/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:28:23,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:28:23,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:28:23,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:28:24,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:28:24,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:28:24,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:28:24,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:28:24,060 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:28:24,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:28:24,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:28:24,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:28:24,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:28:24,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:28:24,063 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:28:24,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:28:24,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:28:24,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:28:24,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:28:24,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:28:24,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:28:24,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:28:24,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:28:24,065 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:28:24,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:28:24,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:28:24,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:28:24,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:28:24,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:28:24,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:28:24,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:28:24,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:28:24,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:28:24,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:28:24,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:28:24,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:28:24,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:28:24,067 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:28:24,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:28:24,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:28:24,068 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:28:24,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:28:24,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:28:24,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:28:24,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:28:24,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:28:24,406 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:28:24,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-06-02 06:28:24,469 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b3e0d7f/d3b0a7d5c6fc4060aa443ba15aeae2db/FLAGc2b296620 [2021-06-02 06:28:25,005 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:28:25,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.opt.i [2021-06-02 06:28:25,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b3e0d7f/d3b0a7d5c6fc4060aa443ba15aeae2db/FLAGc2b296620 [2021-06-02 06:28:25,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15b3e0d7f/d3b0a7d5c6fc4060aa443ba15aeae2db [2021-06-02 06:28:25,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:28:25,338 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:28:25,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:28:25,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:28:25,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:28:25,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc8c36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25, skipping insertion in model container [2021-06-02 06:28:25,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:28:25,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:28:25,544 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-wmm/safe002_tso.opt.i[949,962] [2021-06-02 06:28:25,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:28:25,716 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:28:25,727 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-wmm/safe002_tso.opt.i[949,962] [2021-06-02 06:28:25,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:28:25,819 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:28:25,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25 WrapperNode [2021-06-02 06:28:25,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:28:25,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:28:25,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:28:25,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:28:25,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:28:25,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:28:25,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:28:25,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:28:25,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... [2021-06-02 06:28:25,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:28:25,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:28:25,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:28:25,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:28:25,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:28:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:28:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:28:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:28:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:28:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:28:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:28:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:28:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:28:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:28:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:28:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:28:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:28:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:28:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:28:25,959 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:28:26,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:28:26,367 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:28:26,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:28:26 BoogieIcfgContainer [2021-06-02 06:28:26,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:28:26,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:28:26,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:28:26,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:28:26,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:28:25" (1/3) ... [2021-06-02 06:28:26,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1105f387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:28:26, skipping insertion in model container [2021-06-02 06:28:26,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:28:25" (2/3) ... [2021-06-02 06:28:26,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1105f387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:28:26, skipping insertion in model container [2021-06-02 06:28:26,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:28:26" (3/3) ... [2021-06-02 06:28:26,375 INFO L111 eAbstractionObserver]: Analyzing ICFG safe002_tso.opt.i [2021-06-02 06:28:26,380 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:28:26,380 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:28:26,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:28:26,381 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:28:26,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,412 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,412 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,412 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,413 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,413 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,415 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,419 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,419 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,424 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,424 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,425 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,425 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,425 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,426 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,426 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,426 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,430 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,430 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,434 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,434 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,435 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,436 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,436 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:28:26,438 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:28:26,456 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 06:28:26,535 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:28:26,535 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:28:26,535 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:28:26,535 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:28:26,535 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:28:26,536 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:28:26,536 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:28:26,536 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:28:26,785 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:26,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:26,789 INFO L82 PathProgramCache]: Analyzing trace with hash 663437649, now seen corresponding path program 1 times [2021-06-02 06:28:26,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:26,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612476254] [2021-06-02 06:28:26,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:27,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:27,157 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612476254] [2021-06-02 06:28:27,157 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612476254] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:27,157 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:27,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:28:27,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574868221] [2021-06-02 06:28:27,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:28:27,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:27,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:28:27,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:28:27,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:27,174 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:27,175 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:27,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:27,583 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:28:27,583 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:27,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:27,584 INFO L82 PathProgramCache]: Analyzing trace with hash 601775058, now seen corresponding path program 1 times [2021-06-02 06:28:27,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:27,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359838941] [2021-06-02 06:28:27,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:27,758 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:27,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359838941] [2021-06-02 06:28:27,758 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359838941] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:27,759 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:27,759 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:28:27,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340118573] [2021-06-02 06:28:27,760 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:28:27,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:27,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:28:27,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:28:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:27,761 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:27,761 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:27,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:27,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:27,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:27,938 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:28:27,938 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:27,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1319826248, now seen corresponding path program 1 times [2021-06-02 06:28:27,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:27,939 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015268650] [2021-06-02 06:28:27,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:28,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:28,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:28,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015268650] [2021-06-02 06:28:28,050 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015268650] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:28,050 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:28,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:28:28,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884263096] [2021-06-02 06:28:28,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:28:28,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:28,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:28:28,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:28:28,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,052 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:28,052 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:28,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:28,268 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:28:28,268 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:28,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:28,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1175247813, now seen corresponding path program 1 times [2021-06-02 06:28:28,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:28,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920503562] [2021-06-02 06:28:28,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:28,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:28,391 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920503562] [2021-06-02 06:28:28,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920503562] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:28,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:28,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:28:28,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607126809] [2021-06-02 06:28:28,391 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:28:28,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:28,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:28:28,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:28:28,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:28,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:28,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:28,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:28,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 06:28:28,479 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:28:28,480 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:28,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:28,480 INFO L82 PathProgramCache]: Analyzing trace with hash 201329520, now seen corresponding path program 1 times [2021-06-02 06:28:28,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:28,480 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064367743] [2021-06-02 06:28:28,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:28,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:28,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064367743] [2021-06-02 06:28:28,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064367743] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:28,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:28,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:28:28,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865395888] [2021-06-02 06:28:28,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:28:28,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:28,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:28:28,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:28:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:28,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:28,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:28,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 06:28:28,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:28,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 06:28:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 06:28:28,725 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 06:28:28,725 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:28,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:28,726 INFO L82 PathProgramCache]: Analyzing trace with hash -565818620, now seen corresponding path program 1 times [2021-06-02 06:28:28,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:28,726 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060922046] [2021-06-02 06:28:28,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:28,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:28,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:28,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060922046] [2021-06-02 06:28:28,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060922046] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:28,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:28,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:28:28,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053958181] [2021-06-02 06:28:28,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:28:28,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:28,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:28:28,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:28:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:28,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:28,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:28,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 06:28:28,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 06:28:28,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-02 06:28:28,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 06:28:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:28,962 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-02 06:28:28,962 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:28,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1444757268, now seen corresponding path program 2 times [2021-06-02 06:28:28,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:28,963 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479688218] [2021-06-02 06:28:28,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:29,076 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:29,076 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479688218] [2021-06-02 06:28:29,076 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479688218] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:29,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:29,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:28:29,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373999690] [2021-06-02 06:28:29,077 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:28:29,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:29,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:28:29,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:28:29,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:29,078 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:29,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:29,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:29,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:29,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:29,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-02 06:28:29,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 06:28:29,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 06:28:29,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-02 06:28:29,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:28:29,996 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-02 06:28:29,997 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:28:29,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:28:29,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1185730584, now seen corresponding path program 1 times [2021-06-02 06:28:29,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:28:29,997 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655999645] [2021-06-02 06:28:29,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:28:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:28:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:28:30,097 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:28:30,097 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655999645] [2021-06-02 06:28:30,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655999645] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:28:30,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:28:30,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:28:30,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226208156] [2021-06-02 06:28:30,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:28:30,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:28:30,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:28:30,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:28:30,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:30,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:28:30,099 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:28:30,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:28:30,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:28:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:28:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:28:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-02 06:28:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:28:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:28:30,401 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-02 06:28:30,416 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:28:30,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:28:30 BasicIcfg [2021-06-02 06:28:30,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:28:30,419 INFO L168 Benchmark]: Toolchain (without parser) took 5080.95 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 332.9 MB in the beginning and 222.0 MB in the end (delta: 110.9 MB). Peak memory consumption was 189.4 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:30,419 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 371.2 MB. Free memory was 351.3 MB in the beginning and 351.2 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:28:30,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.68 ms. Allocated memory is still 371.2 MB. Free memory was 332.7 MB in the beginning and 333.1 MB in the end (delta: -437.9 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:30,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.40 ms. Allocated memory is still 371.2 MB. Free memory was 333.1 MB in the beginning and 331.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:30,420 INFO L168 Benchmark]: Boogie Preprocessor took 18.79 ms. Allocated memory is still 371.2 MB. Free memory was 331.0 MB in the beginning and 330.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:30,421 INFO L168 Benchmark]: RCFGBuilder took 494.60 ms. Allocated memory is still 371.2 MB. Free memory was 330.0 MB in the beginning and 304.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:30,424 INFO L168 Benchmark]: TraceAbstraction took 4048.31 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 304.8 MB in the beginning and 222.0 MB in the end (delta: 82.8 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. [2021-06-02 06:28:30,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 371.2 MB. Free memory was 351.3 MB in the beginning and 351.2 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 478.68 ms. Allocated memory is still 371.2 MB. Free memory was 332.7 MB in the beginning and 333.1 MB in the end (delta: -437.9 kB). Peak memory consumption was 8.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.40 ms. Allocated memory is still 371.2 MB. Free memory was 333.1 MB in the beginning and 331.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.79 ms. Allocated memory is still 371.2 MB. Free memory was 331.0 MB in the beginning and 330.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 494.60 ms. Allocated memory is still 371.2 MB. Free memory was 330.0 MB in the beginning and 304.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4048.31 ms. Allocated memory was 371.2 MB in the beginning and 446.7 MB in the end (delta: 75.5 MB). Free memory was 304.8 MB in the beginning and 222.0 MB in the end (delta: 82.8 MB). Peak memory consumption was 159.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10328, positive: 9952, positive conditional: 9952, positive unconditional: 0, negative: 376, negative conditional: 376, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 10222, positive: 9952, positive conditional: 9952, positive unconditional: 0, negative: 270, negative conditional: 270, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 20643, positive: 19983, positive conditional: 0, positive unconditional: 19983, negative: 660, negative conditional: 0, negative unconditional: 660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2689, positive: 2644, positive conditional: 0, positive unconditional: 2644, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2689, positive: 2622, positive conditional: 0, positive unconditional: 2622, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20643, positive: 17339, positive conditional: 0, positive unconditional: 17339, negative: 615, negative conditional: 0, negative unconditional: 615, unknown: 2689, unknown conditional: 0, unknown unconditional: 2689] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294, SemanticConditionEliminator.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2839, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 2541, negative conditional: 247, negative unconditional: 2294, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2839, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 2520, negative conditional: 226, negative unconditional: 2294, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45, Eliminated conditions: 2294 ], Maximal queried relation: 8, Independence queries for same thread: 106 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 921, Number of persistent set computation: 2728, Number of trivial persistent sets: 1743, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 20643, positive: 19983, positive conditional: 0, positive unconditional: 19983, negative: 660, negative conditional: 0, negative unconditional: 660, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2689, positive: 2644, positive conditional: 0, positive unconditional: 2644, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2689, positive: 2622, positive conditional: 0, positive unconditional: 2622, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 113, positive: 47, positive conditional: 25, positive unconditional: 22, negative: 66, negative conditional: 21, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 318, positive: 162, positive conditional: 35, positive unconditional: 128, negative: 156, negative conditional: 45, negative unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20643, positive: 17339, positive conditional: 0, positive unconditional: 17339, negative: 615, negative conditional: 0, negative unconditional: 615, unknown: 2689, unknown conditional: 0, unknown unconditional: 2689] , Statistics on independence cache: Total cache size (in pairs): 2735, Positive cache size: 2669, Positive conditional cache size: 25, Positive unconditional cache size: 2644, Negative cache size: 66, Negative conditional cache size: 21, Negative unconditional cache size: 45 - PositiveResult [Line: 18]: 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 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3930.6ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.7ms, PartialOrderReductionTime: 2575.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 76, 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: 22.3ms SsaConstructionTime, 172.9ms SatisfiabilityAnalysisTime, 915.8ms InterpolantComputationTime, 442 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 1064 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...