/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/17-pthread_exit.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:44:44,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:44:44,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:44:44,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 21:44:44,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 21:44:44,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 21:44:44,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 21:44:44,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 21:44:44,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 21:44:44,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 21:44:44,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 21:44:44,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 21:44:44,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:44:44,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:44:44,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:44:44,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:44:44,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:44:44,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:44:44,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:44:44,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:44:44,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:44:44,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:44:44,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:44:44,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:44:44,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:44:44,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 21:44:44,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 21:44:44,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 21:44:44,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 21:44:44,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 21:44:44,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 21:44:44,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 21:44:44,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 21:44:44,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 21:44:44,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 21:44:44,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 21:44:44,458 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 [2021-08-12 21:44:44,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:44:44,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:44:44,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:44:44,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:44:44,489 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:44:44,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:44:44,489 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:44:44,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:44:44,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:44:44,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:44:44,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:44:44,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:44:44,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:44:44,491 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:44:44,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:44:44,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:44:44,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:44:44,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:44:44,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:44:44,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:44:44,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:44:44,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:44:44,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:44:44,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:44:44,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:44:44,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:44:44,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:44:44,493 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:44:44,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:44:44,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:44:44,493 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:44:44,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:44:44,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:44:44,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:44:44,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 21:44:44,802 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 21:44:44,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/17-pthread_exit.c [2021-08-12 21:44:44,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/452ec4fc9/dff3b29097d24ab8aa90affd1545c020/FLAGe55aee2db [2021-08-12 21:44:45,157 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 21:44:45,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/17-pthread_exit.c [2021-08-12 21:44:45,158 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-12 21:44:45,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/452ec4fc9/dff3b29097d24ab8aa90affd1545c020/FLAGe55aee2db [2021-08-12 21:44:45,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/452ec4fc9/dff3b29097d24ab8aa90affd1545c020 [2021-08-12 21:44:45,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:44:45,605 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 21:44:45,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 21:44:45,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 21:44:45,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 21:44:45,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4453c467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45, skipping insertion in model container [2021-08-12 21:44:45,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 21:44:45,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 21:44:45,748 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:44:45,755 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 21:44:45,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 21:44:45,770 INFO L208 MainTranslator]: Completed translation [2021-08-12 21:44:45,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45 WrapperNode [2021-08-12 21:44:45,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 21:44:45,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:44:45,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:44:45,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:44:45,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:44:45,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:44:45,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:44:45,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:44:45,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (1/1) ... [2021-08-12 21:44:45,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:44:45,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:44:45,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:44:45,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:44:45,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (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 [2021-08-12 21:44:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 21:44:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 21:44:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 21:44:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-12 21:44:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-12 21:44:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:44:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:44:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 21:44:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 21:44:45,869 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:44:46,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:44:46,079 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-12 21:44:46,080 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: fooEXIT is neither atomic block end nor error location. [2021-08-12 21:44:46,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:44:46 BoogieIcfgContainer [2021-08-12 21:44:46,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:44:46,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:44:46,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:44:46,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:44:46,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 09:44:45" (1/3) ... [2021-08-12 21:44:46,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436a6203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:44:46, skipping insertion in model container [2021-08-12 21:44:46,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 09:44:45" (2/3) ... [2021-08-12 21:44:46,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436a6203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:44:46, skipping insertion in model container [2021-08-12 21:44:46,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:44:46" (3/3) ... [2021-08-12 21:44:46,087 INFO L111 eAbstractionObserver]: Analyzing ICFG 17-pthread_exit.c [2021-08-12 21:44:46,091 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:44:46,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 21:44:46,092 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:44:46,106 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,106 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,106 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,106 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,106 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,107 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,108 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,108 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,108 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,109 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,109 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,109 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 21:44:46,117 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 21:44:46,131 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-12 21:44:46,153 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:44:46,153 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:44:46,153 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:44:46,153 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:44:46,153 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:44:46,153 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:44:46,153 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:44:46,154 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:44:46,162 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 26 transitions, 57 flow [2021-08-12 21:44:46,188 INFO L129 PetriNetUnfolder]: 1/25 cut-off events. [2021-08-12 21:44:46,188 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:46,191 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 25 events. 1/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 9 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 13. Up to 2 conditions per place. [2021-08-12 21:44:46,191 INFO L82 GeneralOperation]: Start removeDead. Operand has 29 places, 26 transitions, 57 flow [2021-08-12 21:44:46,194 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 28 places, 25 transitions, 53 flow [2021-08-12 21:44:46,203 INFO L129 PetriNetUnfolder]: 1/19 cut-off events. [2021-08-12 21:44:46,203 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:46,204 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:44:46,204 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:44:46,204 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:44:46,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:44:46,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1509984702, now seen corresponding path program 1 times [2021-08-12 21:44:46,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:44:46,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984900192] [2021-08-12 21:44:46,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:44:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:44:46,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:44:46,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:44:46,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:44:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:44:46,379 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:44:46,379 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984900192] [2021-08-12 21:44:46,379 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984900192] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:44:46,379 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:44:46,379 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:44:46,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555460100] [2021-08-12 21:44:46,385 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:44:46,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:44:46,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:44:46,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:44:46,398 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 26 [2021-08-12 21:44:46,400 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 53 flow. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2021-08-12 21:44:46,401 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:44:46,401 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 26 [2021-08-12 21:44:46,402 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:44:46,449 INFO L129 PetriNetUnfolder]: 2/39 cut-off events. [2021-08-12 21:44:46,449 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 21:44:46,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 39 events. 2/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 38. Up to 7 conditions per place. [2021-08-12 21:44:46,450 INFO L132 encePairwiseOnDemand]: 21/26 looper letters, 3 selfloop transitions, 4 changer transitions 7/28 dead transitions. [2021-08-12 21:44:46,450 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 28 transitions, 79 flow [2021-08-12 21:44:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:44:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:44:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2021-08-12 21:44:46,460 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8461538461538461 [2021-08-12 21:44:46,461 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 88 transitions. [2021-08-12 21:44:46,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 88 transitions. [2021-08-12 21:44:46,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:44:46,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 88 transitions. [2021-08-12 21:44:46,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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) [2021-08-12 21:44:46,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2021-08-12 21:44:46,471 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 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) [2021-08-12 21:44:46,471 INFO L348 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2021-08-12 21:44:46,471 INFO L482 AbstractCegarLoop]: Abstraction has has 31 places, 28 transitions, 79 flow [2021-08-12 21:44:46,472 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2021-08-12 21:44:46,472 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:44:46,472 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:44:46,472 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:44:46,473 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:44:46,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:44:46,474 INFO L82 PathProgramCache]: Analyzing trace with hash -603553249, now seen corresponding path program 1 times [2021-08-12 21:44:46,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:44:46,475 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894765599] [2021-08-12 21:44:46,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:44:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:44:46,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:44:46,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:44:46,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:44:46,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:44:46,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:44:46,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:44:46,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894765599] [2021-08-12 21:44:46,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894765599] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:44:46,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:44:46,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 21:44:46,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773730649] [2021-08-12 21:44:46,539 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:44:46,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:44:46,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:44:46,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:44:46,541 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 26 [2021-08-12 21:44:46,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 28 transitions, 79 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2021-08-12 21:44:46,542 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:44:46,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 26 [2021-08-12 21:44:46,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:44:46,575 INFO L129 PetriNetUnfolder]: 1/34 cut-off events. [2021-08-12 21:44:46,575 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-08-12 21:44:46,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 34 events. 1/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 41 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 40. Up to 6 conditions per place. [2021-08-12 21:44:46,576 INFO L132 encePairwiseOnDemand]: 20/26 looper letters, 1 selfloop transitions, 4 changer transitions 9/28 dead transitions. [2021-08-12 21:44:46,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 28 transitions, 99 flow [2021-08-12 21:44:46,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 21:44:46,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 21:44:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2021-08-12 21:44:46,579 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8076923076923077 [2021-08-12 21:44:46,579 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 105 transitions. [2021-08-12 21:44:46,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 105 transitions. [2021-08-12 21:44:46,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:44:46,580 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 105 transitions. [2021-08-12 21:44:46,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 21.0) internal successors, (105), 5 states have internal predecessors, (105), 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) [2021-08-12 21:44:46,582 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 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) [2021-08-12 21:44:46,582 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 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) [2021-08-12 21:44:46,583 INFO L348 CegarLoopForPetriNet]: 28 programPoint places, 7 predicate places. [2021-08-12 21:44:46,583 INFO L482 AbstractCegarLoop]: Abstraction has has 35 places, 28 transitions, 99 flow [2021-08-12 21:44:46,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2021-08-12 21:44:46,583 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:44:46,583 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:44:46,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:44:46,584 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:44:46,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:44:46,584 INFO L82 PathProgramCache]: Analyzing trace with hash 55122041, now seen corresponding path program 2 times [2021-08-12 21:44:46,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:44:46,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887908859] [2021-08-12 21:44:46,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:44:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:44:46,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:44:46,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:44:46,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:44:46,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:44:46,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:44:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:44:46,645 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:44:46,645 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887908859] [2021-08-12 21:44:46,645 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887908859] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:44:46,645 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:44:46,645 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-12 21:44:46,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695311525] [2021-08-12 21:44:46,646 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-08-12 21:44:46,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:44:46,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-12 21:44:46,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-12 21:44:46,648 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 26 [2021-08-12 21:44:46,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 99 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2021-08-12 21:44:46,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:44:46,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 26 [2021-08-12 21:44:46,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:44:46,672 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-08-12 21:44:46,672 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-08-12 21:44:46,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 33 events. 1/33 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 45. Up to 6 conditions per place. [2021-08-12 21:44:46,672 INFO L132 encePairwiseOnDemand]: 22/26 looper letters, 0 selfloop transitions, 0 changer transitions 27/27 dead transitions. [2021-08-12 21:44:46,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 27 transitions, 111 flow [2021-08-12 21:44:46,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-12 21:44:46,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-08-12 21:44:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 103 transitions. [2021-08-12 21:44:46,676 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7923076923076923 [2021-08-12 21:44:46,676 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 103 transitions. [2021-08-12 21:44:46,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 103 transitions. [2021-08-12 21:44:46,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:44:46,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 103 transitions. [2021-08-12 21:44:46,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2021-08-12 21:44:46,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 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) [2021-08-12 21:44:46,678 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 26.0) internal successors, (156), 6 states have internal predecessors, (156), 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) [2021-08-12 21:44:46,678 INFO L348 CegarLoopForPetriNet]: 28 programPoint places, 10 predicate places. [2021-08-12 21:44:46,678 INFO L482 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 111 flow [2021-08-12 21:44:46,678 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2021-08-12 21:44:46,678 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 21:44:46,735 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 6847 in 54813604ns [2021-08-12 21:44:46,737 INFO L113 kiGriesValidityCheck]: 17#(and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) (not v_np0_1)) [2021-08-12 21:44:46,759 INFO L113 kiGriesValidityCheck]: 23#(and (not v_np25_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np22_1) [2021-08-12 21:44:46,761 INFO L113 kiGriesValidityCheck]: 12#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~y~0 0) (not v_np8_1) (<= ~x~0 1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (= ~y~0 0) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (not v_np0_1) v_np21_1)) [2021-08-12 21:44:46,763 INFO L113 kiGriesValidityCheck]: 4#(and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np3_1 (not v_np0_1)) [2021-08-12 21:44:46,764 INFO L113 kiGriesValidityCheck]: 27#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np0_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np3_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) v_np14_1 (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1)) (and (not v_np25_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1) v_np22_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) v_np16_1 (not v_np18_1) (not v_np19_1) (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np5_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np21_1) v_np17_1 (not v_np18_1) (not v_np19_1) (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np6_1 (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) v_np10_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) v_np19_1 (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np0_1)) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np26_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np27_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np24_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np0_1))) [2021-08-12 21:44:46,768 INFO L113 kiGriesValidityCheck]: 25#(or (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~y~0 0) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (not v_np0_1) v_np8_1 v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (not v_np0_1) v_np23_1 v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np1_1 (not v_np26_1) (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~y~0 0) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np4_1 (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~y~0 0) (not v_np8_1) (<= ~x~0 1) v_np11_1 (not v_np1_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np3_1) (not v_np9_1) (= ~y~0 0) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) v_np7_1 (not v_np0_1) v_np24_1) (and (not v_np22_1) (not v_np23_1) v_np25_1 (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~y~0 0) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (<= ~x~0 ~y~0) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) v_np2_1 (not v_np26_1) (not v_np0_1) v_np24_1) (and (not v_np25_1) (not v_np22_1) (not v_np23_1) (not v_np20_1) v_np27_1 (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (= ~y~0 0) (not v_np8_1) (<= ~x~0 1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (<= 1 ~x~0) (not v_np2_1) (not v_np17_1) (not v_np21_1) (not v_np18_1) (not v_np19_1) (not v_np26_1) (not v_np0_1) v_np24_1)) [2021-08-12 21:44:46,796 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 62900898ns [2021-08-12 21:44:46,797 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 21:44:46,798 INFO L168 Benchmark]: Toolchain (without parser) took 1193.14 ms. Allocated memory is still 229.6 MB. Free memory was 192.6 MB in the beginning and 131.3 MB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:46,799 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 229.6 MB. Free memory is still 210.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:44:46,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.11 ms. Allocated memory is still 229.6 MB. Free memory was 192.4 MB in the beginning and 211.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:46,799 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 229.6 MB. Free memory was 211.4 MB in the beginning and 209.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:46,800 INFO L168 Benchmark]: Boogie Preprocessor took 17.94 ms. Allocated memory is still 229.6 MB. Free memory was 209.9 MB in the beginning and 209.4 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:46,800 INFO L168 Benchmark]: RCFGBuilder took 270.97 ms. Allocated memory is still 229.6 MB. Free memory was 209.4 MB in the beginning and 194.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:46,800 INFO L168 Benchmark]: TraceAbstraction took 716.07 ms. Allocated memory is still 229.6 MB. Free memory was 193.6 MB in the beginning and 131.3 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-08-12 21:44:46,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 229.6 MB. Free memory is still 210.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 164.11 ms. Allocated memory is still 229.6 MB. Free memory was 192.4 MB in the beginning and 211.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.40 ms. Allocated memory is still 229.6 MB. Free memory was 211.4 MB in the beginning and 209.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.94 ms. Allocated memory is still 229.6 MB. Free memory was 209.9 MB in the beginning and 209.4 MB in the end (delta: 526.3 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 270.97 ms. Allocated memory is still 229.6 MB. Free memory was 209.4 MB in the beginning and 194.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 716.07 ms. Allocated memory is still 229.6 MB. Free memory was 193.6 MB in the beginning and 131.3 MB in the end (delta: 62.4 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...