/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/simpleReturn.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 09:16:45,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 09:16:45,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 09:16:45,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-17 09:16:45,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-17 09:16:45,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-17 09:16:45,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-17 09:16:45,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-17 09:16:45,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-17 09:16:45,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-17 09:16:45,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-17 09:16:45,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-17 09:16:45,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 09:16:45,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 09:16:45,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 09:16:45,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 09:16:45,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 09:16:45,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 09:16:45,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 09:16:45,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 09:16:45,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 09:16:45,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 09:16:45,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 09:16:45,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 09:16:45,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-17 09:16:45,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-17 09:16:45,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-17 09:16:45,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-17 09:16:45,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-17 09:16:45,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-17 09:16:45,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-17 09:16:45,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-17 09:16:45,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-17 09:16:45,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-17 09:16:45,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-17 09:16:45,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-17 09:16:45,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-17 09:16:45,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-17 09:16:45,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 09:16:45,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 09:16:45,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 09:16:45,181 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-17 09:16:45,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 09:16:45,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 09:16:45,196 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 09:16:45,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 09:16:45,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 09:16:45,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 09:16:45,197 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 09:16:45,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 09:16:45,198 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 09:16:45,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 09:16:45,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 09:16:45,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 09:16:45,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 09:16:45,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 09:16:45,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 09:16:45,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 09:16:45,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 09:16:45,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 09:16:45,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 09:16:45,210 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 09:16:45,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 09:16:45,210 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 09:16:45,210 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 09:16:45,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 09:16:45,211 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 09:16:45,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 09:16:45,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 09:16:45,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 09:16:45,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 09:16:45,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 09:16:45,483 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 09:16:45,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/simpleReturn.c [2021-06-17 09:16:45,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ed79834/973ea5b6c66e415db533bfa14a5f1ab1/FLAG04ff72543 [2021-06-17 09:16:45,855 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 09:16:45,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/simpleReturn.c [2021-06-17 09:16:45,856 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-17 09:16:45,856 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-17 09:16:45,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ed79834/973ea5b6c66e415db533bfa14a5f1ab1/FLAG04ff72543 [2021-06-17 09:16:46,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ed79834/973ea5b6c66e415db533bfa14a5f1ab1 [2021-06-17 09:16:46,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 09:16:46,282 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 09:16:46,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 09:16:46,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 09:16:46,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 09:16:46,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5f762d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46, skipping insertion in model container [2021-06-17 09:16:46,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 09:16:46,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 09:16:46,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 09:16:46,420 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 09:16:46,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 09:16:46,471 INFO L208 MainTranslator]: Completed translation [2021-06-17 09:16:46,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46 WrapperNode [2021-06-17 09:16:46,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 09:16:46,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 09:16:46,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 09:16:46,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 09:16:46,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 09:16:46,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 09:16:46,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 09:16:46,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 09:16:46,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (1/1) ... [2021-06-17 09:16:46,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 09:16:46,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 09:16:46,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 09:16:46,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 09:16:46,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (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 [2021-06-17 09:16:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-17 09:16:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 09:16:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-06-17 09:16:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-06-17 09:16:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 09:16:46,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 09:16:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 09:16:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-17 09:16:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-17 09:16:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 09:16:46,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 09:16:46,565 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 09:16:46,845 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 09:16:46,845 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-17 09:16:46,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:16:46 BoogieIcfgContainer [2021-06-17 09:16:46,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 09:16:46,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 09:16:46,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 09:16:46,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 09:16:46,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 09:16:46" (1/3) ... [2021-06-17 09:16:46,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236573c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:16:46, skipping insertion in model container [2021-06-17 09:16:46,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 09:16:46" (2/3) ... [2021-06-17 09:16:46,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236573c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 09:16:46, skipping insertion in model container [2021-06-17 09:16:46,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 09:16:46" (3/3) ... [2021-06-17 09:16:46,852 INFO L111 eAbstractionObserver]: Analyzing ICFG simpleReturn.c [2021-06-17 09:16:46,856 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 09:16:46,856 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 09:16:46,856 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 09:16:46,857 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 09:16:46,876 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,876 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,876 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,876 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,877 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,878 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,879 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,879 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,879 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,879 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,880 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,880 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,880 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,880 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,880 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,881 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,881 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,881 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,881 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,881 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,881 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,881 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,883 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,884 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,884 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,884 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,884 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,884 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,884 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 09:16:46,894 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-17 09:16:46,907 INFO L255 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 [2021-06-17 09:16:46,963 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 09:16:46,963 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 09:16:46,963 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 09:16:46,963 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 09:16:46,963 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 09:16:46,963 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 09:16:46,963 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 09:16:46,963 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 09:16:47,040 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 09:16:47,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 09:16:47,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1850675274, now seen corresponding path program 1 times [2021-06-17 09:16:47,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 09:16:47,050 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125982990] [2021-06-17 09:16:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 09:16:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 09:16:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 09:16:47,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 09:16:47,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125982990] [2021-06-17 09:16:47,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125982990] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 09:16:47,540 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 09:16:47,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-17 09:16:47,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093364743] [2021-06-17 09:16:47,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-17 09:16:47,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 09:16:47,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-17 09:16:47,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-06-17 09:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:16:47,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 09:16:47,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 2.0) internal successors, (34), 18 states have internal predecessors, (34), 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) [2021-06-17 09:16:47,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 09:16:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-17 09:16:48,329 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 09:16:48,335 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 09:16:48,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 09:16:48 BasicIcfg [2021-06-17 09:16:48,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 09:16:48,337 INFO L168 Benchmark]: Toolchain (without parser) took 2055.41 ms. Allocated memory was 205.5 MB in the beginning and 250.6 MB in the end (delta: 45.1 MB). Free memory was 169.1 MB in the beginning and 164.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 50.6 MB. Max. memory is 8.0 GB. [2021-06-17 09:16:48,337 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 205.5 MB. Free memory is still 187.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 09:16:48,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.72 ms. Allocated memory is still 205.5 MB. Free memory was 168.9 MB in the beginning and 188.4 MB in the end (delta: -19.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-17 09:16:48,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 205.5 MB. Free memory was 188.4 MB in the beginning and 187.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 09:16:48,338 INFO L168 Benchmark]: Boogie Preprocessor took 10.87 ms. Allocated memory is still 205.5 MB. Free memory was 187.0 MB in the beginning and 185.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 09:16:48,339 INFO L168 Benchmark]: RCFGBuilder took 343.27 ms. Allocated memory is still 205.5 MB. Free memory was 185.9 MB in the beginning and 169.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-17 09:16:48,339 INFO L168 Benchmark]: TraceAbstraction took 1488.69 ms. Allocated memory was 205.5 MB in the beginning and 250.6 MB in the end (delta: 45.1 MB). Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. [2021-06-17 09:16:48,341 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 205.5 MB. Free memory is still 187.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 188.72 ms. Allocated memory is still 205.5 MB. Free memory was 168.9 MB in the beginning and 188.4 MB in the end (delta: -19.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 205.5 MB. Free memory was 188.4 MB in the beginning and 187.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.87 ms. Allocated memory is still 205.5 MB. Free memory was 187.0 MB in the beginning and 185.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 343.27 ms. Allocated memory is still 205.5 MB. Free memory was 185.9 MB in the beginning and 169.6 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1488.69 ms. Allocated memory was 205.5 MB in the beginning and 250.6 MB in the end (delta: 45.1 MB). Free memory was 168.9 MB in the beginning and 164.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 51.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 93, positive: 89, positive conditional: 28, positive unconditional: 61, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 92, positive: 89, positive conditional: 28, positive unconditional: 61, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 89, positive conditional: 0, positive unconditional: 89, 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: 28, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 28, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 1 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 60, Number of persistent set computation: 189, Number of trivial persistent sets: 183, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 93, positive: 89, positive conditional: 28, positive unconditional: 61, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 92, positive: 89, positive conditional: 28, positive unconditional: 61, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 92, positive: 89, positive conditional: 0, positive unconditional: 89, 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: 28, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 28, positive: 27, positive conditional: 0, positive unconditional: 27, 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: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 92, positive: 62, positive conditional: 0, positive unconditional: 62, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 1, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 31, negative conditional: 4, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 29, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 1 - PositiveResult [Line: 30]: 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: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 55 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1417.4ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 839.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, 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: 9.2ms SsaConstructionTime, 70.9ms SatisfiabilityAnalysisTime, 357.3ms InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...