/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-OGIterative-CovSimpl.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-13 07:32:32,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-13 07:32:32,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-13 07:32:32,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-13 07:32:32,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-13 07:32:32,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-13 07:32:32,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-13 07:32:32,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-13 07:32:32,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-13 07:32:32,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-13 07:32:32,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-13 07:32:32,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-13 07:32:32,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-13 07:32:32,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-13 07:32:32,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-13 07:32:32,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-13 07:32:32,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-13 07:32:32,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-13 07:32:32,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-13 07:32:32,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-13 07:32:32,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-13 07:32:32,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-13 07:32:32,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-13 07:32:32,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-13 07:32:32,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-13 07:32:32,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-13 07:32:32,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-13 07:32:32,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-13 07:32:32,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-13 07:32:32,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-13 07:32:32,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-13 07:32:32,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-13 07:32:32,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-13 07:32:32,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-13 07:32:32,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-13 07:32:32,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-13 07:32:32,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-13 07:32:32,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-13 07:32:32,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-13 07:32:32,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-13 07:32:32,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-13 07:32:32,229 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-OGIterative-CovSimpl.epf [2021-08-13 07:32:32,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-13 07:32:32,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-13 07:32:32,279 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-13 07:32:32,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-13 07:32:32,279 INFO L138 SettingsManager]: * Use SBE=true [2021-08-13 07:32:32,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-13 07:32:32,280 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-13 07:32:32,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-13 07:32:32,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-13 07:32:32,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-13 07:32:32,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-13 07:32:32,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-13 07:32:32,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-13 07:32:32,282 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-13 07:32:32,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-13 07:32:32,282 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-13 07:32:32,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-13 07:32:32,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-13 07:32:32,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-13 07:32:32,283 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-13 07:32:32,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-13 07:32:32,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-13 07:32:32,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-13 07:32:32,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-13 07:32:32,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-13 07:32:32,284 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-13 07:32:32,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-13 07:32:32,284 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-13 07:32:32,284 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-13 07:32:32,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-13 07:32:32,285 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-13 07:32:32,285 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-13 07:32:32,285 INFO L138 SettingsManager]: * Simplify away covered predicates in OwickiGries annotation=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-13 07:32:32,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-13 07:32:32,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-13 07:32:32,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-13 07:32:32,636 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-13 07:32:32,638 INFO L275 PluginConnector]: CDTParser initialized [2021-08-13 07:32:32,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c [2021-08-13 07:32:32,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d307e4a/78fd7107ce07483fbd0caf936a84b5e4/FLAG712a03b49 [2021-08-13 07:32:33,098 INFO L306 CDTParser]: Found 1 translation units. [2021-08-13 07:32:33,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/SimpleFunctionPointer.c [2021-08-13 07:32:33,099 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-08-13 07:32:33,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d307e4a/78fd7107ce07483fbd0caf936a84b5e4/FLAG712a03b49 [2021-08-13 07:32:33,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d307e4a/78fd7107ce07483fbd0caf936a84b5e4 [2021-08-13 07:32:33,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-13 07:32:33,132 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-13 07:32:33,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-13 07:32:33,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-13 07:32:33,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-13 07:32:33,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677248d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33, skipping insertion in model container [2021-08-13 07:32:33,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-13 07:32:33,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-13 07:32:33,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:32:33,306 INFO L203 MainTranslator]: Completed pre-run [2021-08-13 07:32:33,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-13 07:32:33,331 INFO L208 MainTranslator]: Completed translation [2021-08-13 07:32:33,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33 WrapperNode [2021-08-13 07:32:33,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-13 07:32:33,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-13 07:32:33,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-13 07:32:33,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-13 07:32:33,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-13 07:32:33,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-13 07:32:33,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-13 07:32:33,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-13 07:32:33,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (1/1) ... [2021-08-13 07:32:33,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-13 07:32:33,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-13 07:32:33,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-13 07:32:33,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-13 07:32:33,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (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 [2021-08-13 07:32:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-13 07:32:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-08-13 07:32:33,499 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-08-13 07:32:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-13 07:32:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-13 07:32:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-13 07:32:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-13 07:32:33,502 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-13 07:32:33,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-13 07:32:33,685 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-13 07:32:33,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:32:33 BoogieIcfgContainer [2021-08-13 07:32:33,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-13 07:32:33,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-13 07:32:33,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-13 07:32:33,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-13 07:32:33,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.08 07:32:33" (1/3) ... [2021-08-13 07:32:33,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42648175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:32:33, skipping insertion in model container [2021-08-13 07:32:33,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.08 07:32:33" (2/3) ... [2021-08-13 07:32:33,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42648175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.08 07:32:33, skipping insertion in model container [2021-08-13 07:32:33,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.08 07:32:33" (3/3) ... [2021-08-13 07:32:33,693 INFO L111 eAbstractionObserver]: Analyzing ICFG SimpleFunctionPointer.c [2021-08-13 07:32:33,700 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-13 07:32:33,700 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-13 07:32:33,701 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-13 07:32:33,717 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,717 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,717 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,717 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,718 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,718 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,718 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,718 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,719 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,719 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,719 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,719 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,722 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,722 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,722 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,722 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-13 07:32:33,726 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-13 07:32:33,746 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-13 07:32:33,765 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-13 07:32:33,765 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-13 07:32:33,765 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-13 07:32:33,765 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-13 07:32:33,765 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-13 07:32:33,765 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-13 07:32:33,766 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-13 07:32:33,766 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-13 07:32:33,774 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 24 places, 20 transitions, 45 flow [2021-08-13 07:32:33,787 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-08-13 07:32:33,788 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:32:33,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 19 events. 0/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-08-13 07:32:33,789 INFO L82 GeneralOperation]: Start removeDead. Operand has 24 places, 20 transitions, 45 flow [2021-08-13 07:32:33,791 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2021-08-13 07:32:33,792 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-08-13 07:32:33,792 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-13 07:32:33,799 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 0 in 4419683ns [2021-08-13 07:32:33,802 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 5774638ns [2021-08-13 07:32:33,805 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-13 07:32:33,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.08 07:32:33 BasicIcfg [2021-08-13 07:32:33,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-13 07:32:33,810 INFO L168 Benchmark]: Toolchain (without parser) took 677.63 ms. Allocated memory is still 174.1 MB. Free memory was 139.0 MB in the beginning and 136.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-13 07:32:33,810 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 174.1 MB. Free memory is still 155.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-13 07:32:33,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.32 ms. Allocated memory is still 174.1 MB. Free memory was 138.8 MB in the beginning and 130.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-08-13 07:32:33,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.47 ms. Allocated memory is still 174.1 MB. Free memory was 130.2 MB in the beginning and 128.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-13 07:32:33,812 INFO L168 Benchmark]: Boogie Preprocessor took 57.03 ms. Allocated memory is still 174.1 MB. Free memory was 128.8 MB in the beginning and 157.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. [2021-08-13 07:32:33,813 INFO L168 Benchmark]: RCFGBuilder took 267.71 ms. Allocated memory is still 174.1 MB. Free memory was 157.3 MB in the beginning and 146.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-08-13 07:32:33,814 INFO L168 Benchmark]: TraceAbstraction took 120.18 ms. Allocated memory is still 174.1 MB. Free memory was 146.0 MB in the beginning and 136.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-08-13 07:32:33,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 174.1 MB. Free memory is still 155.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 199.32 ms. Allocated memory is still 174.1 MB. Free memory was 138.8 MB in the beginning and 130.3 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.47 ms. Allocated memory is still 174.1 MB. Free memory was 130.2 MB in the beginning and 128.9 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.03 ms. Allocated memory is still 174.1 MB. Free memory was 128.8 MB in the beginning and 157.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 267.71 ms. Allocated memory is still 174.1 MB. Free memory was 157.3 MB in the beginning and 146.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 120.18 ms. Allocated memory is still 174.1 MB. Free memory was 146.0 MB in the beginning and 136.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 31.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! Received shutdown request...