/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 12:36:47,925 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 12:36:47,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 12:36:47,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-22 12:36:47,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-22 12:36:47,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-22 12:36:47,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-22 12:36:47,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-22 12:36:47,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-22 12:36:47,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-22 12:36:47,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-22 12:36:47,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-22 12:36:47,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-22 12:36:47,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-22 12:36:47,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-22 12:36:47,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-22 12:36:47,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-22 12:36:47,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-22 12:36:48,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-22 12:36:48,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-22 12:36:48,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-22 12:36:48,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-22 12:36:48,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-22 12:36:48,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-22 12:36:48,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-22 12:36:48,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 12:36:48,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 12:36:48,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 12:36:48,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-22 12:36:48,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 12:36:48,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 12:36:48,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 12:36:48,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 12:36:48,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 12:36:48,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 12:36:48,058 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 12:36:48,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 12:36:48,059 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 12:36:48,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 12:36:48,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 12:36:48,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 12:36:48,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 12:36:48,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 12:36:48,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:36:48,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 12:36:48,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 12:36:48,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 12:36:48,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 12:36:48,062 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 12:36:48,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 12:36:48,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 12:36:48,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 12:36:48,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 12:36:48,263 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 12:36:48,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_power.opt.i [2021-10-22 12:36:48,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83ae240b/e176f2f60ecd4fea93bf7e873db2eed0/FLAG1fbc0f961 [2021-10-22 12:36:48,656 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 12:36:48,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_power.opt.i [2021-10-22 12:36:48,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83ae240b/e176f2f60ecd4fea93bf7e873db2eed0/FLAG1fbc0f961 [2021-10-22 12:36:49,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83ae240b/e176f2f60ecd4fea93bf7e873db2eed0 [2021-10-22 12:36:49,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 12:36:49,044 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 12:36:49,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 12:36:49,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 12:36:49,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 12:36:49,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb3d5be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49, skipping insertion in model container [2021-10-22 12:36:49,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 12:36:49,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 12:36:49,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_power.opt.i[951,964] [2021-10-22 12:36:49,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 12:36:49,339 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 12:36:49,349 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_power.opt.i[951,964] [2021-10-22 12:36:49,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 12:36:49,429 INFO L208 MainTranslator]: Completed translation [2021-10-22 12:36:49,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49 WrapperNode [2021-10-22 12:36:49,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 12:36:49,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 12:36:49,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 12:36:49,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 12:36:49,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 12:36:49,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 12:36:49,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 12:36:49,495 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 12:36:49,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 12:36:49,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 12:36:49,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 12:36:49,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 12:36:49,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (1/1) ... [2021-10-22 12:36:49,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:36:49,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:36:49,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-22 12:36:49,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-22 12:36:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-22 12:36:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-22 12:36:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-22 12:36:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 12:36:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 12:36:49,588 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 12:36:50,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 12:36:50,932 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-22 12:36:50,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:36:50 BoogieIcfgContainer [2021-10-22 12:36:50,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 12:36:50,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 12:36:50,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 12:36:50,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 12:36:50,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:36:49" (1/3) ... [2021-10-22 12:36:50,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0de7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:36:50, skipping insertion in model container [2021-10-22 12:36:50,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:36:49" (2/3) ... [2021-10-22 12:36:50,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0de7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:36:50, skipping insertion in model container [2021-10-22 12:36:50,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:36:50" (3/3) ... [2021-10-22 12:36:50,939 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_power.opt.i [2021-10-22 12:36:50,942 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 12:36:50,942 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 12:36:50,942 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-22 12:36:50,942 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,962 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,963 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,973 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,973 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,973 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,973 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:50,974 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-22 12:36:50,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 12:36:50,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:36:51,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 12:36:51,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 12:36:51,019 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 12:36:51,022 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 12:36:51,022 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-22 12:36:51,093 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,118 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,134 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,134 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,134 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,134 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,134 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,135 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,135 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,135 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,135 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_161 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,135 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,135 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,135 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,136 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,136 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,150 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,156 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,157 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,182 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 12:36:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:36:51,185 INFO L82 PathProgramCache]: Analyzing trace with hash 2056659554, now seen corresponding path program 1 times [2021-10-22 12:36:51,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:36:51,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226858523] [2021-10-22 12:36:51,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:36:51,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:36:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:36:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:36:51,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:36:51,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226858523] [2021-10-22 12:36:51,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226858523] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:36:51,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:36:51,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 12:36:51,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605801831] [2021-10-22 12:36:51,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 12:36:51,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:36:51,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 12:36:51,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 12:36:51,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,410 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:36:51,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:36:51,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 12:36:51,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 12:36:51,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:36:51,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1737201119, now seen corresponding path program 1 times [2021-10-22 12:36:51,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:36:51,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797018487] [2021-10-22 12:36:51,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:36:51,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:36:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:36:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:36:51,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:36:51,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797018487] [2021-10-22 12:36:51,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797018487] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:36:51,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:36:51,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-22 12:36:51,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749627446] [2021-10-22 12:36:51,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-22 12:36:51,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:36:51,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-22 12:36:51,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-22 12:36:51,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,532 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:36:51,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:36:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,550 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,557 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,558 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:51,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:36:51,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-22 12:36:51,612 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 12:36:51,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:36:51,612 INFO L82 PathProgramCache]: Analyzing trace with hash -90536404, now seen corresponding path program 1 times [2021-10-22 12:36:51,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:36:51,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965766761] [2021-10-22 12:36:51,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:36:51,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:36:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:36:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:36:51,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:36:51,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965766761] [2021-10-22 12:36:51,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965766761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:36:51,960 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:36:51,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-10-22 12:36:51,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513325670] [2021-10-22 12:36:51,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-22 12:36:51,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:36:51,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-22 12:36:51,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-22 12:36:51,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:36:51,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:36:51,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:51,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:36:51,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:52,081 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,082 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,104 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,126 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_161 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,127 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,128 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,128 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,128 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,128 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,131 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,147 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,148 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,148 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,148 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,148 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_161 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,149 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,150 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,150 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,181 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,190 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,191 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,191 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,191 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,191 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,191 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,191 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,191 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,192 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_161 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,192 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,192 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,192 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,192 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,192 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,202 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,202 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41_70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38_72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe v_~y~0_161 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,203 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,204 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,204 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,204 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_78| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:36:52,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 12:36:52,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-22 12:36:52,230 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 12:36:52,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:36:52,231 INFO L82 PathProgramCache]: Analyzing trace with hash -456318338, now seen corresponding path program 2 times [2021-10-22 12:36:52,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:36:52,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031300225] [2021-10-22 12:36:52,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:36:52,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:36:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:36:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:36:52,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:36:52,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031300225] [2021-10-22 12:36:52,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031300225] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:36:52,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:36:52,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-22 12:36:52,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792760565] [2021-10-22 12:36:52,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-22 12:36:52,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:36:52,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-22 12:36:52,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-22 12:36:52,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:52,359 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:36:52,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:36:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:36:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-10-22 12:36:52,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:52,525 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,530 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,530 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,545 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite11_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,545 WARN L313 ript$VariableManager]: TermVariabe |v_P0_#t~ite5_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:36:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:36:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-22 12:36:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-22 12:36:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-22 12:36:52,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-22 12:36:52,571 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-22 12:36:52,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:36:52,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1005833900, now seen corresponding path program 3 times [2021-10-22 12:36:52,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:36:52,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244521546] [2021-10-22 12:36:52,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:36:52,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:36:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 12:36:52,598 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-22 12:36:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-22 12:36:52,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-22 12:36:52,683 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-22 12:36:52,684 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 12:36:52,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 12:36:52,685 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 12:36:52,685 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-22 12:36:52,689 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2021-10-22 12:36:52,691 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 12:36:52,691 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 12:36:52,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:36:52 BasicIcfg [2021-10-22 12:36:52,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 12:36:52,749 INFO L168 Benchmark]: Toolchain (without parser) took 3704.03 ms. Allocated memory was 197.1 MB in the beginning and 240.1 MB in the end (delta: 43.0 MB). Free memory was 145.7 MB in the beginning and 187.3 MB in the end (delta: -41.7 MB). Peak memory consumption was 116.5 MB. Max. memory is 8.0 GB. [2021-10-22 12:36:52,749 INFO L168 Benchmark]: CDTParser took 0.08 ms. Allocated memory is still 197.1 MB. Free memory is still 163.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 12:36:52,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.78 ms. Allocated memory is still 197.1 MB. Free memory was 145.5 MB in the beginning and 161.6 MB in the end (delta: -16.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. [2021-10-22 12:36:52,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.62 ms. Allocated memory is still 197.1 MB. Free memory was 161.6 MB in the beginning and 159.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 12:36:52,750 INFO L168 Benchmark]: Boogie Preprocessor took 27.62 ms. Allocated memory is still 197.1 MB. Free memory was 159.1 MB in the beginning and 157.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 12:36:52,750 INFO L168 Benchmark]: RCFGBuilder took 1411.03 ms. Allocated memory was 197.1 MB in the beginning and 240.1 MB in the end (delta: 43.0 MB). Free memory was 157.0 MB in the beginning and 101.0 MB in the end (delta: 56.0 MB). Peak memory consumption was 100.5 MB. Max. memory is 8.0 GB. [2021-10-22 12:36:52,750 INFO L168 Benchmark]: TraceAbstraction took 1813.08 ms. Allocated memory is still 240.1 MB. Free memory was 100.5 MB in the beginning and 187.3 MB in the end (delta: -86.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. [2021-10-22 12:36:52,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08 ms. Allocated memory is still 197.1 MB. Free memory is still 163.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 370.78 ms. Allocated memory is still 197.1 MB. Free memory was 145.5 MB in the beginning and 161.6 MB in the end (delta: -16.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 63.62 ms. Allocated memory is still 197.1 MB. Free memory was 161.6 MB in the beginning and 159.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.62 ms. Allocated memory is still 197.1 MB. Free memory was 159.1 MB in the beginning and 157.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1411.03 ms. Allocated memory was 197.1 MB in the beginning and 240.1 MB in the end (delta: 43.0 MB). Free memory was 157.0 MB in the beginning and 101.0 MB in the end (delta: 56.0 MB). Peak memory consumption was 100.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1813.08 ms. Allocated memory is still 240.1 MB. Free memory was 100.5 MB in the beginning and 187.3 MB in the end (delta: -86.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2407, positive: 2270, positive conditional: 1612, positive unconditional: 658, negative: 137, negative conditional: 115, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2324, positive: 2270, positive conditional: 0, positive unconditional: 2270, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 684, positive: 662, positive conditional: 0, positive unconditional: 662, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 684, positive: 660, positive conditional: 0, positive unconditional: 660, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 259, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2324, positive: 1608, positive conditional: 0, positive unconditional: 1608, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 684, unknown conditional: 0, unknown unconditional: 684] , Statistics on independence cache: Total cache size (in pairs): 684, Positive cache size: 662, Positive conditional cache size: 0, Positive unconditional cache size: 662, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Independence queries for same thread: 83 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 333, Number of persistent set computation: 379, Number of trivial persistent sets: 328, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2407, positive: 2270, positive conditional: 1612, positive unconditional: 658, negative: 137, negative conditional: 115, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2324, positive: 2270, positive conditional: 0, positive unconditional: 2270, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 684, positive: 662, positive conditional: 0, positive unconditional: 662, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 684, positive: 660, positive conditional: 0, positive unconditional: 660, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 259, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2324, positive: 1608, positive conditional: 0, positive unconditional: 1608, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 684, unknown conditional: 0, unknown unconditional: 684] , Statistics on independence cache: Total cache size (in pairs): 684, Positive cache size: 662, Positive conditional cache size: 0, Positive unconditional cache size: 662, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22, Independence queries for same thread: 83 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L711] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L712] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L714] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L716] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L717] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L718] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L719] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L720] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L721] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L722] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L723] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L724] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L725] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L726] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L727] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L728] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L729] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L730] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L731] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L732] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L792] 0 pthread_t t2011; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L793] FCALL, FORK 0 pthread_create(&t2011, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y$w_buff1 = y$w_buff0 [L737] 1 y$w_buff0 = 2 [L738] 1 y$w_buff1_used = y$w_buff0_used [L739] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L741] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L742] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L743] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L744] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L794] 0 pthread_t t2012; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L795] FCALL, FORK 0 pthread_create(&t2012, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L764] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L767] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L750] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L751] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L752] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L752] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L753] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L753] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L754] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L759] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L770] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L770] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L771] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L772] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L773] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L774] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L797] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L779] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L801] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L801] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L801] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L801] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L802] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L802] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L803] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L803] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L804] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L804] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L805] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L805] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L808] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 0 y$flush_delayed = weak$$choice2 [L811] 0 y$mem_tmp = y [L812] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L812] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L813] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L813] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L814] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L814] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L815] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L815] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L816] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L817] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L818] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L818] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1) [L820] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L820] 0 y = y$flush_delayed ? y$mem_tmp : y [L821] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 795]: 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: 793]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 104 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1691.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.1ms, PartialOrderReductionTime: 721.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.6ms SsaConstructionTime, 210.4ms SatisfiabilityAnalysisTime, 494.9ms InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 885 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-22 12:36:52,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-22 12:36:52,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...