/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 20:29:03,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 20:29:03,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 20:29:04,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-10 20:29:04,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-10 20:29:04,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-10 20:29:04,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-10 20:29:04,098 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.epf [2021-03-10 20:29:04,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 20:29:04,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 20:29:04,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 20:29:04,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 20:29:04,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 20:29:04,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 20:29:04,135 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 20:29:04,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 20:29:04,135 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 20:29:04,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 20:29:04,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 20:29:04,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 20:29:04,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 20:29:04,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 20:29:04,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 20:29:04,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 20:29:04,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 20:29:04,137 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 20:29:04,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 20:29:04,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 20:29:04,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 20:29:04,137 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 20:29:04,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 20:29:04,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 20:29:04,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 20:29:04,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 20:29:04,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 20:29:04,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 20:29:04,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 20:29:04,138 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 20:29:04,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 20:29:04,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 20:29:04,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 20:29:04,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 20:29:04,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 20:29:04,463 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-10 20:29:04,464 INFO L275 PluginConnector]: CDTParser initialized [2021-03-10 20:29:04,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2021-03-10 20:29:04,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2db8f03d/4cbcbe5481b247aebc6879631ac3b080/FLAG2871f109b [2021-03-10 20:29:04,972 INFO L306 CDTParser]: Found 1 translation units. [2021-03-10 20:29:04,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2021-03-10 20:29:04,973 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-10 20:29:04,973 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-10 20:29:04,973 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-10 20:29:04,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2db8f03d/4cbcbe5481b247aebc6879631ac3b080/FLAG2871f109b [2021-03-10 20:29:05,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2db8f03d/4cbcbe5481b247aebc6879631ac3b080 [2021-03-10 20:29:05,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 20:29:05,010 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-10 20:29:05,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-10 20:29:05,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-10 20:29:05,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-10 20:29:05,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695c3f25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05, skipping insertion in model container [2021-03-10 20:29:05,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-10 20:29:05,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-10 20:29:05,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 20:29:05,181 INFO L203 MainTranslator]: Completed pre-run [2021-03-10 20:29:05,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 20:29:05,203 INFO L208 MainTranslator]: Completed translation [2021-03-10 20:29:05,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05 WrapperNode [2021-03-10 20:29:05,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-10 20:29:05,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-10 20:29:05,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-10 20:29:05,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-10 20:29:05,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,228 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-10 20:29:05,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-10 20:29:05,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-10 20:29:05,229 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-10 20:29:05,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (1/1) ... [2021-03-10 20:29:05,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-10 20:29:05,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-10 20:29:05,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-10 20:29:05,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-10 20:29:05,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (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 [2021-03-10 20:29:05,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-10 20:29:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2021-03-10 20:29:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2021-03-10 20:29:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-10 20:29:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-10 20:29:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-10 20:29:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-10 20:29:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-10 20:29:05,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-10 20:29:05,374 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-10 20:29:05,601 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-10 20:29:05,602 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-10 20:29:05,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:29:05 BoogieIcfgContainer [2021-03-10 20:29:05,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-10 20:29:05,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-10 20:29:05,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-10 20:29:05,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-10 20:29:05,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.03 08:29:05" (1/3) ... [2021-03-10 20:29:05,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f98965f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 08:29:05, skipping insertion in model container [2021-03-10 20:29:05,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:29:05" (2/3) ... [2021-03-10 20:29:05,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f98965f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 08:29:05, skipping insertion in model container [2021-03-10 20:29:05,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:29:05" (3/3) ... [2021-03-10 20:29:05,609 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2021-03-10 20:29:05,613 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-10 20:29:05,613 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-10 20:29:05,616 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-03-10 20:29:05,617 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-10 20:29:05,677 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,677 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,677 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,677 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,677 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,678 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,678 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,678 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,678 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,678 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,678 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,678 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,680 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,680 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,680 WARN L313 ript$VariableManager]: TermVariabe |worker_threadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,680 WARN L313 ript$VariableManager]: TermVariabe worker_threadThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:29:05,689 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-10 20:29:05,706 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-03-10 20:29:05,731 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-10 20:29:05,731 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-10 20:29:05,731 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-10 20:29:05,731 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-10 20:29:05,731 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-10 20:29:05,731 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-10 20:29:05,731 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-10 20:29:05,731 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-10 20:29:05,741 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 25 transitions, 58 flow [2021-03-10 20:29:05,755 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 20:29:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 30 states have (on average 1.2) internal successors, (36), 30 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-10 20:29:05,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-10 20:29:05,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.03 08:29:05 BasicIcfg [2021-03-10 20:29:05,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-10 20:29:05,767 INFO L168 Benchmark]: Toolchain (without parser) took 759.94 ms. Allocated memory is still 339.7 MB. Free memory was 304.1 MB in the beginning and 301.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 844.4 kB. Max. memory is 16.0 GB. [2021-03-10 20:29:05,768 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 339.7 MB. Free memory was 320.9 MB in the beginning and 320.9 MB in the end (delta: 70.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:29:05,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.43 ms. Allocated memory is still 339.7 MB. Free memory was 303.5 MB in the beginning and 319.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:05,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.46 ms. Allocated memory is still 339.7 MB. Free memory was 319.7 MB in the beginning and 318.7 MB in the end (delta: 965.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:29:05,772 INFO L168 Benchmark]: Boogie Preprocessor took 13.15 ms. Allocated memory is still 339.7 MB. Free memory was 318.7 MB in the beginning and 317.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:05,773 INFO L168 Benchmark]: RCFGBuilder took 360.06 ms. Allocated memory is still 339.7 MB. Free memory was 317.6 MB in the beginning and 310.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:05,774 INFO L168 Benchmark]: TraceAbstraction took 160.79 ms. Allocated memory is still 339.7 MB. Free memory was 309.2 MB in the beginning and 301.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-03-10 20:29:05,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 339.7 MB. Free memory was 320.9 MB in the beginning and 320.9 MB in the end (delta: 70.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 192.43 ms. Allocated memory is still 339.7 MB. Free memory was 303.5 MB in the beginning and 319.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.46 ms. Allocated memory is still 339.7 MB. Free memory was 319.7 MB in the beginning and 318.7 MB in the end (delta: 965.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.15 ms. Allocated memory is still 339.7 MB. Free memory was 318.7 MB in the beginning and 317.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 360.06 ms. Allocated memory is still 339.7 MB. Free memory was 317.6 MB in the beginning and 310.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 160.79 ms. Allocated memory is still 339.7 MB. Free memory was 309.2 MB in the beginning and 301.9 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: - 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: 33.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 6.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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...