12-06 00:09:15,142 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2022-12-06 00:09:15,156 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 00:09:15,156 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 00:09:15,156 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 00:09:15,213 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 00:09:15,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 107 transitions, 230 flow [2022-12-06 00:09:15,305 INFO L130 PetriNetUnfolder]: 9/105 cut-off events. [2022-12-06 00:09:15,306 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:09:15,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 114 conditions, 105 events. 9/105 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-12-06 00:09:15,310 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 107 transitions, 230 flow [2022-12-06 00:09:15,313 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 97 transitions, 206 flow [2022-12-06 00:09:15,314 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:09:15,339 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 97 transitions, 206 flow [2022-12-06 00:09:15,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 97 transitions, 206 flow [2022-12-06 00:09:15,372 INFO L130 PetriNetUnfolder]: 9/97 cut-off events. [2022-12-06 00:09:15,372 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:09:15,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 97 events. 9/97 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2022-12-06 00:09:15,375 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 97 transitions, 206 flow [2022-12-06 00:09:15,375 INFO L188 LiptonReduction]: Number of co-enabled transitions 500 [2022-12-06 00:09:18,510 INFO L203 LiptonReduction]: Total number of compositions: 80 [2022-12-06 00:09:18,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 00:09:18,525 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@648ebc32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 00:09:18,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 00:09:18,528 INFO L130 PetriNetUnfolder]: 3/16 cut-off events. [2022-12-06 00:09:18,528 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:09:18,529 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:09:18,529 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:09:18,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 00:09:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:09:18,532 INFO L85 PathProgramCache]: Analyzing trace with hash 309762736, now seen corresponding path program 1 times [2022-12-06 00:09:18,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:09:18,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090498955] [2022-12-06 00:09:18,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:09:18,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:09:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:09:18,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:09:18,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:09:18,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090498955] [2022-12-06 00:09:18,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090498955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:09:18,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:09:18,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 00:09:18,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615448992] [2022-12-06 00:09:18,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:09:18,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 00:09:18,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:09:18,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 00:09:18,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 00:09:18,885 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 17 [2022-12-06 00:09:18,886 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 46 flow. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:09:18,886 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:09:18,886 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 17 [2022-12-06 00:09:18,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:09:18,934 INFO L130 PetriNetUnfolder]: 66/116 cut-off events. [2022-12-06 00:09:18,934 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-12-06 00:09:18,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 116 events. 66/116 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 319 event pairs, 9 based on Foata normal form. 1/77 useless extension candidates. Maximal degree in co-relation 179. Up to 85 conditions per place. [2022-12-06 00:09:18,936 INFO L137 encePairwiseOnDemand]: 13/17 looper letters, 21 selfloop transitions, 3 changer transitions 1/27 dead transitions. [2022-12-06 00:09:18,936 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 27 transitions, 125 flow [2022-12-06 00:09:18,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 00:09:18,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 00:09:18,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2022-12-06 00:09:18,944 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6274509803921569 [2022-12-06 00:09:18,945 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 46 flow. Second operand 3 states and 32 transitions. [2022-12-06 00:09:18,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 27 transitions, 125 flow [2022-12-06 00:09:18,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 27 transitions, 111 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 00:09:18,948 INFO L231 Difference]: Finished difference. Result has 20 places, 19 transitions, 57 flow [2022-12-06 00:09:18,950 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=20, PETRI_TRANSITIONS=19} [2022-12-06 00:09:18,952 INFO L294 CegarLoopForPetriNet]: 21 programPoint places, -1 predicate places. [2022-12-06 00:09:18,952 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:09:18,953 INFO L89 Accepts]: Start accepts. Operand has 20 places, 19 transitions, 57 flow [2022-12-06 00:09:18,954 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:09:18,955 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:09:18,955 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 19 transitions, 57 flow [2022-12-06 00:09:18,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 20 places, 19 transitions, 57 flow [2022-12-06 00:09:18,960 INFO L130 PetriNetUnfolder]: 8/31 cut-off events. [2022-12-06 00:09:18,960 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 00:09:18,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 31 events. 8/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 25. Up to 10 conditions per place. [2022-12-06 00:09:18,961 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 19 transitions, 57 flow [2022-12-06 00:09:18,961 INFO L188 LiptonReduction]: Number of co-enabled transitions 72 [2022-12-06 00:09:18,961 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:09:18,962 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 10 [2022-12-06 00:09:18,963 INFO L495 AbstractCegarLoop]: Abstraction has has 20 places, 19 transitions, 57 flow [2022-12-06 00:09:18,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:09:18,963 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:09:18,963 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:09:18,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 00:09:18,963 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 00:09:18,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:09:18,964 INFO L85 PathProgramCache]: Analyzing trace with hash 640615258, now seen corresponding path program 1 times [2022-12-06 00:09:18,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:09:18,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614676085] [2022-12-06 00:09:18,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:09:18,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:09:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:09:19,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:09:19,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:09:19,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614676085] [2022-12-06 00:09:19,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614676085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:09:19,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:09:19,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 00:09:19,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172281826] [2022-12-06 00:09:19,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:09:19,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 00:09:19,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:09:19,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 00:09:19,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 00:09:19,060 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 00:09:19,060 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 19 transitions, 57 flow. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:09:19,060 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:09:19,060 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 00:09:19,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:09:19,135 INFO L130 PetriNetUnfolder]: 111/210 cut-off events. [2022-12-06 00:09:19,135 INFO L131 PetriNetUnfolder]: For 45/48 co-relation queries the response was YES. [2022-12-06 00:09:19,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 210 events. 111/210 cut-off events. For 45/48 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 773 event pairs, 54 based on Foata normal form. 10/215 useless extension candidates. Maximal degree in co-relation 171. Up to 124 conditions per place. [2022-12-06 00:09:19,136 INFO L137 encePairwiseOnDemand]: 12/17 looper letters, 35 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2022-12-06 00:09:19,137 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 40 transitions, 194 flow [2022-12-06 00:09:19,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 00:09:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 00:09:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2022-12-06 00:09:19,138 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4823529411764706 [2022-12-06 00:09:19,138 INFO L175 Difference]: Start difference. First operand has 20 places, 19 transitions, 57 flow. Second operand 5 states and 41 transitions. [2022-12-06 00:09:19,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 40 transitions, 194 flow [2022-12-06 00:09:19,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 40 transitions, 189 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 00:09:19,140 INFO L231 Difference]: Finished difference. Result has 26 places, 22 transitions, 84 flow [2022-12-06 00:09:19,140 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=84, PETRI_PLACES=26, PETRI_TRANSITIONS=22} [2022-12-06 00:09:19,140 INFO L294 CegarLoopForPetriNet]: 21 programPoint places, 5 predicate places. [2022-12-06 00:09:19,140 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:09:19,140 INFO L89 Accepts]: Start accepts. Operand has 26 places, 22 transitions, 84 flow [2022-12-06 00:09:19,141 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:09:19,141 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:09:19,141 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 26 places, 22 transitions, 84 flow [2022-12-06 00:09:19,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 22 transitions, 84 flow [2022-12-06 00:09:19,146 INFO L130 PetriNetUnfolder]: 9/49 cut-off events. [2022-12-06 00:09:19,146 INFO L131 PetriNetUnfolder]: For 4/5 co-relation queries the response was YES. [2022-12-06 00:09:19,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 49 events. 9/49 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 130 event pairs, 0 based on Foata normal form. 1/46 useless extension candidates. Maximal degree in co-relation 48. Up to 13 conditions per place. [2022-12-06 00:09:19,147 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 22 transitions, 84 flow [2022-12-06 00:09:19,147 INFO L188 LiptonReduction]: Number of co-enabled transitions 86 [2022-12-06 00:09:20,439 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 00:09:20,440 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1300 [2022-12-06 00:09:20,441 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 22 transitions, 90 flow [2022-12-06 00:09:20,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:09:20,441 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:09:20,441 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:09:20,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 00:09:20,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 00:09:20,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:09:20,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1747011393, now seen corresponding path program 1 times [2022-12-06 00:09:20,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:09:20,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479410518] [2022-12-06 00:09:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:09:20,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:09:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:09:20,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 00:09:20,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:09:20,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479410518] [2022-12-06 00:09:20,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479410518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:09:20,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:09:20,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 00:09:20,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674942568] [2022-12-06 00:09:20,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:09:20,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 00:09:20,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:09:20,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 00:09:20,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 00:09:20,499 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 19 [2022-12-06 00:09:20,499 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 22 transitions, 90 flow. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:09:20,499 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:09:20,500 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 19 [2022-12-06 00:09:20,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:09:20,550 INFO L130 PetriNetUnfolder]: 83/163 cut-off events. [2022-12-06 00:09:20,550 INFO L131 PetriNetUnfolder]: For 66/72 co-relation queries the response was YES. [2022-12-06 00:09:20,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 407 conditions, 163 events. 83/163 cut-off events. For 66/72 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 560 event pairs, 42 based on Foata normal form. 12/172 useless extension candidates. Maximal degree in co-relation 304. Up to 123 conditions per place. [2022-12-06 00:09:20,551 INFO L137 encePairwiseOnDemand]: 16/19 looper letters, 18 selfloop transitions, 0 changer transitions 17/36 dead transitions. [2022-12-06 00:09:20,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 36 transitions, 191 flow [2022-12-06 00:09:20,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 00:09:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 00:09:20,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2022-12-06 00:09:20,552 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4868421052631579 [2022-12-06 00:09:20,552 INFO L175 Difference]: Start difference. First operand has 26 places, 22 transitions, 90 flow. Second operand 4 states and 37 transitions. [2022-12-06 00:09:20,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 36 transitions, 191 flow [2022-12-06 00:09:20,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 36 transitions, 181 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-12-06 00:09:20,554 INFO L231 Difference]: Finished difference. Result has 30 places, 19 transitions, 66 flow [2022-12-06 00:09:20,554 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=19, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=66, PETRI_PLACES=30, PETRI_TRANSITIONS=19} [2022-12-06 00:09:20,554 INFO L294 CegarLoopForPetriNet]: 21 programPoint places, 9 predicate places. [2022-12-06 00:09:20,554 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:09:20,554 INFO L89 Accepts]: Start accepts. Operand has 30 places, 19 transitions, 66 flow [2022-12-06 00:09:20,555 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:09:20,555 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:09:20,555 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 19 transitions, 66 flow [2022-12-06 00:09:20,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 24 places, 19 transitions, 66 flow [2022-12-06 00:09:20,558 INFO L130 PetriNetUnfolder]: 8/31 cut-off events. [2022-12-06 00:09:20,558 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 00:09:20,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 31 events. 8/31 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 52 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 43. Up to 10 conditions per place. [2022-12-06 00:09:20,559 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 24 places, 19 transitions, 66 flow [2022-12-06 00:09:20,559 INFO L188 LiptonReduction]: Number of co-enabled transitions 72 [2022-12-06 00:09:20,559 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:09:20,560 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-06 00:09:20,560 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 19 transitions, 66 flow [2022-12-06 00:09:20,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:09:20,560 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:09:20,560 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:09:20,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 00:09:20,561 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 00:09:20,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:09:20,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1045770319, now seen corresponding path program 1 times [2022-12-06 00:09:20,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:09:20,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497937773] [2022-12-06 00:09:20,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:09:20,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:09:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:09:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 00:09:20,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:09:20,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497937773] [2022-12-06 00:09:20,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497937773] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:09:20,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:09:20,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 00:09:20,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746245621] [2022-12-06 00:09:20,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:09:20,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 00:09:20,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:09:20,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 00:09:20,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 00:09:20,605 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 17 [2022-12-06 00:09:20,606 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 19 transitions, 66 flow. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 00:09:20,606 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:09:20,606 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 17 [2022-12-06 00:09:20,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:09:20,645 INFO L130 PetriNetUnfolder]: 68/121 cut-off events. [2022-12-06 00:09:20,645 INFO L131 PetriNetUnfolder]: For 51/51 co-relation queries the response was YES. [2022-12-06 00:09:20,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 323 conditions, 121 events. 68/121 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 342 event pairs, 23 based on Foata normal form. 12/132 useless extension candidates. Maximal degree in co-relation 306. Up to 92 conditions per place. [2022-12-06 00:09:20,646 INFO L137 encePairwiseOnDemand]: 13/17 looper letters, 21 selfloop transitions, 4 changer transitions 0/26 dead transitions. [2022-12-06 00:09:20,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 26 transitions, 139 flow [2022-12-06 00:09:20,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 00:09:20,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 00:09:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-12-06 00:09:20,647 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.39705882352941174 [2022-12-06 00:09:20,648 INFO L175 Difference]: Start difference. First operand has 24 places, 19 transitions, 66 flow. Second operand 4 states and 27 transitions. [2022-12-06 00:09:20,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 26 transitions, 139 flow [2022-12-06 00:09:20,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 26 transitions, 123 flow, removed 8 selfloop flow, removed 5 redundant places. [2022-12-06 00:09:20,649 INFO L231 Difference]: Finished difference. Result has 23 places, 20 transitions, 71 flow [2022-12-06 00:09:20,649 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=17, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=71, PETRI_PLACES=23, PETRI_TRANSITIONS=20} [2022-12-06 00:09:20,649 INFO L294 CegarLoopForPetriNet]: 21 programPoint places, 2 predicate places. [2022-12-06 00:09:20,649 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:09:20,649 INFO L89 Accepts]: Start accepts. Operand has 23 places, 20 transitions, 71 flow [2022-12-06 00:09:20,650 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:09:20,650 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:09:20,650 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 20 transitions, 71 flow [2022-12-06 00:09:20,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 20 transitions, 71 flow [2022-12-06 00:09:20,653 INFO L130 PetriNetUnfolder]: 7/28 cut-off events. [2022-12-06 00:09:20,653 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 00:09:20,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 28 events. 7/28 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 31. Up to 9 conditions per place. [2022-12-06 00:09:20,653 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 20 transitions, 71 flow [2022-12-06 00:09:20,653 INFO L188 LiptonReduction]: Number of co-enabled transitions 78 [2022-12-06 00:09:20,655 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 00:09:20,656 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 00:09:20,656 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 00:09:20,656 INFO L89 Accepts]: Start accepts. Operand has 23 places, 18 transitions, 57 flow [2022-12-06 00:09:20,657 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:09:20,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 00:09:20,657 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 00:09:20,659 INFO L158 Benchmark]: Toolchain (without parser) took 6333.90ms. Allocated memory was 187.7MB in the beginning and 242.2MB in the end (delta: 54.5MB). Free memory was 163.1MB in the beginning and 203.7MB in the end (delta: -40.6MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2022-12-06 00:09:20,660 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory was 164.5MB in the beginning and 164.5MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 00:09:20,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.45ms. Allocated memory is still 187.7MB. Free memory was 163.1MB in the beginning and 151.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 00:09:20,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.63ms. Allocated memory is still 187.7MB. Free memory was 151.1MB in the beginning and 149.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 00:09:20,660 INFO L158 Benchmark]: Boogie Preprocessor took 31.03ms. Allocated memory is still 187.7MB. Free memory was 149.5MB in the beginning and 147.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 00:09:20,661 INFO L158 Benchmark]: RCFGBuilder took 562.04ms. Allocated memory is still 187.7MB. Free memory was 147.9MB in the beginning and 123.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-12-06 00:09:20,661 INFO L158 Benchmark]: TraceAbstraction took 5521.64ms. Allocated memory was 187.7MB in the beginning and 242.2MB in the end (delta: 54.5MB). Free memory was 122.2MB in the beginning and 203.7MB in the end (delta: -81.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 00:09:20,662 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 187.7MB. Free memory was 164.5MB in the beginning and 164.5MB in the end (delta: 75.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 164.45ms. Allocated memory is still 187.7MB. Free memory was 163.1MB in the beginning and 151.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.63ms. Allocated memory is still 187.7MB. Free memory was 151.1MB in the beginning and 149.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.03ms. Allocated memory is still 187.7MB. Free memory was 149.5MB in the beginning and 147.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 562.04ms. Allocated memory is still 187.7MB. Free memory was 147.9MB in the beginning and 123.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 5521.64ms. Allocated memory was 187.7MB in the beginning and 242.2MB in the end (delta: 54.5MB). Free memory was 122.2MB in the beginning and 203.7MB in the end (delta: -81.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 95 PlacesBefore, 21 PlacesAfterwards, 97 TransitionsBefore, 17 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 55 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 80 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 281, independent: 278, independent conditional: 278, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 281, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 281, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 281, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 281, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 281, independent: 278, independent conditional: 0, independent unconditional: 278, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 281, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 281, unknown conditional: 0, unknown unconditional: 281] , Statistics on independence cache: Total cache size (in pairs): 447, Positive cache size: 444, Positive conditional cache size: 0, Positive unconditional cache size: 444, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 20 PlacesBefore, 20 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 26 PlacesBefore, 26 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 24 PlacesBefore, 24 PlacesAfterwards, 19 TransitionsBefore, 19 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 23 PlacesBefore, 23 PlacesAfterwards, 20 TransitionsBefore, 18 TransitionsAfterwards, 78 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14, independent: 14, independent conditional: 14, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14, independent: 14, independent conditional: 6, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14, independent: 14, independent conditional: 6, independent unconditional: 8, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 14, independent: 7, independent conditional: 3, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 7, unknown conditional: 3, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 7, Positive conditional cache size: 3, Positive unconditional cache size: 4, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8, Maximal queried relation: 0 - ExceptionOrErrorResult: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Lipton reduction run adaptation failed, and the cached counterexample word is no longer accepted by reduced abstraction!: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:132) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 00:09:20,677 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...