/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/lamport.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 11:13:52,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 11:13:52,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 11:13:52,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 11:13:52,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 11:13:52,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 11:13:52,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 11:13:52,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 11:13:52,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 11:13:52,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 11:13:52,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 11:13:52,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 11:13:52,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 11:13:52,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 11:13:52,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 11:13:52,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 11:13:52,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 11:13:52,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 11:13:52,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 11:13:52,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 11:13:52,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 11:13:52,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 11:13:52,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 11:13:52,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 11:13:52,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 11:13:52,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 11:13:52,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 11:13:52,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 11:13:52,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 11:13:52,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 11:13:52,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 11:13:52,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 11:13:52,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 11:13:52,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 11:13:52,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 11:13:52,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 11:13:52,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 11:13:52,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 11:13:52,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 11:13:52,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 11:13:52,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 11:13:52,590 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 [2021-06-10 11:13:52,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 11:13:52,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 11:13:52,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 11:13:52,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 11:13:52,627 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 11:13:52,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 11:13:52,627 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 11:13:52,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 11:13:52,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 11:13:52,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 11:13:52,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 11:13:52,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 11:13:52,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 11:13:52,629 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 11:13:52,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 11:13:52,630 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 11:13:52,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 11:13:52,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 11:13:52,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 11:13:52,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 11:13:52,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 11:13:52,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 11:13:52,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 11:13:52,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 11:13:52,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 11:13:52,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 11:13:52,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 11:13:52,631 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 11:13:52,632 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 11:13:52,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 11:13:52,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 11:13:52,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 11:13:52,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 11:13:52,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 11:13:52,973 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 11:13:52,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2021-06-10 11:13:53,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ceb2a534/030b6c5814f9460ebef2d19216ec124c/FLAGee51a5527 [2021-06-10 11:13:53,488 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 11:13:53,489 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2021-06-10 11:13:53,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ceb2a534/030b6c5814f9460ebef2d19216ec124c/FLAGee51a5527 [2021-06-10 11:13:53,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ceb2a534/030b6c5814f9460ebef2d19216ec124c [2021-06-10 11:13:53,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 11:13:54,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 11:13:54,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 11:13:54,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 11:13:54,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 11:13:54,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 11:13:53" (1/1) ... [2021-06-10 11:13:54,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0957dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54, skipping insertion in model container [2021-06-10 11:13:54,007 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 11:13:53" (1/1) ... [2021-06-10 11:13:54,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 11:13:54,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 11:13:54,206 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-10 11:13:54,351 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/lamport.i[32156,32169] [2021-06-10 11:13:54,361 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/lamport.i[34083,34096] [2021-06-10 11:13:54,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 11:13:54,380 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 11:13:54,404 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-06-10 11:13:54,429 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/lamport.i[32156,32169] [2021-06-10 11:13:54,432 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/lamport.i[34083,34096] [2021-06-10 11:13:54,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 11:13:54,488 INFO L208 MainTranslator]: Completed translation [2021-06-10 11:13:54,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54 WrapperNode [2021-06-10 11:13:54,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 11:13:54,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 11:13:54,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 11:13:54,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 11:13:54,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 11:13:54,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 11:13:54,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 11:13:54,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 11:13:54,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (1/1) ... [2021-06-10 11:13:54,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 11:13:54,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 11:13:54,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 11:13:54,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 11:13:54,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (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 [2021-06-10 11:13:54,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-10 11:13:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-06-10 11:13:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-06-10 11:13:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-06-10 11:13:54,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-06-10 11:13:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 11:13:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 11:13:54,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 11:13:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 11:13:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 11:13:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 11:13:54,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 11:13:54,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 11:13:54,630 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 11:13:55,046 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 11:13:55,047 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-06-10 11:13:55,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 11:13:55 BoogieIcfgContainer [2021-06-10 11:13:55,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 11:13:55,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 11:13:55,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 11:13:55,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 11:13:55,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 11:13:53" (1/3) ... [2021-06-10 11:13:55,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ab27dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 11:13:55, skipping insertion in model container [2021-06-10 11:13:55,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 11:13:54" (2/3) ... [2021-06-10 11:13:55,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ab27dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 11:13:55, skipping insertion in model container [2021-06-10 11:13:55,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 11:13:55" (3/3) ... [2021-06-10 11:13:55,055 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.i [2021-06-10 11:13:55,060 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 11:13:55,064 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 11:13:55,065 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 11:13:55,104 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,104 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,105 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,105 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,105 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,106 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,109 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,110 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,111 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,112 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,113 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,114 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,115 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,115 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,115 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,115 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,115 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,116 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,116 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,116 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,116 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,116 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,117 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,118 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,118 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,118 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,118 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,118 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,118 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,126 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,128 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,129 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,130 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,131 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,133 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,134 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,138 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,139 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,139 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,140 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,142 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,142 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,142 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~y1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~b21~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,143 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~x1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,143 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,147 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~b12~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~x2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,148 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~y2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 11:13:55,155 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-10 11:13:55,170 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-10 11:13:55,198 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 11:13:55,198 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 11:13:55,198 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 11:13:55,198 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 11:13:55,198 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 11:13:55,198 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 11:13:55,198 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 11:13:55,198 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 11:13:55,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 125 transitions, 272 flow [2021-06-10 11:13:55,279 INFO L129 PetriNetUnfolder]: 25/125 cut-off events. [2021-06-10 11:13:55,280 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-06-10 11:13:55,292 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 125 events. 25/125 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 280 event pairs, 0 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 97. Up to 5 conditions per place. [2021-06-10 11:13:55,293 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 125 transitions, 272 flow [2021-06-10 11:13:55,298 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 113 transitions, 238 flow [2021-06-10 11:13:55,304 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-06-10 11:13:55,305 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 11:13:55,305 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:55,306 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, 1, 1] [2021-06-10 11:13:55,306 INFO L428 AbstractCegarLoop]: === Iteration 1 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:55,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:55,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1295543096, now seen corresponding path program 1 times [2021-06-10 11:13:55,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:55,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976955017] [2021-06-10 11:13:55,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:55,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:55,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:55,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:55,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976955017] [2021-06-10 11:13:55,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:55,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 11:13:55,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760012781] [2021-06-10 11:13:55,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-10 11:13:55,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:55,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-10 11:13:55,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-10 11:13:55,505 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 125 [2021-06-10 11:13:55,510 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 113 transitions, 238 flow. Second operand has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 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) [2021-06-10 11:13:55,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:55,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 125 [2021-06-10 11:13:55,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:55,552 INFO L129 PetriNetUnfolder]: 12/103 cut-off events. [2021-06-10 11:13:55,553 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-06-10 11:13:55,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 113 conditions, 103 events. 12/103 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 211 event pairs, 0 based on Foata normal form. 12/101 useless extension candidates. Maximal degree in co-relation 109. Up to 3 conditions per place. [2021-06-10 11:13:55,556 INFO L132 encePairwiseOnDemand]: 113/125 looper letters, 0 selfloop transitions, 0 changer transitions 0/101 dead transitions. [2021-06-10 11:13:55,556 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 101 transitions, 214 flow [2021-06-10 11:13:55,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-10 11:13:55,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-06-10 11:13:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 238 transitions. [2021-06-10 11:13:55,566 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.952 [2021-06-10 11:13:55,566 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 238 transitions. [2021-06-10 11:13:55,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 238 transitions. [2021-06-10 11:13:55,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:55,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 238 transitions. [2021-06-10 11:13:55,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 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) [2021-06-10 11:13:55,583 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2021-06-10 11:13:55,583 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2021-06-10 11:13:55,585 INFO L185 Difference]: Start difference. First operand has 95 places, 113 transitions, 238 flow. Second operand 2 states and 238 transitions. [2021-06-10 11:13:55,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 101 transitions, 214 flow [2021-06-10 11:13:55,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 101 transitions, 206 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-10 11:13:55,591 INFO L241 Difference]: Finished difference. Result has 92 places, 101 transitions, 206 flow [2021-06-10 11:13:55,593 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=206, PETRI_PLACES=92, PETRI_TRANSITIONS=101} [2021-06-10 11:13:55,594 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, -3 predicate places. [2021-06-10 11:13:55,594 INFO L480 AbstractCegarLoop]: Abstraction has has 92 places, 101 transitions, 206 flow [2021-06-10 11:13:55,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 113.5) internal successors, (227), 2 states have internal predecessors, (227), 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) [2021-06-10 11:13:55,594 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:55,595 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 11:13:55,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 11:13:55,595 INFO L428 AbstractCegarLoop]: === Iteration 2 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:55,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:55,596 INFO L82 PathProgramCache]: Analyzing trace with hash -607380885, now seen corresponding path program 1 times [2021-06-10 11:13:55,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:55,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268485097] [2021-06-10 11:13:55,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:55,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:55,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:55,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268485097] [2021-06-10 11:13:55,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:55,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 11:13:55,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847537479] [2021-06-10 11:13:55,704 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 11:13:55,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:55,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 11:13:55,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 11:13:55,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 125 [2021-06-10 11:13:55,707 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 101 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2021-06-10 11:13:55,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:55,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 125 [2021-06-10 11:13:55,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:55,780 INFO L129 PetriNetUnfolder]: 19/163 cut-off events. [2021-06-10 11:13:55,780 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 11:13:55,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 163 events. 19/163 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 524 event pairs, 2 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 193. Up to 18 conditions per place. [2021-06-10 11:13:55,782 INFO L132 encePairwiseOnDemand]: 120/125 looper letters, 7 selfloop transitions, 3 changer transitions 0/104 dead transitions. [2021-06-10 11:13:55,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 104 transitions, 232 flow [2021-06-10 11:13:55,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 11:13:55,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 11:13:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2021-06-10 11:13:55,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.88 [2021-06-10 11:13:55,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2021-06-10 11:13:55,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2021-06-10 11:13:55,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:55,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2021-06-10 11:13:55,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2021-06-10 11:13:55,788 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 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) [2021-06-10 11:13:55,789 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 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) [2021-06-10 11:13:55,789 INFO L185 Difference]: Start difference. First operand has 92 places, 101 transitions, 206 flow. Second operand 3 states and 330 transitions. [2021-06-10 11:13:55,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 104 transitions, 232 flow [2021-06-10 11:13:55,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 104 transitions, 232 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 11:13:55,792 INFO L241 Difference]: Finished difference. Result has 96 places, 102 transitions, 226 flow [2021-06-10 11:13:55,792 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=96, PETRI_TRANSITIONS=102} [2021-06-10 11:13:55,793 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 1 predicate places. [2021-06-10 11:13:55,793 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 102 transitions, 226 flow [2021-06-10 11:13:55,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2021-06-10 11:13:55,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:55,793 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 11:13:55,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 11:13:55,794 INFO L428 AbstractCegarLoop]: === Iteration 3 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:55,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:55,794 INFO L82 PathProgramCache]: Analyzing trace with hash 508238652, now seen corresponding path program 1 times [2021-06-10 11:13:55,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:55,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844731336] [2021-06-10 11:13:55,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:55,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:55,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 11:13:55,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:55,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:55,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844731336] [2021-06-10 11:13:55,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:55,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-10 11:13:55,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359370687] [2021-06-10 11:13:55,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 11:13:55,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:55,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 11:13:55,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 11:13:55,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 125 [2021-06-10 11:13:55,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 102 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2021-06-10 11:13:55,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:55,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 125 [2021-06-10 11:13:55,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:55,945 INFO L129 PetriNetUnfolder]: 14/145 cut-off events. [2021-06-10 11:13:55,946 INFO L130 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2021-06-10 11:13:55,947 INFO L84 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 145 events. 14/145 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 412 event pairs, 2 based on Foata normal form. 6/137 useless extension candidates. Maximal degree in co-relation 185. Up to 11 conditions per place. [2021-06-10 11:13:55,947 INFO L132 encePairwiseOnDemand]: 121/125 looper letters, 6 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2021-06-10 11:13:55,948 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 242 flow [2021-06-10 11:13:55,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 11:13:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 11:13:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 328 transitions. [2021-06-10 11:13:55,950 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8746666666666667 [2021-06-10 11:13:55,951 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 328 transitions. [2021-06-10 11:13:55,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 328 transitions. [2021-06-10 11:13:55,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:55,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 328 transitions. [2021-06-10 11:13:55,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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) [2021-06-10 11:13:55,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 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) [2021-06-10 11:13:55,955 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 125.0) internal successors, (500), 4 states have internal predecessors, (500), 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) [2021-06-10 11:13:55,955 INFO L185 Difference]: Start difference. First operand has 96 places, 102 transitions, 226 flow. Second operand 3 states and 328 transitions. [2021-06-10 11:13:55,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 242 flow [2021-06-10 11:13:55,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 102 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 11:13:55,958 INFO L241 Difference]: Finished difference. Result has 97 places, 102 transitions, 230 flow [2021-06-10 11:13:55,958 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=97, PETRI_TRANSITIONS=102} [2021-06-10 11:13:55,959 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 2 predicate places. [2021-06-10 11:13:55,959 INFO L480 AbstractCegarLoop]: Abstraction has has 97 places, 102 transitions, 230 flow [2021-06-10 11:13:55,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2021-06-10 11:13:55,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:55,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 11:13:55,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 11:13:55,960 INFO L428 AbstractCegarLoop]: === Iteration 4 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:55,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:55,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1726244437, now seen corresponding path program 1 times [2021-06-10 11:13:55,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:55,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974610327] [2021-06-10 11:13:55,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:56,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:56,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:56,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:56,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:56,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974610327] [2021-06-10 11:13:56,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:56,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 11:13:56,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398120360] [2021-06-10 11:13:56,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 11:13:56,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:56,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 11:13:56,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 11:13:56,033 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 125 [2021-06-10 11:13:56,034 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 102 transitions, 230 flow. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 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) [2021-06-10 11:13:56,034 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:56,034 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 125 [2021-06-10 11:13:56,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:56,290 INFO L129 PetriNetUnfolder]: 396/1150 cut-off events. [2021-06-10 11:13:56,291 INFO L130 PetriNetUnfolder]: For 59/60 co-relation queries the response was YES. [2021-06-10 11:13:56,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1826 conditions, 1150 events. 396/1150 cut-off events. For 59/60 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 7569 event pairs, 43 based on Foata normal form. 0/991 useless extension candidates. Maximal degree in co-relation 1820. Up to 259 conditions per place. [2021-06-10 11:13:56,302 INFO L132 encePairwiseOnDemand]: 111/125 looper letters, 45 selfloop transitions, 5 changer transitions 24/150 dead transitions. [2021-06-10 11:13:56,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 150 transitions, 474 flow [2021-06-10 11:13:56,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 11:13:56,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 11:13:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 517 transitions. [2021-06-10 11:13:56,307 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8272 [2021-06-10 11:13:56,307 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 517 transitions. [2021-06-10 11:13:56,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 517 transitions. [2021-06-10 11:13:56,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:56,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 517 transitions. [2021-06-10 11:13:56,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 103.4) internal successors, (517), 5 states have internal predecessors, (517), 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) [2021-06-10 11:13:56,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:56,316 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:56,316 INFO L185 Difference]: Start difference. First operand has 97 places, 102 transitions, 230 flow. Second operand 5 states and 517 transitions. [2021-06-10 11:13:56,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 150 transitions, 474 flow [2021-06-10 11:13:56,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 150 transitions, 472 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-10 11:13:56,325 INFO L241 Difference]: Finished difference. Result has 104 places, 107 transitions, 304 flow [2021-06-10 11:13:56,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=304, PETRI_PLACES=104, PETRI_TRANSITIONS=107} [2021-06-10 11:13:56,329 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 9 predicate places. [2021-06-10 11:13:56,329 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 107 transitions, 304 flow [2021-06-10 11:13:56,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 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) [2021-06-10 11:13:56,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:56,331 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 11:13:56,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 11:13:56,331 INFO L428 AbstractCegarLoop]: === Iteration 5 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:56,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:56,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1245588333, now seen corresponding path program 2 times [2021-06-10 11:13:56,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:56,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923166315] [2021-06-10 11:13:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:56,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:56,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:56,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:56,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:56,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:56,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923166315] [2021-06-10 11:13:56,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:56,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 11:13:56,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483636399] [2021-06-10 11:13:56,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 11:13:56,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:56,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 11:13:56,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 11:13:56,410 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 125 [2021-06-10 11:13:56,410 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 107 transitions, 304 flow. Second operand has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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) [2021-06-10 11:13:56,411 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:56,411 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 125 [2021-06-10 11:13:56,411 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:56,620 INFO L129 PetriNetUnfolder]: 355/1672 cut-off events. [2021-06-10 11:13:56,620 INFO L130 PetriNetUnfolder]: For 229/238 co-relation queries the response was YES. [2021-06-10 11:13:56,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2533 conditions, 1672 events. 355/1672 cut-off events. For 229/238 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 13619 event pairs, 31 based on Foata normal form. 1/1445 useless extension candidates. Maximal degree in co-relation 2524. Up to 183 conditions per place. [2021-06-10 11:13:56,632 INFO L132 encePairwiseOnDemand]: 121/125 looper letters, 17 selfloop transitions, 6 changer transitions 0/122 dead transitions. [2021-06-10 11:13:56,632 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 122 transitions, 380 flow [2021-06-10 11:13:56,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 11:13:56,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 11:13:56,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 549 transitions. [2021-06-10 11:13:56,634 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8784 [2021-06-10 11:13:56,634 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 549 transitions. [2021-06-10 11:13:56,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 549 transitions. [2021-06-10 11:13:56,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:56,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 549 transitions. [2021-06-10 11:13:56,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 109.8) internal successors, (549), 5 states have internal predecessors, (549), 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) [2021-06-10 11:13:56,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:56,638 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:56,638 INFO L185 Difference]: Start difference. First operand has 104 places, 107 transitions, 304 flow. Second operand 5 states and 549 transitions. [2021-06-10 11:13:56,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 122 transitions, 380 flow [2021-06-10 11:13:56,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 122 transitions, 364 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-06-10 11:13:56,645 INFO L241 Difference]: Finished difference. Result has 110 places, 113 transitions, 338 flow [2021-06-10 11:13:56,646 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=338, PETRI_PLACES=110, PETRI_TRANSITIONS=113} [2021-06-10 11:13:56,646 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 15 predicate places. [2021-06-10 11:13:56,646 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 113 transitions, 338 flow [2021-06-10 11:13:56,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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) [2021-06-10 11:13:56,646 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:56,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 11:13:56,647 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 11:13:56,647 INFO L428 AbstractCegarLoop]: === Iteration 6 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:56,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:56,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1941836083, now seen corresponding path program 3 times [2021-06-10 11:13:56,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:56,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420988242] [2021-06-10 11:13:56,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:56,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:56,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:56,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:56,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:56,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:56,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420988242] [2021-06-10 11:13:56,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:56,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 11:13:56,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406174813] [2021-06-10 11:13:56,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 11:13:56,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:56,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 11:13:56,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 11:13:56,726 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 125 [2021-06-10 11:13:56,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 113 transitions, 338 flow. Second operand has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 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) [2021-06-10 11:13:56,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:56,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 125 [2021-06-10 11:13:56,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:57,241 INFO L129 PetriNetUnfolder]: 1019/3435 cut-off events. [2021-06-10 11:13:57,241 INFO L130 PetriNetUnfolder]: For 1311/1352 co-relation queries the response was YES. [2021-06-10 11:13:57,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6808 conditions, 3435 events. 1019/3435 cut-off events. For 1311/1352 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 29813 event pairs, 129 based on Foata normal form. 20/3134 useless extension candidates. Maximal degree in co-relation 6796. Up to 821 conditions per place. [2021-06-10 11:13:57,265 INFO L132 encePairwiseOnDemand]: 111/125 looper letters, 51 selfloop transitions, 6 changer transitions 23/162 dead transitions. [2021-06-10 11:13:57,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 162 transitions, 637 flow [2021-06-10 11:13:57,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 11:13:57,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 11:13:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 518 transitions. [2021-06-10 11:13:57,267 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8288 [2021-06-10 11:13:57,267 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 518 transitions. [2021-06-10 11:13:57,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 518 transitions. [2021-06-10 11:13:57,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:57,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 518 transitions. [2021-06-10 11:13:57,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 103.6) internal successors, (518), 5 states have internal predecessors, (518), 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) [2021-06-10 11:13:57,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:57,271 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:57,271 INFO L185 Difference]: Start difference. First operand has 110 places, 113 transitions, 338 flow. Second operand 5 states and 518 transitions. [2021-06-10 11:13:57,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 162 transitions, 637 flow [2021-06-10 11:13:57,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 162 transitions, 637 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 11:13:57,279 INFO L241 Difference]: Finished difference. Result has 118 places, 116 transitions, 414 flow [2021-06-10 11:13:57,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=414, PETRI_PLACES=118, PETRI_TRANSITIONS=116} [2021-06-10 11:13:57,279 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 23 predicate places. [2021-06-10 11:13:57,279 INFO L480 AbstractCegarLoop]: Abstraction has has 118 places, 116 transitions, 414 flow [2021-06-10 11:13:57,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 88.75) internal successors, (355), 4 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) [2021-06-10 11:13:57,279 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:57,280 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 11:13:57,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 11:13:57,280 INFO L428 AbstractCegarLoop]: === Iteration 7 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:57,280 INFO L82 PathProgramCache]: Analyzing trace with hash 292315869, now seen corresponding path program 4 times [2021-06-10 11:13:57,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:57,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758290268] [2021-06-10 11:13:57,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:57,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:57,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:57,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:57,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:57,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758290268] [2021-06-10 11:13:57,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:57,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 11:13:57,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954009672] [2021-06-10 11:13:57,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 11:13:57,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:57,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 11:13:57,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 11:13:57,351 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 125 [2021-06-10 11:13:57,352 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 116 transitions, 414 flow. Second operand has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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) [2021-06-10 11:13:57,352 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:57,352 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 125 [2021-06-10 11:13:57,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:57,771 INFO L129 PetriNetUnfolder]: 591/3034 cut-off events. [2021-06-10 11:13:57,771 INFO L130 PetriNetUnfolder]: For 1657/1708 co-relation queries the response was YES. [2021-06-10 11:13:57,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5964 conditions, 3034 events. 591/3034 cut-off events. For 1657/1708 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 27261 event pairs, 46 based on Foata normal form. 20/2937 useless extension candidates. Maximal degree in co-relation 5948. Up to 442 conditions per place. [2021-06-10 11:13:57,795 INFO L132 encePairwiseOnDemand]: 121/125 looper letters, 23 selfloop transitions, 11 changer transitions 0/136 dead transitions. [2021-06-10 11:13:57,795 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 136 transitions, 575 flow [2021-06-10 11:13:57,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 11:13:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 11:13:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 550 transitions. [2021-06-10 11:13:57,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.88 [2021-06-10 11:13:57,797 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 550 transitions. [2021-06-10 11:13:57,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 550 transitions. [2021-06-10 11:13:57,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:57,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 550 transitions. [2021-06-10 11:13:57,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 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) [2021-06-10 11:13:57,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:57,800 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:57,800 INFO L185 Difference]: Start difference. First operand has 118 places, 116 transitions, 414 flow. Second operand 5 states and 550 transitions. [2021-06-10 11:13:57,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 136 transitions, 575 flow [2021-06-10 11:13:57,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 136 transitions, 555 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-06-10 11:13:57,808 INFO L241 Difference]: Finished difference. Result has 124 places, 124 transitions, 488 flow [2021-06-10 11:13:57,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=488, PETRI_PLACES=124, PETRI_TRANSITIONS=124} [2021-06-10 11:13:57,809 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 29 predicate places. [2021-06-10 11:13:57,809 INFO L480 AbstractCegarLoop]: Abstraction has has 124 places, 124 transitions, 488 flow [2021-06-10 11:13:57,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 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) [2021-06-10 11:13:57,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:57,811 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, 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] [2021-06-10 11:13:57,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-10 11:13:57,811 INFO L428 AbstractCegarLoop]: === Iteration 8 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:57,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:57,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1484815531, now seen corresponding path program 1 times [2021-06-10 11:13:57,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:57,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692696307] [2021-06-10 11:13:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:57,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:57,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:57,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 11:13:57,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:57,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:57,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692696307] [2021-06-10 11:13:57,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:57,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 11:13:57,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056273134] [2021-06-10 11:13:57,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 11:13:57,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:57,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 11:13:57,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 11:13:57,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 125 [2021-06-10 11:13:57,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 124 transitions, 488 flow. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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) [2021-06-10 11:13:57,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:57,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 125 [2021-06-10 11:13:57,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:58,179 INFO L129 PetriNetUnfolder]: 568/2891 cut-off events. [2021-06-10 11:13:58,179 INFO L130 PetriNetUnfolder]: For 1118/1143 co-relation queries the response was YES. [2021-06-10 11:13:58,192 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5466 conditions, 2891 events. 568/2891 cut-off events. For 1118/1143 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 26503 event pairs, 53 based on Foata normal form. 5/2727 useless extension candidates. Maximal degree in co-relation 5447. Up to 400 conditions per place. [2021-06-10 11:13:58,199 INFO L132 encePairwiseOnDemand]: 118/125 looper letters, 12 selfloop transitions, 10 changer transitions 4/138 dead transitions. [2021-06-10 11:13:58,199 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 138 transitions, 564 flow [2021-06-10 11:13:58,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 11:13:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 11:13:58,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 541 transitions. [2021-06-10 11:13:58,201 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8656 [2021-06-10 11:13:58,201 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 541 transitions. [2021-06-10 11:13:58,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 541 transitions. [2021-06-10 11:13:58,202 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:58,202 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 541 transitions. [2021-06-10 11:13:58,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.2) internal successors, (541), 5 states have internal predecessors, (541), 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) [2021-06-10 11:13:58,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:58,204 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:58,205 INFO L185 Difference]: Start difference. First operand has 124 places, 124 transitions, 488 flow. Second operand 5 states and 541 transitions. [2021-06-10 11:13:58,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 138 transitions, 564 flow [2021-06-10 11:13:58,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 138 transitions, 564 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-10 11:13:58,213 INFO L241 Difference]: Finished difference. Result has 131 places, 129 transitions, 531 flow [2021-06-10 11:13:58,213 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=531, PETRI_PLACES=131, PETRI_TRANSITIONS=129} [2021-06-10 11:13:58,213 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 36 predicate places. [2021-06-10 11:13:58,213 INFO L480 AbstractCegarLoop]: Abstraction has has 131 places, 129 transitions, 531 flow [2021-06-10 11:13:58,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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) [2021-06-10 11:13:58,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 11:13:58,214 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, 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] [2021-06-10 11:13:58,214 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-10 11:13:58,214 INFO L428 AbstractCegarLoop]: === Iteration 9 === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 11:13:58,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 11:13:58,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1341082818, now seen corresponding path program 1 times [2021-06-10 11:13:58,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 11:13:58,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660970966] [2021-06-10 11:13:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 11:13:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 11:13:58,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:58,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:58,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 11:13:58,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:58,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-10 11:13:58,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 11:13:58,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 11:13:58,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 11:13:58,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660970966] [2021-06-10 11:13:58,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 11:13:58,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-10 11:13:58,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467040360] [2021-06-10 11:13:58,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-10 11:13:58,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 11:13:58,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-10 11:13:58,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-10 11:13:58,253 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 125 [2021-06-10 11:13:58,253 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 129 transitions, 531 flow. Second operand has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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) [2021-06-10 11:13:58,253 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 11:13:58,254 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 125 [2021-06-10 11:13:58,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 11:13:58,533 INFO L129 PetriNetUnfolder]: 514/2577 cut-off events. [2021-06-10 11:13:58,533 INFO L130 PetriNetUnfolder]: For 1018/1041 co-relation queries the response was YES. [2021-06-10 11:13:58,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5234 conditions, 2577 events. 514/2577 cut-off events. For 1018/1041 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 22700 event pairs, 43 based on Foata normal form. 7/2444 useless extension candidates. Maximal degree in co-relation 5211. Up to 322 conditions per place. [2021-06-10 11:13:58,550 INFO L132 encePairwiseOnDemand]: 118/125 looper letters, 0 selfloop transitions, 0 changer transitions 140/140 dead transitions. [2021-06-10 11:13:58,550 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 140 transitions, 600 flow [2021-06-10 11:13:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-10 11:13:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-10 11:13:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 542 transitions. [2021-06-10 11:13:58,552 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8672 [2021-06-10 11:13:58,552 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 542 transitions. [2021-06-10 11:13:58,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 542 transitions. [2021-06-10 11:13:58,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 11:13:58,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 542 transitions. [2021-06-10 11:13:58,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 108.4) internal successors, (542), 5 states have internal predecessors, (542), 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) [2021-06-10 11:13:58,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:58,555 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 125.0) internal successors, (750), 6 states have internal predecessors, (750), 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) [2021-06-10 11:13:58,555 INFO L185 Difference]: Start difference. First operand has 131 places, 129 transitions, 531 flow. Second operand 5 states and 542 transitions. [2021-06-10 11:13:58,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 140 transitions, 600 flow [2021-06-10 11:13:58,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 140 transitions, 582 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-06-10 11:13:58,566 INFO L241 Difference]: Finished difference. Result has 130 places, 0 transitions, 0 flow [2021-06-10 11:13:58,566 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=125, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=130, PETRI_TRANSITIONS=0} [2021-06-10 11:13:58,566 INFO L343 CegarLoopForPetriNet]: 95 programPoint places, 35 predicate places. [2021-06-10 11:13:58,566 INFO L480 AbstractCegarLoop]: Abstraction has has 130 places, 0 transitions, 0 flow [2021-06-10 11:13:58,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 104.25) internal successors, (417), 4 states have internal predecessors, (417), 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) [2021-06-10 11:13:58,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-10 11:13:58,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 11:13:58 BasicIcfg [2021-06-10 11:13:58,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 11:13:58,576 INFO L168 Benchmark]: Toolchain (without parser) took 4572.52 ms. Allocated memory was 356.5 MB in the beginning and 455.1 MB in the end (delta: 98.6 MB). Free memory was 319.0 MB in the beginning and 344.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 73.4 MB. Max. memory is 16.0 GB. [2021-06-10 11:13:58,576 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 356.5 MB. Free memory is still 337.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 11:13:58,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.49 ms. Allocated memory is still 356.5 MB. Free memory was 318.8 MB in the beginning and 318.3 MB in the end (delta: 524.5 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-10 11:13:58,577 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.65 ms. Allocated memory is still 356.5 MB. Free memory was 318.3 MB in the beginning and 316.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 11:13:58,577 INFO L168 Benchmark]: Boogie Preprocessor took 40.91 ms. Allocated memory is still 356.5 MB. Free memory was 316.2 MB in the beginning and 315.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 11:13:58,578 INFO L168 Benchmark]: RCFGBuilder took 481.87 ms. Allocated memory is still 356.5 MB. Free memory was 315.2 MB in the beginning and 286.8 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-10 11:13:58,580 INFO L168 Benchmark]: TraceAbstraction took 3521.63 ms. Allocated memory was 356.5 MB in the beginning and 455.1 MB in the end (delta: 98.6 MB). Free memory was 285.8 MB in the beginning and 344.6 MB in the end (delta: -58.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.0 GB. [2021-06-10 11:13:58,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 356.5 MB. Free memory is still 337.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 486.49 ms. Allocated memory is still 356.5 MB. Free memory was 318.8 MB in the beginning and 318.3 MB in the end (delta: 524.5 kB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.65 ms. Allocated memory is still 356.5 MB. Free memory was 318.3 MB in the beginning and 316.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.91 ms. Allocated memory is still 356.5 MB. Free memory was 316.2 MB in the beginning and 315.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 481.87 ms. Allocated memory is still 356.5 MB. Free memory was 315.2 MB in the beginning and 286.8 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3521.63 ms. Allocated memory was 356.5 MB in the beginning and 455.1 MB in the end (delta: 98.6 MB). Free memory was 285.8 MB in the beginning and 344.6 MB in the end (delta: -58.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 834]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 764]: 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, 100 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 6.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 3374.1ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 2471.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 99.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 147 SDtfs, 121 SDslu, 72 SDs, 0 SdLazy, 277 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 223.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 93.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=531occurred in iteration=8, InterpolantAutomatonStates: 38, 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: 26.9ms SsaConstructionTime, 138.0ms SatisfiabilityAnalysisTime, 410.1ms InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 359 ConstructedInterpolants, 0 QuantifiedInterpolants, 479 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...