/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 22:27:46,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 22:27:46,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 22:27:46,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 22:27:46,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 22:27:46,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 22:27:46,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 22:27:46,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 22:27:46,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 22:27:46,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 22:27:46,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 22:27:46,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 22:27:46,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 22:27:46,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 22:27:46,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 22:27:46,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 22:27:46,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 22:27:46,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 22:27:46,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 22:27:46,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 22:27:46,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 22:27:46,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 22:27:46,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 22:27:46,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 22:27:46,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 22:27:46,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 22:27:46,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 22:27:46,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 22:27:46,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 22:27:46,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 22:27:46,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 22:27:46,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 22:27:46,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 22:27:46,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 22:27:46,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 22:27:46,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 22:27:46,571 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-SemanticLbe.epf [2021-03-11 22:27:46,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 22:27:46,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 22:27:46,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 22:27:46,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 22:27:46,598 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 22:27:46,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 22:27:46,598 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 22:27:46,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 22:27:46,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 22:27:46,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 22:27:46,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 22:27:46,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 22:27:46,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 22:27:46,599 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 22:27:46,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 22:27:46,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 22:27:46,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 22:27:46,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 22:27:46,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 22:27:46,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 22:27:46,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 22:27:46,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 22:27:46,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 22:27:46,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 22:27:46,835 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 22:27:46,836 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 22:27:46,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2021-03-11 22:27:46,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68d35402/3466e3401881444d8af32d2b870604ba/FLAG6fc28c41a [2021-03-11 22:27:47,271 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 22:27:47,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/joinMultipleReturnValues.c [2021-03-11 22:27:47,271 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 22:27:47,271 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 22:27:47,271 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 22:27:47,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68d35402/3466e3401881444d8af32d2b870604ba/FLAG6fc28c41a [2021-03-11 22:27:47,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68d35402/3466e3401881444d8af32d2b870604ba [2021-03-11 22:27:47,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 22:27:47,313 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 22:27:47,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 22:27:47,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 22:27:47,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 22:27:47,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ddcfda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47, skipping insertion in model container [2021-03-11 22:27:47,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 22:27:47,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 22:27:47,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 22:27:47,474 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 22:27:47,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 22:27:47,496 INFO L208 MainTranslator]: Completed translation [2021-03-11 22:27:47,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47 WrapperNode [2021-03-11 22:27:47,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 22:27:47,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 22:27:47,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 22:27:47,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 22:27:47,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 22:27:47,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 22:27:47,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 22:27:47,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 22:27:47,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... [2021-03-11 22:27:47,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 22:27:47,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 22:27:47,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 22:27:47,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 22:27:47,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 22:27:47,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-03-11 22:27:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 22:27:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-03-11 22:27:47,605 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-11 22:27:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-11 22:27:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 22:27:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 22:27:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 22:27:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 22:27:47,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-11 22:27:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 22:27:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 22:27:47,608 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 22:27:47,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 22:27:47,892 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 22:27:47,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:27:47 BoogieIcfgContainer [2021-03-11 22:27:47,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 22:27:47,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 22:27:47,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 22:27:47,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 22:27:47,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 10:27:47" (1/3) ... [2021-03-11 22:27:47,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347ce012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:27:47, skipping insertion in model container [2021-03-11 22:27:47,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:27:47" (2/3) ... [2021-03-11 22:27:47,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347ce012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:27:47, skipping insertion in model container [2021-03-11 22:27:47,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:27:47" (3/3) ... [2021-03-11 22:27:47,897 INFO L111 eAbstractionObserver]: Analyzing ICFG joinMultipleReturnValues.c [2021-03-11 22:27:47,904 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 22:27:47,907 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 22:27:47,907 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 22:27:47,923 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,923 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,923 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,923 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,923 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,923 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,924 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,925 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,926 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,927 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,928 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,929 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,929 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,929 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,929 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,929 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,929 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,930 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,930 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,930 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,930 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,930 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,930 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,930 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,931 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,932 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,932 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,932 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,933 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,933 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,933 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,933 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret_val~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,933 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,934 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,934 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,934 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,934 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,934 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,934 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~num~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,934 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~malloc0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:27:47,938 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 22:27:47,955 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-11 22:27:47,967 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 22:27:47,967 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 22:27:47,967 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 22:27:47,967 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 22:27:47,967 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 22:27:47,967 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 22:27:47,967 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 22:27:47,967 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 22:27:47,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 58 transitions, 124 flow [2021-03-11 22:27:47,993 INFO L129 PetriNetUnfolder]: 1/57 cut-off events. [2021-03-11 22:27:47,993 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 22:27:47,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 57 events. 1/57 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 15 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2021-03-11 22:27:47,995 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 58 transitions, 124 flow [2021-03-11 22:27:47,997 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 100 flow [2021-03-11 22:27:47,999 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 22:27:48,004 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 47 transitions, 100 flow [2021-03-11 22:27:48,006 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 47 transitions, 100 flow [2021-03-11 22:27:48,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 47 transitions, 100 flow [2021-03-11 22:27:48,015 INFO L129 PetriNetUnfolder]: 1/47 cut-off events. [2021-03-11 22:27:48,015 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 22:27:48,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 47 events. 1/47 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 15 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2021-03-11 22:27:48,016 INFO L116 LiptonReduction]: Number of co-enabled transitions 68 [2021-03-11 22:27:50,029 INFO L131 LiptonReduction]: Checked pairs total: 105 [2021-03-11 22:27:50,030 INFO L133 LiptonReduction]: Total number of compositions: 46 [2021-03-11 22:27:50,031 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2034 [2021-03-11 22:27:50,065 INFO L129 PetriNetUnfolder]: 1/8 cut-off events. [2021-03-11 22:27:50,066 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 22:27:50,066 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 22:27:50,066 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 22:27:50,066 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-03-11 22:27:50,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 22:27:50,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1911650367, now seen corresponding path program 1 times [2021-03-11 22:27:50,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 22:27:50,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21099479] [2021-03-11 22:27:50,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 22:27:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 22:27:50,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 22:27:50,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 22:27:50,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 22:27:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 22:27:50,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21099479] [2021-03-11 22:27:50,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 22:27:50,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 22:27:50,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294048655] [2021-03-11 22:27:50,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 22:27:50,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 22:27:50,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 22:27:50,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 22:27:50,296 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 104 [2021-03-11 22:27:50,298 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 10 transitions, 26 flow. Second operand has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,298 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 22:27:50,298 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 104 [2021-03-11 22:27:50,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 22:27:50,334 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-03-11 22:27:50,334 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 22:27:50,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 12 events. 2/12 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 1 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 14. Up to 6 conditions per place. [2021-03-11 22:27:50,335 INFO L132 encePairwiseOnDemand]: 100/104 looper letters, 5 selfloop transitions, 3 changer transitions 0/9 dead transitions. [2021-03-11 22:27:50,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 9 transitions, 40 flow [2021-03-11 22:27:50,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 22:27:50,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 22:27:50,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 213 transitions. [2021-03-11 22:27:50,345 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5120192307692307 [2021-03-11 22:27:50,345 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 213 transitions. [2021-03-11 22:27:50,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 213 transitions. [2021-03-11 22:27:50,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 22:27:50,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 213 transitions. [2021-03-11 22:27:50,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,357 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 104.0) internal successors, (520), 5 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,358 INFO L185 Difference]: Start difference. First operand has 13 places, 10 transitions, 26 flow. Second operand 4 states and 213 transitions. [2021-03-11 22:27:50,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 9 transitions, 40 flow [2021-03-11 22:27:50,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 9 transitions, 36 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 22:27:50,361 INFO L241 Difference]: Finished difference. Result has 13 places, 8 transitions, 24 flow [2021-03-11 22:27:50,362 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=5, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=24, PETRI_PLACES=13, PETRI_TRANSITIONS=8} [2021-03-11 22:27:50,363 INFO L335 CegarLoopForPetriNet]: 13 programPoint places, 0 predicate places. [2021-03-11 22:27:50,363 INFO L480 AbstractCegarLoop]: Abstraction has has 13 places, 8 transitions, 24 flow [2021-03-11 22:27:50,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 52.5) internal successors, (210), 4 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,363 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 22:27:50,363 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 22:27:50,363 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 22:27:50,364 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-03-11 22:27:50,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 22:27:50,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1911619615, now seen corresponding path program 1 times [2021-03-11 22:27:50,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 22:27:50,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333753442] [2021-03-11 22:27:50,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 22:27:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 22:27:50,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 22:27:50,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-11 22:27:50,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 22:27:50,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 22:27:50,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-11 22:27:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 22:27:50,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333753442] [2021-03-11 22:27:50,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 22:27:50,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 22:27:50,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780001902] [2021-03-11 22:27:50,447 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 22:27:50,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 22:27:50,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 22:27:50,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-11 22:27:50,448 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 104 [2021-03-11 22:27:50,448 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 8 transitions, 24 flow. Second operand has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,448 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 22:27:50,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 104 [2021-03-11 22:27:50,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 22:27:50,518 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-03-11 22:27:50,518 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:27:50,518 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 11 events. 2/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 8. Up to 4 conditions per place. [2021-03-11 22:27:50,518 INFO L132 encePairwiseOnDemand]: 97/104 looper letters, 3 selfloop transitions, 6 changer transitions 0/9 dead transitions. [2021-03-11 22:27:50,518 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 9 transitions, 44 flow [2021-03-11 22:27:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 22:27:50,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 22:27:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 248 transitions. [2021-03-11 22:27:50,520 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.34065934065934067 [2021-03-11 22:27:50,520 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 248 transitions. [2021-03-11 22:27:50,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 248 transitions. [2021-03-11 22:27:50,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 22:27:50,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 248 transitions. [2021-03-11 22:27:50,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 35.42857142857143) internal successors, (248), 7 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,523 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,523 INFO L185 Difference]: Start difference. First operand has 13 places, 8 transitions, 24 flow. Second operand 7 states and 248 transitions. [2021-03-11 22:27:50,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 9 transitions, 44 flow [2021-03-11 22:27:50,523 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 9 transitions, 38 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-11 22:27:50,523 INFO L241 Difference]: Finished difference. Result has 15 places, 7 transitions, 28 flow [2021-03-11 22:27:50,523 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=28, PETRI_PLACES=15, PETRI_TRANSITIONS=7} [2021-03-11 22:27:50,524 INFO L335 CegarLoopForPetriNet]: 13 programPoint places, 2 predicate places. [2021-03-11 22:27:50,524 INFO L480 AbstractCegarLoop]: Abstraction has has 15 places, 7 transitions, 28 flow [2021-03-11 22:27:50,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 35.0) internal successors, (245), 7 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,524 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 22:27:50,524 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 22:27:50,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 22:27:50,524 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-03-11 22:27:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 22:27:50,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1911619614, now seen corresponding path program 1 times [2021-03-11 22:27:50,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 22:27:50,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314114631] [2021-03-11 22:27:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 22:27:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 22:27:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 22:27:50,554 INFO L142 QuantifierPusher]: treesize reduction 5, result has 61.5 percent of original size [2021-03-11 22:27:50,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 22:27:50,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 22:27:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:27:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-11 22:27:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 22:27:50,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314114631] [2021-03-11 22:27:50,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 22:27:50,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 22:27:50,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175681551] [2021-03-11 22:27:50,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 22:27:50,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 22:27:50,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 22:27:50,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 22:27:50,575 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 104 [2021-03-11 22:27:50,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 7 transitions, 28 flow. Second operand has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 22:27:50,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 104 [2021-03-11 22:27:50,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 22:27:50,620 INFO L129 PetriNetUnfolder]: 2/10 cut-off events. [2021-03-11 22:27:50,620 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 22:27:50,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 10 events. 2/10 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/11 useless extension candidates. Maximal degree in co-relation 2. Up to 3 conditions per place. [2021-03-11 22:27:50,620 INFO L132 encePairwiseOnDemand]: 99/104 looper letters, 0 selfloop transitions, 0 changer transitions 8/8 dead transitions. [2021-03-11 22:27:50,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 8 transitions, 44 flow [2021-03-11 22:27:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 22:27:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 22:27:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 231 transitions. [2021-03-11 22:27:50,621 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.3701923076923077 [2021-03-11 22:27:50,621 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 231 transitions. [2021-03-11 22:27:50,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 231 transitions. [2021-03-11 22:27:50,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 22:27:50,622 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 231 transitions. [2021-03-11 22:27:50,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,623 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 104.0) internal successors, (728), 7 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,623 INFO L185 Difference]: Start difference. First operand has 15 places, 7 transitions, 28 flow. Second operand 6 states and 231 transitions. [2021-03-11 22:27:50,624 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 8 transitions, 44 flow [2021-03-11 22:27:50,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 8 transitions, 35 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-11 22:27:50,624 INFO L241 Difference]: Finished difference. Result has 14 places, 0 transitions, 0 flow [2021-03-11 22:27:50,624 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=104, PETRI_DIFFERENCE_MINUEND_FLOW=15, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=14, PETRI_TRANSITIONS=0} [2021-03-11 22:27:50,624 INFO L335 CegarLoopForPetriNet]: 13 programPoint places, 1 predicate places. [2021-03-11 22:27:50,624 INFO L480 AbstractCegarLoop]: Abstraction has has 14 places, 0 transitions, 0 flow [2021-03-11 22:27:50,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 38.166666666666664) internal successors, (229), 6 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 22:27:50,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 22:27:50,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 10:27:50 BasicIcfg [2021-03-11 22:27:50,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 22:27:50,628 INFO L168 Benchmark]: Toolchain (without parser) took 3316.80 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.1 MB in the beginning and 213.8 MB in the end (delta: 20.2 MB). Peak memory consumption was 120.3 MB. Max. memory is 16.0 GB. [2021-03-11 22:27:50,628 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 174.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:27:50,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.35 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 233.5 MB in the beginning and 339.5 MB in the end (delta: -106.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.0 GB. [2021-03-11 22:27:50,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.91 ms. Allocated memory is still 356.5 MB. Free memory was 339.5 MB in the beginning and 337.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 22:27:50,629 INFO L168 Benchmark]: Boogie Preprocessor took 30.83 ms. Allocated memory is still 356.5 MB. Free memory was 337.4 MB in the beginning and 336.7 MB in the end (delta: 722.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:27:50,629 INFO L168 Benchmark]: RCFGBuilder took 340.46 ms. Allocated memory is still 356.5 MB. Free memory was 336.7 MB in the beginning and 317.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-11 22:27:50,630 INFO L168 Benchmark]: TraceAbstraction took 2733.43 ms. Allocated memory is still 356.5 MB. Free memory was 317.2 MB in the beginning and 213.8 MB in the end (delta: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 16.0 GB. [2021-03-11 22:27:50,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 237.8 MB in the beginning and 237.7 MB in the end (delta: 174.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 182.35 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 233.5 MB in the beginning and 339.5 MB in the end (delta: -106.0 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.91 ms. Allocated memory is still 356.5 MB. Free memory was 339.5 MB in the beginning and 337.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.83 ms. Allocated memory is still 356.5 MB. Free memory was 337.4 MB in the beginning and 336.7 MB in the end (delta: 722.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 340.46 ms. Allocated memory is still 356.5 MB. Free memory was 336.7 MB in the beginning and 317.8 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2733.43 ms. Allocated memory is still 356.5 MB. Free memory was 317.2 MB in the beginning and 213.8 MB in the end (delta: 103.4 MB). Peak memory consumption was 103.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2024.3ms, 50 PlacesBefore, 13 PlacesAfterwards, 47 TransitionsBefore, 10 TransitionsAfterwards, 68 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 46 TotalNumberOfCompositions, 105 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 82, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 58, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 58, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 78, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 82, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 58, unknown conditional: 0, unknown unconditional: 58] , Statistics on independence cache: Total cache size (in pairs): 4, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 10.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 2660.7ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 198.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2087.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 8 SDtfs, 16 SDslu, 2 SDs, 0 SdLazy, 63 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 130.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=2, InterpolantAutomatonStates: 17, 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: 11.9ms SsaConstructionTime, 79.6ms SatisfiabilityAnalysisTime, 159.1ms InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...