/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 05:05:08,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:05:08,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:05:08,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:05:08,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 05:05:08,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 05:05:08,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 05:05:08,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 05:05:08,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 05:05:08,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 05:05:08,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 05:05:08,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 05:05:08,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 05:05:08,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 05:05:08,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 05:05:08,274 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.epf [2021-07-10 05:05:08,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:05:08,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:05:08,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:05:08,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:05:08,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:05:08,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:05:08,329 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:05:08,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:05:08,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:05:08,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:05:08,331 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:05:08,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:05:08,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:05:08,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:05:08,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:05:08,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:05:08,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:05:08,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:05:08,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:05:08,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:05:08,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:05:08,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:05:08,333 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:05:08,333 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:05:08,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:05:08,333 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:05:08,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:05:08,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:05:08,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:05:08,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:05:08,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 05:05:08,639 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 05:05:08,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2021-07-10 05:05:08,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd10a7e3/2c70ffd942e343deae602e9a8d3fd181/FLAGfd185ada3 [2021-07-10 05:05:09,160 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 05:05:09,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe022_tso.opt.i [2021-07-10 05:05:09,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd10a7e3/2c70ffd942e343deae602e9a8d3fd181/FLAGfd185ada3 [2021-07-10 05:05:09,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afd10a7e3/2c70ffd942e343deae602e9a8d3fd181 [2021-07-10 05:05:09,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:05:09,191 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 05:05:09,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 05:05:09,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 05:05:09,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 05:05:09,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3b0d26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09, skipping insertion in model container [2021-07-10 05:05:09,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 05:05:09,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 05:05:09,407 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/safe022_tso.opt.i[949,962] [2021-07-10 05:05:09,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 05:05:09,539 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 05:05:09,547 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/safe022_tso.opt.i[949,962] [2021-07-10 05:05:09,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 05:05:09,600 INFO L208 MainTranslator]: Completed translation [2021-07-10 05:05:09,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09 WrapperNode [2021-07-10 05:05:09,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 05:05:09,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:05:09,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:05:09,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:05:09,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:05:09,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:05:09,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:05:09,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:05:09,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... [2021-07-10 05:05:09,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:05:09,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:05:09,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:05:09,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:05:09,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:05:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 05:05:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 05:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 05:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 05:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 05:05:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 05:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 05:05:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 05:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 05:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 05:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:05:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:05:09,742 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 05:05:10,008 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:05:10,009 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 05:05:10,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:05:10 BoogieIcfgContainer [2021-07-10 05:05:10,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:05:10,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:05:10,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:05:10,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:05:10,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 05:05:09" (1/3) ... [2021-07-10 05:05:10,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354c0985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:05:10, skipping insertion in model container [2021-07-10 05:05:10,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:05:09" (2/3) ... [2021-07-10 05:05:10,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@354c0985 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:05:10, skipping insertion in model container [2021-07-10 05:05:10,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:05:10" (3/3) ... [2021-07-10 05:05:10,016 INFO L111 eAbstractionObserver]: Analyzing ICFG safe022_tso.opt.i [2021-07-10 05:05:10,019 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:05:10,020 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:05:10,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:05:10,020 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:05:10,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,037 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,037 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,038 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,038 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,039 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,040 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,041 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,042 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,045 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,046 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:05:10,047 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 05:05:10,063 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 05:05:10,127 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:05:10,127 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:05:10,127 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:05:10,127 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:05:10,127 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:05:10,127 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:05:10,128 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:05:10,128 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 05:05:10,256 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:05:10,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:05:10,262 INFO L82 PathProgramCache]: Analyzing trace with hash 2007871580, now seen corresponding path program 1 times [2021-07-10 05:05:10,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:05:10,268 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148120682] [2021-07-10 05:05:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:05:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:05:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:05:10,445 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:05:10,445 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148120682] [2021-07-10 05:05:10,445 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148120682] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:05:10,445 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:05:10,445 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 05:05:10,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873597622] [2021-07-10 05:05:10,450 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 05:05:10,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:05:10,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 05:05:10,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 05:05:10,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:05:10,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:05:10,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,478 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:05:10,478 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:05:10,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:05:10,481 INFO L82 PathProgramCache]: Analyzing trace with hash -593502858, now seen corresponding path program 1 times [2021-07-10 05:05:10,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:05:10,482 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296367474] [2021-07-10 05:05:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:05:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:05:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:05:10,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:05:10,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296367474] [2021-07-10 05:05:10,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296367474] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:05:10,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:05:10,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 05:05:10,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833854882] [2021-07-10 05:05:10,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 05:05:10,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:05:10,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 05:05:10,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-10 05:05:10,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,708 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:05:10,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:05:10,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:05:10,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 05:05:10,843 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:05:10,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:05:10,849 INFO L82 PathProgramCache]: Analyzing trace with hash 348612918, now seen corresponding path program 1 times [2021-07-10 05:05:10,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:05:10,849 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950566233] [2021-07-10 05:05:10,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:05:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:05:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:05:10,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:05:10,990 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950566233] [2021-07-10 05:05:10,991 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950566233] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:05:10,991 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:05:10,991 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 05:05:10,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514589451] [2021-07-10 05:05:10,992 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 05:05:10,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:05:10,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 05:05:10,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 05:05:10,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,993 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:05:10,993 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:05:10,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:10,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:05:10,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:05:11,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,087 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 05:05:11,087 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:05:11,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:05:11,088 INFO L82 PathProgramCache]: Analyzing trace with hash 813179506, now seen corresponding path program 1 times [2021-07-10 05:05:11,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:05:11,089 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435527419] [2021-07-10 05:05:11,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:05:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:05:11,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:05:11,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:05:11,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435527419] [2021-07-10 05:05:11,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435527419] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:05:11,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:05:11,171 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 05:05:11,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093568093] [2021-07-10 05:05:11,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 05:05:11,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:05:11,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 05:05:11,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 05:05:11,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,172 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:05:11,172 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 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) [2021-07-10 05:05:11,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:05:11,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:05:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 05:05:11,253 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:05:11,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:05:11,254 INFO L82 PathProgramCache]: Analyzing trace with hash 793711752, now seen corresponding path program 2 times [2021-07-10 05:05:11,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:05:11,254 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000781613] [2021-07-10 05:05:11,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:05:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:05:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:05:11,327 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:05:11,327 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000781613] [2021-07-10 05:05:11,328 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000781613] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:05:11,328 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:05:11,328 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 05:05:11,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289750445] [2021-07-10 05:05:11,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 05:05:11,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:05:11,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 05:05:11,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-10 05:05:11,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:05:11,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 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) [2021-07-10 05:05:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:05:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:05:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:05:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:05:11,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:05:11,396 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 05:05:11,404 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 05:05:11,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 05:05:11 BasicIcfg [2021-07-10 05:05:11,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 05:05:11,406 INFO L168 Benchmark]: Toolchain (without parser) took 2215.00 ms. Allocated memory is still 182.5 MB. Free memory was 146.1 MB in the beginning and 71.9 MB in the end (delta: 74.2 MB). Peak memory consumption was 73.4 MB. Max. memory is 8.0 GB. [2021-07-10 05:05:11,406 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 182.5 MB. Free memory is still 164.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 05:05:11,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.83 ms. Allocated memory is still 182.5 MB. Free memory was 145.9 MB in the beginning and 156.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 05:05:11,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.39 ms. Allocated memory is still 182.5 MB. Free memory was 156.0 MB in the beginning and 154.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 05:05:11,407 INFO L168 Benchmark]: Boogie Preprocessor took 14.74 ms. Allocated memory is still 182.5 MB. Free memory was 154.4 MB in the beginning and 152.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:05:11,407 INFO L168 Benchmark]: RCFGBuilder took 356.44 ms. Allocated memory is still 182.5 MB. Free memory was 152.9 MB in the beginning and 131.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:05:11,407 INFO L168 Benchmark]: TraceAbstraction took 1393.89 ms. Allocated memory is still 182.5 MB. Free memory was 130.8 MB in the beginning and 71.9 MB in the end (delta: 58.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:05:11,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 182.5 MB. Free memory is still 164.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 407.83 ms. Allocated memory is still 182.5 MB. Free memory was 145.9 MB in the beginning and 156.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.39 ms. Allocated memory is still 182.5 MB. Free memory was 156.0 MB in the beginning and 154.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.74 ms. Allocated memory is still 182.5 MB. Free memory was 154.4 MB in the beginning and 152.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 356.44 ms. Allocated memory is still 182.5 MB. Free memory was 152.9 MB in the beginning and 131.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1393.89 ms. Allocated memory is still 182.5 MB. Free memory was 130.8 MB in the beginning and 71.9 MB in the end (delta: 58.9 MB). Peak memory consumption was 60.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2735, positive: 2684, positive conditional: 623, positive unconditional: 2061, negative: 51, negative conditional: 28, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2723, positive: 2684, positive conditional: 623, positive unconditional: 2061, negative: 39, negative conditional: 16, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2723, positive: 2665, positive conditional: 0, positive unconditional: 2665, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 563, positive: 550, positive conditional: 0, positive unconditional: 550, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 563, positive: 548, positive conditional: 0, positive unconditional: 548, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2723, positive: 2115, positive conditional: 0, positive unconditional: 2115, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 563, unknown conditional: 0, unknown unconditional: 563] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89 ], Maximal queried relation: 5, Independence queries for same thread: 12 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 129, Number of persistent set computation: 87, Number of trivial persistent sets: 40, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2735, positive: 2684, positive conditional: 623, positive unconditional: 2061, negative: 51, negative conditional: 28, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2723, positive: 2684, positive conditional: 623, positive unconditional: 2061, negative: 39, negative conditional: 16, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2723, positive: 2665, positive conditional: 0, positive unconditional: 2665, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 563, positive: 550, positive conditional: 0, positive unconditional: 550, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 563, positive: 548, positive conditional: 0, positive unconditional: 548, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2723, positive: 2115, positive conditional: 0, positive unconditional: 2115, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 563, unknown conditional: 0, unknown unconditional: 563] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89, SemanticConditionEliminator.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 19, positive conditional: 19, positive unconditional: 0, negative: 144, negative conditional: 5, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 2, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 82, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 75, negative conditional: 12, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 163, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 142, negative conditional: 3, negative unconditional: 139, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 567, Positive cache size: 552, Positive conditional cache size: 2, Positive unconditional cache size: 550, Negative cache size: 15, Negative conditional cache size: 2, Negative unconditional cache size: 13, Eliminated conditions: 89 ], Maximal queried relation: 5, Independence queries for same thread: 12 - 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 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1329.0ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 496.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 31, 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: 17.9ms SsaConstructionTime, 133.4ms SatisfiabilityAnalysisTime, 455.2ms InterpolantComputationTime, 227 NumberOfCodeBlocks, 227 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 792 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...