/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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-29289db [2021-06-05 12:55:26,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 12:55:26,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 12:55:26,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 12:55:26,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 12:55:26,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 12:55:26,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 12:55:26,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 12:55:26,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 12:55:26,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 12:55:26,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 12:55:26,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 12:55:26,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 12:55:26,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 12:55:26,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 12:55:26,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 12:55:26,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 12:55:26,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 12:55:26,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 12:55:26,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 12:55:26,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 12:55:26,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 12:55:26,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 12:55:26,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 12:55:26,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 12:55:26,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-05 12:55:26,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-05 12:55:26,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-05 12:55:26,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-05 12:55:26,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-05 12:55:26,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-05 12:55:26,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-05 12:55:26,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-05 12:55:26,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 12:55:26,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 12:55:26,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 12:55:26,598 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-FA-NoLbe-Separate.epf [2021-06-05 12:55:26,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 12:55:26,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 12:55:26,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 12:55:26,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 12:55:26,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 12:55:26,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 12:55:26,639 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 12:55:26,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 12:55:26,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 12:55:26,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 12:55:26,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 12:55:26,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 12:55:26,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 12:55:26,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 12:55:26,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 12:55:26,641 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 12:55:26,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 12:55:26,642 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 12:55:26,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 12:55:26,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 12:55:26,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 12:55:26,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 12:55:26,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 12:55:26,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 12:55:26,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 12:55:26,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 12:55:26,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 12:55:26,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 12:55:26,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 12:55:26,643 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 12:55:26,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 12:55:26,643 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-06-05 12:55:26,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 12:55:26,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 12:55:26,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 12:55:26,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 12:55:26,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 12:55:26,990 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 12:55:26,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-05 12:55:27,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ea071f1/a4f6f426622b46f6889903cad2d5806d/FLAG93237518e [2021-06-05 12:55:27,436 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 12:55:27,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-05 12:55:27,437 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 12:55:27,437 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 12:55:27,437 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 12:55:27,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ea071f1/a4f6f426622b46f6889903cad2d5806d/FLAG93237518e [2021-06-05 12:55:27,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ea071f1/a4f6f426622b46f6889903cad2d5806d [2021-06-05 12:55:27,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 12:55:27,845 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 12:55:27,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 12:55:27,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 12:55:27,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 12:55:27,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:55:27" (1/1) ... [2021-06-05 12:55:27,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e3d815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:27, skipping insertion in model container [2021-06-05 12:55:27,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 12:55:27" (1/1) ... [2021-06-05 12:55:27,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 12:55:27,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 12:55:28,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 12:55:28,043 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 12:55:28,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 12:55:28,068 INFO L208 MainTranslator]: Completed translation [2021-06-05 12:55:28,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28 WrapperNode [2021-06-05 12:55:28,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 12:55:28,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 12:55:28,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 12:55:28,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 12:55:28,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 12:55:28,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 12:55:28,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 12:55:28,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 12:55:28,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... [2021-06-05 12:55:28,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 12:55:28,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 12:55:28,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 12:55:28,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 12:55:28,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 12:55:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 12:55:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2021-06-05 12:55:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2021-06-05 12:55:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 12:55:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 12:55:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 12:55:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-05 12:55:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 12:55:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 12:55:28,248 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 12:55:28,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 12:55:28,526 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-05 12:55:28,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:55:28 BoogieIcfgContainer [2021-06-05 12:55:28,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 12:55:28,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 12:55:28,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 12:55:28,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 12:55:28,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 12:55:27" (1/3) ... [2021-06-05 12:55:28,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f95cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:55:28, skipping insertion in model container [2021-06-05 12:55:28,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 12:55:28" (2/3) ... [2021-06-05 12:55:28,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f95cfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 12:55:28, skipping insertion in model container [2021-06-05 12:55:28,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 12:55:28" (3/3) ... [2021-06-05 12:55:28,534 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2021-06-05 12:55:28,555 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 12:55:28,555 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 12:55:28,556 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-05 12:55:28,556 INFO L510 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 12:55:28,587 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,588 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,588 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,588 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,588 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,588 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,588 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,589 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,589 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,589 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,589 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,589 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,591 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,591 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,592 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,592 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 12:55:28,616 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-05 12:55:28,638 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 12:55:28,662 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 12:55:28,662 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 12:55:28,663 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 12:55:28,663 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 12:55:28,663 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 12:55:28,663 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 12:55:28,663 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 12:55:28,664 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-05 12:55:28,672 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 28 transitions, 64 flow [2021-06-05 12:55:28,683 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 12:55:28,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 12:55:28,692 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-05 12:55:28,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 12:55:28 BasicIcfg [2021-06-05 12:55:28,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 12:55:28,696 INFO L168 Benchmark]: Toolchain (without parser) took 850.22 ms. Allocated memory is still 381.7 MB. Free memory was 346.0 MB in the beginning and 341.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:28,698 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 381.7 MB. Free memory is still 362.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 12:55:28,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.46 ms. Allocated memory is still 381.7 MB. Free memory was 345.9 MB in the beginning and 360.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:28,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.79 ms. Allocated memory is still 381.7 MB. Free memory was 360.5 MB in the beginning and 358.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:28,702 INFO L168 Benchmark]: Boogie Preprocessor took 69.44 ms. Allocated memory is still 381.7 MB. Free memory was 358.8 MB in the beginning and 365.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:28,703 INFO L168 Benchmark]: RCFGBuilder took 359.21 ms. Allocated memory is still 381.7 MB. Free memory was 365.7 MB in the beginning and 350.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:28,703 INFO L168 Benchmark]: TraceAbstraction took 165.80 ms. Allocated memory is still 381.7 MB. Free memory was 349.1 MB in the beginning and 341.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-06-05 12:55:28,711 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 381.7 MB. Free memory is still 362.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 223.46 ms. Allocated memory is still 381.7 MB. Free memory was 345.9 MB in the beginning and 360.5 MB in the end (delta: -14.6 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.79 ms. Allocated memory is still 381.7 MB. Free memory was 360.5 MB in the beginning and 358.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 69.44 ms. Allocated memory is still 381.7 MB. Free memory was 358.8 MB in the beginning and 365.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 359.21 ms. Allocated memory is still 381.7 MB. Free memory was 365.7 MB in the beginning and 350.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 165.80 ms. Allocated memory is still 381.7 MB. Free memory was 349.1 MB in the beginning and 341.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 19.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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...