/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 05:27:58,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:27:58,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:27:58,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:27:58,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:27:58,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:27:58,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:27:58,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:27:58,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:27:58,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:27:58,123 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:27:58,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:27:58,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:27:58,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:27:58,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:27:58,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:27:58,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:27:58,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:27:58,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:27:58,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:27:58,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:27:58,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:27:58,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:27:58,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:27:58,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 05:27:58,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 05:27:58,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 05:27:58,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 05:27:58,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 05:27:58,152 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 05:27:58,152 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:27:58,153 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:27:58,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:27:58,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:27:58,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:27:58,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:27:58,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:27:58,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:27:58,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:27:58,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:27:58,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:27:58,159 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 05:27:58,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:27:58,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:27:58,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:27:58,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:27:58,194 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:27:58,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:27:58,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:27:58,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:27:58,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:27:58,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:27:58,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:27:58,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:27:58,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:27:58,197 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:27:58,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:27:58,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:27:58,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:27:58,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:27:58,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:27:58,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:27:58,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:27:58,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:27:58,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:27:58,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:27:58,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:27:58,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:27:58,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:27:58,199 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:27:58,199 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:27:58,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:27:58,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:27:58,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:27:58,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:27:58,540 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:27:58,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2022-12-06 05:27:59,673 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:27:59,888 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:27:59,889 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure1-alt.wvr.c [2022-12-06 05:27:59,894 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3e075a7/f57d36179f3f4577a884bcc6f3675f3f/FLAG54750151c [2022-12-06 05:27:59,909 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d3e075a7/f57d36179f3f4577a884bcc6f3675f3f [2022-12-06 05:27:59,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:27:59,913 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:27:59,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:27:59,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:27:59,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:27:59,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:59" (1/1) ... [2022-12-06 05:27:59,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ade8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:27:59, skipping insertion in model container [2022-12-06 05:27:59,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:27:59" (1/1) ... [2022-12-06 05:27:59,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:27:59,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:28:00,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:28:00,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:28:00,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:28:00,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:28:00,117 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-figure1-alt.wvr.c[2087,2100] [2022-12-06 05:28:00,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:28:00,130 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:28:00,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:28:00,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:28:00,150 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:28:00,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:28:00,158 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-figure1-alt.wvr.c[2087,2100] [2022-12-06 05:28:00,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:28:00,176 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:28:00,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00 WrapperNode [2022-12-06 05:28:00,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:28:00,177 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:28:00,178 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:28:00,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:28:00,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,213 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76 [2022-12-06 05:28:00,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:28:00,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:28:00,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:28:00,215 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:28:00,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:28:00,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:28:00,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:28:00,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:28:00,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (1/1) ... [2022-12-06 05:28:00,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:28:00,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:28:00,289 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 05:28:00,315 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 05:28:00,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:28:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 05:28:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 05:28:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 05:28:00,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 05:28:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:28:00,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:28:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:28:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 05:28:00,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 05:28:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:28:00,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:28:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:28:00,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:28:00,337 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 05:28:00,443 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:28:00,445 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:28:00,688 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:28:00,723 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:28:00,723 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-06 05:28:00,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:00 BoogieIcfgContainer [2022-12-06 05:28:00,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:28:00,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:28:00,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:28:00,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:28:00,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:27:59" (1/3) ... [2022-12-06 05:28:00,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78819cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:28:00, skipping insertion in model container [2022-12-06 05:28:00,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:28:00" (2/3) ... [2022-12-06 05:28:00,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78819cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:28:00, skipping insertion in model container [2022-12-06 05:28:00,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:28:00" (3/3) ... [2022-12-06 05:28:00,733 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure1-alt.wvr.c [2022-12-06 05:28:00,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:28:00,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 05:28:00,751 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:28:00,829 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 05:28:00,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 82 transitions, 180 flow [2022-12-06 05:28:00,939 INFO L130 PetriNetUnfolder]: 6/80 cut-off events. [2022-12-06 05:28:00,939 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 05:28:00,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 80 events. 6/80 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-06 05:28:00,946 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 82 transitions, 180 flow [2022-12-06 05:28:00,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 72 transitions, 156 flow [2022-12-06 05:28:00,953 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:28:00,973 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 72 transitions, 156 flow [2022-12-06 05:28:00,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 72 transitions, 156 flow [2022-12-06 05:28:01,009 INFO L130 PetriNetUnfolder]: 6/72 cut-off events. [2022-12-06 05:28:01,010 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 05:28:01,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 72 events. 6/72 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2022-12-06 05:28:01,013 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 72 transitions, 156 flow [2022-12-06 05:28:01,013 INFO L188 LiptonReduction]: Number of co-enabled transitions 500 [2022-12-06 05:28:03,655 INFO L203 LiptonReduction]: Total number of compositions: 57 [2022-12-06 05:28:03,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:28:03,673 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;@13a4e372, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:28:03,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 05:28:03,677 INFO L130 PetriNetUnfolder]: 2/14 cut-off events. [2022-12-06 05:28:03,677 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 05:28:03,677 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:28:03,678 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:28:03,678 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 05:28:03,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:28:03,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1479609409, now seen corresponding path program 1 times [2022-12-06 05:28:03,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:28:03,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121224696] [2022-12-06 05:28:03,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:28:03,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:28:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:28:04,217 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 05:28:04,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:28:04,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121224696] [2022-12-06 05:28:04,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121224696] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:28:04,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:28:04,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 05:28:04,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481666946] [2022-12-06 05:28:04,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:28:04,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 05:28:04,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:28:04,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 05:28:04,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-12-06 05:28:04,245 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 15 [2022-12-06 05:28:04,246 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 15 transitions, 42 flow. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 05:28:04,246 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:28:04,246 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 15 [2022-12-06 05:28:04,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:28:04,415 INFO L130 PetriNetUnfolder]: 76/144 cut-off events. [2022-12-06 05:28:04,416 INFO L131 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2022-12-06 05:28:04,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 144 events. 76/144 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 405 event pairs, 14 based on Foata normal form. 1/111 useless extension candidates. Maximal degree in co-relation 232. Up to 81 conditions per place. [2022-12-06 05:28:04,418 INFO L137 encePairwiseOnDemand]: 7/15 looper letters, 33 selfloop transitions, 9 changer transitions 5/47 dead transitions. [2022-12-06 05:28:04,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 47 transitions, 221 flow [2022-12-06 05:28:04,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 05:28:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 05:28:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 48 transitions. [2022-12-06 05:28:04,428 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.45714285714285713 [2022-12-06 05:28:04,430 INFO L175 Difference]: Start difference. First operand has 20 places, 15 transitions, 42 flow. Second operand 7 states and 48 transitions. [2022-12-06 05:28:04,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 47 transitions, 221 flow [2022-12-06 05:28:04,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 47 transitions, 199 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-06 05:28:04,435 INFO L231 Difference]: Finished difference. Result has 27 places, 23 transitions, 94 flow [2022-12-06 05:28:04,437 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=15, PETRI_DIFFERENCE_MINUEND_FLOW=34, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=94, PETRI_PLACES=27, PETRI_TRANSITIONS=23} [2022-12-06 05:28:04,440 INFO L294 CegarLoopForPetriNet]: 20 programPoint places, 7 predicate places. [2022-12-06 05:28:04,440 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:28:04,441 INFO L89 Accepts]: Start accepts. Operand has 27 places, 23 transitions, 94 flow [2022-12-06 05:28:04,443 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:28:04,443 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:28:04,444 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 23 transitions, 94 flow [2022-12-06 05:28:04,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 26 places, 23 transitions, 94 flow [2022-12-06 05:28:04,450 INFO L130 PetriNetUnfolder]: 9/37 cut-off events. [2022-12-06 05:28:04,451 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 05:28:04,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 37 events. 9/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 68. Up to 9 conditions per place. [2022-12-06 05:28:04,451 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 26 places, 23 transitions, 94 flow [2022-12-06 05:28:04,452 INFO L188 LiptonReduction]: Number of co-enabled transitions 94 [2022-12-06 05:28:04,455 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [304] L51-4-->thread2EXIT: Formula: (and (not (< |v_thread2Thread1of1ForFork1_~i~1#1_In_3| v_~N2~0_In_6)) (= |v_thread2Thread1of1ForFork1_#res#1.base_Out_4| 0) (= |v_thread2Thread1of1ForFork1_#res#1.offset_Out_4| 0)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_In_3|, ~N2~0=v_~N2~0_In_6} OutVars{thread2Thread1of1ForFork1_#res#1.base=|v_thread2Thread1of1ForFork1_#res#1.base_Out_4|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_In_3|, ~N2~0=v_~N2~0_In_6, thread2Thread1of1ForFork1_#res#1.offset=|v_thread2Thread1of1ForFork1_#res#1.offset_Out_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res#1.base, thread2Thread1of1ForFork1_#res#1.offset] and [212] $Ultimate##0-->L41-4: Formula: (= v_thread1Thread1of1ForFork0_~i~0_1 0) InVars {} OutVars{thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_1} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_~i~0] [2022-12-06 05:28:04,487 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [304] L51-4-->thread2EXIT: Formula: (and (not (< |v_thread2Thread1of1ForFork1_~i~1#1_In_3| v_~N2~0_In_6)) (= |v_thread2Thread1of1ForFork1_#res#1.base_Out_4| 0) (= |v_thread2Thread1of1ForFork1_#res#1.offset_Out_4| 0)) InVars {thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_In_3|, ~N2~0=v_~N2~0_In_6} OutVars{thread2Thread1of1ForFork1_#res#1.base=|v_thread2Thread1of1ForFork1_#res#1.base_Out_4|, thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_In_3|, ~N2~0=v_~N2~0_In_6, thread2Thread1of1ForFork1_#res#1.offset=|v_thread2Thread1of1ForFork1_#res#1.offset_Out_4|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res#1.base, thread2Thread1of1ForFork1_#res#1.offset] and [301] L41-4-->L41-4: Formula: (and (= v_~counter~0_104 (+ v_~counter~0_105 1)) (= (+ v_thread1Thread1of1ForFork0_~i~0_36 1) v_thread1Thread1of1ForFork0_~i~0_35) (< v_thread1Thread1of1ForFork0_~i~0_36 v_~N1~0_59)) InVars {~counter~0=v_~counter~0_105, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_36, ~N1~0=v_~N1~0_59} OutVars{~counter~0=v_~counter~0_104, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_19|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_17|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_35, ~N1~0=v_~N1~0_59} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] [2022-12-06 05:28:04,543 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-06 05:28:04,666 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [222] $Ultimate##0-->L51-4: Formula: (= |v_thread2Thread1of1ForFork1_~i~1#1_1| 0) InVars {} OutVars{thread2Thread1of1ForFork1_~i~1#1=|v_thread2Thread1of1ForFork1_~i~1#1_1|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_~i~1#1] and [301] L41-4-->L41-4: Formula: (and (= v_~counter~0_104 (+ v_~counter~0_105 1)) (= (+ v_thread1Thread1of1ForFork0_~i~0_36 1) v_thread1Thread1of1ForFork0_~i~0_35) (< v_thread1Thread1of1ForFork0_~i~0_36 v_~N1~0_59)) InVars {~counter~0=v_~counter~0_105, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_36, ~N1~0=v_~N1~0_59} OutVars{~counter~0=v_~counter~0_104, thread1Thread1of1ForFork0_#t~post1=|v_thread1Thread1of1ForFork0_#t~post1_19|, thread1Thread1of1ForFork0_#t~post2=|v_thread1Thread1of1ForFork0_#t~post2_17|, thread1Thread1of1ForFork0_~i~0=v_thread1Thread1of1ForFork0_~i~0_35, ~N1~0=v_~N1~0_59} AuxVars[] AssignedVars[~counter~0, thread1Thread1of1ForFork0_#t~post1, thread1Thread1of1ForFork0_#t~post2, thread1Thread1of1ForFork0_~i~0] [2022-12-06 05:28:04,772 INFO L203 LiptonReduction]: Total number of compositions: 3 [2022-12-06 05:28:04,774 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-06 05:28:04,774 INFO L89 Accepts]: Start accepts. Operand has 23 places, 20 transitions, 96 flow [2022-12-06 05:28:04,775 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:28:04,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:28:04,775 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 05:28:04,778 INFO L158 Benchmark]: Toolchain (without parser) took 4864.49ms. Allocated memory was 181.4MB in the beginning and 223.3MB in the end (delta: 41.9MB). Free memory was 158.3MB in the beginning and 192.2MB in the end (delta: -33.9MB). Peak memory consumption was 124.5MB. Max. memory is 8.0GB. [2022-12-06 05:28:04,778 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 05:28:04,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.60ms. Allocated memory is still 181.4MB. Free memory was 157.8MB in the beginning and 146.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-06 05:28:04,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.54ms. Allocated memory is still 181.4MB. Free memory was 146.8MB in the beginning and 145.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:28:04,780 INFO L158 Benchmark]: Boogie Preprocessor took 33.34ms. Allocated memory is still 181.4MB. Free memory was 145.2MB in the beginning and 143.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 05:28:04,780 INFO L158 Benchmark]: RCFGBuilder took 476.76ms. Allocated memory is still 181.4MB. Free memory was 143.7MB in the beginning and 129.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-06 05:28:04,781 INFO L158 Benchmark]: TraceAbstraction took 4049.81ms. Allocated memory was 181.4MB in the beginning and 223.3MB in the end (delta: 41.9MB). Free memory was 128.9MB in the beginning and 192.2MB in the end (delta: -63.2MB). Peak memory consumption was 96.2MB. Max. memory is 8.0GB. [2022-12-06 05:28:04,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 158.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 261.60ms. Allocated memory is still 181.4MB. Free memory was 157.8MB in the beginning and 146.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.54ms. Allocated memory is still 181.4MB. Free memory was 146.8MB in the beginning and 145.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.34ms. Allocated memory is still 181.4MB. Free memory was 145.2MB in the beginning and 143.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 476.76ms. Allocated memory is still 181.4MB. Free memory was 143.7MB in the beginning and 129.5MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 4049.81ms. Allocated memory was 181.4MB in the beginning and 223.3MB in the end (delta: 41.9MB). Free memory was 128.9MB in the beginning and 192.2MB in the end (delta: -63.2MB). Peak memory consumption was 96.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 73 PlacesBefore, 20 PlacesAfterwards, 72 TransitionsBefore, 15 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 34 TrivialYvCompositions, 19 ConcurrentYvCompositions, 4 ChoiceCompositions, 57 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 262, independent: 260, independent conditional: 260, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 262, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 262, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 262, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 262, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 262, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 262, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 262, unknown conditional: 0, unknown unconditional: 262] , Statistics on independence cache: Total cache size (in pairs): 413, Positive cache size: 411, Positive conditional cache size: 0, Positive unconditional cache size: 411, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, 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: 0.3s, 26 PlacesBefore, 23 PlacesAfterwards, 23 TransitionsBefore, 20 TransitionsAfterwards, 94 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, independent: 29, independent conditional: 29, 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: 29, independent: 29, independent conditional: 29, 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: 29, independent: 29, independent conditional: 13, independent unconditional: 16, 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: 29, independent: 29, independent conditional: 13, independent unconditional: 16, 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: 10, independent: 10, independent conditional: 6, 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: 10, independent: 10, independent conditional: 0, independent unconditional: 10, 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: 29, independent: 19, independent conditional: 7, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 10, unknown conditional: 6, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 10, Positive cache size: 10, Positive conditional cache size: 6, 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: 16, 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 05:28:04,812 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...