/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 05:16:12,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 05:16:12,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 05:16:12,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 05:16:12,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 05:16:12,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 05:16:12,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 05:16:12,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 05:16:12,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 05:16:12,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 05:16:12,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 05:16:12,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 05:16:12,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 05:16:12,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 05:16:12,856 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 05:16:12,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 05:16:12,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 05:16:12,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 05:16:12,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 05:16:12,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 05:16:12,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 05:16:12,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 05:16:12,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 05:16:12,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 05:16:12,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 05:16:12,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 05:16:12,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 05:16:12,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 05:16:12,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 05:16:12,859 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 05:16:12,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 05:16:12,859 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 05:16:12,859 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 05:16:12,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 05:16:12,859 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 05:16:12,859 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 05:16:13,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 05:16:13,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 05:16:13,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 05:16:13,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 05:16:13,148 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 05:16:13,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-07-14 05:16:13,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e51f5cb/fb779737093b438ea73a8dca34365f65/FLAGa4c4e603f [2021-07-14 05:16:13,604 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 05:16:13,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-07-14 05:16:13,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e51f5cb/fb779737093b438ea73a8dca34365f65/FLAGa4c4e603f [2021-07-14 05:16:13,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9e51f5cb/fb779737093b438ea73a8dca34365f65 [2021-07-14 05:16:13,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 05:16:13,986 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 05:16:13,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 05:16:13,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 05:16:13,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 05:16:13,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:16:13" (1/1) ... [2021-07-14 05:16:13,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c49807 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:13, skipping insertion in model container [2021-07-14 05:16:13,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:16:13" (1/1) ... [2021-07-14 05:16:13,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 05:16:14,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 05:16:14,230 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-07-14 05:16:14,233 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-07-14 05:16:14,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:16:14,243 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 05:16:14,265 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-07-14 05:16:14,266 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-07-14 05:16:14,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:16:14,291 INFO L208 MainTranslator]: Completed translation [2021-07-14 05:16:14,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14 WrapperNode [2021-07-14 05:16:14,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 05:16:14,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 05:16:14,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 05:16:14,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 05:16:14,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 05:16:14,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 05:16:14,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 05:16:14,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 05:16:14,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (1/1) ... [2021-07-14 05:16:14,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 05:16:14,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 05:16:14,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 05:16:14,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 05:16:14,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (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 [2021-07-14 05:16:14,401 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-07-14 05:16:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-07-14 05:16:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 05:16:14,402 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-07-14 05:16:14,402 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-07-14 05:16:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 05:16:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 05:16:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 05:16:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 05:16:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 05:16:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 05:16:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 05:16:14,413 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 05:16:14,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 05:16:14,738 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-07-14 05:16:14,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:16:14 BoogieIcfgContainer [2021-07-14 05:16:14,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 05:16:14,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 05:16:14,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 05:16:14,742 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 05:16:14,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:16:13" (1/3) ... [2021-07-14 05:16:14,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c08921d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:16:14, skipping insertion in model container [2021-07-14 05:16:14,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:16:14" (2/3) ... [2021-07-14 05:16:14,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c08921d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:16:14, skipping insertion in model container [2021-07-14 05:16:14,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:16:14" (3/3) ... [2021-07-14 05:16:14,745 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-07-14 05:16:14,748 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 05:16:14,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 05:16:14,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-14 05:16:14,749 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 05:16:14,775 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,776 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,776 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,776 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,777 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,777 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,777 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,777 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,777 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,778 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,778 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,778 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,779 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,779 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,779 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,779 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,780 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,781 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,781 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,782 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,783 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,786 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,787 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,787 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,787 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,788 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,788 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,789 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,789 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,791 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,791 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,792 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,792 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,792 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,798 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,799 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,799 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,799 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,799 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,799 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:16:14,815 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 05:16:14,831 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 05:16:14,965 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:16:14,966 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:16:14,966 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:16:14,966 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:16:14,966 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:16:14,966 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:16:14,966 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:16:14,966 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == de_allocatorThread1of1ForFork0======== [2021-07-14 05:16:15,121 INFO L301 ceAbstractionStarter]: Result for error location de_allocatorThread1of1ForFork0 was SAFE (1/3) [2021-07-14 05:16:15,122 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 05:16:15,127 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:16:15,127 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:16:15,127 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:16:15,127 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:16:15,127 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:16:15,127 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:16:15,127 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:16:15,127 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 05:16:15,139 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-07-14 05:16:15,139 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 05:16:15,144 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:16:15,144 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:16:15,144 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:16:15,144 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:16:15,144 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:16:15,144 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:16:15,145 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:16:15,145 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == allocatorThread1of1ForFork1======== [2021-07-14 05:16:15,193 INFO L430 AbstractCegarLoop]: === Iteration 1 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:16:15,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:16:15,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1512118707, now seen corresponding path program 1 times [2021-07-14 05:16:15,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:16:15,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596043898] [2021-07-14 05:16:15,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:16:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:16:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:16:15,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:16:15,630 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596043898] [2021-07-14 05:16:15,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596043898] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:16:15,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:16:15,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 05:16:15,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890118341] [2021-07-14 05:16:15,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 05:16:15,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:16:15,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 05:16:15,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 05:16:15,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:15,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:16:15,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2021-07-14 05:16:15,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:15,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 05:16:15,759 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 05:16:15,759 INFO L430 AbstractCegarLoop]: === Iteration 2 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:16:15,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:16:15,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1706026703, now seen corresponding path program 1 times [2021-07-14 05:16:15,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:16:15,760 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034543714] [2021-07-14 05:16:15,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:16:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:16:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:16:15,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:16:15,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034543714] [2021-07-14 05:16:15,881 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034543714] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:16:15,881 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:16:15,882 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 05:16:15,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013378191] [2021-07-14 05:16:15,883 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 05:16:15,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:16:15,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 05:16:15,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 05:16:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:15,886 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:16:15,886 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-07-14 05:16:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 05:16:15,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 05:16:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:15,900 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 05:16:15,900 INFO L430 AbstractCegarLoop]: === Iteration 3 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:16:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:16:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1706027664, now seen corresponding path program 1 times [2021-07-14 05:16:15,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:16:15,901 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735571077] [2021-07-14 05:16:15,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:16:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:16:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:16:15,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:16:15,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735571077] [2021-07-14 05:16:15,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735571077] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:16:15,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:16:15,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 05:16:15,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408386553] [2021-07-14 05:16:15,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 05:16:15,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:16:15,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 05:16:15,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 05:16:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:15,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:16:15,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-07-14 05:16:15,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 05:16:15,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:15,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:15,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 05:16:15,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:15,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:15,974 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 05:16:15,975 INFO L430 AbstractCegarLoop]: === Iteration 4 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:16:15,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:16:15,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1290819965, now seen corresponding path program 1 times [2021-07-14 05:16:15,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:16:15,975 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859845766] [2021-07-14 05:16:15,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:16:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 05:16:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 05:16:16,009 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 05:16:16,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859845766] [2021-07-14 05:16:16,009 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859845766] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 05:16:16,009 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 05:16:16,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 05:16:16,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126877222] [2021-07-14 05:16:16,010 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 05:16:16,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 05:16:16,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 05:16:16,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 05:16:16,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:16,011 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 05:16:16,011 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-07-14 05:16:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 05:16:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:16,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 05:16:16,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 05:16:16,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 05:16:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 05:16:16,093 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 05:16:16,095 INFO L301 ceAbstractionStarter]: Result for error location allocatorThread1of1ForFork1 was SAFE (3/3) [2021-07-14 05:16:16,095 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 05:16:16,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:16:16 BasicIcfg [2021-07-14 05:16:16,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 05:16:16,098 INFO L168 Benchmark]: Toolchain (without parser) took 2111.86 ms. Allocated memory is still 175.1 MB. Free memory was 137.3 MB in the beginning and 85.4 MB in the end (delta: 51.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 8.0 GB. [2021-07-14 05:16:16,098 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 175.1 MB. Free memory is still 155.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 05:16:16,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.12 ms. Allocated memory is still 175.1 MB. Free memory was 137.0 MB in the beginning and 148.7 MB in the end (delta: -11.7 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. [2021-07-14 05:16:16,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.68 ms. Allocated memory is still 175.1 MB. Free memory was 148.7 MB in the beginning and 146.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 05:16:16,099 INFO L168 Benchmark]: Boogie Preprocessor took 24.47 ms. Allocated memory is still 175.1 MB. Free memory was 146.6 MB in the beginning and 145.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 05:16:16,100 INFO L168 Benchmark]: RCFGBuilder took 394.33 ms. Allocated memory is still 175.1 MB. Free memory was 145.6 MB in the beginning and 119.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-14 05:16:16,100 INFO L168 Benchmark]: TraceAbstraction took 1356.78 ms. Allocated memory is still 175.1 MB. Free memory was 119.3 MB in the beginning and 85.4 MB in the end (delta: 33.9 MB). Peak memory consumption was 35.0 MB. Max. memory is 8.0 GB. [2021-07-14 05:16:16,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 175.1 MB. Free memory is still 155.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 305.12 ms. Allocated memory is still 175.1 MB. Free memory was 137.0 MB in the beginning and 148.7 MB in the end (delta: -11.7 MB). Peak memory consumption was 12.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.68 ms. Allocated memory is still 175.1 MB. Free memory was 148.7 MB in the beginning and 146.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.47 ms. Allocated memory is still 175.1 MB. Free memory was 146.6 MB in the beginning and 145.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 394.33 ms. Allocated memory is still 175.1 MB. Free memory was 145.6 MB in the beginning and 119.9 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1356.78 ms. Allocated memory is still 175.1 MB. Free memory was 119.3 MB in the beginning and 85.4 MB in the end (delta: 33.9 MB). Peak memory consumption was 35.0 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: 841, positive: 774, positive conditional: 774, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 784, positive: 774, positive conditional: 774, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 784, positive: 774, positive conditional: 0, positive unconditional: 774, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 283, positive: 280, positive conditional: 0, positive unconditional: 280, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 283, positive: 278, positive conditional: 0, positive unconditional: 278, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 59, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 784, positive: 494, positive conditional: 0, positive unconditional: 494, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 283, unknown conditional: 0, unknown unconditional: 283] , Statistics on independence cache: Total cache size (in pairs): 283, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 ], Maximal queried relation: 0, Independence queries for same thread: 57 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 114, positive: 97, positive conditional: 97, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 97, positive: 97, positive conditional: 97, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 97, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 95, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 95, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 95, unknown conditional: 0, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 95, Positive cache size: 95, Positive conditional cache size: 0, Positive unconditional cache size: 95, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 17 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1586, positive: 1443, positive conditional: 1443, positive unconditional: 0, negative: 143, negative conditional: 143, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1465, positive: 1443, positive conditional: 1443, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1465, positive: 1441, positive conditional: 0, positive unconditional: 1441, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 345, positive: 339, positive conditional: 0, positive unconditional: 339, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 345, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 8, positive conditional: 1, positive unconditional: 6, negative: 49, negative conditional: 5, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1465, positive: 1102, positive conditional: 0, positive unconditional: 1102, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 345, unknown conditional: 0, unknown unconditional: 345] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 340, Positive conditional cache size: 1, Positive unconditional cache size: 339, Negative cache size: 10, Negative conditional cache size: 4, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 8, positive conditional: 1, positive unconditional: 6, negative: 49, negative conditional: 5, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 65, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 59, negative conditional: 7, negative unconditional: 52, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 340, Positive conditional cache size: 1, Positive unconditional cache size: 339, Negative cache size: 10, Negative conditional cache size: 4, Negative unconditional cache size: 6, Eliminated conditions: 52, SemanticConditionEliminator.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 8, positive conditional: 1, positive unconditional: 6, negative: 49, negative conditional: 5, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 65, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 59, negative conditional: 7, negative unconditional: 52, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 340, Positive conditional cache size: 1, Positive unconditional cache size: 339, Negative cache size: 10, Negative conditional cache size: 4, Negative unconditional cache size: 6, Eliminated conditions: 52, SemanticConditionEliminator.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 8, positive conditional: 1, positive unconditional: 6, negative: 49, negative conditional: 5, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 65, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 59, negative conditional: 7, negative unconditional: 52, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 340, Positive conditional cache size: 1, Positive unconditional cache size: 339, Negative cache size: 10, Negative conditional cache size: 4, Negative unconditional cache size: 6, Eliminated conditions: 52, SemanticConditionEliminator.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 1, positive unconditional: 4, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 8, positive conditional: 1, positive unconditional: 6, negative: 49, negative conditional: 5, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 65, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 59, negative conditional: 7, negative unconditional: 52, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 340, Positive conditional cache size: 1, Positive unconditional cache size: 339, Negative cache size: 10, Negative conditional cache size: 4, Negative unconditional cache size: 6, Eliminated conditions: 52 ], Maximal queried relation: 4, Independence queries for same thread: 121 - PositiveResult [Line: 710]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: de_allocatorThread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 269.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.9ms, PartialOrderReductionTime: 136.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.0ms, PartialOrderReductionTime: 8.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: allocatorThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 123 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 954.5ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 289.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 26.9ms SsaConstructionTime, 131.3ms SatisfiabilityAnalysisTime, 332.5ms InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...