/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/chl-sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 23:58:40,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 23:58:40,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 23:58:40,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 23:58:40,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 23:58:40,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 23:58:40,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 23:58:40,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 23:58:40,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 23:58:40,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 23:58:40,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 23:58:40,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 23:58:40,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 23:58:40,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 23:58:40,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 23:58:40,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 23:58:40,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 23:58:40,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 23:58:40,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 23:58:40,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 23:58:40,308 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 23:58:40,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 23:58:40,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 23:58:40,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 23:58:40,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 23:58:40,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 23:58:40,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 23:58:40,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 23:58:40,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 23:58:40,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 23:58:40,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 23:58:40,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 23:58:40,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 23:58:40,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 23:58:40,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 23:58:40,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 23:58:40,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 23:58:40,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 23:58:40,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 23:58:40,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 23:58:40,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 23:58:40,319 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 [2022-12-05 23:58:40,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 23:58:40,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 23:58:40,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 23:58:40,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 23:58:40,339 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 23:58:40,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 23:58:40,339 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 23:58:40,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 23:58:40,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 23:58:40,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 23:58:40,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 23:58:40,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 23:58:40,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 23:58:40,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 23:58:40,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:58:40,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 23:58:40,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 23:58:40,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 23:58:40,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 23:58:40,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 23:58:40,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-05 23:58:40,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 23:58:40,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 23:58:40,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 23:58:40,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 23:58:40,615 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 23:58:40,615 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 23:58:40,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-12-05 23:58:41,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 23:58:41,720 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 23:58:41,720 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2022-12-05 23:58:41,728 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d7b54a9/d78e2c7eb76444fea16df2a1acbcc562/FLAG7629ab79e [2022-12-05 23:58:41,740 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d7b54a9/d78e2c7eb76444fea16df2a1acbcc562 [2022-12-05 23:58:41,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 23:58:41,743 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 23:58:41,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 23:58:41,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 23:58:41,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 23:58:41,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:41,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a9257d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41, skipping insertion in model container [2022-12-05 23:58:41,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:41,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 23:58:41,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 23:58:41,921 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/chl-sre-subst.wvr.c[2333,2346] [2022-12-05 23:58:41,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:58:41,936 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 23:58:41,963 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/chl-sre-subst.wvr.c[2333,2346] [2022-12-05 23:58:41,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 23:58:41,973 INFO L208 MainTranslator]: Completed translation [2022-12-05 23:58:41,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41 WrapperNode [2022-12-05 23:58:41,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 23:58:41,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 23:58:41,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 23:58:41,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 23:58:41,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:41,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,009 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2022-12-05 23:58:42,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 23:58:42,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 23:58:42,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 23:58:42,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 23:58:42,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 23:58:42,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 23:58:42,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 23:58:42,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 23:58:42,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (1/1) ... [2022-12-05 23:58:42,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 23:58:42,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 23:58:42,076 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) [2022-12-05 23:58:42,111 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 [2022-12-05 23:58:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 23:58:42,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-05 23:58:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-05 23:58:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-05 23:58:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-05 23:58:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-05 23:58:42,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-05 23:58:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 23:58:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 23:58:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 23:58:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 23:58:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 23:58:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 23:58:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 23:58:42,141 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 23:58:42,229 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 23:58:42,230 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 23:58:42,391 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 23:58:42,396 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 23:58:42,397 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 23:58:42,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:42 BoogieIcfgContainer [2022-12-05 23:58:42,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 23:58:42,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 23:58:42,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 23:58:42,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 23:58:42,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 11:58:41" (1/3) ... [2022-12-05 23:58:42,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44de5f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:58:42, skipping insertion in model container [2022-12-05 23:58:42,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:58:41" (2/3) ... [2022-12-05 23:58:42,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44de5f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 11:58:42, skipping insertion in model container [2022-12-05 23:58:42,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:58:42" (3/3) ... [2022-12-05 23:58:42,403 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2022-12-05 23:58:42,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 23:58:42,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 23:58:42,415 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 23:58:42,454 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-05 23:58:42,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 87 transitions, 198 flow [2022-12-05 23:58:42,514 INFO L130 PetriNetUnfolder]: 2/84 cut-off events. [2022-12-05 23:58:42,514 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 23:58:42,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 84 events. 2/84 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 22 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2022-12-05 23:58:42,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 87 transitions, 198 flow [2022-12-05 23:58:42,521 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 74 transitions, 166 flow [2022-12-05 23:58:42,523 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:58:42,536 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 74 transitions, 166 flow [2022-12-05 23:58:42,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 74 transitions, 166 flow [2022-12-05 23:58:42,556 INFO L130 PetriNetUnfolder]: 2/74 cut-off events. [2022-12-05 23:58:42,556 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 23:58:42,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 74 events. 2/74 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-12-05 23:58:42,558 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 74 transitions, 166 flow [2022-12-05 23:58:42,558 INFO L188 LiptonReduction]: Number of co-enabled transitions 270 [2022-12-05 23:58:44,641 INFO L203 LiptonReduction]: Total number of compositions: 58 [2022-12-05 23:58:44,657 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 23:58:44,662 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;@1c5d75d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 23:58:44,662 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 23:58:44,668 INFO L130 PetriNetUnfolder]: 0/15 cut-off events. [2022-12-05 23:58:44,668 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 23:58:44,668 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 23:58:44,669 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 23:58:44,669 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)] === [2022-12-05 23:58:44,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 23:58:44,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1936724045, now seen corresponding path program 1 times [2022-12-05 23:58:44,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 23:58:44,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413534482] [2022-12-05 23:58:44,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 23:58:44,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 23:58:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 23:58:45,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 23:58:45,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 23:58:45,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413534482] [2022-12-05 23:58:45,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413534482] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 23:58:45,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 23:58:45,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-05 23:58:45,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248381330] [2022-12-05 23:58:45,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 23:58:45,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 23:58:45,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 23:58:45,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 23:58:45,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-05 23:58:45,946 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 16 [2022-12-05 23:58:45,947 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 50 flow. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-12-05 23:58:45,947 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 23:58:45,947 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 16 [2022-12-05 23:58:45,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 23:58:46,318 INFO L130 PetriNetUnfolder]: 38/100 cut-off events. [2022-12-05 23:58:46,318 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-12-05 23:58:46,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 100 events. 38/100 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 287 event pairs, 2 based on Foata normal form. 1/101 useless extension candidates. Maximal degree in co-relation 169. Up to 38 conditions per place. [2022-12-05 23:58:46,320 INFO L137 encePairwiseOnDemand]: 11/16 looper letters, 32 selfloop transitions, 6 changer transitions 7/45 dead transitions. [2022-12-05 23:58:46,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 45 transitions, 228 flow [2022-12-05 23:58:46,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 23:58:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 23:58:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 46 transitions. [2022-12-05 23:58:46,328 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4791666666666667 [2022-12-05 23:58:46,329 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 50 flow. Second operand 6 states and 46 transitions. [2022-12-05 23:58:46,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 45 transitions, 228 flow [2022-12-05 23:58:46,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 45 transitions, 196 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-05 23:58:46,333 INFO L231 Difference]: Finished difference. Result has 28 places, 20 transitions, 71 flow [2022-12-05 23:58:46,334 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=71, PETRI_PLACES=28, PETRI_TRANSITIONS=20} [2022-12-05 23:58:46,336 INFO L294 CegarLoopForPetriNet]: 26 programPoint places, 2 predicate places. [2022-12-05 23:58:46,336 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-05 23:58:46,337 INFO L89 Accepts]: Start accepts. Operand has 28 places, 20 transitions, 71 flow [2022-12-05 23:58:46,339 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:58:46,339 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 23:58:46,339 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 20 transitions, 71 flow [2022-12-05 23:58:46,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 20 transitions, 71 flow [2022-12-05 23:58:46,345 INFO L130 PetriNetUnfolder]: 2/31 cut-off events. [2022-12-05 23:58:46,345 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-05 23:58:46,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 31 events. 2/31 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 48. Up to 6 conditions per place. [2022-12-05 23:58:46,345 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 20 transitions, 71 flow [2022-12-05 23:58:46,345 INFO L188 LiptonReduction]: Number of co-enabled transitions 48 [2022-12-05 23:58:46,355 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [227] $Ultimate##0-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res.offset_7| 0) (= v_~result_5~0_16 (let ((.cse0 (not (= (mod v_~sponsored_2~0_11 256) 0)))) (ite (= (ite (not (= (mod v_~sponsored_1~0_15 256) 0)) 1 0) (ite .cse0 1 0)) 0 (ite .cse0 (- 1) 1)))) (= |v_thread3Thread1of1ForFork0_#res.base_7| 0)) InVars {~sponsored_1~0=v_~sponsored_1~0_15, ~sponsored_2~0=v_~sponsored_2~0_11} OutVars{~result_5~0=v_~result_5~0_16, thread3Thread1of1ForFork0_#res.offset=|v_thread3Thread1of1ForFork0_#res.offset_7|, thread3Thread1of1ForFork0_#res.base=|v_thread3Thread1of1ForFork0_#res.base_7|, ~sponsored_1~0=v_~sponsored_1~0_15, ~sponsored_2~0=v_~sponsored_2~0_11} AuxVars[] AssignedVars[~result_5~0, thread3Thread1of1ForFork0_#res.offset, thread3Thread1of1ForFork0_#res.base] and [245] $Ultimate##0-->thread1EXIT: Formula: (and (= |v_thread1Thread1of1ForFork1_#res.base_7| 0) (= |v_thread1Thread1of1ForFork1_#res.offset_7| 0) (= (let ((.cse0 (not (= (mod v_~sponsored_1~0_25 256) 0)))) (ite (= (ite (not (= (mod v_~sponsored_0~0_23 256) 0)) 1 0) (ite .cse0 1 0)) 0 (ite .cse0 (- 1) 1))) v_~result_3~0_18)) InVars {~sponsored_0~0=v_~sponsored_0~0_23, ~sponsored_1~0=v_~sponsored_1~0_25} OutVars{thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_7|, ~sponsored_0~0=v_~sponsored_0~0_23, ~sponsored_1~0=v_~sponsored_1~0_25, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_7|, ~result_3~0=v_~result_3~0_18} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#res.offset, ~result_3~0] [2022-12-05 23:58:46,389 ERROR L799 SequenceRule]: Run adaptation not supported for post-scripts [2022-12-05 23:58:46,390 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-05 23:58:46,391 ERROR L123 eatedLiptonReduction]: Lipton reduction run adaptation of counterexample failed. [2022-12-05 23:58:46,392 INFO L89 Accepts]: Start accepts. Operand has 27 places, 20 transitions, 74 flow [2022-12-05 23:58:46,392 INFO L95 Accepts]: Finished accepts. [2022-12-05 23:58:46,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 23:58:46,393 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) [2022-12-05 23:58:46,395 INFO L158 Benchmark]: Toolchain (without parser) took 4651.39ms. Allocated memory was 176.2MB in the beginning and 254.8MB in the end (delta: 78.6MB). Free memory was 152.0MB in the beginning and 198.0MB in the end (delta: -46.0MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. [2022-12-05 23:58:46,395 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 23:58:46,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 227.63ms. Allocated memory is still 176.2MB. Free memory was 152.0MB in the beginning and 141.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-05 23:58:46,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.31ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 139.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 23:58:46,396 INFO L158 Benchmark]: Boogie Preprocessor took 28.78ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 23:58:46,396 INFO L158 Benchmark]: RCFGBuilder took 357.77ms. Allocated memory is still 176.2MB. Free memory was 137.9MB in the beginning and 124.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-05 23:58:46,397 INFO L158 Benchmark]: TraceAbstraction took 3994.90ms. Allocated memory was 176.2MB in the beginning and 254.8MB in the end (delta: 78.6MB). Free memory was 124.2MB in the beginning and 198.0MB in the end (delta: -73.8MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. [2022-12-05 23:58:46,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 176.2MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 227.63ms. Allocated memory is still 176.2MB. Free memory was 152.0MB in the beginning and 141.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.31ms. Allocated memory is still 176.2MB. Free memory was 141.0MB in the beginning and 139.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.78ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 357.77ms. Allocated memory is still 176.2MB. Free memory was 137.9MB in the beginning and 124.8MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3994.90ms. Allocated memory was 176.2MB in the beginning and 254.8MB in the end (delta: 78.6MB). Free memory was 124.2MB in the beginning and 198.0MB in the end (delta: -73.8MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.1s, 82 PlacesBefore, 26 PlacesAfterwards, 74 TransitionsBefore, 16 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 38 TrivialYvCompositions, 18 ConcurrentYvCompositions, 2 ChoiceCompositions, 58 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117, independent: 117, independent conditional: 117, 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: 117, independent: 117, independent conditional: 0, independent unconditional: 117, 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: 117, independent: 117, independent conditional: 0, independent unconditional: 117, 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: 117, independent: 117, independent conditional: 0, independent unconditional: 117, 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: 117, independent: 117, independent conditional: 0, independent unconditional: 117, 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: 117, independent: 117, independent conditional: 0, independent unconditional: 117, 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: 117, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 117, unknown conditional: 0, unknown unconditional: 117] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 171, Positive conditional cache size: 0, Positive unconditional cache size: 171, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 27 PlacesBefore, 27 PlacesAfterwards, 20 TransitionsBefore, 20 TransitionsAfterwards, 48 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 6, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 6, independent conditional: 0, independent unconditional: 6, 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: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 6, Positive conditional cache size: 0, Positive unconditional cache size: 6, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - 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. [2022-12-05 23:58:46,446 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...