/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-POR-DelaySleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-b7a4f01caba76767183cf06280be652b0b124764-b7a4f01 [2021-06-07 14:08:08,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 14:08:08,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 14:08:08,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 14:08:08,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 14:08:08,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 14:08:08,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 14:08:08,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 14:08:08,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 14:08:08,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 14:08:08,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 14:08:08,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 14:08:08,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 14:08:08,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 14:08:08,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 14:08:08,837 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-POR-DelaySleep-NoLbe-Lockstep.epf [2021-06-07 14:08:08,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 14:08:08,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 14:08:08,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 14:08:08,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 14:08:08,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 14:08:08,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 14:08:08,880 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 14:08:08,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 14:08:08,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 14:08:08,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 14:08:08,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 14:08:08,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 14:08:08,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 14:08:08,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 14:08:08,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 14:08:08,882 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 14:08:08,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 14:08:08,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 14:08:08,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 14:08:08,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 14:08:08,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 14:08:08,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 14:08:08,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 14:08:08,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 14:08:08,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 14:08:08,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 14:08:08,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 14:08:08,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 14:08:08,884 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-07 14:08:08,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 14:08:08,884 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 14:08:08,885 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 14:08:08,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 14:08:08,885 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 14:08:08,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 14:08:09,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 14:08:09,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 14:08:09,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 14:08:09,222 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-07 14:08:09,223 INFO L275 PluginConnector]: CDTParser initialized [2021-06-07 14:08:09,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-07 14:08:09,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49647b36/871c97016ee1438f84452aa7cd2cfb20/FLAG6478460df [2021-06-07 14:08:10,028 INFO L306 CDTParser]: Found 1 translation units. [2021-06-07 14:08:10,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2021-06-07 14:08:10,029 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-07 14:08:10,029 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-07 14:08:10,029 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-07 14:08:10,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49647b36/871c97016ee1438f84452aa7cd2cfb20/FLAG6478460df [2021-06-07 14:08:10,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f49647b36/871c97016ee1438f84452aa7cd2cfb20 [2021-06-07 14:08:10,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 14:08:10,094 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-07 14:08:10,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-07 14:08:10,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-07 14:08:10,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-07 14:08:10,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c78af2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10, skipping insertion in model container [2021-06-07 14:08:10,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-07 14:08:10,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-07 14:08:10,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 14:08:10,276 INFO L203 MainTranslator]: Completed pre-run [2021-06-07 14:08:10,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-07 14:08:10,325 INFO L208 MainTranslator]: Completed translation [2021-06-07 14:08:10,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10 WrapperNode [2021-06-07 14:08:10,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-07 14:08:10,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 14:08:10,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 14:08:10,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 14:08:10,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 14:08:10,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 14:08:10,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 14:08:10,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 14:08:10,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (1/1) ... [2021-06-07 14:08:10,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 14:08:10,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 14:08:10,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 14:08:10,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 14:08:10,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (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 [2021-06-07 14:08:10,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-07 14:08:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2021-06-07 14:08:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2021-06-07 14:08:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 14:08:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 14:08:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-07 14:08:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-07 14:08:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-07 14:08:10,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-07 14:08:10,459 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 14:08:10,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 14:08:10,710 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-07 14:08:10,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:08:10 BoogieIcfgContainer [2021-06-07 14:08:10,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 14:08:10,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 14:08:10,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 14:08:10,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 14:08:10,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.06 02:08:10" (1/3) ... [2021-06-07 14:08:10,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7872edcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:08:10, skipping insertion in model container [2021-06-07 14:08:10,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.06 02:08:10" (2/3) ... [2021-06-07 14:08:10,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7872edcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:08:10, skipping insertion in model container [2021-06-07 14:08:10,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:08:10" (3/3) ... [2021-06-07 14:08:10,717 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2021-06-07 14:08:10,722 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 14:08:10,722 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 14:08:10,722 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-07 14:08:10,722 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 14:08:10,737 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,738 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,738 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,738 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,738 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,738 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,738 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,738 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,739 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,739 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,739 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,739 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,741 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,741 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,741 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,741 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 14:08:10,749 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-07 14:08:10,766 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-07 14:08:10,806 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 14:08:10,806 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 14:08:10,806 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 14:08:10,806 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 14:08:10,806 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 14:08:10,807 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 14:08:10,807 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 14:08:10,807 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 14:08:10,863 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 14:08:10,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 02:08:10 BasicIcfg [2021-06-07 14:08:10,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 14:08:10,867 INFO L168 Benchmark]: Toolchain (without parser) took 772.26 ms. Allocated memory is still 362.8 MB. Free memory was 326.1 MB in the beginning and 316.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.0 GB. [2021-06-07 14:08:10,868 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 362.8 MB. Free memory was 342.9 MB in the beginning and 342.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 14:08:10,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.68 ms. Allocated memory is still 362.8 MB. Free memory was 325.9 MB in the beginning and 347.3 MB in the end (delta: -21.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. [2021-06-07 14:08:10,871 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.59 ms. Allocated memory is still 362.8 MB. Free memory was 347.3 MB in the beginning and 346.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 14:08:10,872 INFO L168 Benchmark]: Boogie Preprocessor took 25.84 ms. Allocated memory is still 362.8 MB. Free memory was 346.3 MB in the beginning and 344.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 14:08:10,872 INFO L168 Benchmark]: RCFGBuilder took 331.84 ms. Allocated memory is still 362.8 MB. Free memory was 344.9 MB in the beginning and 329.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-07 14:08:10,873 INFO L168 Benchmark]: TraceAbstraction took 152.81 ms. Allocated memory is still 362.8 MB. Free memory was 328.4 MB in the beginning and 316.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-06-07 14:08:10,880 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 362.8 MB. Free memory was 342.9 MB in the beginning and 342.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 231.68 ms. Allocated memory is still 362.8 MB. Free memory was 325.9 MB in the beginning and 347.3 MB in the end (delta: -21.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.59 ms. Allocated memory is still 362.8 MB. Free memory was 347.3 MB in the beginning and 346.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.84 ms. Allocated memory is still 362.8 MB. Free memory was 346.3 MB in the beginning and 344.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 331.84 ms. Allocated memory is still 362.8 MB. Free memory was 344.9 MB in the beginning and 329.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 152.81 ms. Allocated memory is still 362.8 MB. Free memory was 328.4 MB in the beginning and 316.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 9, Positive cache size: 9, Positive conditional cache size: 0, Positive unconditional cache size: 9, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.7ms, PartialOrderReductionTime: 36.9ms, 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...