/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-more-array-sum2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 00:13:58,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 00:13:58,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 00:13:58,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 00:13:58,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 00:13:58,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 00:13:58,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 00:13:58,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 00:13:58,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 00:13:58,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 00:13:58,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 00:13:58,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 00:13:58,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 00:13:58,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 00:13:58,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 00:13:58,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 00:13:58,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 00:13:58,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 00:13:58,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 00:13:58,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 00:13:58,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 00:13:58,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 00:13:58,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 00:13:58,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 00:13:58,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 00:13:58,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 00:13:58,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 00:13:58,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 00:13:58,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 00:13:58,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 00:13:58,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 00:13:58,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 00:13:58,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 00:13:58,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 00:13:58,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 00:13:58,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 00:13:58,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 00:13:58,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 00:13:58,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 00:13:58,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 00:13:58,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 00:13:58,231 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 00:13:58,264 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 00:13:58,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 00:13:58,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 00:13:58,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 00:13:58,266 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 00:13:58,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 00:13:58,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 00:13:58,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 00:13:58,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 00:13:58,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 00:13:58,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 00:13:58,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 00:13:58,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 00:13:58,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 00:13:58,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 00:13:58,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 00:13:58,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 00:13:58,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 00:13:58,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 00:13:58,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 00:13:58,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 00:13:58,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:13:58,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 00:13:58,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 00:13:58,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 00:13:58,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 00:13:58,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 00:13:58,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 00:13:58,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 00:13:58,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 00:13:58,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 00:13:58,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 00:13:58,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 00:13:58,646 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 00:13:58,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2022-12-06 00:13:59,886 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 00:14:00,096 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 00:14:00,099 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2022-12-06 00:14:00,105 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0300863f2/14dc7ca54d454745870359000ecd1fbc/FLAG2a8295d56 [2022-12-06 00:14:00,117 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0300863f2/14dc7ca54d454745870359000ecd1fbc [2022-12-06 00:14:00,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 00:14:00,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 00:14:00,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 00:14:00,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 00:14:00,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 00:14:00,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b9f7f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00, skipping insertion in model container [2022-12-06 00:14:00,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 00:14:00,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 00:14:00,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:14:00,276 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:14:00,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:14:00,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:14:00,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:14:00,283 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:14:00,290 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-more-array-sum2.wvr.c[2599,2612] [2022-12-06 00:14:00,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:14:00,307 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 00:14:00,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:14:00,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:14:00,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:14:00,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:14:00,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:14:00,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:14:00,333 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-more-array-sum2.wvr.c[2599,2612] [2022-12-06 00:14:00,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:14:00,352 INFO L208 MainTranslator]: Completed translation [2022-12-06 00:14:00,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00 WrapperNode [2022-12-06 00:14:00,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 00:14:00,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 00:14:00,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 00:14:00,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 00:14:00,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,429 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 271 [2022-12-06 00:14:00,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 00:14:00,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 00:14:00,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 00:14:00,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 00:14:00,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,479 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 00:14:00,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 00:14:00,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 00:14:00,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 00:14:00,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (1/1) ... [2022-12-06 00:14:00,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:14:00,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 00:14:00,524 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 00:14:00,550 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 00:14:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 00:14:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 00:14:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 00:14:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 00:14:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 00:14:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 00:14:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 00:14:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 00:14:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 00:14:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 00:14:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 00:14:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 00:14:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 00:14:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 00:14:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 00:14:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 00:14:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 00:14:00,574 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 00:14:00,737 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 00:14:00,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 00:14:01,102 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 00:14:01,419 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 00:14:01,419 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-06 00:14:01,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:01 BoogieIcfgContainer [2022-12-06 00:14:01,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 00:14:01,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 00:14:01,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 00:14:01,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 00:14:01,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 12:14:00" (1/3) ... [2022-12-06 00:14:01,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6ebb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:14:01, skipping insertion in model container [2022-12-06 00:14:01,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:14:00" (2/3) ... [2022-12-06 00:14:01,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6ebb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:14:01, skipping insertion in model container [2022-12-06 00:14:01,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:14:01" (3/3) ... [2022-12-06 00:14:01,432 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2022-12-06 00:14:01,448 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 00:14:01,448 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 00:14:01,448 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 00:14:01,520 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-06 00:14:01,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 176 transitions, 376 flow [2022-12-06 00:14:01,657 INFO L130 PetriNetUnfolder]: 16/173 cut-off events. [2022-12-06 00:14:01,657 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 00:14:01,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 173 events. 16/173 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 105 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 137. Up to 2 conditions per place. [2022-12-06 00:14:01,664 INFO L82 GeneralOperation]: Start removeDead. Operand has 170 places, 176 transitions, 376 flow [2022-12-06 00:14:01,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 163 transitions, 344 flow [2022-12-06 00:14:01,672 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:14:01,694 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 163 transitions, 344 flow [2022-12-06 00:14:01,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 163 transitions, 344 flow [2022-12-06 00:14:01,753 INFO L130 PetriNetUnfolder]: 16/163 cut-off events. [2022-12-06 00:14:01,754 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 00:14:01,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 163 events. 16/163 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 104 event pairs, 0 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 137. Up to 2 conditions per place. [2022-12-06 00:14:01,760 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 163 transitions, 344 flow [2022-12-06 00:14:01,760 INFO L188 LiptonReduction]: Number of co-enabled transitions 1320 [2022-12-06 00:14:09,571 INFO L203 LiptonReduction]: Total number of compositions: 137 [2022-12-06 00:14:09,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 00:14:09,588 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;@4e5e4964, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 00:14:09,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 00:14:09,594 INFO L130 PetriNetUnfolder]: 5/25 cut-off events. [2022-12-06 00:14:09,594 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 00:14:09,594 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:14:09,594 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:14:09,595 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 00:14:09,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:14:09,599 INFO L85 PathProgramCache]: Analyzing trace with hash 902596479, now seen corresponding path program 1 times [2022-12-06 00:14:09,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:14:09,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851348097] [2022-12-06 00:14:09,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:14:09,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:14:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:14:10,073 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 00:14:10,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:14:10,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851348097] [2022-12-06 00:14:10,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851348097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:14:10,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:14:10,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 00:14:10,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194206874] [2022-12-06 00:14:10,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:14:10,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 00:14:10,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:14:10,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 00:14:10,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 00:14:10,106 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 26 [2022-12-06 00:14:10,107 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 26 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 00:14:10,107 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:14:10,108 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 26 [2022-12-06 00:14:10,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:14:10,283 INFO L130 PetriNetUnfolder]: 339/472 cut-off events. [2022-12-06 00:14:10,283 INFO L131 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2022-12-06 00:14:10,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 988 conditions, 472 events. 339/472 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1518 event pairs, 132 based on Foata normal form. 0/310 useless extension candidates. Maximal degree in co-relation 756. Up to 365 conditions per place. [2022-12-06 00:14:10,288 INFO L137 encePairwiseOnDemand]: 22/26 looper letters, 31 selfloop transitions, 3 changer transitions 0/36 dead transitions. [2022-12-06 00:14:10,288 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 36 transitions, 164 flow [2022-12-06 00:14:10,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 00:14:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 00:14:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 43 transitions. [2022-12-06 00:14:10,298 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.41346153846153844 [2022-12-06 00:14:10,300 INFO L175 Difference]: Start difference. First operand has 31 places, 26 transitions, 70 flow. Second operand 4 states and 43 transitions. [2022-12-06 00:14:10,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 36 transitions, 164 flow [2022-12-06 00:14:10,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 36 transitions, 148 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-06 00:14:10,304 INFO L231 Difference]: Finished difference. Result has 29 places, 27 transitions, 72 flow [2022-12-06 00:14:10,306 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=26, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=29, PETRI_TRANSITIONS=27} [2022-12-06 00:14:10,309 INFO L294 CegarLoopForPetriNet]: 31 programPoint places, -2 predicate places. [2022-12-06 00:14:10,309 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:14:10,310 INFO L89 Accepts]: Start accepts. Operand has 29 places, 27 transitions, 72 flow [2022-12-06 00:14:10,313 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:14:10,313 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:14:10,313 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 27 transitions, 72 flow [2022-12-06 00:14:10,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 27 transitions, 72 flow [2022-12-06 00:14:10,320 INFO L130 PetriNetUnfolder]: 5/27 cut-off events. [2022-12-06 00:14:10,321 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 00:14:10,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 27 events. 5/27 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 15 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 25. Up to 4 conditions per place. [2022-12-06 00:14:10,321 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 27 transitions, 72 flow [2022-12-06 00:14:10,322 INFO L188 LiptonReduction]: Number of co-enabled transitions 166 [2022-12-06 00:14:10,332 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 00:14:10,333 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 00:14:10,334 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 00:14:10,334 INFO L89 Accepts]: Start accepts. Operand has 29 places, 26 transitions, 67 flow [2022-12-06 00:14:10,335 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:14:10,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 00:14:10,336 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 00:14:10,339 INFO L158 Benchmark]: Toolchain (without parser) took 10217.28ms. Allocated memory was 183.5MB in the beginning and 329.3MB in the end (delta: 145.8MB). Free memory was 159.5MB in the beginning and 254.7MB in the end (delta: -95.3MB). Peak memory consumption was 51.5MB. Max. memory is 8.0GB. [2022-12-06 00:14:10,339 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory was 159.9MB in the beginning and 159.8MB in the end (delta: 66.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 00:14:10,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.31ms. Allocated memory is still 183.5MB. Free memory was 158.9MB in the beginning and 146.9MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 00:14:10,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.38ms. Allocated memory is still 183.5MB. Free memory was 146.9MB in the beginning and 143.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 00:14:10,340 INFO L158 Benchmark]: Boogie Preprocessor took 53.59ms. Allocated memory is still 183.5MB. Free memory was 143.8MB in the beginning and 142.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 00:14:10,341 INFO L158 Benchmark]: RCFGBuilder took 938.70ms. Allocated memory is still 183.5MB. Free memory was 142.2MB in the beginning and 148.6MB in the end (delta: -6.4MB). Peak memory consumption was 50.7MB. Max. memory is 8.0GB. [2022-12-06 00:14:10,341 INFO L158 Benchmark]: TraceAbstraction took 8912.60ms. Allocated memory was 183.5MB in the beginning and 329.3MB in the end (delta: 145.8MB). Free memory was 148.1MB in the beginning and 254.7MB in the end (delta: -106.6MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. [2022-12-06 00:14:10,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 183.5MB. Free memory was 159.9MB in the beginning and 159.8MB in the end (delta: 66.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 231.31ms. Allocated memory is still 183.5MB. Free memory was 158.9MB in the beginning and 146.9MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 74.38ms. Allocated memory is still 183.5MB. Free memory was 146.9MB in the beginning and 143.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.59ms. Allocated memory is still 183.5MB. Free memory was 143.8MB in the beginning and 142.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 938.70ms. Allocated memory is still 183.5MB. Free memory was 142.2MB in the beginning and 148.6MB in the end (delta: -6.4MB). Peak memory consumption was 50.7MB. Max. memory is 8.0GB. * TraceAbstraction took 8912.60ms. Allocated memory was 183.5MB in the beginning and 329.3MB in the end (delta: 145.8MB). Free memory was 148.1MB in the beginning and 254.7MB in the end (delta: -106.6MB). Peak memory consumption was 38.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 157 PlacesBefore, 31 PlacesAfterwards, 163 TransitionsBefore, 26 TransitionsAfterwards, 1320 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 96 TrivialYvCompositions, 30 ConcurrentYvCompositions, 11 ChoiceCompositions, 137 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 721, independent: 715, independent conditional: 715, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 721, independent: 715, independent conditional: 0, independent unconditional: 715, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 721, independent: 715, independent conditional: 0, independent unconditional: 715, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 721, independent: 715, independent conditional: 0, independent unconditional: 715, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 721, independent: 715, independent conditional: 0, independent unconditional: 715, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 721, independent: 715, independent conditional: 0, independent unconditional: 715, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 721, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 721, unknown conditional: 0, unknown unconditional: 721] , Statistics on independence cache: Total cache size (in pairs): 1137, Positive cache size: 1131, Positive conditional cache size: 0, Positive unconditional cache size: 1131, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 29 PlacesBefore, 29 PlacesAfterwards, 27 TransitionsBefore, 26 TransitionsAfterwards, 166 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, independent: 21, independent conditional: 21, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22, independent: 21, independent conditional: 21, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 22, independent: 21, independent conditional: 21, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 22, independent: 21, independent conditional: 21, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, independent: 21, independent conditional: 21, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 22, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 21, Positive conditional cache size: 21, Positive unconditional cache size: 0, Negative cache size: 1, Negative conditional cache size: 1, 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: 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 00:14:10,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...