/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-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:01:49,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:01:49,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:01:49,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 00:01:49,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:01:49,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:01:49,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:01:49,787 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-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:01:49,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:01:49,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:01:49,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:01:49,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:01:49,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:01:49,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:01:49,810 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:01:49,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:01:49,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:01:49,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:01:49,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:01:49,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:01:49,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:01:49,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:01:49,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:01:49,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:01:49,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:01:49,812 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:01:49,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:01:49,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:01:49,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:01:49,813 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:01:49,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:01:49,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:01:49,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:01:49,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:01:49,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:01:49,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:01:49,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:01:49,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:01:49,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:01:49,814 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:01:49,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:01:50,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:01:50,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:01:50,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:01:50,155 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-13 00:01:50,156 INFO L275 PluginConnector]: CDTParser initialized [2021-03-13 00:01:50,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2021-03-13 00:01:50,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03152980/78a78271639a454abf73d422621181a3/FLAGa78a77aa4 [2021-03-13 00:01:50,552 INFO L306 CDTParser]: Found 1 translation units. [2021-03-13 00:01:50,557 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2021-03-13 00:01:50,557 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:50,557 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:50,557 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:01:50,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03152980/78a78271639a454abf73d422621181a3/FLAGa78a77aa4 [2021-03-13 00:01:50,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03152980/78a78271639a454abf73d422621181a3 [2021-03-13 00:01:50,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:01:50,955 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-13 00:01:50,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:50,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-13 00:01:50,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-13 00:01:50,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:50" (1/1) ... [2021-03-13 00:01:50,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c6839d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:50, skipping insertion in model container [2021-03-13 00:01:50,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:01:50" (1/1) ... [2021-03-13 00:01:50,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-13 00:01:50,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-13 00:01:51,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:51,070 INFO L203 MainTranslator]: Completed pre-run [2021-03-13 00:01:51,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:01:51,097 INFO L208 MainTranslator]: Completed translation [2021-03-13 00:01:51,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51 WrapperNode [2021-03-13 00:01:51,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-13 00:01:51,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:51,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:01:51,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:01:51,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:01:51,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:01:51,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:01:51,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:01:51,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... [2021-03-13 00:01:51,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:01:51,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:01:51,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:01:51,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:01:51,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:01:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-13 00:01:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2021-03-13 00:01:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2021-03-13 00:01:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:01:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:01:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-13 00:01:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-13 00:01:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-13 00:01:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-13 00:01:51,253 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:01:51,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:01:51,461 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-13 00:01:51,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:51 BoogieIcfgContainer [2021-03-13 00:01:51,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:01:51,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:01:51,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:01:51,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:01:51,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 12:01:50" (1/3) ... [2021-03-13 00:01:51,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fb29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:51, skipping insertion in model container [2021-03-13 00:01:51,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:01:51" (2/3) ... [2021-03-13 00:01:51,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5fb29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:01:51, skipping insertion in model container [2021-03-13 00:01:51,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:01:51" (3/3) ... [2021-03-13 00:01:51,468 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2021-03-13 00:01:51,473 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:01:51,473 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:01:51,476 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-13 00:01:51,476 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:01:51,492 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,493 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,493 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,493 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,493 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,493 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,493 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,494 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,494 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,494 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,494 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,494 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,496 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,496 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,496 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,496 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:01:51,503 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-13 00:01:51,517 INFO L253 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) [2021-03-13 00:01:51,593 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:01:51,593 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:01:51,593 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:01:51,593 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:01:51,594 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:01:51,594 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:01:51,594 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:01:51,594 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-13 00:01:51,609 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:01:51,609 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 25 transitions, 58 flow [2021-03-13 00:01:51,615 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 25 transitions, 58 flow [2021-03-13 00:01:51,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 58 flow [2021-03-13 00:01:51,643 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-13 00:01:51,644 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-13 00:01:51,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 24 events. 0/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-13 00:01:51,649 INFO L116 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-13 00:01:52,808 INFO L131 LiptonReduction]: Checked pairs total: 17 [2021-03-13 00:01:52,808 INFO L133 LiptonReduction]: Total number of compositions: 18 [2021-03-13 00:01:52,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:01:52 BasicIcfg [2021-03-13 00:01:52,829 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:01:52,831 INFO L168 Benchmark]: Toolchain (without parser) took 1878.41 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 238.9 MB in the beginning and 346.0 MB in the end (delta: -107.1 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:52,831 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:52,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 145.09 ms. Allocated memory is still 255.9 MB. Free memory was 238.3 MB in the beginning and 229.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:52,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.67 ms. Allocated memory is still 255.9 MB. Free memory was 229.2 MB in the beginning and 228.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:52,832 INFO L168 Benchmark]: Boogie Preprocessor took 22.10 ms. Allocated memory is still 255.9 MB. Free memory was 228.0 MB in the beginning and 227.3 MB in the end (delta: 631.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:52,833 INFO L168 Benchmark]: RCFGBuilder took 310.23 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 227.2 MB in the beginning and 339.8 MB in the end (delta: -112.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-13 00:01:52,833 INFO L168 Benchmark]: TraceAbstraction took 1365.75 ms. Allocated memory is still 367.0 MB. Free memory was 339.2 MB in the beginning and 346.0 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:01:52,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 145.09 ms. Allocated memory is still 255.9 MB. Free memory was 238.3 MB in the beginning and 229.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.67 ms. Allocated memory is still 255.9 MB. Free memory was 229.2 MB in the beginning and 228.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.10 ms. Allocated memory is still 255.9 MB. Free memory was 228.0 MB in the beginning and 227.3 MB in the end (delta: 631.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 310.23 ms. Allocated memory was 255.9 MB in the beginning and 367.0 MB in the end (delta: 111.1 MB). Free memory was 227.2 MB in the beginning and 339.8 MB in the end (delta: -112.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1365.75 ms. Allocated memory is still 367.0 MB. Free memory was 339.2 MB in the beginning and 346.0 MB in the end (delta: -6.8 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1193.3ms, 29 PlacesBefore, 11 PlacesAfterwards, 25 TransitionsBefore, 7 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 4 FixpointIterations, 15 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 18 TotalNumberOfCompositions, 17 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 10, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 17, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 2, Positive conditional cache size: 0, Positive unconditional cache size: 2, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1283.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1223.7ms, PartialOrderReductionTime: 8.1ms, 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...