/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 03:24:53,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 03:24:53,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 03:24:53,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 03:24:53,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 03:24:53,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 03:24:53,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 03:24:53,374 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-Persistent-NoLbe.epf [2021-07-10 03:24:53,414 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 03:24:53,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 03:24:53,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 03:24:53,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 03:24:53,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 03:24:53,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 03:24:53,418 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 03:24:53,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 03:24:53,418 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 03:24:53,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 03:24:53,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 03:24:53,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 03:24:53,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 03:24:53,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 03:24:53,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 03:24:53,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 03:24:53,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 03:24:53,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 03:24:53,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 03:24:53,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 03:24:53,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 03:24:53,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 03:24:53,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 03:24:53,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 03:24:53,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 03:24:53,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 03:24:53,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 03:24:53,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 03:24:53,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 03:24:53,422 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 03:24:53,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 03:24:53,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 03:24:53,423 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-10 03:24:53,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 03:24:53,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 03:24:53,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 03:24:53,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 03:24:53,719 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 03:24:53,720 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 03:24:53,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_pso.opt.i [2021-07-10 03:24:53,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c044d775/2c89ec34a94345b3b3d893f89b1fa9fc/FLAGb5d9b5a1e [2021-07-10 03:24:54,341 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 03:24:54,341 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_pso.opt.i [2021-07-10 03:24:54,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c044d775/2c89ec34a94345b3b3d893f89b1fa9fc/FLAGb5d9b5a1e [2021-07-10 03:24:54,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c044d775/2c89ec34a94345b3b3d893f89b1fa9fc [2021-07-10 03:24:54,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 03:24:54,656 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 03:24:54,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 03:24:54,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 03:24:54,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 03:24:54,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:24:54" (1/1) ... [2021-07-10 03:24:54,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6673f149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:54, skipping insertion in model container [2021-07-10 03:24:54,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 03:24:54" (1/1) ... [2021-07-10 03:24:54,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 03:24:54,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 03:24:54,941 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/safe025_pso.opt.i[949,962] [2021-07-10 03:24:55,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 03:24:55,125 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 03:24:55,136 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/safe025_pso.opt.i[949,962] [2021-07-10 03:24:55,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 03:24:55,217 INFO L208 MainTranslator]: Completed translation [2021-07-10 03:24:55,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55 WrapperNode [2021-07-10 03:24:55,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 03:24:55,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 03:24:55,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 03:24:55,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 03:24:55,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 03:24:55,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 03:24:55,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 03:24:55,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 03:24:55,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (1/1) ... [2021-07-10 03:24:55,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 03:24:55,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 03:24:55,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 03:24:55,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 03:24:55,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (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 03:24:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 03:24:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 03:24:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 03:24:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 03:24:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 03:24:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 03:24:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 03:24:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 03:24:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-10 03:24:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-10 03:24:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 03:24:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 03:24:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 03:24:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 03:24:55,404 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 03:24:55,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 03:24:55,789 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 03:24:55,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:24:55 BoogieIcfgContainer [2021-07-10 03:24:55,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 03:24:55,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 03:24:55,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 03:24:55,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 03:24:55,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 03:24:54" (1/3) ... [2021-07-10 03:24:55,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66108c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:24:55, skipping insertion in model container [2021-07-10 03:24:55,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 03:24:55" (2/3) ... [2021-07-10 03:24:55,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66108c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 03:24:55, skipping insertion in model container [2021-07-10 03:24:55,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 03:24:55" (3/3) ... [2021-07-10 03:24:55,797 INFO L111 eAbstractionObserver]: Analyzing ICFG safe025_pso.opt.i [2021-07-10 03:24:55,802 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 03:24:55,802 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 03:24:55,802 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 03:24:55,803 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 03:24:55,824 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,825 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,825 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,826 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,826 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,827 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,828 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,828 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,828 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,828 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,830 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,830 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,830 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,831 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,831 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,833 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,834 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,838 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,838 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,840 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,840 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 03:24:55,842 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 03:24:55,860 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 [2021-07-10 03:24:55,917 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 03:24:55,917 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 03:24:55,918 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 03:24:55,918 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 03:24:55,918 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 03:24:55,918 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 03:24:55,918 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 03:24:55,918 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 03:24:56,122 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:56,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:56,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1244235421, now seen corresponding path program 1 times [2021-07-10 03:24:56,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:56,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480936704] [2021-07-10 03:24:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:56,367 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 03:24:56,368 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:56,368 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480936704] [2021-07-10 03:24:56,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480936704] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:56,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:56,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 03:24:56,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441405882] [2021-07-10 03:24:56,376 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 03:24:56,376 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:56,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 03:24:56,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 03:24:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:56,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:56,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 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 03:24:56,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:56,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:56,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 03:24:56,408 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:56,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:56,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1943773822, now seen corresponding path program 1 times [2021-07-10 03:24:56,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:56,412 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800602056] [2021-07-10 03:24:56,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:56,651 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 03:24:56,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:56,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800602056] [2021-07-10 03:24:56,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800602056] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:56,652 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:56,652 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 03:24:56,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396640001] [2021-07-10 03:24:56,653 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 03:24:56,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:56,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 03:24:56,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 03:24:56,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:56,655 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:56,655 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) [2021-07-10 03:24:56,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:56,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:56,887 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 03:24:56,887 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:56,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:56,887 INFO L82 PathProgramCache]: Analyzing trace with hash 2118708965, now seen corresponding path program 1 times [2021-07-10 03:24:56,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:56,888 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524976380] [2021-07-10 03:24:56,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:57,066 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 03:24:57,067 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:57,067 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524976380] [2021-07-10 03:24:57,067 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524976380] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:57,067 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:57,067 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 03:24:57,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983099119] [2021-07-10 03:24:57,068 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 03:24:57,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:57,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 03:24:57,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 03:24:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,069 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:57,069 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) [2021-07-10 03:24:57,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:57,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:57,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:57,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 03:24:57,217 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:57,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:57,218 INFO L82 PathProgramCache]: Analyzing trace with hash 180911588, now seen corresponding path program 1 times [2021-07-10 03:24:57,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:57,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58246679] [2021-07-10 03:24:57,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:57,403 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 03:24:57,403 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:57,403 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58246679] [2021-07-10 03:24:57,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58246679] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:57,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:57,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 03:24:57,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790519535] [2021-07-10 03:24:57,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 03:24:57,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:57,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 03:24:57,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-10 03:24:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:57,406 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) [2021-07-10 03:24:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:57,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:24:57,590 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 03:24:57,590 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:57,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:57,591 INFO L82 PathProgramCache]: Analyzing trace with hash -436740165, now seen corresponding path program 1 times [2021-07-10 03:24:57,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:57,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647950707] [2021-07-10 03:24:57,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:57,754 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 03:24:57,755 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:57,755 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647950707] [2021-07-10 03:24:57,755 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647950707] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:57,755 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:57,755 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 03:24:57,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222962207] [2021-07-10 03:24:57,756 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 03:24:57,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:57,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 03:24:57,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 03:24:57,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,757 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:57,757 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) [2021-07-10 03:24:57,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:57,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:57,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:24:57,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:57,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:24:57,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:24:57,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 03:24:57,925 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:57,926 INFO L82 PathProgramCache]: Analyzing trace with hash -2093675080, now seen corresponding path program 1 times [2021-07-10 03:24:57,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:57,926 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63357400] [2021-07-10 03:24:57,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:58,023 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 03:24:58,023 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:58,023 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63357400] [2021-07-10 03:24:58,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63357400] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:58,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:58,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 03:24:58,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031818235] [2021-07-10 03:24:58,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 03:24:58,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:58,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 03:24:58,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-07-10 03:24:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:58,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:24:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:24:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 03:24:58,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:58,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:58,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:24:58,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-10 03:24:58,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:24:58,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-10 03:24:58,265 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:58,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:58,265 INFO L82 PathProgramCache]: Analyzing trace with hash -302595814, now seen corresponding path program 2 times [2021-07-10 03:24:58,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:58,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341497520] [2021-07-10 03:24:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 03:24:58,390 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:58,390 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341497520] [2021-07-10 03:24:58,391 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341497520] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:58,391 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:58,391 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 03:24:58,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759901778] [2021-07-10 03:24:58,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 03:24:58,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:58,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 03:24:58,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-10 03:24:58,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:58,394 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:24:58,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:58,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:58,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 03:24:58,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-10 03:24:58,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:24:58,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:58,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:24:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:24:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:24:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:58,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-10 03:24:58,907 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:58,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:58,908 INFO L82 PathProgramCache]: Analyzing trace with hash -320343354, now seen corresponding path program 3 times [2021-07-10 03:24:58,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:58,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826679877] [2021-07-10 03:24:58,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:59,003 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 03:24:59,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:59,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826679877] [2021-07-10 03:24:59,003 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826679877] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:59,003 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:59,003 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 03:24:59,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271126877] [2021-07-10 03:24:59,004 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 03:24:59,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:59,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 03:24:59,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-10 03:24:59,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,005 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:59,005 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:24:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:24:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:24:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-10 03:24:59,149 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 03:24:59,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 03:24:59,149 INFO L82 PathProgramCache]: Analyzing trace with hash 2138169276, now seen corresponding path program 4 times [2021-07-10 03:24:59,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 03:24:59,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601056100] [2021-07-10 03:24:59,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 03:24:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 03:24:59,269 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 03:24:59,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 03:24:59,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601056100] [2021-07-10 03:24:59,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601056100] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 03:24:59,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 03:24:59,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 03:24:59,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466343932] [2021-07-10 03:24:59,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 03:24:59,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 03:24:59,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 03:24:59,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-10 03:24:59,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 03:24:59,272 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 03:24:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:24:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:24:59,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:24:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 03:24:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 03:24:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 03:24:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 03:24:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 03:24:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 03:24:59,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 03:24:59,440 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-10 03:24:59,449 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 03:24:59,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 03:24:59 BasicIcfg [2021-07-10 03:24:59,451 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 03:24:59,452 INFO L168 Benchmark]: Toolchain (without parser) took 4795.62 ms. Allocated memory was 255.9 MB in the beginning and 312.5 MB in the end (delta: 56.6 MB). Free memory was 218.6 MB in the beginning and 177.0 MB in the end (delta: 41.6 MB). Peak memory consumption was 98.9 MB. Max. memory is 8.0 GB. [2021-07-10 03:24:59,452 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory is still 236.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 03:24:59,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.31 ms. Allocated memory is still 255.9 MB. Free memory was 218.4 MB in the beginning and 228.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. [2021-07-10 03:24:59,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.16 ms. Allocated memory is still 255.9 MB. Free memory was 228.9 MB in the beginning and 226.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 03:24:59,453 INFO L168 Benchmark]: Boogie Preprocessor took 42.81 ms. Allocated memory is still 255.9 MB. Free memory was 226.8 MB in the beginning and 225.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 03:24:59,453 INFO L168 Benchmark]: RCFGBuilder took 469.38 ms. Allocated memory is still 255.9 MB. Free memory was 225.6 MB in the beginning and 201.1 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-10 03:24:59,453 INFO L168 Benchmark]: TraceAbstraction took 3659.13 ms. Allocated memory was 255.9 MB in the beginning and 312.5 MB in the end (delta: 56.6 MB). Free memory was 200.6 MB in the beginning and 177.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 81.2 MB. Max. memory is 8.0 GB. [2021-07-10 03:24:59,454 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 255.9 MB. Free memory is still 236.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 559.31 ms. Allocated memory is still 255.9 MB. Free memory was 218.4 MB in the beginning and 228.9 MB in the end (delta: -10.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 58.16 ms. Allocated memory is still 255.9 MB. Free memory was 228.9 MB in the beginning and 226.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.81 ms. Allocated memory is still 255.9 MB. Free memory was 226.8 MB in the beginning and 225.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 469.38 ms. Allocated memory is still 255.9 MB. Free memory was 225.6 MB in the beginning and 201.1 MB in the end (delta: 24.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3659.13 ms. Allocated memory was 255.9 MB in the beginning and 312.5 MB in the end (delta: 56.6 MB). Free memory was 200.6 MB in the beginning and 177.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 81.2 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: 5439, positive: 5393, positive conditional: 0, positive unconditional: 5393, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5439, positive: 5393, positive conditional: 0, positive unconditional: 5393, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5439, positive: 5393, positive conditional: 0, positive unconditional: 5393, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1208, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1208, positive: 1174, positive conditional: 0, positive unconditional: 1174, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5439, positive: 4213, positive conditional: 0, positive unconditional: 4213, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 1208, unknown conditional: 0, unknown unconditional: 1208] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0 ], Maximal queried relation: 7, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 299, Number of persistent set computation: 888, Number of trivial persistent sets: 89, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5439, positive: 5393, positive conditional: 0, positive unconditional: 5393, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5439, positive: 5393, positive conditional: 0, positive unconditional: 5393, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5439, positive: 5393, positive conditional: 0, positive unconditional: 5393, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1208, positive: 1180, positive conditional: 0, positive unconditional: 1180, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1208, positive: 1174, positive conditional: 0, positive unconditional: 1174, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5439, positive: 4213, positive conditional: 0, positive unconditional: 4213, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 1208, unknown conditional: 0, unknown unconditional: 1208] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 153, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1208, Positive cache size: 1180, Positive conditional cache size: 0, Positive unconditional cache size: 1180, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28, Eliminated conditions: 0 ], Maximal queried relation: 7, Independence queries for same thread: 0 - 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: 3569.5ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.9ms, PartialOrderReductionTime: 1981.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 83, 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: 35.6ms SsaConstructionTime, 261.7ms SatisfiabilityAnalysisTime, 1020.7ms InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 508 ConstructedInterpolants, 0 QuantifiedInterpolants, 1648 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...