/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 07:04:44,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 07:04:44,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 07:04:44,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 07:04:44,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 07:04:44,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 07:04:44,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 07:04:44,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 07:04:44,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 07:04:44,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 07:04:44,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 07:04:44,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 07:04:44,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 07:04:44,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 07:04:44,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 07:04:44,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 07:04:44,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 07:04:44,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 07:04:44,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 07:04:44,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 07:04:44,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 07:04:44,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 07:04:44,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 07:04:44,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 07:04:44,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 07:04:44,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 07:04:44,918 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 07:04:44,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 07:04:44,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 07:04:44,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 07:04:44,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 07:04:44,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 07:04:44,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 07:04:44,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 07:04:44,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 07:04:44,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 07:04:44,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 07:04:44,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 07:04:44,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 07:04:44,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 07:04:44,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 07:04:44,925 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 07:04:44,956 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 07:04:44,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 07:04:44,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 07:04:44,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 07:04:44,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 07:04:44,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 07:04:44,959 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 07:04:44,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 07:04:44,959 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 07:04:44,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 07:04:44,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 07:04:44,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 07:04:44,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 07:04:44,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 07:04:44,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 07:04:44,960 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 07:04:44,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 07:04:44,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 07:04:44,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 07:04:44,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 07:04:44,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 07:04:44,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 07:04:44,962 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 07:04:44,962 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 07:04:44,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 07:04:44,962 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 07:04:44,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 07:04:45,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 07:04:45,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 07:04:45,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 07:04:45,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 07:04:45,233 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 07:04:45,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-06-02 07:04:45,274 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a9b2dd6/bccbdeb209e84da88a26204b9c587af0/FLAG93205c417 [2021-06-02 07:04:45,823 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 07:04:45,824 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/13-loop-after.c [2021-06-02 07:04:45,824 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-02 07:04:45,846 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a9b2dd6/bccbdeb209e84da88a26204b9c587af0/FLAG93205c417 [2021-06-02 07:04:46,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a9b2dd6/bccbdeb209e84da88a26204b9c587af0 [2021-06-02 07:04:46,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 07:04:46,053 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 07:04:46,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 07:04:46,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 07:04:46,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 07:04:46,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e44b3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46, skipping insertion in model container [2021-06-02 07:04:46,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 07:04:46,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 07:04:46,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 07:04:46,216 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 07:04:46,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 07:04:46,231 INFO L208 MainTranslator]: Completed translation [2021-06-02 07:04:46,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46 WrapperNode [2021-06-02 07:04:46,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 07:04:46,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 07:04:46,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 07:04:46,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 07:04:46,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 07:04:46,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 07:04:46,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 07:04:46,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 07:04:46,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (1/1) ... [2021-06-02 07:04:46,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 07:04:46,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 07:04:46,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 07:04:46,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 07:04:46,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (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 [2021-06-02 07:04:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 07:04:46,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 07:04:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 07:04:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-02 07:04:46,313 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-02 07:04:46,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 07:04:46,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 07:04:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 07:04:46,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 07:04:46,314 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 07:04:46,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 07:04:46,470 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-02 07:04:46,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:04:46 BoogieIcfgContainer [2021-06-02 07:04:46,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 07:04:46,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 07:04:46,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 07:04:46,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 07:04:46,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 07:04:46" (1/3) ... [2021-06-02 07:04:46,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271dfd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:04:46, skipping insertion in model container [2021-06-02 07:04:46,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 07:04:46" (2/3) ... [2021-06-02 07:04:46,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271dfd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:04:46, skipping insertion in model container [2021-06-02 07:04:46,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:04:46" (3/3) ... [2021-06-02 07:04:46,476 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-loop-after.c [2021-06-02 07:04:46,479 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 07:04:46,479 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 07:04:46,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 07:04:46,480 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 07:04:46,491 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,491 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,491 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,491 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,491 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,491 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,492 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,492 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,492 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,492 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,492 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,492 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,493 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,494 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,494 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,494 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 07:04:46,495 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 07:04:46,509 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 [2021-06-02 07:04:46,581 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:04:46,581 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:04:46,581 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:04:46,581 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:04:46,581 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:04:46,581 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:04:46,582 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:04:46,582 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == fooThread1of1ForFork0======== [2021-06-02 07:04:46,645 INFO L430 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 07:04:46,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 07:04:46,648 INFO L82 PathProgramCache]: Analyzing trace with hash -360277988, now seen corresponding path program 1 times [2021-06-02 07:04:46,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 07:04:46,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202593303] [2021-06-02 07:04:46,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 07:04:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 07:04:46,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 07:04:46,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 07:04:46,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202593303] [2021-06-02 07:04:46,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202593303] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 07:04:46,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 07:04:46,743 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-02 07:04:46,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075892275] [2021-06-02 07:04:46,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 07:04:46,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 07:04:46,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 07:04:46,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 07:04:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 07:04:46,755 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 07:04:46,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 07:04:46,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 07:04:46,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 07:04:46,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 07:04:46,784 INFO L430 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 07:04:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 07:04:46,784 INFO L82 PathProgramCache]: Analyzing trace with hash -360267758, now seen corresponding path program 2 times [2021-06-02 07:04:46,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 07:04:46,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829926560] [2021-06-02 07:04:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 07:04:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 07:04:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 07:04:46,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 07:04:46,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829926560] [2021-06-02 07:04:46,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829926560] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 07:04:46,807 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 07:04:46,807 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-02 07:04:46,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009785373] [2021-06-02 07:04:46,808 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-02 07:04:46,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 07:04:46,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-02 07:04:46,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-02 07:04:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 07:04:46,809 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 07:04:46,809 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 07:04:46,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 07:04:46,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 07:04:46,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 07:04:46,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 07:04:46,849 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 07:04:46,854 INFO L301 ceAbstractionStarter]: Result for error location fooThread1of1ForFork0 was SAFE (1/3) [2021-06-02 07:04:46,855 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-02 07:04:46,871 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:04:46,871 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:04:46,871 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:04:46,871 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:04:46,871 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:04:46,871 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:04:46,871 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:04:46,871 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == foo======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 07:04:46,914 INFO L301 ceAbstractionStarter]: Result for error location foo was SAFE (2/3) [2021-06-02 07:04:46,915 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-02 07:04:46,933 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:04:46,933 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:04:46,933 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:04:46,933 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:04:46,933 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:04:46,933 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:04:46,934 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:04:46,934 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 07:04:46,968 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/3) [2021-06-02 07:04:46,968 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 07:04:46,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 07:04:46 BasicIcfg [2021-06-02 07:04:46,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 07:04:46,971 INFO L168 Benchmark]: Toolchain (without parser) took 918.41 ms. Allocated memory is still 331.4 MB. Free memory was 293.3 MB in the beginning and 243.0 MB in the end (delta: 50.3 MB). Peak memory consumption was 46.4 MB. Max. memory is 16.0 GB. [2021-06-02 07:04:46,971 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 331.4 MB. Free memory was 311.5 MB in the beginning and 311.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:04:46,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.06 ms. Allocated memory is still 331.4 MB. Free memory was 293.1 MB in the beginning and 314.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. [2021-06-02 07:04:46,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.49 ms. Allocated memory is still 331.4 MB. Free memory was 314.3 MB in the beginning and 312.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:04:46,972 INFO L168 Benchmark]: Boogie Preprocessor took 10.25 ms. Allocated memory is still 331.4 MB. Free memory was 312.2 MB in the beginning and 311.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:04:46,973 INFO L168 Benchmark]: RCFGBuilder took 212.36 ms. Allocated memory is still 331.4 MB. Free memory was 310.9 MB in the beginning and 295.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-02 07:04:46,973 INFO L168 Benchmark]: TraceAbstraction took 497.77 ms. Allocated memory is still 331.4 MB. Free memory was 294.4 MB in the beginning and 243.0 MB in the end (delta: 51.4 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.0 GB. [2021-06-02 07:04:46,974 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 331.4 MB. Free memory was 311.5 MB in the beginning and 311.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 178.06 ms. Allocated memory is still 331.4 MB. Free memory was 293.1 MB in the beginning and 314.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 15.49 ms. Allocated memory is still 331.4 MB. Free memory was 314.3 MB in the beginning and 312.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.25 ms. Allocated memory is still 331.4 MB. Free memory was 312.2 MB in the beginning and 311.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 212.36 ms. Allocated memory is still 331.4 MB. Free memory was 310.9 MB in the beginning and 295.4 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 497.77 ms. Allocated memory is still 331.4 MB. Free memory was 294.4 MB in the beginning and 243.0 MB in the end (delta: 51.4 MB). Peak memory consumption was 50.3 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: 123, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 46, negative conditional: 46, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 80, positive: 77, positive conditional: 77, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 521, positive: 505, positive conditional: 0, positive unconditional: 505, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 213, positive: 206, positive conditional: 0, positive unconditional: 206, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 213, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 521, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 207, Positive conditional cache size: 1, Positive unconditional cache size: 206, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 207, Positive conditional cache size: 1, Positive unconditional cache size: 206, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 3, SemanticConditionEliminator.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 207, Positive conditional cache size: 1, Positive unconditional cache size: 206, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Eliminated conditions: 3 ], Maximal queried relation: 2, Independence queries for same thread: 43 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 68, Number of persistent set computation: 151, Number of trivial persistent sets: 131, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 521, positive: 505, positive conditional: 0, positive unconditional: 505, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 213, positive: 206, positive conditional: 0, positive unconditional: 206, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 213, positive: 202, positive conditional: 0, positive unconditional: 202, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 521, positive: 299, positive conditional: 0, positive unconditional: 299, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 214, Positive cache size: 207, Positive conditional cache size: 1, Positive unconditional cache size: 206, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 30, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 446, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 446, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 226, unknown conditional: 0, unknown unconditional: 226] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 219, Positive conditional cache size: 0, Positive unconditional cache size: 219, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 ], Maximal queried relation: 0, Independence queries for same thread: 17 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 34, Number of persistent set computation: 100, Number of trivial persistent sets: 84, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 446, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 446, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 226, unknown conditional: 0, unknown unconditional: 226] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 219, Positive conditional cache size: 0, Positive unconditional cache size: 219, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 47, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 30, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 446, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 446, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 226, unknown conditional: 0, unknown unconditional: 226] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 219, Positive conditional cache size: 0, Positive unconditional cache size: 219, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 ], Maximal queried relation: 0, Independence queries for same thread: 17 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 27, Number of persistent set computation: 100, Number of trivial persistent sets: 84, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 446, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 219, positive conditional: 0, positive unconditional: 219, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 0, positive unconditional: 215, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 446, positive: 217, positive conditional: 0, positive unconditional: 217, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 226, unknown conditional: 0, unknown unconditional: 226] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 219, Positive conditional cache size: 0, Positive unconditional cache size: 219, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - PositiveResult [Line: 20]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: fooThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 334.7ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.2ms, PartialOrderReductionTime: 123.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, 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: TRACE_CHECK: 6.2ms SsaConstructionTime, 16.6ms SatisfiabilityAnalysisTime, 47.0ms InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: foo with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 57.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 39.9ms, 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 32.5ms, 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...