/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 16:54:54,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 16:54:54,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 16:54:54,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 16:54:54,213 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 16:54:54,238 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 16:54:54,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 16:54:54,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 16:54:54,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 16:54:54,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 16:54:54,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 16:54:54,241 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 16:54:54,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 16:54:54,241 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 16:54:54,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 16:54:54,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 16:54:54,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 16:54:54,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 16:54:54,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 16:54:54,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 16:54:54,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 16:54:54,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 16:54:54,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 16:54:54,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 16:54:54,243 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 16:54:54,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 16:54:54,244 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 16:54:54,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 16:54:54,244 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 16:54:54,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 16:54:54,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 16:54:54,244 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 16:54:54,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 16:54:54,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 16:54:54,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 16:54:54,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 16:54:54,505 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 16:54:54,505 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 16:54:54,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2021-08-07 16:54:54,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b1a63de/0a804f771646473fa66f46341182a144/FLAGd75584b9d [2021-08-07 16:54:54,914 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 16:54:54,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2021-08-07 16:54:54,924 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b1a63de/0a804f771646473fa66f46341182a144/FLAGd75584b9d [2021-08-07 16:54:55,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87b1a63de/0a804f771646473fa66f46341182a144 [2021-08-07 16:54:55,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 16:54:55,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 16:54:55,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 16:54:55,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 16:54:55,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 16:54:55,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d19641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55, skipping insertion in model container [2021-08-07 16:54:55,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 16:54:55,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 16:54:55,661 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/sync01.i[42004,42017] [2021-08-07 16:54:55,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 16:54:55,672 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 16:54:55,710 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/sync01.i[42004,42017] [2021-08-07 16:54:55,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 16:54:55,754 INFO L208 MainTranslator]: Completed translation [2021-08-07 16:54:55,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55 WrapperNode [2021-08-07 16:54:55,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 16:54:55,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 16:54:55,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 16:54:55,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 16:54:55,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 16:54:55,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 16:54:55,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 16:54:55,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 16:54:55,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 16:54:55,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 16:54:55,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 16:54:55,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 16:54:55,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (1/1) ... [2021-08-07 16:54:55,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 16:54:55,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:54:55,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 16:54:55,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 16:54:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 16:54:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 16:54:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 16:54:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 16:54:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 16:54:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 16:54:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 16:54:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 16:54:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-07 16:54:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 16:54:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 16:54:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 16:54:55,915 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 16:54:56,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 16:54:56,223 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-07 16:54:56,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 04:54:56 BoogieIcfgContainer [2021-08-07 16:54:56,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 16:54:56,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 16:54:56,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 16:54:56,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 16:54:56,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 04:54:55" (1/3) ... [2021-08-07 16:54:56,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0c73b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 04:54:56, skipping insertion in model container [2021-08-07 16:54:56,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:55" (2/3) ... [2021-08-07 16:54:56,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0c73b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 04:54:56, skipping insertion in model container [2021-08-07 16:54:56,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 04:54:56" (3/3) ... [2021-08-07 16:54:56,230 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2021-08-07 16:54:56,233 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 16:54:56,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 16:54:56,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 16:54:56,233 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 16:54:56,259 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,260 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,260 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,261 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,261 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,261 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,261 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,261 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,261 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,262 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,263 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,263 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,263 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,264 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,264 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,264 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,264 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,264 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,264 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,264 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,266 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,266 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,267 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,267 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,267 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,267 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,268 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,269 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,270 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,276 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,276 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,277 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,277 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,277 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,277 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,277 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,280 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,281 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,281 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,281 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,281 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,281 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,281 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:56,293 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 16:54:56,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 16:54:56,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:54:56,333 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 16:54:56,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 16:54:56,357 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 16:54:56,362 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 16:54:56,363 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 16:54:56,523 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 16:54:56,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:54:56,526 INFO L82 PathProgramCache]: Analyzing trace with hash 736646065, now seen corresponding path program 1 times [2021-08-07 16:54:56,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:54:56,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502736457] [2021-08-07 16:54:56,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:54:56,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:54:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:54:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:54:56,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:54:56,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502736457] [2021-08-07 16:54:56,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502736457] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 16:54:56,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 16:54:56,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 16:54:56,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329103218] [2021-08-07 16:54:56,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 16:54:56,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:54:56,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 16:54:56,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 16:54:56,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,755 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:54:56,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2021-08-07 16:54:56,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 16:54:56,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 16:54:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:54:56,780 INFO L82 PathProgramCache]: Analyzing trace with hash 242403567, now seen corresponding path program 1 times [2021-08-07 16:54:56,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:54:56,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693859201] [2021-08-07 16:54:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:54:56,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:54:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:54:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:54:56,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:54:56,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693859201] [2021-08-07 16:54:56,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693859201] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 16:54:56,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 16:54:56,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 16:54:56,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308465976] [2021-08-07 16:54:56,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 16:54:56,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:54:56,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 16:54:56,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 16:54:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,863 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:54:56,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-08-07 16:54:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:56,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 16:54:56,921 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 16:54:56,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:54:56,924 INFO L82 PathProgramCache]: Analyzing trace with hash -484296831, now seen corresponding path program 1 times [2021-08-07 16:54:56,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:54:56,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042326323] [2021-08-07 16:54:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:54:56,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:54:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:54:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-07 16:54:56,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:54:56,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042326323] [2021-08-07 16:54:56,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042326323] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 16:54:56,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 16:54:56,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 16:54:56,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865025703] [2021-08-07 16:54:56,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 16:54:56,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:54:56,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 16:54:56,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 16:54:56,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,978 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:54:56,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2021-08-07 16:54:56,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:56,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:56,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:57,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 16:54:57,028 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 16:54:57,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:54:57,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1769096829, now seen corresponding path program 2 times [2021-08-07 16:54:57,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:54:57,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243448300] [2021-08-07 16:54:57,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:54:57,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:54:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:54:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-08-07 16:54:57,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:54:57,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243448300] [2021-08-07 16:54:57,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243448300] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:54:57,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791345077] [2021-08-07 16:54:57,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-07 16:54:57,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-07 16:54:57,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:54:57,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-07 16:54:57,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-07 16:54:57,398 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-07 16:54:57,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-07 16:54:57,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-07 16:54:57,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-07 16:54:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-07 16:54:58,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791345077] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-07 16:54:58,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-07 16:54:58,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 14 [2021-08-07 16:54:58,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947575238] [2021-08-07 16:54:58,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-08-07 16:54:58,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:54:58,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-07 16:54:58,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-08-07 16:54:58,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:58,115 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:54:58,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.5) internal successors, (133), 14 states have internal predecessors, (133), 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) [2021-08-07 16:54:58,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:58,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:58,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:58,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:58,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-07 16:54:58,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 16:54:58,767 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 16:54:58,768 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 16:54:58,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-07 16:54:58,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-07 16:54:58,986 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 16:54:58,986 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 16:54:58,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 04:54:58 BasicIcfg [2021-08-07 16:54:58,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 16:54:58,988 INFO L168 Benchmark]: Toolchain (without parser) took 3652.79 ms. Allocated memory was 216.0 MB in the beginning and 269.5 MB in the end (delta: 53.5 MB). Free memory was 178.8 MB in the beginning and 134.7 MB in the end (delta: 44.0 MB). Peak memory consumption was 97.6 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:58,988 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 216.0 MB. Free memory is still 197.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 16:54:58,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.57 ms. Allocated memory is still 216.0 MB. Free memory was 178.6 MB in the beginning and 180.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:58,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 216.0 MB. Free memory was 180.6 MB in the beginning and 178.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:58,988 INFO L168 Benchmark]: Boogie Preprocessor took 16.97 ms. Allocated memory is still 216.0 MB. Free memory was 178.0 MB in the beginning and 176.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:58,988 INFO L168 Benchmark]: RCFGBuilder took 425.10 ms. Allocated memory is still 216.0 MB. Free memory was 176.5 MB in the beginning and 148.6 MB in the end (delta: 27.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:58,988 INFO L168 Benchmark]: TraceAbstraction took 2761.63 ms. Allocated memory was 216.0 MB in the beginning and 269.5 MB in the end (delta: 53.5 MB). Free memory was 148.1 MB in the beginning and 134.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 67.9 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:58,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 216.0 MB. Free memory is still 197.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 417.57 ms. Allocated memory is still 216.0 MB. Free memory was 178.6 MB in the beginning and 180.6 MB in the end (delta: -2.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 216.0 MB. Free memory was 180.6 MB in the beginning and 178.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 16.97 ms. Allocated memory is still 216.0 MB. Free memory was 178.0 MB in the beginning and 176.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 425.10 ms. Allocated memory is still 216.0 MB. Free memory was 176.5 MB in the beginning and 148.6 MB in the end (delta: 27.8 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2761.63 ms. Allocated memory was 216.0 MB in the beginning and 269.5 MB in the end (delta: 53.5 MB). Free memory was 148.1 MB in the beginning and 134.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 67.9 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: 2935, positive: 2649, positive conditional: 1101, positive unconditional: 1548, negative: 286, negative conditional: 263, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2698, positive: 2649, positive conditional: 1101, positive unconditional: 1548, negative: 49, negative conditional: 26, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2698, positive: 2649, positive conditional: 1101, positive unconditional: 1548, negative: 49, negative conditional: 26, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2780, positive: 2649, positive conditional: 1045, positive unconditional: 1604, negative: 131, negative conditional: 82, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2780, positive: 2649, positive conditional: 474, positive unconditional: 2175, negative: 131, negative conditional: 19, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2780, positive: 2649, positive conditional: 474, positive unconditional: 2175, negative: 131, negative conditional: 19, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1410, positive: 1383, positive conditional: 14, positive unconditional: 1369, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1410, positive: 1374, positive conditional: 0, positive unconditional: 1374, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 2, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 104, positive: 52, positive conditional: 2, positive unconditional: 51, negative: 51, negative conditional: 6, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2780, positive: 1266, positive conditional: 460, positive unconditional: 806, negative: 104, negative conditional: 15, negative unconditional: 89, unknown: 1410, unknown conditional: 18, unknown unconditional: 1392] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1383, Positive conditional cache size: 14, Positive unconditional cache size: 1369, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 634, Maximal queried relation: 4, Independence queries for same thread: 237 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 161, Number of persistent set computation: 409, Number of trivial persistent sets: 409, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1571, positive: 1548, positive conditional: 0, positive unconditional: 1548, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2935, positive: 2649, positive conditional: 1101, positive unconditional: 1548, negative: 286, negative conditional: 263, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2698, positive: 2649, positive conditional: 1101, positive unconditional: 1548, negative: 49, negative conditional: 26, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2698, positive: 2649, positive conditional: 1101, positive unconditional: 1548, negative: 49, negative conditional: 26, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2780, positive: 2649, positive conditional: 1045, positive unconditional: 1604, negative: 131, negative conditional: 82, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2780, positive: 2649, positive conditional: 474, positive unconditional: 2175, negative: 131, negative conditional: 19, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2780, positive: 2649, positive conditional: 474, positive unconditional: 2175, negative: 131, negative conditional: 19, negative unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1410, positive: 1383, positive conditional: 14, positive unconditional: 1369, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1410, positive: 1374, positive conditional: 0, positive unconditional: 1374, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 9, positive conditional: 2, positive unconditional: 7, negative: 27, negative conditional: 4, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 104, positive: 52, positive conditional: 2, positive unconditional: 51, negative: 51, negative conditional: 6, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2780, positive: 1266, positive conditional: 460, positive unconditional: 806, negative: 104, negative conditional: 15, negative unconditional: 89, unknown: 1410, unknown conditional: 18, unknown unconditional: 1392] , Statistics on independence cache: Total cache size (in pairs): 1410, Positive cache size: 1383, Positive conditional cache size: 14, Positive unconditional cache size: 1369, Negative cache size: 27, Negative conditional cache size: 4, Negative unconditional cache size: 23, Eliminated conditions: 634, Maximal queried relation: 4, Independence queries for same thread: 237 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 966]: 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: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2659.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.9ms, PartialOrderReductionTime: 917.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, 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: 27.4ms SsaConstructionTime, 145.6ms SatisfiabilityAnalysisTime, 1115.6ms InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 413 ConstructedInterpolants, 0 QuantifiedInterpolants, 1528 SizeOfPredicates, 5 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 20/27 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! [2021-08-07 16:54:59,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 16:54:59,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...