/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/forkForkSimple.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 22:09:02,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 22:09:02,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 22:09:02,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 22:09:02,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 22:09:02,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 22:09:02,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 22:09:02,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 22:09:02,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 22:09:02,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 22:09:02,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 22:09:02,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 22:09:02,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 22:09:02,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 22:09:02,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 22:09:02,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 22:09:02,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 22:09:02,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 22:09:02,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 22:09:02,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 22:09:02,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 22:09:02,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 22:09:02,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 22:09:02,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 22:09:02,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 22:09:02,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 22:09:02,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 22:09:02,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 22:09:02,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 22:09:02,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 22:09:02,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 22:09:02,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 22:09:02,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 22:09:02,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 22:09:02,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 22:09:02,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 22:09:02,453 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 [2021-03-24 22:09:02,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 22:09:02,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 22:09:02,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 22:09:02,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 22:09:02,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 22:09:02,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 22:09:02,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 22:09:02,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 22:09:02,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 22:09:02,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 22:09:02,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 22:09:02,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 22:09:02,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 22:09:02,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 22:09:02,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 22:09:02,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 22:09:02,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 22:09:02,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 22:09:02,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 22:09:02,706 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 22:09:02,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/forkForkSimple.c [2021-03-24 22:09:02,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd83c503/b4b351771b834173a427fb6ae3201373/FLAG648a57de5 [2021-03-24 22:09:03,064 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 22:09:03,065 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/forkForkSimple.c [2021-03-24 22:09:03,065 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-24 22:09:03,065 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-24 22:09:03,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd83c503/b4b351771b834173a427fb6ae3201373/FLAG648a57de5 [2021-03-24 22:09:03,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fd83c503/b4b351771b834173a427fb6ae3201373 [2021-03-24 22:09:03,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 22:09:03,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 22:09:03,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 22:09:03,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 22:09:03,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 22:09:03,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78613c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03, skipping insertion in model container [2021-03-24 22:09:03,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 22:09:03,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 22:09:03,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 22:09:03,225 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 22:09:03,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 22:09:03,242 INFO L208 MainTranslator]: Completed translation [2021-03-24 22:09:03,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03 WrapperNode [2021-03-24 22:09:03,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 22:09:03,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 22:09:03,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 22:09:03,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 22:09:03,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 22:09:03,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 22:09:03,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 22:09:03,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 22:09:03,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... [2021-03-24 22:09:03,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 22:09:03,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 22:09:03,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 22:09:03,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 22:09:03,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 22:09:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 22:09:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-03-24 22:09:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-03-24 22:09:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-24 22:09:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-24 22:09:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 22:09:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 22:09:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-24 22:09:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 22:09:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 22:09:03,367 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 22:09:03,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 22:09:03,547 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-24 22:09:03,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:09:03 BoogieIcfgContainer [2021-03-24 22:09:03,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 22:09:03,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 22:09:03,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 22:09:03,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 22:09:03,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 10:09:03" (1/3) ... [2021-03-24 22:09:03,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed04901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:09:03, skipping insertion in model container [2021-03-24 22:09:03,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 10:09:03" (2/3) ... [2021-03-24 22:09:03,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed04901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 10:09:03, skipping insertion in model container [2021-03-24 22:09:03,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 10:09:03" (3/3) ... [2021-03-24 22:09:03,553 INFO L111 eAbstractionObserver]: Analyzing ICFG forkForkSimple.c [2021-03-24 22:09:03,556 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 22:09:03,558 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-24 22:09:03,559 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 22:09:03,575 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,575 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,575 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,575 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,576 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,576 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,576 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,576 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,576 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,576 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,576 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,577 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,577 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,577 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,577 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,577 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,577 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,578 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#in~a.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,578 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,578 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,578 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,578 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,578 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,578 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,579 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,580 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,581 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,582 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,583 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,583 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,583 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,584 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,586 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,586 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~mem1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,587 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork1_~a.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#t~nondet0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,587 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork1_~#second_thread~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,589 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,589 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,589 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,589 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 22:09:03,597 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-24 22:09:03,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-03-24 22:09:03,628 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 22:09:03,628 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 22:09:03,628 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 22:09:03,628 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 22:09:03,628 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 22:09:03,628 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 22:09:03,628 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 22:09:03,629 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 22:09:03,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 41 transitions, 101 flow [2021-03-24 22:09:03,668 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-03-24 22:09:03,668 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 22:09:03,671 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 33 events. 1/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2021-03-24 22:09:03,671 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 41 transitions, 101 flow [2021-03-24 22:09:03,675 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 33 transitions, 78 flow [2021-03-24 22:09:03,675 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-24 22:09:03,686 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 33 transitions, 78 flow [2021-03-24 22:09:03,688 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 33 transitions, 78 flow [2021-03-24 22:09:03,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 78 flow [2021-03-24 22:09:03,694 INFO L129 PetriNetUnfolder]: 1/33 cut-off events. [2021-03-24 22:09:03,694 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 22:09:03,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 33 events. 1/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2021-03-24 22:09:03,695 INFO L142 LiptonReduction]: Number of co-enabled transitions 268 [2021-03-24 22:09:04,232 INFO L154 LiptonReduction]: Checked pairs total: 142 [2021-03-24 22:09:04,233 INFO L156 LiptonReduction]: Total number of compositions: 21 [2021-03-24 22:09:04,235 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 560 [2021-03-24 22:09:04,242 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-03-24 22:09:04,242 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 22:09:04,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 22:09:04,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-03-24 22:09:04,244 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, fooErr0INUSE_VIOLATION, fooThread1of1ForFork1Err2INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-24 22:09:04,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 22:09:04,249 INFO L82 PathProgramCache]: Analyzing trace with hash 141092, now seen corresponding path program 1 times [2021-03-24 22:09:04,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 22:09:04,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117426152] [2021-03-24 22:09:04,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 22:09:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 22:09:04,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 22:09:04,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-24 22:09:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 22:09:04,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117426152] [2021-03-24 22:09:04,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 22:09:04,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-24 22:09:04,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943564179] [2021-03-24 22:09:04,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 22:09:04,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 22:09:04,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 22:09:04,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 22:09:04,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 65 [2021-03-24 22:09:04,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 13 transitions, 38 flow. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:09:04,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 22:09:04,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 65 [2021-03-24 22:09:04,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 22:09:04,384 INFO L129 PetriNetUnfolder]: 1/12 cut-off events. [2021-03-24 22:09:04,384 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-24 22:09:04,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24 conditions, 12 events. 1/12 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 0/11 useless extension candidates. Maximal degree in co-relation 15. Up to 3 conditions per place. [2021-03-24 22:09:04,385 INFO L132 encePairwiseOnDemand]: 63/65 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2021-03-24 22:09:04,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 12 transitions, 40 flow [2021-03-24 22:09:04,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 22:09:04,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 22:09:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2021-03-24 22:09:04,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8307692307692308 [2021-03-24 22:09:04,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 162 transitions. [2021-03-24 22:09:04,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 162 transitions. [2021-03-24 22:09:04,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 22:09:04,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 162 transitions. [2021-03-24 22:09:04,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:09:04,421 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:09:04,421 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 65.0) internal successors, (260), 4 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:09:04,422 INFO L185 Difference]: Start difference. First operand has 19 places, 13 transitions, 38 flow. Second operand 3 states and 162 transitions. [2021-03-24 22:09:04,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 12 transitions, 40 flow [2021-03-24 22:09:04,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 12 transitions, 33 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 22:09:04,425 INFO L241 Difference]: Finished difference. Result has 17 places, 0 transitions, 0 flow [2021-03-24 22:09:04,426 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=65, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=17, PETRI_TRANSITIONS=0} [2021-03-24 22:09:04,427 INFO L343 CegarLoopForPetriNet]: 19 programPoint places, -2 predicate places. [2021-03-24 22:09:04,427 INFO L480 AbstractCegarLoop]: Abstraction has has 17 places, 0 transitions, 0 flow [2021-03-24 22:09:04,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 22:09:04,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 22:09:04,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 10:09:04 BasicIcfg [2021-03-24 22:09:04,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 22:09:04,431 INFO L168 Benchmark]: Toolchain (without parser) took 1330.77 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 235.0 MB in the beginning and 369.7 MB in the end (delta: -134.7 MB). Peak memory consumption was 80.5 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:04,431 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 22:09:04,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.30 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 226.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:04,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.02 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 226.1 MB in the beginning and 373.3 MB in the end (delta: -147.2 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:04,433 INFO L168 Benchmark]: Boogie Preprocessor took 15.78 ms. Allocated memory is still 390.1 MB. Free memory was 373.3 MB in the beginning and 372.4 MB in the end (delta: 937.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:04,434 INFO L168 Benchmark]: RCFGBuilder took 237.29 ms. Allocated memory is still 390.1 MB. Free memory was 372.4 MB in the beginning and 359.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:04,434 INFO L168 Benchmark]: TraceAbstraction took 880.02 ms. Allocated memory is still 390.1 MB. Free memory was 358.7 MB in the beginning and 369.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.0 GB. [2021-03-24 22:09:04,439 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 is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 143.30 ms. Allocated memory is still 255.9 MB. Free memory was 235.0 MB in the beginning and 226.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.02 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 226.1 MB in the beginning and 373.3 MB in the end (delta: -147.2 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.78 ms. Allocated memory is still 390.1 MB. Free memory was 373.3 MB in the beginning and 372.4 MB in the end (delta: 937.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 237.29 ms. Allocated memory is still 390.1 MB. Free memory was 372.4 MB in the beginning and 359.3 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 880.02 ms. Allocated memory is still 390.1 MB. Free memory was 358.7 MB in the beginning and 369.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 544.3ms, 39 PlacesBefore, 19 PlacesAfterwards, 33 TransitionsBefore, 13 TransitionsAfterwards, 268 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 21 TotalNumberOfCompositions, 142 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 137, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 123, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 123, positive: 120, positive conditional: 0, positive unconditional: 120, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 137, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 123, unknown conditional: 0, unknown unconditional: 123] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 31]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 807.3ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 58.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 611.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 3.6ms SsaConstructionTime, 12.4ms SatisfiabilityAnalysisTime, 35.2ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...