/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-13 00:02:12,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-13 00:02:12,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-13 00:02:12,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-13 00:02:12,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-13 00:02:12,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-13 00:02:12,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-13 00:02:12,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-SemanticLbe-Delay.epf [2021-03-13 00:02:12,954 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-13 00:02:12,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-13 00:02:12,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-13 00:02:12,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-13 00:02:12,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-13 00:02:12,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-13 00:02:12,956 INFO L138 SettingsManager]: * Use SBE=true [2021-03-13 00:02:12,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-13 00:02:12,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-13 00:02:12,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-13 00:02:12,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-13 00:02:12,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-13 00:02:12,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-13 00:02:12,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-13 00:02:12,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-13 00:02:12,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-13 00:02:12,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-13 00:02:12,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-13 00:02:12,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-13 00:02:12,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-13 00:02:12,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-13 00:02:12,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-13 00:02:12,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-13 00:02:12,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:02:12,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-13 00:02:12,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-13 00:02:12,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-13 00:02:12,961 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-13 00:02:12,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-13 00:02:12,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-13 00:02:12,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-13 00:02:12,962 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-13 00:02:12,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-13 00:02:13,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-13 00:02:13,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-13 00:02:13,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-13 00:02:13,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-13 00:02:13,239 INFO L275 PluginConnector]: CDTParser initialized [2021-03-13 00:02:13,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c [2021-03-13 00:02:13,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8622d40e/c457cf0048854802b38990539e83b7a5/FLAGb88c3af2c [2021-03-13 00:02:13,711 INFO L306 CDTParser]: Found 1 translation units. [2021-03-13 00:02:13,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitSafe.c [2021-03-13 00:02:13,712 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:02:13,712 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-13 00:02:13,738 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8622d40e/c457cf0048854802b38990539e83b7a5/FLAGb88c3af2c [2021-03-13 00:02:13,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8622d40e/c457cf0048854802b38990539e83b7a5 [2021-03-13 00:02:13,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-13 00:02:13,754 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-13 00:02:13,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-13 00:02:13,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-13 00:02:13,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-13 00:02:13,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a9915cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13, skipping insertion in model container [2021-03-13 00:02:13,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-13 00:02:13,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-13 00:02:13,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:02:13,913 INFO L203 MainTranslator]: Completed pre-run [2021-03-13 00:02:13,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-13 00:02:13,939 INFO L208 MainTranslator]: Completed translation [2021-03-13 00:02:13,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13 WrapperNode [2021-03-13 00:02:13,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-13 00:02:13,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-13 00:02:13,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-13 00:02:13,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-13 00:02:13,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-13 00:02:13,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-13 00:02:13,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-13 00:02:13,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-13 00:02:13,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... [2021-03-13 00:02:13,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-13 00:02:13,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-13 00:02:13,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-13 00:02:13,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-13 00:02:13,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-13 00:02:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-03-13 00:02:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-13 00:02:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-03-13 00:02:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-03-13 00:02:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-13 00:02:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-13 00:02:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-13 00:02:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-13 00:02:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-13 00:02:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-13 00:02:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-13 00:02:14,072 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-13 00:02:14,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-13 00:02:14,339 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-13 00:02:14,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:02:14 BoogieIcfgContainer [2021-03-13 00:02:14,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-13 00:02:14,341 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-13 00:02:14,341 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-13 00:02:14,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-13 00:02:14,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 12:02:13" (1/3) ... [2021-03-13 00:02:14,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29bbb90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:02:14, skipping insertion in model container [2021-03-13 00:02:14,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 12:02:13" (2/3) ... [2021-03-13 00:02:14,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29bbb90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 12:02:14, skipping insertion in model container [2021-03-13 00:02:14,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.03 12:02:14" (3/3) ... [2021-03-13 00:02:14,362 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitSafe.c [2021-03-13 00:02:14,367 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-13 00:02:14,367 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-13 00:02:14,370 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-13 00:02:14,370 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-13 00:02:14,411 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,411 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,411 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,411 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,411 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,412 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,412 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,412 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,412 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,412 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,412 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,412 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,413 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,413 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,413 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,413 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,413 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,413 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,413 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,414 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,414 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,414 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,414 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,414 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,414 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,414 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,415 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,415 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,415 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,415 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,415 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,415 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,416 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,416 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,416 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,416 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,416 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,416 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,417 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,417 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,417 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,417 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,417 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,417 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,419 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,422 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,422 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,422 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,422 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,422 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,422 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,423 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-13 00:02:14,433 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-13 00:02:14,448 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 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 [2021-03-13 00:02:14,501 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-13 00:02:14,501 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-13 00:02:14,502 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-13 00:02:14,502 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-13 00:02:14,502 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-13 00:02:14,502 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-13 00:02:14,502 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-13 00:02:14,502 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-13 00:02:14,519 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-13 00:02:14,519 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 43 transitions, 94 flow [2021-03-13 00:02:14,522 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 43 transitions, 94 flow [2021-03-13 00:02:14,523 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 43 transitions, 94 flow [2021-03-13 00:02:14,565 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-03-13 00:02:14,565 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-13 00:02:14,567 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 42 events. 0/42 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-13 00:02:14,568 INFO L116 LiptonReduction]: Number of co-enabled transitions 54 [2021-03-13 00:02:16,499 INFO L131 LiptonReduction]: Checked pairs total: 48 [2021-03-13 00:02:16,499 INFO L133 LiptonReduction]: Total number of compositions: 39 [2021-03-13 00:02:16,562 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:02:16,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:02:16,566 INFO L82 PathProgramCache]: Analyzing trace with hash 521547663, now seen corresponding path program 1 times [2021-03-13 00:02:16,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:02:16,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700054064] [2021-03-13 00:02:16,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:02:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:02:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:02:16,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700054064] [2021-03-13 00:02:16,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:02:16,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 00:02:16,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548151897] [2021-03-13 00:02:16,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 00:02:16,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:02:16,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 00:02:16,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-13 00:02:16,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:02:16,803 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:02:16,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:02:16,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:02:16,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:02:16,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-13 00:02:16,896 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-13 00:02:16,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-13 00:02:16,900 INFO L82 PathProgramCache]: Analyzing trace with hash 521086383, now seen corresponding path program 2 times [2021-03-13 00:02:16,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-13 00:02:16,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842202372] [2021-03-13 00:02:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-13 00:02:16,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-13 00:02:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-13 00:02:17,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842202372] [2021-03-13 00:02:17,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-13 00:02:17,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-13 00:02:17,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190118739] [2021-03-13 00:02:17,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-13 00:02:17,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-13 00:02:17,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-13 00:02:17,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-03-13 00:02:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:02:17,046 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-13 00:02:17,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-13 00:02:17,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:02:17,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-13 00:02:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:02:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-13 00:02:17,143 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-13 00:02:17,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.03 12:02:17 BasicIcfg [2021-03-13 00:02:17,153 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-13 00:02:17,154 INFO L168 Benchmark]: Toolchain (without parser) took 3402.00 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 232.9 MB in the beginning and 256.7 MB in the end (delta: -23.7 MB). Peak memory consumption was 82.6 MB. Max. memory is 16.0 GB. [2021-03-13 00:02:17,154 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:02:17,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.70 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 232.5 MB in the beginning and 346.2 MB in the end (delta: -113.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-03-13 00:02:17,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.43 ms. Allocated memory is still 362.8 MB. Free memory was 346.2 MB in the beginning and 344.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-13 00:02:17,156 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 ms. Allocated memory is still 362.8 MB. Free memory was 344.7 MB in the beginning and 343.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-13 00:02:17,157 INFO L168 Benchmark]: RCFGBuilder took 344.53 ms. Allocated memory is still 362.8 MB. Free memory was 343.7 MB in the beginning and 327.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-13 00:02:17,158 INFO L168 Benchmark]: TraceAbstraction took 2811.81 ms. Allocated memory is still 362.8 MB. Free memory was 327.9 MB in the beginning and 256.7 MB in the end (delta: 71.2 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.0 GB. [2021-03-13 00:02:17,163 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 185.70 ms. Allocated memory was 255.9 MB in the beginning and 362.8 MB in the end (delta: 107.0 MB). Free memory was 232.5 MB in the beginning and 346.2 MB in the end (delta: -113.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.43 ms. Allocated memory is still 362.8 MB. Free memory was 346.2 MB in the beginning and 344.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 26.95 ms. Allocated memory is still 362.8 MB. Free memory was 344.7 MB in the beginning and 343.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 344.53 ms. Allocated memory is still 362.8 MB. Free memory was 343.7 MB in the beginning and 327.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2811.81 ms. Allocated memory is still 362.8 MB. Free memory was 327.9 MB in the beginning and 256.7 MB in the end (delta: 71.2 MB). Peak memory consumption was 72.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1977.7ms, 47 PlacesBefore, 12 PlacesAfterwards, 43 TransitionsBefore, 8 TransitionsAfterwards, 54 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 39 TotalNumberOfCompositions, 48 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 51, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 40, unknown conditional: 0, unknown unconditional: 40] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, 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: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 71, negative conditional: 29, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 2, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 71, negative conditional: 29, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 2, Negative unconditional cache size: 1, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 71, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 71, negative conditional: 29, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 3, Negative conditional cache size: 2, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 2, Independence queries for same thread: 3 - PositiveResult [Line: 29]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2677.6ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2009.6ms, PartialOrderReductionTime: 237.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, 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: 5.5ms SsaConstructionTime, 66.2ms SatisfiabilityAnalysisTime, 205.3ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...