/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-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 11:01:07,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 11:01:07,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 11:01:07,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 11:01:07,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 11:01:07,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 11:01:07,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 11:01:07,625 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-NewStatesSleepUncond-NoLbe.epf [2021-08-22 11:01:07,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 11:01:07,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 11:01:07,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 11:01:07,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 11:01:07,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 11:01:07,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 11:01:07,644 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 11:01:07,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 11:01:07,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 11:01:07,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 11:01:07,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 11:01:07,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 11:01:07,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 11:01:07,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 11:01:07,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 11:01:07,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 11:01:07,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 11:01:07,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 11:01:07,647 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 11:01:07,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 11:01:07,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 11:01:07,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 11:01:07,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 11:01:07,911 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 11:01:07,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i [2021-08-22 11:01:07,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4a1b48b/4a7031d1775b4f2bbff2bbfad1204f3c/FLAG38beee9ec [2021-08-22 11:01:08,401 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 11:01:08,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i [2021-08-22 11:01:08,415 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4a1b48b/4a7031d1775b4f2bbff2bbfad1204f3c/FLAG38beee9ec [2021-08-22 11:01:08,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4a1b48b/4a7031d1775b4f2bbff2bbfad1204f3c [2021-08-22 11:01:08,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 11:01:08,429 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 11:01:08,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 11:01:08,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 11:01:08,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 11:01:08,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73703be2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08, skipping insertion in model container [2021-08-22 11:01:08,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 11:01:08,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 11:01:08,561 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i[948,961] [2021-08-22 11:01:08,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 11:01:08,772 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 11:01:08,782 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i[948,961] [2021-08-22 11:01:08,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 11:01:08,858 INFO L208 MainTranslator]: Completed translation [2021-08-22 11:01:08,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08 WrapperNode [2021-08-22 11:01:08,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 11:01:08,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 11:01:08,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 11:01:08,859 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 11:01:08,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 11:01:08,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 11:01:08,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 11:01:08,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 11:01:08,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 11:01:08,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 11:01:08,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 11:01:08,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 11:01:08,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (1/1) ... [2021-08-22 11:01:08,984 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 11:01:08,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 11:01:09,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-22 11:01:09,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-22 11:01:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 11:01:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-22 11:01:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 11:01:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 11:01:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-22 11:01:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-22 11:01:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-22 11:01:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-22 11:01:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-22 11:01:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-22 11:01:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 11:01:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-22 11:01:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 11:01:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 11:01:09,032 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 11:01:10,354 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 11:01:10,355 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-22 11:01:10,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:01:10 BoogieIcfgContainer [2021-08-22 11:01:10,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 11:01:10,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 11:01:10,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 11:01:10,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 11:01:10,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 11:01:08" (1/3) ... [2021-08-22 11:01:10,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d835e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:01:10, skipping insertion in model container [2021-08-22 11:01:10,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 11:01:08" (2/3) ... [2021-08-22 11:01:10,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d835e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 11:01:10, skipping insertion in model container [2021-08-22 11:01:10,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 11:01:10" (3/3) ... [2021-08-22 11:01:10,362 INFO L111 eAbstractionObserver]: Analyzing ICFG mix056_rmo.opt.i [2021-08-22 11:01:10,365 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 11:01:10,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 11:01:10,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-22 11:01:10,366 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 11:01:10,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,391 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,395 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,396 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,397 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,397 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,398 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,402 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,402 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,408 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,408 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,409 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,410 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:10,412 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 11:01:10,441 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 11:01:10,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 11:01:10,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 11:01:10,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 11:01:10,480 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 11:01:10,484 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 11:01:10,484 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-22 11:01:10,543 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:10,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:10,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1740370343, now seen corresponding path program 1 times [2021-08-22 11:01:10,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:10,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672405426] [2021-08-22 11:01:10,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:10,556 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 11:01:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 11:01:10,767 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 11:01:10,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672405426] [2021-08-22 11:01:10,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672405426] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 11:01:10,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 11:01:10,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 11:01:10,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005866283] [2021-08-22 11:01:10,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 11:01:10,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 11:01:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 11:01:10,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 11:01:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:10,789 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 11:01:10,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 11:01:10,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:10,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 11:01:10,810 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:10,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:10,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1337933178, now seen corresponding path program 1 times [2021-08-22 11:01:10,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:10,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491915695] [2021-08-22 11:01:10,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:10,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 11:01:10,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 11:01:10,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 11:01:10,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491915695] [2021-08-22 11:01:10,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491915695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 11:01:10,908 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 11:01:10,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 11:01:10,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127725150] [2021-08-22 11:01:10,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 11:01:10,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 11:01:10,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 11:01:10,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 11:01:10,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:10,912 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 11:01:10,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 11:01:10,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:10,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,056 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,072 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,072 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,107 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,118 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite5_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:11,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 11:01:11,150 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:11,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:11,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1989832496, now seen corresponding path program 1 times [2021-08-22 11:01:11,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:11,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356876324] [2021-08-22 11:01:11,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:11,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 11:01:11,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 11:01:11,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 11:01:11,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356876324] [2021-08-22 11:01:11,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356876324] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 11:01:11,346 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 11:01:11,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 11:01:11,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994020323] [2021-08-22 11:01:11,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 11:01:11,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 11:01:11,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 11:01:11,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 11:01:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 11:01:11,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 11:01:11,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:11,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,569 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,570 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,571 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,571 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,587 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,587 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,587 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,588 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,589 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,589 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,589 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,612 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,612 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,612 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,612 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,612 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,613 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,614 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,636 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,637 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,637 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,637 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,637 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,637 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,637 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,637 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,638 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,638 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,638 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,638 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,638 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,673 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,673 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,698 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,699 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:11,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:11,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 11:01:11,721 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:11,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:11,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1243953985, now seen corresponding path program 1 times [2021-08-22 11:01:11,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:11,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47393598] [2021-08-22 11:01:11,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:11,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 11:01:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 11:01:11,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 11:01:11,861 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47393598] [2021-08-22 11:01:11,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47393598] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 11:01:11,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 11:01:11,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 11:01:11,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205228781] [2021-08-22 11:01:11,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 11:01:11,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 11:01:11,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 11:01:11,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 11:01:11,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,864 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 11:01:11,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 11:01:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:11,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,935 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,935 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,936 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,937 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,937 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,958 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,958 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite48_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite49_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_149 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,959 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,960 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 11:01:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:11,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:11,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:11,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 11:01:11,977 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:11,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:11,978 INFO L82 PathProgramCache]: Analyzing trace with hash -15653067, now seen corresponding path program 1 times [2021-08-22 11:01:11,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:11,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132914552] [2021-08-22 11:01:11,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:11,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 11:01:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 11:01:12,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 11:01:12,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132914552] [2021-08-22 11:01:12,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132914552] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 11:01:12,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 11:01:12,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 11:01:12,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628856612] [2021-08-22 11:01:12,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 11:01:12,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 11:01:12,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 11:01:12,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 11:01:12,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,112 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 11:01:12,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 11:01:12,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:12,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:12,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 11:01:12,395 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:12,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:12,396 INFO L82 PathProgramCache]: Analyzing trace with hash 861891783, now seen corresponding path program 2 times [2021-08-22 11:01:12,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:12,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171284901] [2021-08-22 11:01:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:12,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 11:01:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 11:01:12,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 11:01:12,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171284901] [2021-08-22 11:01:12,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171284901] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 11:01:12,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 11:01:12,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-22 11:01:12,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384929771] [2021-08-22 11:01:12,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 11:01:12,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 11:01:12,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 11:01:12,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-22 11:01:12,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,497 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 11:01:12,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 11:01:12,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:12,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:12,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:12,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 11:01:12,598 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:12,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:12,598 INFO L82 PathProgramCache]: Analyzing trace with hash 678095301, now seen corresponding path program 1 times [2021-08-22 11:01:12,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:12,598 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919258121] [2021-08-22 11:01:12,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:12,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 11:01:12,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 11:01:12,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 11:01:12,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919258121] [2021-08-22 11:01:12,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919258121] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 11:01:12,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 11:01:12,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-08-22 11:01:12,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403188842] [2021-08-22 11:01:12,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-08-22 11:01:12,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 11:01:12,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-08-22 11:01:12,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-08-22 11:01:12,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,938 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 11:01:12,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.538461538461538) internal successors, (85), 13 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 11:01:12,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:12,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:12,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:12,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:12,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:12,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:13,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 11:01:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 11:01:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-22 11:01:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-22 11:01:13,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-22 11:01:13,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-22 11:01:13,284 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-22 11:01:13,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 11:01:13,285 INFO L82 PathProgramCache]: Analyzing trace with hash -911665399, now seen corresponding path program 2 times [2021-08-22 11:01:13,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 11:01:13,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139367046] [2021-08-22 11:01:13,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 11:01:13,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 11:01:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 11:01:13,317 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 11:01:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 11:01:13,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 11:01:13,390 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 11:01:13,391 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 11:01:13,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 11:01:13,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 11:01:13,392 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 11:01:13,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 11:01:13,393 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 11:01:13,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-22 11:01:13,401 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 11:01:13,402 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 11:01:13,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 11:01:13 BasicIcfg [2021-08-22 11:01:13,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 11:01:13,526 INFO L168 Benchmark]: Toolchain (without parser) took 5097.31 ms. Allocated memory was 219.2 MB in the beginning and 442.5 MB in the end (delta: 223.3 MB). Free memory was 182.3 MB in the beginning and 252.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 153.0 MB. Max. memory is 8.0 GB. [2021-08-22 11:01:13,527 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 219.2 MB. Free memory was 200.5 MB in the beginning and 200.4 MB in the end (delta: 84.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 11:01:13,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.74 ms. Allocated memory is still 219.2 MB. Free memory was 182.2 MB in the beginning and 190.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-08-22 11:01:13,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.94 ms. Allocated memory is still 219.2 MB. Free memory was 190.7 MB in the beginning and 187.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-22 11:01:13,528 INFO L168 Benchmark]: Boogie Preprocessor took 74.58 ms. Allocated memory is still 219.2 MB. Free memory was 187.5 MB in the beginning and 185.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 11:01:13,528 INFO L168 Benchmark]: RCFGBuilder took 1377.23 ms. Allocated memory was 219.2 MB in the beginning and 287.3 MB in the end (delta: 68.2 MB). Free memory was 184.9 MB in the beginning and 166.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 109.4 MB. Max. memory is 8.0 GB. [2021-08-22 11:01:13,528 INFO L168 Benchmark]: TraceAbstraction took 3167.65 ms. Allocated memory was 287.3 MB in the beginning and 442.5 MB in the end (delta: 155.2 MB). Free memory was 166.1 MB in the beginning and 252.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 68.8 MB. Max. memory is 8.0 GB. [2021-08-22 11:01:13,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 219.2 MB. Free memory was 200.5 MB in the beginning and 200.4 MB in the end (delta: 84.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 428.74 ms. Allocated memory is still 219.2 MB. Free memory was 182.2 MB in the beginning and 190.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.94 ms. Allocated memory is still 219.2 MB. Free memory was 190.7 MB in the beginning and 187.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 74.58 ms. Allocated memory is still 219.2 MB. Free memory was 187.5 MB in the beginning and 185.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1377.23 ms. Allocated memory was 219.2 MB in the beginning and 287.3 MB in the end (delta: 68.2 MB). Free memory was 184.9 MB in the beginning and 166.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 109.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3167.65 ms. Allocated memory was 287.3 MB in the beginning and 442.5 MB in the end (delta: 155.2 MB). Free memory was 166.1 MB in the beginning and 252.5 MB in the end (delta: -86.4 MB). Peak memory consumption was 68.8 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: 54793, positive: 53380, positive conditional: 53380, positive unconditional: 0, negative: 1413, negative conditional: 1413, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54630, positive: 53380, positive conditional: 0, positive unconditional: 53380, negative: 1250, negative conditional: 0, negative unconditional: 1250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 720, positive: 701, positive conditional: 0, positive unconditional: 701, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 720, positive: 697, positive conditional: 0, positive unconditional: 697, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 270, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 234, negative conditional: 0, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54630, positive: 52679, positive conditional: 0, positive unconditional: 52679, negative: 1231, negative conditional: 0, negative unconditional: 1231, unknown: 720, unknown conditional: 0, unknown unconditional: 720] , Statistics on independence cache: Total cache size (in pairs): 720, Positive cache size: 701, Positive conditional cache size: 0, Positive unconditional cache size: 701, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Independence queries for same thread: 163 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L712] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L713] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L715] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L717] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L718] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L719] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L720] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L721] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L722] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L723] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L728] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L729] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L730] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L731] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L732] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L733] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L735] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L813] 0 pthread_t t1504; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L814] FCALL, FORK 0 pthread_create(&t1504, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 0 pthread_t t1505; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] FCALL, FORK 0 pthread_create(&t1505, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t1506; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L818] FCALL, FORK 0 pthread_create(&t1506, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L776] 3 y$w_buff1 = y$w_buff0 [L777] 3 y$w_buff0 = 2 [L778] 3 y$w_buff1_used = y$w_buff0_used [L779] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L781] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L782] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L783] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L784] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L785] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L788] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L741] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L749] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L751] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L756] 2 x = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L759] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L791] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L800] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L762] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L762] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L763] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L763] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L764] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L765] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L766] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L769] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L824] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0) [L843] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] COND TRUE 0 !expression VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2959.7ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.0ms, PartialOrderReductionTime: 1514.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, 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: 34.3ms SsaConstructionTime, 352.2ms SatisfiabilityAnalysisTime, 755.4ms InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 1819 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 RESULT: Ultimate proved your program to be incorrect! [2021-08-22 11:01:13,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-22 11:01:13,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...