/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-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 16:38:57,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 16:38:57,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 16:38:57,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 16:38:58,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 16:38:58,054 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 16:38:58,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 16:38:58,056 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-MCRwithDepranks.epf [2022-02-09 16:38:58,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 16:38:58,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 16:38:58,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 16:38:58,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 16:38:58,075 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 16:38:58,075 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 16:38:58,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 16:38:58,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 16:38:58,076 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 16:38:58,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 16:38:58,076 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 16:38:58,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 16:38:58,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 16:38:58,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 16:38:58,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 16:38:58,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 16:38:58,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 16:38:58,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 16:38:58,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 16:38:58,079 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 16:38:58,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 16:38:58,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 16:38:58,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 16:38:58,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 16:38:58,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 16:38:58,269 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 16:38:58,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i [2022-02-09 16:38:58,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349fc1003/146ce1c9aff8405b8666f52c8c7e2434/FLAGbd3950c7d [2022-02-09 16:38:58,730 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 16:38:58,730 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i [2022-02-09 16:38:58,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349fc1003/146ce1c9aff8405b8666f52c8c7e2434/FLAGbd3950c7d [2022-02-09 16:38:58,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/349fc1003/146ce1c9aff8405b8666f52c8c7e2434 [2022-02-09 16:38:58,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 16:38:58,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 16:38:58,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 16:38:58,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 16:38:58,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 16:38:58,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 04:38:58" (1/1) ... [2022-02-09 16:38:58,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be71eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:58, skipping insertion in model container [2022-02-09 16:38:58,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 04:38:58" (1/1) ... [2022-02-09 16:38:58,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 16:38:58,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 16:38:58,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i[959,972] [2022-02-09 16:38:59,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 16:38:59,136 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 16:38:59,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.opt_pso.opt.i[959,972] [2022-02-09 16:38:59,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 16:38:59,218 INFO L208 MainTranslator]: Completed translation [2022-02-09 16:38:59,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59 WrapperNode [2022-02-09 16:38:59,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 16:38:59,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 16:38:59,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 16:38:59,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 16:38:59,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,290 INFO L137 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 274 [2022-02-09 16:38:59,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 16:38:59,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 16:38:59,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 16:38:59,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 16:38:59,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 16:38:59,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 16:38:59,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 16:38:59,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 16:38:59,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (1/1) ... [2022-02-09 16:38:59,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 16:38:59,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:38:59,371 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) [2022-02-09 16:38:59,390 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 [2022-02-09 16:38:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 16:38:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-09 16:38:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 16:38:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 16:38:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 16:38:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-02-09 16:38:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-02-09 16:38:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-02-09 16:38:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-02-09 16:38:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-02-09 16:38:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-02-09 16:38:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 16:38:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-09 16:38:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 16:38:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 16:38:59,404 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 16:38:59,508 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 16:38:59,509 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 16:38:59,879 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 16:39:00,239 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 16:39:00,240 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 16:39:00,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 04:39:00 BoogieIcfgContainer [2022-02-09 16:39:00,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 16:39:00,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 16:39:00,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 16:39:00,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 16:39:00,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 04:38:58" (1/3) ... [2022-02-09 16:39:00,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f99de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 04:39:00, skipping insertion in model container [2022-02-09 16:39:00,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:38:59" (2/3) ... [2022-02-09 16:39:00,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f99de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 04:39:00, skipping insertion in model container [2022-02-09 16:39:00,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 04:39:00" (3/3) ... [2022-02-09 16:39:00,251 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_power.opt_pso.opt.i [2022-02-09 16:39:00,254 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 16:39:00,255 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 16:39:00,255 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-09 16:39:00,255 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 16:39:00,297 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,298 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,298 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,298 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,298 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,298 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,299 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,299 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,299 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,299 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,300 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,301 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,302 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,303 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,303 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,303 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,304 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,305 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,308 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,308 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,308 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,309 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,309 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,309 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,309 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,310 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,313 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,314 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,314 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,314 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,318 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,319 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,320 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,325 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,326 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,329 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,329 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,329 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,330 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,330 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,331 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,332 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,332 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,332 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,332 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,332 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,332 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:39:00,334 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-09 16:39:00,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 16:39:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:39:00,381 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) [2022-02-09 16:39:00,386 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 [2022-02-09 16:39:00,410 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 16:39:00,416 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, 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 [2022-02-09 16:39:00,416 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-09 16:39:00,426 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 122 places, 114 transitions, 243 flow [2022-02-09 16:39:00,885 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 14042 states, 14039 states have (on average 3.567490562005841) internal successors, (50084), 14041 states have internal predecessors, (50084), 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) [2022-02-09 16:39:00,908 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 81 transitions and produced 82 states. [2022-02-09 16:39:00,910 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:00,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:00,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1180200608, now seen corresponding path program 1 times [2022-02-09 16:39:00,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:00,922 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406263586] [2022-02-09 16:39:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:00,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:39:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:39:01,139 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:39:01,139 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406263586] [2022-02-09 16:39:01,140 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406263586] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:39:01,140 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:39:01,140 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 16:39:01,142 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460297758] [2022-02-09 16:39:01,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:39:01,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 16:39:01,144 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:39:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 16:39:01,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 16:39:01,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:01,164 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:39:01,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:39:01,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:01,359 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 652 transitions and produced 346 states. [2022-02-09 16:39:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:01,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 16:39:01,361 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:01,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:01,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1908539438, now seen corresponding path program 1 times [2022-02-09 16:39:01,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:01,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213396971] [2022-02-09 16:39:01,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:01,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:39:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:39:01,782 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:39:01,782 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213396971] [2022-02-09 16:39:01,782 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213396971] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:39:01,782 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:39:01,782 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 16:39:01,782 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440379712] [2022-02-09 16:39:01,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:39:01,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 16:39:01,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:39:01,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 16:39:01,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-09 16:39:01,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:01,784 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:39:01,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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) [2022-02-09 16:39:01,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:01,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:02,239 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5309 transitions and produced 2168 states. [2022-02-09 16:39:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:02,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 16:39:02,240 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:02,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:02,241 INFO L85 PathProgramCache]: Analyzing trace with hash -386923961, now seen corresponding path program 1 times [2022-02-09 16:39:02,241 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:02,241 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834103152] [2022-02-09 16:39:02,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:02,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:39:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:39:02,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:39:02,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834103152] [2022-02-09 16:39:02,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834103152] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:39:02,574 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:39:02,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-09 16:39:02,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100278682] [2022-02-09 16:39:02,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:39:02,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 16:39:02,575 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:39:02,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 16:39:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-02-09 16:39:02,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:02,576 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:39:02,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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) [2022-02-09 16:39:02,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:02,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:02,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:03,188 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6540 transitions and produced 2673 states. [2022-02-09 16:39:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-09 16:39:03,193 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:03,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:03,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1690411290, now seen corresponding path program 1 times [2022-02-09 16:39:03,194 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:03,194 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3888986] [2022-02-09 16:39:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:03,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:39:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:39:03,383 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:39:03,383 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3888986] [2022-02-09 16:39:03,383 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3888986] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:39:03,383 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:39:03,384 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-09 16:39:03,384 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066682165] [2022-02-09 16:39:03,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:39:03,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-09 16:39:03,384 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:39:03,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-09 16:39:03,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-09 16:39:03,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:03,385 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:39:03,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) [2022-02-09 16:39:03,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:03,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:03,586 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3581 transitions and produced 1535 states. [2022-02-09 16:39:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:39:03,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 16:39:03,588 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:03,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:03,588 INFO L85 PathProgramCache]: Analyzing trace with hash 180008496, now seen corresponding path program 1 times [2022-02-09 16:39:03,588 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:03,588 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574999727] [2022-02-09 16:39:03,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:03,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:39:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:39:03,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:39:03,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574999727] [2022-02-09 16:39:03,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574999727] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:39:03,727 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:39:03,727 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 16:39:03,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226281374] [2022-02-09 16:39:03,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:39:03,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 16:39:03,728 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:39:03,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 16:39:03,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-09 16:39:03,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:03,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:39:03,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 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) [2022-02-09 16:39:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:39:03,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:04,166 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4132 transitions and produced 1627 states. [2022-02-09 16:39:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:39:04,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 16:39:04,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 16:39:04,168 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:04,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:04,169 INFO L85 PathProgramCache]: Analyzing trace with hash 663795379, now seen corresponding path program 2 times [2022-02-09 16:39:04,169 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:04,169 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482884521] [2022-02-09 16:39:04,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:04,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:39:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:39:04,416 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:39:04,416 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482884521] [2022-02-09 16:39:04,416 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482884521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:39:04,416 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:39:04,416 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-02-09 16:39:04,417 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288981991] [2022-02-09 16:39:04,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:39:04,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-02-09 16:39:04,417 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:39:04,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-02-09 16:39:04,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-02-09 16:39:04,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:04,418 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:39:04,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 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) [2022-02-09 16:39:04,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:04,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:04,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:04,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:39:04,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 16:39:04,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:05,977 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 15101 transitions and produced 6113 states. [2022-02-09 16:39:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:39:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-09 16:39:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:05,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 16:39:05,979 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:05,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:05,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1939419749, now seen corresponding path program 1 times [2022-02-09 16:39:05,979 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:05,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367271794] [2022-02-09 16:39:05,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:05,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:39:06,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:39:06,124 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:39:06,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367271794] [2022-02-09 16:39:06,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367271794] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:39:06,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:39:06,127 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-09 16:39:06,127 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172027960] [2022-02-09 16:39:06,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:39:06,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-09 16:39:06,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:39:06,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-09 16:39:06,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-02-09 16:39:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:06,129 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:39:06,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:39:06,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:06,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:06,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:06,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:39:06,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-02-09 16:39:06,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:06,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:39:31,320 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 382741 transitions and produced 118347 states. [2022-02-09 16:39:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:39:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:31,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:39:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-09 16:39:31,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 16:39:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-09 16:39:31,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 16:39:31,324 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2022-02-09 16:39:31,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:39:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1519006106, now seen corresponding path program 1 times [2022-02-09 16:39:31,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:39:31,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326246399] [2022-02-09 16:39:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:39:31,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:39:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 16:39:31,370 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 16:39:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 16:39:31,458 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 16:39:31,458 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 16:39:31,459 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-02-09 16:39:31,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-02-09 16:39:31,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 6 remaining) [2022-02-09 16:39:31,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 6 remaining) [2022-02-09 16:39:31,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 6 remaining) [2022-02-09 16:39:31,460 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-02-09 16:39:31,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-09 16:39:31,464 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-02-09 16:39:31,467 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 16:39:31,468 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 16:39:31,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 04:39:31 BasicIcfg [2022-02-09 16:39:31,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 16:39:31,574 INFO L158 Benchmark]: Toolchain (without parser) took 32819.53ms. Allocated memory was 210.8MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 153.7MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2022-02-09 16:39:31,574 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 210.8MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 16:39:31,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.01ms. Allocated memory was 210.8MB in the beginning and 314.6MB in the end (delta: 103.8MB). Free memory was 153.5MB in the beginning and 272.6MB in the end (delta: -119.1MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2022-02-09 16:39:31,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.21ms. Allocated memory is still 314.6MB. Free memory was 272.6MB in the beginning and 269.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-09 16:39:31,575 INFO L158 Benchmark]: Boogie Preprocessor took 51.77ms. Allocated memory is still 314.6MB. Free memory was 269.0MB in the beginning and 266.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 16:39:31,575 INFO L158 Benchmark]: RCFGBuilder took 899.73ms. Allocated memory is still 314.6MB. Free memory was 266.9MB in the beginning and 188.2MB in the end (delta: 78.6MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. [2022-02-09 16:39:31,576 INFO L158 Benchmark]: TraceAbstraction took 31327.76ms. Allocated memory was 314.6MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 187.7MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-02-09 16:39:31,577 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 210.8MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 462.01ms. Allocated memory was 210.8MB in the beginning and 314.6MB in the end (delta: 103.8MB). Free memory was 153.5MB in the beginning and 272.6MB in the end (delta: -119.1MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.21ms. Allocated memory is still 314.6MB. Free memory was 272.6MB in the beginning and 269.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.77ms. Allocated memory is still 314.6MB. Free memory was 269.0MB in the beginning and 266.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 899.73ms. Allocated memory is still 314.6MB. Free memory was 266.9MB in the beginning and 188.2MB in the end (delta: 78.6MB). Peak memory consumption was 78.6MB. Max. memory is 8.0GB. * TraceAbstraction took 31327.76ms. Allocated memory was 314.6MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 187.7MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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$tmp_guard1=0, x=0] [L716] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L717] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L718] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L719] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L720] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L721] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0] [L722] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0] [L723] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L724] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L725] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L726] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0] [L727] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L728] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L729] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L730] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L731] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L733] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L735] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=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$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L818] 0 pthread_t t2028; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2028={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L819] FCALL, FORK 0 pthread_create(&t2028, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2028, ((void *)0), P0, ((void *)0))=-2, t2028={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L820] 0 pthread_t t2029; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2028={5:0}, t2029={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L821] FCALL, FORK 0 pthread_create(&t2029, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2029, ((void *)0), P1, ((void *)0))=-1, t2028={5:0}, t2029={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L822] 0 pthread_t t2030; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2028={5:0}, t2029={6:0}, t2030={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L761] 2 x$w_buff1 = x$w_buff0 [L762] 2 x$w_buff0 = 2 [L763] 2 x$w_buff1_used = x$w_buff0_used [L764] 2 x$w_buff0_used = (_Bool)1 [L765] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L765] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L766] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L767] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L768] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L769] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L770] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L823] FCALL, FORK 0 pthread_create(&t2030, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2030, ((void *)0), P2, ((void *)0))=0, t2028={5:0}, t2029={6:0}, t2030={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L790] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L741] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L744] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L780] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L785] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L747] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L747] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L748] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L748] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L749] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L749] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L750] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L750] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L751] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L756] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L796] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L796] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L796] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L796] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L797] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L797] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L798] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L798] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L799] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L799] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L800] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L800] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2028={5:0}, t2029={6:0}, t2030={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L827] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L827] RET 0 assume_abort_if_not(main$tmp_guard0) [L829] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L829] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L829] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L829] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L830] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L830] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L831] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L831] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L832] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L832] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L833] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L833] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 x$flush_delayed = weak$$choice2 [L839] 0 x$mem_tmp = x [L840] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L840] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L841] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L841] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0) [L841] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L841] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L842] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L842] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L842] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L842] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L843] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L843] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L843] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L843] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L844] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L845] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0) [L845] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L845] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L846] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L848] 0 x = x$flush_delayed ? x$mem_tmp : x [L849] 0 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2028={5:0}, t2029={6:0}, t2030={3:0}, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L851] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] - 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: 819]: 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: 823]: 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: 821]: 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, 141 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 31.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, PartialOrderReductionTime: 28.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14042occurred in iteration=0, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 570 ConstructedInterpolants, 0 QuantifiedInterpolants, 2734 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! [2022-02-09 16:39:31,604 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 [2022-02-09 16:39:31,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...