/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-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 23:55:10,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 23:55:10,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 23:55:10,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 23:55:10,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 23:55:10,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 23:55:10,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 23:55:10,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 23:55:10,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 23:55:10,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 23:55:10,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 23:55:10,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 23:55:10,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 23:55:10,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 23:55:10,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 23:55:10,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 23:55:10,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 23:55:10,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 23:55:10,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 23:55:10,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 23:55:10,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 23:55:10,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 23:55:10,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 23:55:10,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 23:55:10,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 23:55:10,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 23:55:10,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 23:55:10,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 23:55:10,482 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 23:55:10,483 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 23:55:10,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 23:55:10,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 23:55:10,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 23:55:10,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 23:55:10,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 23:55:10,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 23:55:10,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 23:55:10,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 23:55:10,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 23:55:10,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 23:55:10,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 23:55:10,491 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-NoLbe.epf [2022-12-11 23:55:10,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 23:55:10,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 23:55:10,529 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 23:55:10,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 23:55:10,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 23:55:10,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 23:55:10,531 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 23:55:10,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 23:55:10,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 23:55:10,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 23:55:10,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 23:55:10,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 23:55:10,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 23:55:10,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 23:55:10,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 23:55:10,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 23:55:10,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 23:55:10,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 23:55:10,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 23:55:10,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 23:55:10,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 23:55:10,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 23:55:10,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 23:55:10,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:55:10,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 23:55:10,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 23:55:10,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 23:55:10,535 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 23:55:10,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 23:55:10,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 23:55:10,535 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 23:55:10,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-11 23:55:10,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 23:55:10,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 23:55:10,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 23:55:10,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 23:55:10,883 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 23:55:10,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2022-12-11 23:55:11,919 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 23:55:12,194 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 23:55:12,195 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2022-12-11 23:55:12,213 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249bd1809/db2b1a2a18a2442fab67e57f39003252/FLAG0963cc873 [2022-12-11 23:55:12,222 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/249bd1809/db2b1a2a18a2442fab67e57f39003252 [2022-12-11 23:55:12,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 23:55:12,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 23:55:12,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 23:55:12,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 23:55:12,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 23:55:12,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48490751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12, skipping insertion in model container [2022-12-11 23:55:12,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 23:55:12,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 23:55:12,380 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2022-12-11 23:55:12,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:55:12,503 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 23:55:12,513 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i[1093,1106] [2022-12-11 23:55:12,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:55:12,567 INFO L208 MainTranslator]: Completed translation [2022-12-11 23:55:12,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12 WrapperNode [2022-12-11 23:55:12,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 23:55:12,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 23:55:12,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 23:55:12,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 23:55:12,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,617 INFO L138 Inliner]: procedures = 162, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2022-12-11 23:55:12,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 23:55:12,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 23:55:12,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 23:55:12,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 23:55:12,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,639 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 23:55:12,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 23:55:12,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 23:55:12,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 23:55:12,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (1/1) ... [2022-12-11 23:55:12,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:55:12,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:55:12,675 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) [2022-12-11 23:55:12,694 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 [2022-12-11 23:55:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 23:55:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 23:55:12,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 23:55:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 23:55:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 23:55:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 23:55:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 23:55:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 23:55:12,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 23:55:12,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 23:55:12,711 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 23:55:12,859 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 23:55:12,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 23:55:13,061 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 23:55:13,067 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 23:55:13,067 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 23:55:13,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:55:13 BoogieIcfgContainer [2022-12-11 23:55:13,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 23:55:13,071 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 23:55:13,071 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 23:55:13,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 23:55:13,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 11:55:12" (1/3) ... [2022-12-11 23:55:13,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7bb5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:55:13, skipping insertion in model container [2022-12-11 23:55:13,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:55:12" (2/3) ... [2022-12-11 23:55:13,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7bb5bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:55:13, skipping insertion in model container [2022-12-11 23:55:13,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:55:13" (3/3) ... [2022-12-11 23:55:13,083 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2022-12-11 23:55:13,099 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 23:55:13,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 23:55:13,099 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 23:55:13,159 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 23:55:13,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 73 transitions, 151 flow [2022-12-11 23:55:13,249 INFO L130 PetriNetUnfolder]: 1/72 cut-off events. [2022-12-11 23:55:13,250 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 23:55:13,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 72 events. 1/72 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 34 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-11 23:55:13,254 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 73 transitions, 151 flow [2022-12-11 23:55:13,259 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 64 transitions, 131 flow [2022-12-11 23:55:13,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 23:55:13,283 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@501b5900, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 23:55:13,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-11 23:55:13,316 INFO L130 PetriNetUnfolder]: 0/63 cut-off events. [2022-12-11 23:55:13,317 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 23:55:13,317 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:55:13,319 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:55:13,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:55:13,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:55:13,324 INFO L85 PathProgramCache]: Analyzing trace with hash -2108022650, now seen corresponding path program 1 times [2022-12-11 23:55:13,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:55:13,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614662590] [2022-12-11 23:55:13,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:55:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:55:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:55:13,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:55:13,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:55:13,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614662590] [2022-12-11 23:55:13,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614662590] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:55:13,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:55:13,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 23:55:13,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074733551] [2022-12-11 23:55:13,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:55:13,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 23:55:13,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:55:13,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 23:55:13,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 23:55:13,867 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 73 [2022-12-11 23:55:13,871 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 64 transitions, 131 flow. Second operand has 5 states, 5 states have (on average 63.4) internal successors, (317), 5 states have internal predecessors, (317), 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) [2022-12-11 23:55:13,872 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:55:13,872 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 73 [2022-12-11 23:55:13,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:55:13,961 INFO L130 PetriNetUnfolder]: 2/101 cut-off events. [2022-12-11 23:55:13,961 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 23:55:13,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 101 events. 2/101 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 187 event pairs, 0 based on Foata normal form. 3/104 useless extension candidates. Maximal degree in co-relation 84. Up to 9 conditions per place. [2022-12-11 23:55:13,964 INFO L137 encePairwiseOnDemand]: 68/73 looper letters, 6 selfloop transitions, 2 changer transitions 8/72 dead transitions. [2022-12-11 23:55:13,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 72 transitions, 179 flow [2022-12-11 23:55:13,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 23:55:13,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 23:55:13,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 452 transitions. [2022-12-11 23:55:13,982 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8845401174168297 [2022-12-11 23:55:13,989 INFO L295 CegarLoopForPetriNet]: 68 programPoint places, 6 predicate places. [2022-12-11 23:55:13,991 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 72 transitions, 179 flow [2022-12-11 23:55:13,994 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 64 transitions, 147 flow [2022-12-11 23:55:13,996 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 64 transitions, 147 flow [2022-12-11 23:55:13,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 63.4) internal successors, (317), 5 states have internal predecessors, (317), 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) [2022-12-11 23:55:13,996 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:55:13,996 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:55:13,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 23:55:13,997 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:55:13,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:55:13,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1465985219, now seen corresponding path program 1 times [2022-12-11 23:55:13,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:55:13,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605055274] [2022-12-11 23:55:13,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:55:13,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:55:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:55:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:55:14,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:55:14,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605055274] [2022-12-11 23:55:14,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605055274] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:55:14,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:55:14,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 23:55:14,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116356584] [2022-12-11 23:55:14,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:55:14,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 23:55:14,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:55:14,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 23:55:14,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 23:55:14,341 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 73 [2022-12-11 23:55:14,342 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 64 transitions, 147 flow. Second operand has 6 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 states have internal predecessors, (307), 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) [2022-12-11 23:55:14,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:55:14,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 73 [2022-12-11 23:55:14,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:55:14,425 INFO L130 PetriNetUnfolder]: 12/117 cut-off events. [2022-12-11 23:55:14,425 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 23:55:14,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 117 events. 12/117 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 203 event pairs, 6 based on Foata normal form. 3/119 useless extension candidates. Maximal degree in co-relation 133. Up to 27 conditions per place. [2022-12-11 23:55:14,427 INFO L137 encePairwiseOnDemand]: 67/73 looper letters, 22 selfloop transitions, 6 changer transitions 1/70 dead transitions. [2022-12-11 23:55:14,427 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 70 transitions, 217 flow [2022-12-11 23:55:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 23:55:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 23:55:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 271 transitions. [2022-12-11 23:55:14,429 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7424657534246575 [2022-12-11 23:55:14,429 INFO L295 CegarLoopForPetriNet]: 68 programPoint places, 6 predicate places. [2022-12-11 23:55:14,429 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 70 transitions, 217 flow [2022-12-11 23:55:14,430 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 69 transitions, 213 flow [2022-12-11 23:55:14,431 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 69 transitions, 213 flow [2022-12-11 23:55:14,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.166666666666664) internal successors, (307), 6 states have internal predecessors, (307), 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) [2022-12-11 23:55:14,431 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:55:14,432 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:55:14,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 23:55:14,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:55:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:55:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash 28803263, now seen corresponding path program 1 times [2022-12-11 23:55:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:55:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400845011] [2022-12-11 23:55:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:55:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:55:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:55:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:55:14,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:55:14,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400845011] [2022-12-11 23:55:14,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400845011] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:55:14,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:55:14,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-11 23:55:14,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884179054] [2022-12-11 23:55:14,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:55:14,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-11 23:55:14,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:55:14,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-11 23:55:14,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-11 23:55:14,764 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 73 [2022-12-11 23:55:14,765 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 69 transitions, 213 flow. Second operand has 8 states, 8 states have (on average 45.375) internal successors, (363), 8 states have internal predecessors, (363), 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) [2022-12-11 23:55:14,765 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:55:14,765 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 73 [2022-12-11 23:55:14,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:55:14,886 INFO L130 PetriNetUnfolder]: 6/72 cut-off events. [2022-12-11 23:55:14,886 INFO L131 PetriNetUnfolder]: For 19/21 co-relation queries the response was YES. [2022-12-11 23:55:14,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 72 events. 6/72 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 1 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 78. Up to 17 conditions per place. [2022-12-11 23:55:14,888 INFO L137 encePairwiseOnDemand]: 68/73 looper letters, 0 selfloop transitions, 0 changer transitions 57/57 dead transitions. [2022-12-11 23:55:14,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 57 transitions, 233 flow [2022-12-11 23:55:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 23:55:14,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 23:55:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 280 transitions. [2022-12-11 23:55:14,892 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.639269406392694 [2022-12-11 23:55:14,893 INFO L295 CegarLoopForPetriNet]: 68 programPoint places, -1 predicate places. [2022-12-11 23:55:14,893 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 57 transitions, 233 flow [2022-12-11 23:55:14,893 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-11 23:55:14,894 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-11 23:55:14,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 45.375) internal successors, (363), 8 states have internal predecessors, (363), 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) [2022-12-11 23:55:14,896 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-11 23:55:14,897 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-11 23:55:14,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 23:55:14,897 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-11 23:55:14,901 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 23:55:14,901 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 23:55:14,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 11:55:14 BasicIcfg [2022-12-11 23:55:14,910 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 23:55:14,911 INFO L158 Benchmark]: Toolchain (without parser) took 2685.12ms. Allocated memory was 223.3MB in the beginning and 304.1MB in the end (delta: 80.7MB). Free memory was 197.3MB in the beginning and 151.0MB in the end (delta: 46.3MB). Peak memory consumption was 128.1MB. Max. memory is 8.0GB. [2022-12-11 23:55:14,912 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory was 199.4MB in the beginning and 199.2MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 23:55:14,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.14ms. Allocated memory is still 223.3MB. Free memory was 196.8MB in the beginning and 178.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 23:55:14,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.05ms. Allocated memory is still 223.3MB. Free memory was 178.0MB in the beginning and 175.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 23:55:14,916 INFO L158 Benchmark]: Boogie Preprocessor took 25.83ms. Allocated memory is still 223.3MB. Free memory was 175.9MB in the beginning and 174.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 23:55:14,916 INFO L158 Benchmark]: RCFGBuilder took 424.54ms. Allocated memory is still 223.3MB. Free memory was 174.3MB in the beginning and 161.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-11 23:55:14,917 INFO L158 Benchmark]: TraceAbstraction took 1838.40ms. Allocated memory was 223.3MB in the beginning and 304.1MB in the end (delta: 80.7MB). Free memory was 160.1MB in the beginning and 151.0MB in the end (delta: 9.1MB). Peak memory consumption was 91.4MB. Max. memory is 8.0GB. [2022-12-11 23:55:14,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 223.3MB. Free memory was 199.4MB in the beginning and 199.2MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 342.14ms. Allocated memory is still 223.3MB. Free memory was 196.8MB in the beginning and 178.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.05ms. Allocated memory is still 223.3MB. Free memory was 178.0MB in the beginning and 175.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.83ms. Allocated memory is still 223.3MB. Free memory was 175.9MB in the beginning and 174.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 424.54ms. Allocated memory is still 223.3MB. Free memory was 174.3MB in the beginning and 161.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1838.40ms. Allocated memory was 223.3MB in the beginning and 304.1MB in the end (delta: 80.7MB). Free memory was 160.1MB in the beginning and 151.0MB in the end (delta: 9.1MB). Peak memory consumption was 91.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 88 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 15 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=2, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 269 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-11 23:55:14,937 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...