/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix025_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-21 16:59:13,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-21 16:59:13,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-21 16:59:13,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-21 16:59:13,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-21 16:59:13,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-21 16:59:13,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-21 16:59:13,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-21 16:59:13,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-21 16:59:13,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-21 16:59:13,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-21 16:59:13,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-21 16:59:13,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-21 16:59:13,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-21 16:59:13,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-21 16:59:13,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-21 16:59:13,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-21 16:59:13,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-21 16:59:13,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-21 16:59:13,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-21 16:59:13,642 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-FA-NoLbe-Delay.epf [2021-08-21 16:59:13,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-21 16:59:13,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-21 16:59:13,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-21 16:59:13,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-21 16:59:13,664 INFO L138 SettingsManager]: * Use SBE=true [2021-08-21 16:59:13,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-21 16:59:13,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-21 16:59:13,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-21 16:59:13,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-21 16:59:13,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-21 16:59:13,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-21 16:59:13,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:59:13,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-21 16:59:13,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-21 16:59:13,667 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-21 16:59:13,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-21 16:59:13,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-21 16:59:13,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-21 16:59:13,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-21 16:59:13,933 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-21 16:59:13,945 INFO L275 PluginConnector]: CDTParser initialized [2021-08-21 16:59:13,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix025_pso.opt.i [2021-08-21 16:59:13,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4943739/27e9954f188b489e8f6930c88ac5bf9d/FLAG8d753e600 [2021-08-21 16:59:14,449 INFO L306 CDTParser]: Found 1 translation units. [2021-08-21 16:59:14,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix025_pso.opt.i [2021-08-21 16:59:14,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4943739/27e9954f188b489e8f6930c88ac5bf9d/FLAG8d753e600 [2021-08-21 16:59:14,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4943739/27e9954f188b489e8f6930c88ac5bf9d [2021-08-21 16:59:14,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-21 16:59:14,478 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-21 16:59:14,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-21 16:59:14,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-21 16:59:14,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-21 16:59:14,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:14,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd44122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14, skipping insertion in model container [2021-08-21 16:59:14,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:14,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-21 16:59:14,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-21 16:59:14,715 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/mix025_pso.opt.i[991,1004] [2021-08-21 16:59:14,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:59:14,892 INFO L203 MainTranslator]: Completed pre-run [2021-08-21 16:59:14,901 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/mix025_pso.opt.i[991,1004] [2021-08-21 16:59:14,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-21 16:59:14,965 INFO L208 MainTranslator]: Completed translation [2021-08-21 16:59:14,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14 WrapperNode [2021-08-21 16:59:14,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-21 16:59:14,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-21 16:59:14,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-21 16:59:14,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-21 16:59:14,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:14,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-21 16:59:15,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-21 16:59:15,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-21 16:59:15,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-21 16:59:15,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-21 16:59:15,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-21 16:59:15,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-21 16:59:15,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-21 16:59:15,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (1/1) ... [2021-08-21 16:59:15,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-21 16:59:15,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-21 16:59:15,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-21 16:59:15,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-21 16:59:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-21 16:59:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-21 16:59:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-21 16:59:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-21 16:59:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-21 16:59:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-21 16:59:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-21 16:59:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-21 16:59:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-21 16:59:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-21 16:59:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-21 16:59:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-21 16:59:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-21 16:59:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-21 16:59:15,116 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-21 16:59:16,330 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-21 16:59:16,330 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-21 16:59:16,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:59:16 BoogieIcfgContainer [2021-08-21 16:59:16,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-21 16:59:16,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-21 16:59:16,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-21 16:59:16,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-21 16:59:16,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:59:14" (1/3) ... [2021-08-21 16:59:16,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec70dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:59:16, skipping insertion in model container [2021-08-21 16:59:16,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:59:14" (2/3) ... [2021-08-21 16:59:16,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec70dee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:59:16, skipping insertion in model container [2021-08-21 16:59:16,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:59:16" (3/3) ... [2021-08-21 16:59:16,339 INFO L111 eAbstractionObserver]: Analyzing ICFG mix025_pso.opt.i [2021-08-21 16:59:16,343 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-21 16:59:16,343 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-21 16:59:16,343 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-21 16:59:16,343 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-21 16:59:16,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,379 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,379 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,380 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,381 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,382 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,383 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,385 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,388 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,390 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,390 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,391 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,392 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,393 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,394 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,394 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,395 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,396 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,397 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,399 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,400 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,402 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,402 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,403 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,404 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,405 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,405 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,406 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-21 16:59:16,407 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-21 16:59:16,445 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-21 16:59:16,451 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-21 16:59:16,452 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-21 16:59:17,440 INFO L276 IsEmpty]: Start isEmpty. Operand has 11682 states, 10373 states have (on average 2.1624409524727657) internal successors, (22431), 11681 states have internal predecessors, (22431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-08-21 16:59:17,445 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:17,445 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:17,446 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:17,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:17,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1296807263, now seen corresponding path program 1 times [2021-08-21 16:59:17,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:17,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035494166] [2021-08-21 16:59:17,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:17,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:17,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:17,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035494166] [2021-08-21 16:59:17,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035494166] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:17,711 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:17,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-21 16:59:17,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314748403] [2021-08-21 16:59:17,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-21 16:59:17,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:17,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-21 16:59:17,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:59:17,770 INFO L87 Difference]: Start difference. First operand has 11682 states, 10373 states have (on average 2.1624409524727657) internal successors, (22431), 11681 states have internal predecessors, (22431), 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) Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:17,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:17,902 INFO L93 Difference]: Finished difference Result 9806 states and 18575 transitions. [2021-08-21 16:59:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-21 16:59:17,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-08-21 16:59:17,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:17,952 INFO L225 Difference]: With dead ends: 9806 [2021-08-21 16:59:17,952 INFO L226 Difference]: Without dead ends: 5286 [2021-08-21 16:59:17,953 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-21 16:59:17,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5286 states. [2021-08-21 16:59:18,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5286 to 5286. [2021-08-21 16:59:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5286 states, 5230 states have (on average 2.295793499043977) internal successors, (12007), 5285 states have internal predecessors, (12007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:18,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5286 states to 5286 states and 12007 transitions. [2021-08-21 16:59:18,155 INFO L78 Accepts]: Start accepts. Automaton has 5286 states and 12007 transitions. Word has length 50 [2021-08-21 16:59:18,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:18,155 INFO L470 AbstractCegarLoop]: Abstraction has 5286 states and 12007 transitions. [2021-08-21 16:59:18,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 5286 states and 12007 transitions. [2021-08-21 16:59:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-08-21 16:59:18,165 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:18,165 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:18,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-21 16:59:18,166 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:18,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:18,168 INFO L82 PathProgramCache]: Analyzing trace with hash -450571248, now seen corresponding path program 1 times [2021-08-21 16:59:18,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:18,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650582064] [2021-08-21 16:59:18,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:18,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:18,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:18,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:18,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650582064] [2021-08-21 16:59:18,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650582064] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:18,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:18,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-21 16:59:18,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571221685] [2021-08-21 16:59:18,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 16:59:18,376 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:18,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 16:59:18,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-21 16:59:18,376 INFO L87 Difference]: Start difference. First operand 5286 states and 12007 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:18,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:18,639 INFO L93 Difference]: Finished difference Result 8191 states and 20152 transitions. [2021-08-21 16:59:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-21 16:59:18,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) Word has length 69 [2021-08-21 16:59:18,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:18,660 INFO L225 Difference]: With dead ends: 8191 [2021-08-21 16:59:18,660 INFO L226 Difference]: Without dead ends: 5503 [2021-08-21 16:59:18,661 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 163.2ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-08-21 16:59:18,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5503 states. [2021-08-21 16:59:18,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5503 to 4533. [2021-08-21 16:59:18,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 4477 states have (on average 2.3069019432655797) internal successors, (10328), 4532 states have internal predecessors, (10328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 10328 transitions. [2021-08-21 16:59:18,754 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 10328 transitions. Word has length 69 [2021-08-21 16:59:18,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:18,754 INFO L470 AbstractCegarLoop]: Abstraction has 4533 states and 10328 transitions. [2021-08-21 16:59:18,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:18,755 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 10328 transitions. [2021-08-21 16:59:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-08-21 16:59:18,760 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:18,760 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:18,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-21 16:59:18,760 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:18,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:18,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1204876686, now seen corresponding path program 1 times [2021-08-21 16:59:18,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:18,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953340720] [2021-08-21 16:59:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:18,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:18,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:18,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953340720] [2021-08-21 16:59:18,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953340720] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:18,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:18,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-21 16:59:18,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934067736] [2021-08-21 16:59:18,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-21 16:59:18,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:18,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-21 16:59:18,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-21 16:59:18,865 INFO L87 Difference]: Start difference. First operand 4533 states and 10328 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:18,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:18,969 INFO L93 Difference]: Finished difference Result 5101 states and 10986 transitions. [2021-08-21 16:59:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-21 16:59:18,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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) Word has length 72 [2021-08-21 16:59:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:18,983 INFO L225 Difference]: With dead ends: 5101 [2021-08-21 16:59:18,983 INFO L226 Difference]: Without dead ends: 3393 [2021-08-21 16:59:18,983 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 64.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-08-21 16:59:18,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2021-08-21 16:59:19,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3393. [2021-08-21 16:59:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3393 states, 3337 states have (on average 2.289781240635301) internal successors, (7641), 3392 states have internal predecessors, (7641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3393 states and 7641 transitions. [2021-08-21 16:59:19,045 INFO L78 Accepts]: Start accepts. Automaton has 3393 states and 7641 transitions. Word has length 72 [2021-08-21 16:59:19,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:19,046 INFO L470 AbstractCegarLoop]: Abstraction has 3393 states and 7641 transitions. [2021-08-21 16:59:19,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3393 states and 7641 transitions. [2021-08-21 16:59:19,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-08-21 16:59:19,052 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:19,052 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:19,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-21 16:59:19,052 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:19,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:19,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1449399475, now seen corresponding path program 1 times [2021-08-21 16:59:19,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:19,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078022081] [2021-08-21 16:59:19,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:19,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:19,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:19,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078022081] [2021-08-21 16:59:19,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078022081] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:19,212 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:19,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-21 16:59:19,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994192352] [2021-08-21 16:59:19,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 16:59:19,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:19,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 16:59:19,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-21 16:59:19,214 INFO L87 Difference]: Start difference. First operand 3393 states and 7641 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:19,316 INFO L93 Difference]: Finished difference Result 2735 states and 5671 transitions. [2021-08-21 16:59:19,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-21 16:59:19,316 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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) Word has length 75 [2021-08-21 16:59:19,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:19,324 INFO L225 Difference]: With dead ends: 2735 [2021-08-21 16:59:19,326 INFO L226 Difference]: Without dead ends: 1510 [2021-08-21 16:59:19,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 71.1ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-08-21 16:59:19,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2021-08-21 16:59:19,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1501. [2021-08-21 16:59:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 1465 states have (on average 2.1686006825938566) internal successors, (3177), 1500 states have internal predecessors, (3177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 3177 transitions. [2021-08-21 16:59:19,351 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 3177 transitions. Word has length 75 [2021-08-21 16:59:19,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:19,351 INFO L470 AbstractCegarLoop]: Abstraction has 1501 states and 3177 transitions. [2021-08-21 16:59:19,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 3177 transitions. [2021-08-21 16:59:19,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-08-21 16:59:19,353 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:19,354 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:19,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-21 16:59:19,354 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:19,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:19,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1660122767, now seen corresponding path program 1 times [2021-08-21 16:59:19,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:19,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589061703] [2021-08-21 16:59:19,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:19,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:19,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:19,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:19,514 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589061703] [2021-08-21 16:59:19,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589061703] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:19,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:19,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-21 16:59:19,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85099136] [2021-08-21 16:59:19,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-21 16:59:19,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:19,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-21 16:59:19,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-21 16:59:19,516 INFO L87 Difference]: Start difference. First operand 1501 states and 3177 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:19,633 INFO L93 Difference]: Finished difference Result 977 states and 1854 transitions. [2021-08-21 16:59:19,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 16:59:19,633 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 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) Word has length 79 [2021-08-21 16:59:19,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:19,635 INFO L225 Difference]: With dead ends: 977 [2021-08-21 16:59:19,635 INFO L226 Difference]: Without dead ends: 453 [2021-08-21 16:59:19,636 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 90.6ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-08-21 16:59:19,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2021-08-21 16:59:19,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 432. [2021-08-21 16:59:19,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 423 states have (on average 1.7635933806146573) internal successors, (746), 431 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 746 transitions. [2021-08-21 16:59:19,643 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 746 transitions. Word has length 79 [2021-08-21 16:59:19,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:19,643 INFO L470 AbstractCegarLoop]: Abstraction has 432 states and 746 transitions. [2021-08-21 16:59:19,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 746 transitions. [2021-08-21 16:59:19,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-21 16:59:19,644 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:19,645 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:19,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-21 16:59:19,645 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:19,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:19,647 INFO L82 PathProgramCache]: Analyzing trace with hash -2025009998, now seen corresponding path program 1 times [2021-08-21 16:59:19,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:19,647 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039584347] [2021-08-21 16:59:19,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:19,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:19,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:19,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039584347] [2021-08-21 16:59:19,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039584347] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:19,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:19,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-21 16:59:19,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938029176] [2021-08-21 16:59:19,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 16:59:19,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:19,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 16:59:19,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-21 16:59:19,766 INFO L87 Difference]: Start difference. First operand 432 states and 746 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:19,823 INFO L93 Difference]: Finished difference Result 646 states and 1199 transitions. [2021-08-21 16:59:19,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-21 16:59:19,824 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-08-21 16:59:19,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:19,825 INFO L225 Difference]: With dead ends: 646 [2021-08-21 16:59:19,825 INFO L226 Difference]: Without dead ends: 399 [2021-08-21 16:59:19,825 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 53.9ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-21 16:59:19,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2021-08-21 16:59:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2021-08-21 16:59:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 390 states have (on average 1.7871794871794873) internal successors, (697), 398 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 697 transitions. [2021-08-21 16:59:19,830 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 697 transitions. Word has length 84 [2021-08-21 16:59:19,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:19,831 INFO L470 AbstractCegarLoop]: Abstraction has 399 states and 697 transitions. [2021-08-21 16:59:19,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 697 transitions. [2021-08-21 16:59:19,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-21 16:59:19,831 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:19,832 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:19,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-21 16:59:19,832 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:19,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:19,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1773379398, now seen corresponding path program 2 times [2021-08-21 16:59:19,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:19,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331715649] [2021-08-21 16:59:19,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:19,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:19,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:19,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331715649] [2021-08-21 16:59:19,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331715649] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:19,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:19,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-21 16:59:19,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739439467] [2021-08-21 16:59:19,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-21 16:59:19,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:19,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-21 16:59:19,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-21 16:59:19,977 INFO L87 Difference]: Start difference. First operand 399 states and 697 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:20,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:20,064 INFO L93 Difference]: Finished difference Result 588 states and 1064 transitions. [2021-08-21 16:59:20,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-21 16:59:20,064 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-08-21 16:59:20,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:20,065 INFO L225 Difference]: With dead ends: 588 [2021-08-21 16:59:20,065 INFO L226 Difference]: Without dead ends: 317 [2021-08-21 16:59:20,066 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 73.4ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-21 16:59:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-08-21 16:59:20,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 307. [2021-08-21 16:59:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 298 states have (on average 1.7281879194630871) internal successors, (515), 306 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 515 transitions. [2021-08-21 16:59:20,071 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 515 transitions. Word has length 84 [2021-08-21 16:59:20,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:20,071 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 515 transitions. [2021-08-21 16:59:20,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 515 transitions. [2021-08-21 16:59:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-21 16:59:20,073 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:20,073 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:20,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-21 16:59:20,074 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:20,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:20,074 INFO L82 PathProgramCache]: Analyzing trace with hash -75576334, now seen corresponding path program 3 times [2021-08-21 16:59:20,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:20,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114110902] [2021-08-21 16:59:20,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:20,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-21 16:59:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-21 16:59:20,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-21 16:59:20,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114110902] [2021-08-21 16:59:20,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114110902] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-21 16:59:20,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-21 16:59:20,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-21 16:59:20,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071823354] [2021-08-21 16:59:20,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-21 16:59:20,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-21 16:59:20,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-21 16:59:20,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-08-21 16:59:20,287 INFO L87 Difference]: Start difference. First operand 307 states and 515 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-21 16:59:20,499 INFO L93 Difference]: Finished difference Result 438 states and 789 transitions. [2021-08-21 16:59:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-21 16:59:20,500 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-08-21 16:59:20,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-21 16:59:20,501 INFO L225 Difference]: With dead ends: 438 [2021-08-21 16:59:20,501 INFO L226 Difference]: Without dead ends: 247 [2021-08-21 16:59:20,501 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 160.5ms TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2021-08-21 16:59:20,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-08-21 16:59:20,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2021-08-21 16:59:20,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 238 states have (on average 1.7773109243697478) internal successors, (423), 246 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 423 transitions. [2021-08-21 16:59:20,506 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 423 transitions. Word has length 84 [2021-08-21 16:59:20,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-21 16:59:20,506 INFO L470 AbstractCegarLoop]: Abstraction has 247 states and 423 transitions. [2021-08-21 16:59:20,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-21 16:59:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 423 transitions. [2021-08-21 16:59:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-21 16:59:20,507 INFO L504 BasicCegarLoop]: Found error trace [2021-08-21 16:59:20,508 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-21 16:59:20,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-21 16:59:20,509 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 3 more)] === [2021-08-21 16:59:20,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-21 16:59:20,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1667053554, now seen corresponding path program 4 times [2021-08-21 16:59:20,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-21 16:59:20,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246186119] [2021-08-21 16:59:20,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-21 16:59:20,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-21 16:59:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 16:59:20,552 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-21 16:59:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-21 16:59:20,631 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-21 16:59:20,631 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-21 16:59:20,632 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:59:20,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:59:20,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-21 16:59:20,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-21 16:59:20,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-21 16:59:20,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-21 16:59:20,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-21 16:59:20,639 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-21 16:59:20,639 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-21 16:59:20,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:59:20 BasicIcfg [2021-08-21 16:59:20,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-21 16:59:20,743 INFO L168 Benchmark]: Toolchain (without parser) took 6264.30 ms. Allocated memory was 176.2 MB in the beginning and 398.5 MB in the end (delta: 222.3 MB). Free memory was 139.9 MB in the beginning and 156.1 MB in the end (delta: -16.2 MB). Peak memory consumption was 207.4 MB. Max. memory is 8.0 GB. [2021-08-21 16:59:20,743 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 157.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-21 16:59:20,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.68 ms. Allocated memory is still 176.2 MB. Free memory was 139.7 MB in the beginning and 146.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-08-21 16:59:20,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.78 ms. Allocated memory is still 176.2 MB. Free memory was 146.1 MB in the beginning and 143.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:59:20,744 INFO L168 Benchmark]: Boogie Preprocessor took 32.75 ms. Allocated memory is still 176.2 MB. Free memory was 143.5 MB in the beginning and 141.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:59:20,744 INFO L168 Benchmark]: RCFGBuilder took 1281.05 ms. Allocated memory was 176.2 MB in the beginning and 237.0 MB in the end (delta: 60.8 MB). Free memory was 141.4 MB in the beginning and 195.0 MB in the end (delta: -53.6 MB). Peak memory consumption was 91.1 MB. Max. memory is 8.0 GB. [2021-08-21 16:59:20,744 INFO L168 Benchmark]: TraceAbstraction took 4407.28 ms. Allocated memory was 237.0 MB in the beginning and 398.5 MB in the end (delta: 161.5 MB). Free memory was 194.5 MB in the beginning and 156.1 MB in the end (delta: 38.4 MB). Peak memory consumption was 199.9 MB. Max. memory is 8.0 GB. [2021-08-21 16:59:20,745 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 176.2 MB. Free memory is still 157.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 486.68 ms. Allocated memory is still 176.2 MB. Free memory was 139.7 MB in the beginning and 146.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.78 ms. Allocated memory is still 176.2 MB. Free memory was 146.1 MB in the beginning and 143.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.75 ms. Allocated memory is still 176.2 MB. Free memory was 143.5 MB in the beginning and 141.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1281.05 ms. Allocated memory was 176.2 MB in the beginning and 237.0 MB in the end (delta: 60.8 MB). Free memory was 141.4 MB in the beginning and 195.0 MB in the end (delta: -53.6 MB). Peak memory consumption was 91.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4407.28 ms. Allocated memory was 237.0 MB in the beginning and 398.5 MB in the end (delta: 161.5 MB). Free memory was 194.5 MB in the beginning and 156.1 MB in the end (delta: 38.4 MB). Peak memory consumption was 199.9 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: 43086, positive: 40599, positive conditional: 40599, positive unconditional: 0, negative: 2487, negative conditional: 2487, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 42497, positive: 40599, positive conditional: 0, positive unconditional: 40599, negative: 1898, negative conditional: 0, negative unconditional: 1898, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1129, positive: 1097, positive conditional: 0, positive unconditional: 1097, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1129, positive: 1093, positive conditional: 0, positive unconditional: 1093, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 264, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 257, negative conditional: 0, negative unconditional: 257, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42497, positive: 39502, positive conditional: 0, positive unconditional: 39502, negative: 1866, negative conditional: 0, negative unconditional: 1866, unknown: 1129, unknown conditional: 0, unknown unconditional: 1129] , Statistics on independence cache: Total cache size (in pairs): 1129, Positive cache size: 1097, Positive conditional cache size: 0, Positive unconditional cache size: 1097, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Independence queries for same thread: 589 - 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0] [L716] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L717] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L718] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L720] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L721] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L722] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L723] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L724] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L725] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L726] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0] [L727] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0] [L728] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L729] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L730] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L731] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0] [L732] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L733] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L734] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L735] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L736] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L738] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L740] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L741] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L742] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L834] 0 pthread_t t666; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L835] FCALL, FORK 0 pthread_create(&t666, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L836] 0 pthread_t t667; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L837] FCALL, FORK 0 pthread_create(&t667, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L838] 0 pthread_t t668; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L786] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L839] FCALL, FORK 0 pthread_create(&t668, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L803] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L806] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L809] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=0] [L746] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L812] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L812] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L812] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L813] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L814] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L815] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L815] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L816] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L816] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L754] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L755] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L756] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L757] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L758] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L758] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L759] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EAX = x [L761] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L793] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L819] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L841] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L4] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L845] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L845] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L845] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L846] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L846] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L847] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L847] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L848] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L848] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L849] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L849] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L852] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L19] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] [L19] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2, z=1] - UnprovableResult [Line: 19]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 837]: 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: 835]: 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: 839]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 135 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4192.4ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 57.2ms, AutomataDifference: 1242.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 961.9ms, PartialOrderReductionTime: 946.9ms, HoareTripleCheckerStatistics: 914 SDtfs, 1263 SDslu, 2946 SDs, 0 SdLazy, 355 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 292.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 680.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11682occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 392.5ms AutomataMinimizationTime, 8 MinimizatonAttempts, 1010 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 41.4ms SsaConstructionTime, 355.9ms SatisfiabilityAnalysisTime, 891.0ms InterpolantComputationTime, 681 NumberOfCodeBlocks, 681 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 2556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-21 16:59:20,776 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...