/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 18:46:56,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 18:46:56,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 18:46:56,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 18:46:56,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 18:46:56,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 18:46:56,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 18:46:56,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 18:46:56,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 18:46:56,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 18:46:56,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 18:46:56,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 18:46:56,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 18:46:56,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 18:46:56,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 18:46:56,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 18:46:56,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 18:46:56,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 18:46:56,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 18:46:56,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 18:46:56,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 18:46:56,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 18:46:56,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 18:46:56,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 18:46:56,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 18:46:56,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 18:46:56,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 18:46:56,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 18:46:56,354 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 18:46:56,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 18:46:56,355 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 18:46:56,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 18:46:56,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 18:46:56,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 18:46:56,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 18:46:56,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 18:46:56,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 18:46:56,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 18:46:56,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 18:46:56,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 18:46:56,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 18:46:56,364 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 [2022-12-05 18:46:56,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 18:46:56,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 18:46:56,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 18:46:56,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 18:46:56,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 18:46:56,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 18:46:56,390 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 18:46:56,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 18:46:56,390 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 18:46:56,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 18:46:56,391 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 18:46:56,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 18:46:56,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 18:46:56,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 18:46:56,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 18:46:56,392 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 18:46:56,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 18:46:56,392 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 18:46:56,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 18:46:56,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 18:46:56,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:46:56,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 18:46:56,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 18:46:56,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 18:46:56,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 18:46:56,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 18:46:56,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 18:46:56,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 18:46:56,677 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 18:46:56,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-05 18:46:57,559 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 18:46:57,774 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 18:46:57,774 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2022-12-05 18:46:57,789 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa53cb295/91c2ba7fd2b044979b1da2a4eff233ba/FLAG46eb5f85d [2022-12-05 18:46:57,802 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa53cb295/91c2ba7fd2b044979b1da2a4eff233ba [2022-12-05 18:46:57,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 18:46:57,805 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 18:46:57,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 18:46:57,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 18:46:57,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 18:46:57,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:46:57" (1/1) ... [2022-12-05 18:46:57,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f90cba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:57, skipping insertion in model container [2022-12-05 18:46:57,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 06:46:57" (1/1) ... [2022-12-05 18:46:57,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 18:46:57,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 18:46:57,947 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_20-publish-regression_true.i[1095,1108] [2022-12-05 18:46:58,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:46:58,038 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 18:46:58,048 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_20-publish-regression_true.i[1095,1108] [2022-12-05 18:46:58,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 18:46:58,102 INFO L208 MainTranslator]: Completed translation [2022-12-05 18:46:58,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58 WrapperNode [2022-12-05 18:46:58,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 18:46:58,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 18:46:58,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 18:46:58,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 18:46:58,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,154 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-12-05 18:46:58,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 18:46:58,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 18:46:58,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 18:46:58,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 18:46:58,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 18:46:58,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 18:46:58,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 18:46:58,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 18:46:58,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (1/1) ... [2022-12-05 18:46:58,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 18:46:58,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 18:46:58,232 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 18:46:58,239 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 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 18:46:58,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 18:46:58,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 18:46:58,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 18:46:58,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 18:46:58,266 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 18:46:58,373 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 18:46:58,374 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 18:46:58,488 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 18:46:58,493 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 18:46:58,493 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 18:46:58,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:46:58 BoogieIcfgContainer [2022-12-05 18:46:58,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 18:46:58,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 18:46:58,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 18:46:58,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 18:46:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 06:46:57" (1/3) ... [2022-12-05 18:46:58,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cf9d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:46:58, skipping insertion in model container [2022-12-05 18:46:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 06:46:58" (2/3) ... [2022-12-05 18:46:58,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74cf9d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 06:46:58, skipping insertion in model container [2022-12-05 18:46:58,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 06:46:58" (3/3) ... [2022-12-05 18:46:58,500 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2022-12-05 18:46:58,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 18:46:58,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-05 18:46:58,513 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 18:46:58,566 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-05 18:46:58,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 170 flow [2022-12-05 18:46:58,638 INFO L130 PetriNetUnfolder]: 3/80 cut-off events. [2022-12-05 18:46:58,638 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:46:58,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 80 events. 3/80 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-05 18:46:58,642 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 81 transitions, 170 flow [2022-12-05 18:46:58,649 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 74 places, 73 transitions, 149 flow [2022-12-05 18:46:58,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 18:46:58,662 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=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;@5fb4f16d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 18:46:58,663 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-05 18:46:58,672 INFO L130 PetriNetUnfolder]: 0/30 cut-off events. [2022-12-05 18:46:58,672 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 18:46:58,672 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:58,673 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 18:46:58,673 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:46:58,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:58,677 INFO L85 PathProgramCache]: Analyzing trace with hash -363766738, now seen corresponding path program 1 times [2022-12-05 18:46:58,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:58,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713152956] [2022-12-05 18:46:58,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:58,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 18:46:59,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:59,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713152956] [2022-12-05 18:46:59,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713152956] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:59,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:59,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:46:59,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409019536] [2022-12-05 18:46:59,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:59,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:46:59,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:59,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:46:59,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:46:59,123 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 81 [2022-12-05 18:46:59,127 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 73 transitions, 149 flow. Second operand has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 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 18:46:59,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:59,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 81 [2022-12-05 18:46:59,128 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:59,263 INFO L130 PetriNetUnfolder]: 19/161 cut-off events. [2022-12-05 18:46:59,263 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-05 18:46:59,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 225 conditions, 161 events. 19/161 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 551 event pairs, 3 based on Foata normal form. 13/167 useless extension candidates. Maximal degree in co-relation 181. Up to 13 conditions per place. [2022-12-05 18:46:59,267 INFO L137 encePairwiseOnDemand]: 68/81 looper letters, 14 selfloop transitions, 15 changer transitions 3/83 dead transitions. [2022-12-05 18:46:59,267 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 83 transitions, 233 flow [2022-12-05 18:46:59,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-05 18:46:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-05 18:46:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 572 transitions. [2022-12-05 18:46:59,283 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7846364883401921 [2022-12-05 18:46:59,285 INFO L175 Difference]: Start difference. First operand has 74 places, 73 transitions, 149 flow. Second operand 9 states and 572 transitions. [2022-12-05 18:46:59,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 83 transitions, 233 flow [2022-12-05 18:46:59,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 83 transitions, 232 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 18:46:59,293 INFO L231 Difference]: Finished difference. Result has 82 places, 74 transitions, 218 flow [2022-12-05 18:46:59,294 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=218, PETRI_PLACES=82, PETRI_TRANSITIONS=74} [2022-12-05 18:46:59,296 INFO L294 CegarLoopForPetriNet]: 74 programPoint places, 8 predicate places. [2022-12-05 18:46:59,297 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 74 transitions, 218 flow [2022-12-05 18:46:59,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.0) internal successors, (300), 5 states have internal predecessors, (300), 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 18:46:59,297 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:59,297 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-12-05 18:46:59,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 18:46:59,298 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:46:59,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:59,299 INFO L85 PathProgramCache]: Analyzing trace with hash 995291098, now seen corresponding path program 1 times [2022-12-05 18:46:59,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:59,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087643119] [2022-12-05 18:46:59,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:59,457 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 18:46:59,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:59,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087643119] [2022-12-05 18:46:59,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087643119] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:59,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:59,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-05 18:46:59,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642750781] [2022-12-05 18:46:59,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:59,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-05 18:46:59,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:59,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-05 18:46:59,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-05 18:46:59,462 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 81 [2022-12-05 18:46:59,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 74 transitions, 218 flow. Second operand has 5 states, 5 states have (on average 64.6) internal successors, (323), 5 states have internal predecessors, (323), 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 18:46:59,462 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:59,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 81 [2022-12-05 18:46:59,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:59,536 INFO L130 PetriNetUnfolder]: 7/107 cut-off events. [2022-12-05 18:46:59,536 INFO L131 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2022-12-05 18:46:59,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 107 events. 7/107 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 226 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 159. Up to 10 conditions per place. [2022-12-05 18:46:59,538 INFO L137 encePairwiseOnDemand]: 76/81 looper letters, 8 selfloop transitions, 5 changer transitions 10/74 dead transitions. [2022-12-05 18:46:59,538 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 74 transitions, 254 flow [2022-12-05 18:46:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-05 18:46:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-05 18:46:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 392 transitions. [2022-12-05 18:46:59,540 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8065843621399177 [2022-12-05 18:46:59,540 INFO L175 Difference]: Start difference. First operand has 82 places, 74 transitions, 218 flow. Second operand 6 states and 392 transitions. [2022-12-05 18:46:59,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 74 transitions, 254 flow [2022-12-05 18:46:59,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 74 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 18:46:59,550 INFO L231 Difference]: Finished difference. Result has 84 places, 62 transitions, 171 flow [2022-12-05 18:46:59,550 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=171, PETRI_PLACES=84, PETRI_TRANSITIONS=62} [2022-12-05 18:46:59,550 INFO L294 CegarLoopForPetriNet]: 74 programPoint places, 10 predicate places. [2022-12-05 18:46:59,550 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 62 transitions, 171 flow [2022-12-05 18:46:59,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 64.6) internal successors, (323), 5 states have internal predecessors, (323), 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 18:46:59,551 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 18:46:59,551 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2022-12-05 18:46:59,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 18:46:59,552 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-05 18:46:59,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 18:46:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash -901842299, now seen corresponding path program 1 times [2022-12-05 18:46:59,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 18:46:59,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255233547] [2022-12-05 18:46:59,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 18:46:59,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 18:46:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 18:46:59,755 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 18:46:59,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 18:46:59,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255233547] [2022-12-05 18:46:59,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255233547] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 18:46:59,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 18:46:59,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-05 18:46:59,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520846203] [2022-12-05 18:46:59,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 18:46:59,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-05 18:46:59,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 18:46:59,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-05 18:46:59,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-05 18:46:59,759 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 81 [2022-12-05 18:46:59,759 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 62 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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 18:46:59,759 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 18:46:59,759 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 81 [2022-12-05 18:46:59,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 18:46:59,812 INFO L130 PetriNetUnfolder]: 0/50 cut-off events. [2022-12-05 18:46:59,813 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-05 18:46:59,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 50 events. 0/50 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 5/55 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-12-05 18:46:59,814 INFO L137 encePairwiseOnDemand]: 77/81 looper letters, 0 selfloop transitions, 0 changer transitions 50/50 dead transitions. [2022-12-05 18:46:59,814 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 50 transitions, 158 flow [2022-12-05 18:46:59,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-05 18:46:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-05 18:46:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 285 transitions. [2022-12-05 18:46:59,815 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7037037037037037 [2022-12-05 18:46:59,815 INFO L175 Difference]: Start difference. First operand has 84 places, 62 transitions, 171 flow. Second operand 5 states and 285 transitions. [2022-12-05 18:46:59,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 50 transitions, 158 flow [2022-12-05 18:46:59,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 50 transitions, 141 flow, removed 0 selfloop flow, removed 10 redundant places. [2022-12-05 18:46:59,817 INFO L231 Difference]: Finished difference. Result has 61 places, 0 transitions, 0 flow [2022-12-05 18:46:59,817 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=81, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=61, PETRI_TRANSITIONS=0} [2022-12-05 18:46:59,818 INFO L294 CegarLoopForPetriNet]: 74 programPoint places, -13 predicate places. [2022-12-05 18:46:59,818 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 0 transitions, 0 flow [2022-12-05 18:46:59,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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 18:46:59,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-05 18:46:59,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-05 18:46:59,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-05 18:46:59,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-12-05 18:46:59,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-05 18:46:59,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 18:46:59,823 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-12-05 18:46:59,828 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 18:46:59,828 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 18:46:59,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 06:46:59 BasicIcfg [2022-12-05 18:46:59,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 18:46:59,835 INFO L158 Benchmark]: Toolchain (without parser) took 2029.60ms. Allocated memory was 200.3MB in the beginning and 257.9MB in the end (delta: 57.7MB). Free memory was 175.4MB in the beginning and 184.0MB in the end (delta: -8.6MB). Peak memory consumption was 50.0MB. Max. memory is 8.0GB. [2022-12-05 18:46:59,835 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 176.4MB in the beginning and 176.3MB in the end (delta: 90.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 18:46:59,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.25ms. Allocated memory is still 200.3MB. Free memory was 175.2MB in the beginning and 155.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-05 18:46:59,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.92ms. Allocated memory is still 200.3MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 18:46:59,840 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 200.3MB. Free memory was 153.7MB in the beginning and 152.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 18:46:59,840 INFO L158 Benchmark]: RCFGBuilder took 307.66ms. Allocated memory is still 200.3MB. Free memory was 152.2MB in the beginning and 138.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-05 18:46:59,840 INFO L158 Benchmark]: TraceAbstraction took 1337.90ms. Allocated memory was 200.3MB in the beginning and 257.9MB in the end (delta: 57.7MB). Free memory was 138.0MB in the beginning and 184.0MB in the end (delta: -46.0MB). Peak memory consumption was 12.2MB. Max. memory is 8.0GB. [2022-12-05 18:46:59,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 200.3MB. Free memory was 176.4MB in the beginning and 176.3MB in the end (delta: 90.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 290.25ms. Allocated memory is still 200.3MB. Free memory was 175.2MB in the beginning and 155.8MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.92ms. Allocated memory is still 200.3MB. Free memory was 155.8MB in the beginning and 153.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 200.3MB. Free memory was 153.7MB in the beginning and 152.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 307.66ms. Allocated memory is still 200.3MB. Free memory was 152.2MB in the beginning and 138.5MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1337.90ms. Allocated memory was 200.3MB in the beginning and 257.9MB in the end (delta: 57.7MB). Free memory was 138.0MB in the beginning and 184.0MB in the end (delta: -46.0MB). Peak memory consumption was 12.2MB. 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - 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, 102 locations, 5 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 16 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=1, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 18:46:59,855 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...