/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 09:45:52,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 09:45:52,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 09:45:52,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 09:45:52,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 09:45:52,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 09:45:52,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 09:45:52,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 09:45:52,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 09:45:52,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 09:45:52,457 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 09:45:52,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 09:45:52,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 09:45:52,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 09:45:52,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 09:45:52,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 09:45:52,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 09:45:52,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 09:45:52,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 09:45:52,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 09:45:52,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 09:45:52,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 09:45:52,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 09:45:52,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 09:45:52,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-24 09:45:52,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-24 09:45:52,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-24 09:45:52,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-24 09:45:52,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-24 09:45:52,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-24 09:45:52,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 09:45:52,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 09:45:52,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 09:45:52,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 09:45:52,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 09:45:52,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 09:45:52,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 09:45:52,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 09:45:52,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 09:45:52,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 09:45:52,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 09:45:52,481 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-VariableLbe.epf [2021-03-24 09:45:52,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 09:45:52,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 09:45:52,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 09:45:52,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 09:45:52,498 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 09:45:52,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 09:45:52,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 09:45:52,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 09:45:52,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 09:45:52,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 09:45:52,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 09:45:52,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 09:45:52,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 09:45:52,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 09:45:52,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 09:45:52,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 09:45:52,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 09:45:52,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 09:45:52,501 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 09:45:52,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 09:45:52,501 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 09:45:52,501 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 09:45:52,501 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 09:45:52,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 09:45:52,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 09:45:52,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 09:45:52,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 09:45:52,699 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 09:45:52,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-24 09:45:52,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31af209c7/ca9cb24bc1fa429084078890eca7eb1f/FLAGb06f4c443 [2021-03-24 09:45:53,157 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 09:45:53,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-24 09:45:53,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31af209c7/ca9cb24bc1fa429084078890eca7eb1f/FLAGb06f4c443 [2021-03-24 09:45:53,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31af209c7/ca9cb24bc1fa429084078890eca7eb1f [2021-03-24 09:45:53,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 09:45:53,182 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 09:45:53,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 09:45:53,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 09:45:53,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 09:45:53,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c766eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53, skipping insertion in model container [2021-03-24 09:45:53,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 09:45:53,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 09:45:53,392 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-03-24 09:45:53,395 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-03-24 09:45:53,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 09:45:53,409 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 09:45:53,444 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-03-24 09:45:53,445 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-03-24 09:45:53,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 09:45:53,494 INFO L208 MainTranslator]: Completed translation [2021-03-24 09:45:53,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53 WrapperNode [2021-03-24 09:45:53,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 09:45:53,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 09:45:53,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 09:45:53,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 09:45:53,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 09:45:53,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 09:45:53,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 09:45:53,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 09:45:53,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... [2021-03-24 09:45:53,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 09:45:53,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 09:45:53,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 09:45:53,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 09:45:53,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 09:45:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-03-24 09:45:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-03-24 09:45:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-24 09:45:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-03-24 09:45:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-03-24 09:45:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 09:45:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-24 09:45:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 09:45:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 09:45:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 09:45:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 09:45:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 09:45:53,614 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 09:45:53,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 09:45:53,896 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-03-24 09:45:53,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 09:45:53 BoogieIcfgContainer [2021-03-24 09:45:53,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 09:45:53,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 09:45:53,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 09:45:53,901 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 09:45:53,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 09:45:53" (1/3) ... [2021-03-24 09:45:53,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e43a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 09:45:53, skipping insertion in model container [2021-03-24 09:45:53,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 09:45:53" (2/3) ... [2021-03-24 09:45:53,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e43a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 09:45:53, skipping insertion in model container [2021-03-24 09:45:53,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 09:45:53" (3/3) ... [2021-03-24 09:45:53,904 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-03-24 09:45:53,908 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 09:45:53,911 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 09:45:53,911 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 09:45:53,937 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,938 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,939 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,939 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,939 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,942 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,942 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,942 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,942 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,943 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,943 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,943 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,943 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,943 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,943 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,944 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,944 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,944 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,944 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,945 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,946 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,946 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,949 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,949 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,949 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,949 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,949 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,950 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,956 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,956 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,956 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,956 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,956 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 09:45:53,964 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-24 09:45:53,976 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 09:45:53,993 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 09:45:53,993 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 09:45:53,993 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 09:45:53,993 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 09:45:53,993 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 09:45:53,993 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 09:45:53,993 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 09:45:53,993 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 09:45:54,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 90 transitions, 202 flow [2021-03-24 09:45:54,026 INFO L129 PetriNetUnfolder]: 6/90 cut-off events. [2021-03-24 09:45:54,026 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-24 09:45:54,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 90 events. 6/90 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 59. Up to 3 conditions per place. [2021-03-24 09:45:54,029 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 90 transitions, 202 flow [2021-03-24 09:45:54,032 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 78 transitions, 168 flow [2021-03-24 09:45:54,033 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 09:45:54,041 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 78 transitions, 168 flow [2021-03-24 09:45:54,043 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 78 transitions, 168 flow [2021-03-24 09:45:54,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 168 flow [2021-03-24 09:45:54,059 INFO L129 PetriNetUnfolder]: 5/80 cut-off events. [2021-03-24 09:45:54,063 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-24 09:45:54,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 80 events. 5/80 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 98 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 59. Up to 3 conditions per place. [2021-03-24 09:45:54,067 INFO L142 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-24 09:45:55,359 INFO L154 LiptonReduction]: Checked pairs total: 1603 [2021-03-24 09:45:55,360 INFO L156 LiptonReduction]: Total number of compositions: 51 [2021-03-24 09:45:55,361 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1329 [2021-03-24 09:45:55,368 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-24 09:45:55,368 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 09:45:55,368 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:45:55,368 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:45:55,368 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 09:45:55,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:45:55,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1864333504, now seen corresponding path program 1 times [2021-03-24 09:45:55,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:45:55,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73345217] [2021-03-24 09:45:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:45:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:45:55,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:45:55,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:45:55,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73345217] [2021-03-24 09:45:55,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:45:55,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 09:45:55,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171549014] [2021-03-24 09:45:55,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 09:45:55,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:45:55,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 09:45:55,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 09:45:55,518 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2021-03-24 09:45:55,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 40 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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) [2021-03-24 09:45:55,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:45:55,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2021-03-24 09:45:55,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:45:55,532 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-03-24 09:45:55,532 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-24 09:45:55,533 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 33 events. 1/33 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 4/34 useless extension candidates. Maximal degree in co-relation 26. Up to 3 conditions per place. [2021-03-24 09:45:55,533 INFO L132 encePairwiseOnDemand]: 135/141 looper letters, 2 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-03-24 09:45:55,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 32 transitions, 84 flow [2021-03-24 09:45:55,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 09:45:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 09:45:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2021-03-24 09:45:55,541 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8297872340425532 [2021-03-24 09:45:55,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2021-03-24 09:45:55,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2021-03-24 09:45:55,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:45:55,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2021-03-24 09:45:55,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2021-03-24 09:45:55,550 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,550 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,551 INFO L185 Difference]: Start difference. First operand has 41 places, 40 transitions, 92 flow. Second operand 3 states and 351 transitions. [2021-03-24 09:45:55,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 32 transitions, 84 flow [2021-03-24 09:45:55,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 32 transitions, 76 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-24 09:45:55,554 INFO L241 Difference]: Finished difference. Result has 35 places, 32 transitions, 72 flow [2021-03-24 09:45:55,555 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=35, PETRI_TRANSITIONS=32} [2021-03-24 09:45:55,556 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, -6 predicate places. [2021-03-24 09:45:55,556 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 32 transitions, 72 flow [2021-03-24 09:45:55,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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) [2021-03-24 09:45:55,556 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:45:55,556 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:45:55,556 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 09:45:55,557 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 09:45:55,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:45:55,557 INFO L82 PathProgramCache]: Analyzing trace with hash -2126437906, now seen corresponding path program 1 times [2021-03-24 09:45:55,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:45:55,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695556657] [2021-03-24 09:45:55,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:45:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:45:55,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:45:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:45:55,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695556657] [2021-03-24 09:45:55,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:45:55,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 09:45:55,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564102562] [2021-03-24 09:45:55,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 09:45:55,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:45:55,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 09:45:55,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 09:45:55,606 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2021-03-24 09:45:55,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 32 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2021-03-24 09:45:55,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:45:55,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2021-03-24 09:45:55,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:45:55,622 INFO L129 PetriNetUnfolder]: 7/67 cut-off events. [2021-03-24 09:45:55,622 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-24 09:45:55,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 67 events. 7/67 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 187 event pairs, 2 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 68. Up to 16 conditions per place. [2021-03-24 09:45:55,622 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 7 selfloop transitions, 3 changer transitions 2/35 dead transitions. [2021-03-24 09:45:55,622 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 35 transitions, 98 flow [2021-03-24 09:45:55,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 09:45:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 09:45:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 357 transitions. [2021-03-24 09:45:55,624 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8439716312056738 [2021-03-24 09:45:55,624 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 357 transitions. [2021-03-24 09:45:55,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 357 transitions. [2021-03-24 09:45:55,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:45:55,625 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 357 transitions. [2021-03-24 09:45:55,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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) [2021-03-24 09:45:55,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,627 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,627 INFO L185 Difference]: Start difference. First operand has 35 places, 32 transitions, 72 flow. Second operand 3 states and 357 transitions. [2021-03-24 09:45:55,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 35 transitions, 98 flow [2021-03-24 09:45:55,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 35 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 09:45:55,628 INFO L241 Difference]: Finished difference. Result has 37 places, 32 transitions, 88 flow [2021-03-24 09:45:55,628 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2021-03-24 09:45:55,628 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2021-03-24 09:45:55,628 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 88 flow [2021-03-24 09:45:55,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2021-03-24 09:45:55,629 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:45:55,629 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:45:55,629 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 09:45:55,629 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 09:45:55,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:45:55,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1535738607, now seen corresponding path program 1 times [2021-03-24 09:45:55,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:45:55,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866458102] [2021-03-24 09:45:55,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:45:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:45:55,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:45:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:45:55,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866458102] [2021-03-24 09:45:55,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:45:55,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 09:45:55,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756142475] [2021-03-24 09:45:55,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 09:45:55,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:45:55,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 09:45:55,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 09:45:55,684 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 141 [2021-03-24 09:45:55,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2021-03-24 09:45:55,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:45:55,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 141 [2021-03-24 09:45:55,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:45:55,699 INFO L129 PetriNetUnfolder]: 2/55 cut-off events. [2021-03-24 09:45:55,699 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-24 09:45:55,699 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 55 events. 2/55 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 139 event pairs, 2 based on Foata normal form. 6/61 useless extension candidates. Maximal degree in co-relation 69. Up to 10 conditions per place. [2021-03-24 09:45:55,699 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 5 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2021-03-24 09:45:55,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 31 transitions, 98 flow [2021-03-24 09:45:55,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 09:45:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 09:45:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 355 transitions. [2021-03-24 09:45:55,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8392434988179669 [2021-03-24 09:45:55,701 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 355 transitions. [2021-03-24 09:45:55,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 355 transitions. [2021-03-24 09:45:55,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:45:55,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 355 transitions. [2021-03-24 09:45:55,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2021-03-24 09:45:55,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,703 INFO L185 Difference]: Start difference. First operand has 37 places, 32 transitions, 88 flow. Second operand 3 states and 355 transitions. [2021-03-24 09:45:55,703 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 31 transitions, 98 flow [2021-03-24 09:45:55,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 31 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 09:45:55,704 INFO L241 Difference]: Finished difference. Result has 37 places, 31 transitions, 89 flow [2021-03-24 09:45:55,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=37, PETRI_TRANSITIONS=31} [2021-03-24 09:45:55,704 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, -4 predicate places. [2021-03-24 09:45:55,705 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 31 transitions, 89 flow [2021-03-24 09:45:55,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2021-03-24 09:45:55,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:45:55,705 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:45:55,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 09:45:55,705 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 09:45:55,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:45:55,705 INFO L82 PathProgramCache]: Analyzing trace with hash 346549347, now seen corresponding path program 1 times [2021-03-24 09:45:55,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:45:55,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506591433] [2021-03-24 09:45:55,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:45:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:45:55,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:45:55,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:45:55,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506591433] [2021-03-24 09:45:55,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:45:55,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 09:45:55,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902603844] [2021-03-24 09:45:55,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 09:45:55,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:45:55,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 09:45:55,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 09:45:55,734 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 141 [2021-03-24 09:45:55,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2021-03-24 09:45:55,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:45:55,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 141 [2021-03-24 09:45:55,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:45:55,744 INFO L129 PetriNetUnfolder]: 1/60 cut-off events. [2021-03-24 09:45:55,744 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-24 09:45:55,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 60 events. 1/60 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 156 event pairs, 1 based on Foata normal form. 1/59 useless extension candidates. Maximal degree in co-relation 64. Up to 10 conditions per place. [2021-03-24 09:45:55,744 INFO L132 encePairwiseOnDemand]: 139/141 looper letters, 3 selfloop transitions, 1 changer transitions 0/31 dead transitions. [2021-03-24 09:45:55,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 31 transitions, 97 flow [2021-03-24 09:45:55,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 09:45:55,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 09:45:55,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2021-03-24 09:45:55,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8416075650118203 [2021-03-24 09:45:55,745 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 356 transitions. [2021-03-24 09:45:55,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 356 transitions. [2021-03-24 09:45:55,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:45:55,746 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 356 transitions. [2021-03-24 09:45:55,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2021-03-24 09:45:55,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,747 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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) [2021-03-24 09:45:55,747 INFO L185 Difference]: Start difference. First operand has 37 places, 31 transitions, 89 flow. Second operand 3 states and 356 transitions. [2021-03-24 09:45:55,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 31 transitions, 97 flow [2021-03-24 09:45:55,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 31 transitions, 91 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 09:45:55,749 INFO L241 Difference]: Finished difference. Result has 38 places, 31 transitions, 88 flow [2021-03-24 09:45:55,749 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=38, PETRI_TRANSITIONS=31} [2021-03-24 09:45:55,749 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, -3 predicate places. [2021-03-24 09:45:55,749 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 88 flow [2021-03-24 09:45:55,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2021-03-24 09:45:55,749 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 09:45:55,749 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 09:45:55,749 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 09:45:55,750 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 09:45:55,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 09:45:55,750 INFO L82 PathProgramCache]: Analyzing trace with hash 59556947, now seen corresponding path program 2 times [2021-03-24 09:45:55,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 09:45:55,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285903863] [2021-03-24 09:45:55,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 09:45:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 09:45:55,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 09:45:55,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 09:45:55,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 09:45:55,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 09:45:55,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 09:45:55,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 09:45:55,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 09:45:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 09:45:55,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285903863] [2021-03-24 09:45:55,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 09:45:55,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 09:45:55,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939143914] [2021-03-24 09:45:55,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-24 09:45:55,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 09:45:55,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-24 09:45:55,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-24 09:45:55,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 141 [2021-03-24 09:45:55,828 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 88 flow. Second operand has 7 states, 7 states have (on average 60.0) internal successors, (420), 7 states have internal predecessors, (420), 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) [2021-03-24 09:45:55,828 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 09:45:55,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 141 [2021-03-24 09:45:55,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 09:45:55,911 INFO L129 PetriNetUnfolder]: 7/55 cut-off events. [2021-03-24 09:45:55,911 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-24 09:45:55,912 INFO L84 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 55 events. 7/55 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 116 event pairs, 1 based on Foata normal form. 4/58 useless extension candidates. Maximal degree in co-relation 81. Up to 12 conditions per place. [2021-03-24 09:45:55,912 INFO L132 encePairwiseOnDemand]: 133/141 looper letters, 0 selfloop transitions, 0 changer transitions 33/33 dead transitions. [2021-03-24 09:45:55,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 33 transitions, 134 flow [2021-03-24 09:45:55,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 09:45:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 09:45:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 488 transitions. [2021-03-24 09:45:55,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4326241134751773 [2021-03-24 09:45:55,914 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 488 transitions. [2021-03-24 09:45:55,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 488 transitions. [2021-03-24 09:45:55,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 09:45:55,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 488 transitions. [2021-03-24 09:45:55,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 61.0) internal successors, (488), 8 states have internal predecessors, (488), 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) [2021-03-24 09:45:55,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 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) [2021-03-24 09:45:55,917 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 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) [2021-03-24 09:45:55,917 INFO L185 Difference]: Start difference. First operand has 38 places, 31 transitions, 88 flow. Second operand 8 states and 488 transitions. [2021-03-24 09:45:55,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 33 transitions, 134 flow [2021-03-24 09:45:55,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 33 transitions, 118 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-24 09:45:55,919 INFO L241 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow [2021-03-24 09:45:55,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0} [2021-03-24 09:45:55,919 INFO L343 CegarLoopForPetriNet]: 41 programPoint places, -2 predicate places. [2021-03-24 09:45:55,919 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow [2021-03-24 09:45:55,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 60.0) internal successors, (420), 7 states have internal predecessors, (420), 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) [2021-03-24 09:45:55,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 09:45:55,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 09:45:55 BasicIcfg [2021-03-24 09:45:55,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 09:45:55,926 INFO L168 Benchmark]: Toolchain (without parser) took 2740.62 ms. Allocated memory was 371.2 MB in the beginning and 476.1 MB in the end (delta: 104.9 MB). Free memory was 334.8 MB in the beginning and 434.2 MB in the end (delta: -99.4 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.0 GB. [2021-03-24 09:45:55,926 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 371.2 MB. Free memory was 352.7 MB in the beginning and 352.6 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 09:45:55,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.56 ms. Allocated memory is still 371.2 MB. Free memory was 334.7 MB in the beginning and 336.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2021-03-24 09:45:55,927 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 371.2 MB. Free memory was 336.8 MB in the beginning and 334.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 09:45:55,928 INFO L168 Benchmark]: Boogie Preprocessor took 27.84 ms. Allocated memory is still 371.2 MB. Free memory was 334.7 MB in the beginning and 333.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 09:45:55,929 INFO L168 Benchmark]: RCFGBuilder took 345.17 ms. Allocated memory is still 371.2 MB. Free memory was 333.6 MB in the beginning and 306.3 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-03-24 09:45:55,930 INFO L168 Benchmark]: TraceAbstraction took 2023.52 ms. Allocated memory was 371.2 MB in the beginning and 476.1 MB in the end (delta: 104.9 MB). Free memory was 306.3 MB in the beginning and 434.2 MB in the end (delta: -127.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 09:45:55,933 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 371.2 MB. Free memory was 352.7 MB in the beginning and 352.6 MB in the end (delta: 76.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 309.56 ms. Allocated memory is still 371.2 MB. Free memory was 334.7 MB in the beginning and 336.8 MB in the end (delta: -2.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 371.2 MB. Free memory was 336.8 MB in the beginning and 334.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.84 ms. Allocated memory is still 371.2 MB. Free memory was 334.7 MB in the beginning and 333.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 345.17 ms. Allocated memory is still 371.2 MB. Free memory was 333.6 MB in the beginning and 306.3 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2023.52 ms. Allocated memory was 371.2 MB in the beginning and 476.1 MB in the end (delta: 104.9 MB). Free memory was 306.3 MB in the beginning and 434.2 MB in the end (delta: -127.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1316.6ms, 79 PlacesBefore, 41 PlacesAfterwards, 78 TransitionsBefore, 40 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 4 FixpointIterations, 24 TrivialSequentialCompositions, 17 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 7 ConcurrentYvCompositions, 0 ChoiceCompositions, 51 TotalNumberOfCompositions, 1603 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 955, positive: 888, positive conditional: 0, positive unconditional: 888, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 475, positive: 454, positive conditional: 0, positive unconditional: 454, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 454, positive conditional: 0, positive unconditional: 454, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 955, positive: 434, positive conditional: 0, positive unconditional: 434, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 710]: 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 CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 1930.4ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 194.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1371.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 27 SDtfs, 34 SDslu, 13 SDs, 0 SdLazy, 56 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 62.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.6ms SsaConstructionTime, 60.9ms SatisfiabilityAnalysisTime, 199.2ms InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...