/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 23:34:36,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 23:34:36,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 23:34:36,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 23:34:36,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 23:34:36,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 23:34:36,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 23:34:36,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 23:34:36,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 23:34:36,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 23:34:36,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 23:34:36,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 23:34:36,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 23:34:36,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 23:34:36,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 23:34:36,773 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-16 23:34:36,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 23:34:36,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 23:34:36,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 23:34:36,805 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 23:34:36,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 23:34:36,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 23:34:36,807 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 23:34:36,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 23:34:36,808 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 23:34:36,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 23:34:36,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 23:34:36,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 23:34:36,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 23:34:36,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 23:34:36,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 23:34:36,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 23:34:36,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 23:34:36,810 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 23:34:36,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 23:34:36,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 23:34:36,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 23:34:36,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 23:34:36,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 23:34:36,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:34:36,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 23:34:36,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 23:34:36,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 23:34:36,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 23:34:36,812 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 23:34:36,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 23:34:36,813 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 23:34:36,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 23:34:36,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 23:34:36,813 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 23:34:36,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 23:34:36,814 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 23:34:37,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 23:34:37,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 23:34:37,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 23:34:37,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 23:34:37,142 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 23:34:37,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-06-16 23:34:37,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102c4dcc7/d3a48f8723644425982320d5ad5b9a31/FLAGa63b9bdd1 [2021-06-16 23:34:37,655 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 23:34:37,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-06-16 23:34:37,657 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 23:34:37,657 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 23:34:37,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102c4dcc7/d3a48f8723644425982320d5ad5b9a31/FLAGa63b9bdd1 [2021-06-16 23:34:37,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102c4dcc7/d3a48f8723644425982320d5ad5b9a31 [2021-06-16 23:34:37,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 23:34:37,690 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 23:34:37,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 23:34:37,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 23:34:37,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 23:34:37,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e806049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37, skipping insertion in model container [2021-06-16 23:34:37,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 23:34:37,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 23:34:37,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:34:37,870 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 23:34:37,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:34:37,899 INFO L208 MainTranslator]: Completed translation [2021-06-16 23:34:37,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37 WrapperNode [2021-06-16 23:34:37,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 23:34:37,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 23:34:37,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 23:34:37,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 23:34:37,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,920 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 23:34:37,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 23:34:37,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 23:34:37,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 23:34:37,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,953 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (1/1) ... [2021-06-16 23:34:37,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 23:34:37,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 23:34:37,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 23:34:37,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 23:34:37,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (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 [2021-06-16 23:34:38,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 23:34:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 23:34:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 23:34:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 23:34:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-06-16 23:34:38,022 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-06-16 23:34:38,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 23:34:38,023 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 23:34:38,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 23:34:38,231 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 23:34:38,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:34:38 BoogieIcfgContainer [2021-06-16 23:34:38,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 23:34:38,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 23:34:38,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 23:34:38,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 23:34:38,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 11:34:37" (1/3) ... [2021-06-16 23:34:38,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e654a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:34:38, skipping insertion in model container [2021-06-16 23:34:38,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:34:37" (2/3) ... [2021-06-16 23:34:38,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e654a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:34:38, skipping insertion in model container [2021-06-16 23:34:38,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:34:38" (3/3) ... [2021-06-16 23:34:38,238 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2021-06-16 23:34:38,243 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 23:34:38,244 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 23:34:38,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-16 23:34:38,244 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 23:34:38,262 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,262 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,262 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,263 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,263 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,263 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,263 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,263 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,263 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,264 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,264 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,264 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,266 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,266 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,266 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,267 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,267 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:34:38,271 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 23:34:38,289 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 [2021-06-16 23:34:38,327 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 23:34:38,328 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 23:34:38,328 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 23:34:38,328 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 23:34:38,328 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 23:34:38,328 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 23:34:38,328 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 23:34:38,328 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 23:34:38,411 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 23:34:38,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 11:34:38 BasicIcfg [2021-06-16 23:34:38,414 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 23:34:38,415 INFO L168 Benchmark]: Toolchain (without parser) took 724.64 ms. Allocated memory is still 180.4 MB. Free memory was 144.3 MB in the beginning and 137.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-06-16 23:34:38,417 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 180.4 MB. Free memory is still 160.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 23:34:38,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.33 ms. Allocated memory is still 180.4 MB. Free memory was 144.1 MB in the beginning and 163.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-16 23:34:38,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 180.4 MB. Free memory was 163.9 MB in the beginning and 162.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 23:34:38,420 INFO L168 Benchmark]: Boogie Preprocessor took 18.89 ms. Allocated memory is still 180.4 MB. Free memory was 162.4 MB in the beginning and 161.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 23:34:38,421 INFO L168 Benchmark]: RCFGBuilder took 274.93 ms. Allocated memory is still 180.4 MB. Free memory was 161.3 MB in the beginning and 148.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-16 23:34:38,421 INFO L168 Benchmark]: TraceAbstraction took 180.29 ms. Allocated memory is still 180.4 MB. Free memory was 148.2 MB in the beginning and 137.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-16 23:34:38,429 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 180.4 MB. Free memory is still 160.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 207.33 ms. Allocated memory is still 180.4 MB. Free memory was 144.1 MB in the beginning and 163.9 MB in the end (delta: -19.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.14 ms. Allocated memory is still 180.4 MB. Free memory was 163.9 MB in the beginning and 162.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 18.89 ms. Allocated memory is still 180.4 MB. Free memory was 162.4 MB in the beginning and 161.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 274.93 ms. Allocated memory is still 180.4 MB. Free memory was 161.3 MB in the beginning and 148.2 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 180.29 ms. Allocated memory is still 180.4 MB. Free memory was 148.2 MB in the beginning and 137.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 45, 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: 45, positive: 45, positive conditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, 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, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 106.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.8ms, PartialOrderReductionTime: 46.4ms, 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...