/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-PN-NoLbe-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 23:52:03,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 23:52:03,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 23:52:03,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 23:52:03,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 23:52:03,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 23:52:03,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 23:52:03,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 23:52:03,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 23:52:03,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 23:52:03,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 23:52:03,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 23:52:03,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 23:52:03,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 23:52:03,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 23:52:03,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 23:52:03,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 23:52:03,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 23:52:03,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 23:52:03,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 23:52:03,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 23:52:03,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 23:52:03,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 23:52:03,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 23:52:03,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 23:52:03,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 23:52:03,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 23:52:03,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 23:52:03,372 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-PN-NoLbe-OGIterative.epf [2021-08-12 23:52:03,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 23:52:03,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 23:52:03,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 23:52:03,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 23:52:03,403 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 23:52:03,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 23:52:03,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 23:52:03,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 23:52:03,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 23:52:03,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 23:52:03,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 23:52:03,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 23:52:03,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 23:52:03,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 23:52:03,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 23:52:03,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 23:52:03,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 23:52:03,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 23:52:03,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 23:52:03,405 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 23:52:03,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 23:52:03,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 23:52:03,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 23:52:03,406 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-12 23:52:03,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 23:52:03,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 23:52:03,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 23:52:03,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 23:52:03,679 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 23:52:03,679 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 23:52:03,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i [2021-08-12 23:52:03,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915feabf4/02826b0db6124b7db1987eeb821f4544/FLAG12bf8748d [2021-08-12 23:52:04,164 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 23:52:04,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i [2021-08-12 23:52:04,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915feabf4/02826b0db6124b7db1987eeb821f4544/FLAG12bf8748d [2021-08-12 23:52:04,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/915feabf4/02826b0db6124b7db1987eeb821f4544 [2021-08-12 23:52:04,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 23:52:04,190 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 23:52:04,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 23:52:04,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 23:52:04,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 23:52:04,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0c5fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04, skipping insertion in model container [2021-08-12 23:52:04,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 23:52:04,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 23:52:04,416 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i[948,961] [2021-08-12 23:52:04,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 23:52:04,594 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 23:52:04,605 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006_pso.opt.i[948,961] [2021-08-12 23:52:04,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 23:52:04,731 INFO L208 MainTranslator]: Completed translation [2021-08-12 23:52:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04 WrapperNode [2021-08-12 23:52:04,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 23:52:04,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 23:52:04,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 23:52:04,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 23:52:04,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 23:52:04,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 23:52:04,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 23:52:04,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 23:52:04,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... [2021-08-12 23:52:04,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 23:52:04,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 23:52:04,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 23:52:04,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 23:52:04,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 23:52:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 23:52:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 23:52:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 23:52:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 23:52:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-12 23:52:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-12 23:52:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-12 23:52:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-12 23:52:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-12 23:52:04,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-12 23:52:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 23:52:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 23:52:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 23:52:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 23:52:04,917 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 23:52:06,419 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 23:52:06,419 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-12 23:52:06,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 11:52:06 BoogieIcfgContainer [2021-08-12 23:52:06,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 23:52:06,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 23:52:06,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 23:52:06,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 23:52:06,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 11:52:04" (1/3) ... [2021-08-12 23:52:06,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762f63b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 11:52:06, skipping insertion in model container [2021-08-12 23:52:06,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:52:04" (2/3) ... [2021-08-12 23:52:06,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@762f63b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 11:52:06, skipping insertion in model container [2021-08-12 23:52:06,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 11:52:06" (3/3) ... [2021-08-12 23:52:06,425 INFO L111 eAbstractionObserver]: Analyzing ICFG mix006_pso.opt.i [2021-08-12 23:52:06,430 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 23:52:06,430 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-08-12 23:52:06,431 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 23:52:06,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,462 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,465 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,466 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,467 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,468 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,469 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,471 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,472 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,474 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,475 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,476 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,477 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,478 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,479 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,480 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,481 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,482 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,483 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,484 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,486 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,486 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,486 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,487 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,488 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,489 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:52:06,489 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-12 23:52:06,512 INFO L255 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-08-12 23:52:06,528 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 23:52:06,528 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 23:52:06,528 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 23:52:06,528 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 23:52:06,529 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 23:52:06,529 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 23:52:06,529 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 23:52:06,529 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 23:52:06,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 117 places, 109 transitions, 233 flow [2021-08-12 23:52:06,584 INFO L129 PetriNetUnfolder]: 2/106 cut-off events. [2021-08-12 23:52:06,585 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 23:52:06,587 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 106 events. 2/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 57 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 68. Up to 2 conditions per place. [2021-08-12 23:52:06,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 117 places, 109 transitions, 233 flow [2021-08-12 23:52:06,590 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 106 transitions, 221 flow [2021-08-12 23:52:06,600 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-08-12 23:52:06,600 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 23:52:06,600 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:06,601 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 23:52:06,601 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash -127702863, now seen corresponding path program 1 times [2021-08-12 23:52:06,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:06,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894406793] [2021-08-12 23:52:06,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:06,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:06,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:06,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:06,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:06,774 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:06,774 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894406793] [2021-08-12 23:52:06,774 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894406793] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:06,774 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:06,774 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-12 23:52:06,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951898199] [2021-08-12 23:52:06,780 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 23:52:06,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:06,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 23:52:06,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 23:52:06,789 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 109 [2021-08-12 23:52:06,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 106 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-08-12 23:52:06,792 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:06,792 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 109 [2021-08-12 23:52:06,793 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:06,870 INFO L129 PetriNetUnfolder]: 13/172 cut-off events. [2021-08-12 23:52:06,871 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-08-12 23:52:06,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 172 events. 13/172 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 403 event pairs, 5 based on Foata normal form. 6/168 useless extension candidates. Maximal degree in co-relation 162. Up to 25 conditions per place. [2021-08-12 23:52:06,873 INFO L132 encePairwiseOnDemand]: 104/109 looper letters, 6 selfloop transitions, 2 changer transitions 0/104 dead transitions. [2021-08-12 23:52:06,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 104 transitions, 233 flow [2021-08-12 23:52:06,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 23:52:06,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 23:52:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2021-08-12 23:52:06,881 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9480122324159022 [2021-08-12 23:52:06,881 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2021-08-12 23:52:06,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2021-08-12 23:52:06,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:06,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2021-08-12 23:52:06,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2021-08-12 23:52:06,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2021-08-12 23:52:06,889 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2021-08-12 23:52:06,889 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 0 predicate places. [2021-08-12 23:52:06,889 INFO L482 AbstractCegarLoop]: Abstraction has has 114 places, 104 transitions, 233 flow [2021-08-12 23:52:06,889 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 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) [2021-08-12 23:52:06,890 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:06,890 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 23:52:06,890 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 23:52:06,890 INFO L430 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:06,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:06,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1869563257, now seen corresponding path program 1 times [2021-08-12 23:52:06,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:06,891 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163711436] [2021-08-12 23:52:06,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:06,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:06,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:06,994 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-08-12 23:52:06,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 23:52:07,003 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 23:52:07,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:52:07,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:07,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:07,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:07,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:07,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:07,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163711436] [2021-08-12 23:52:07,030 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163711436] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:07,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:07,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 23:52:07,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198600014] [2021-08-12 23:52:07,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 23:52:07,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:07,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 23:52:07,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 23:52:07,032 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 109 [2021-08-12 23:52:07,033 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 104 transitions, 233 flow. Second operand has 6 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 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) [2021-08-12 23:52:07,033 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:07,033 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 109 [2021-08-12 23:52:07,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:07,484 INFO L129 PetriNetUnfolder]: 849/2807 cut-off events. [2021-08-12 23:52:07,484 INFO L130 PetriNetUnfolder]: For 281/320 co-relation queries the response was YES. [2021-08-12 23:52:07,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4622 conditions, 2807 events. 849/2807 cut-off events. For 281/320 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 25533 event pairs, 208 based on Foata normal form. 0/2693 useless extension candidates. Maximal degree in co-relation 4565. Up to 611 conditions per place. [2021-08-12 23:52:07,496 INFO L132 encePairwiseOnDemand]: 94/109 looper letters, 32 selfloop transitions, 26 changer transitions 24/167 dead transitions. [2021-08-12 23:52:07,496 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 167 transitions, 565 flow [2021-08-12 23:52:07,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 23:52:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 23:52:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 868 transitions. [2021-08-12 23:52:07,500 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8848114169215087 [2021-08-12 23:52:07,500 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 868 transitions. [2021-08-12 23:52:07,500 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 868 transitions. [2021-08-12 23:52:07,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:07,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 868 transitions. [2021-08-12 23:52:07,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 96.44444444444444) internal successors, (868), 9 states have internal predecessors, (868), 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) [2021-08-12 23:52:07,504 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-08-12 23:52:07,504 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-08-12 23:52:07,505 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 8 predicate places. [2021-08-12 23:52:07,505 INFO L482 AbstractCegarLoop]: Abstraction has has 122 places, 167 transitions, 565 flow [2021-08-12 23:52:07,505 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 89.83333333333333) internal successors, (539), 6 states have internal predecessors, (539), 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) [2021-08-12 23:52:07,505 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:07,505 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 23:52:07,506 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 23:52:07,506 INFO L430 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:07,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:07,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1981142906, now seen corresponding path program 1 times [2021-08-12 23:52:07,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:07,506 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361034263] [2021-08-12 23:52:07,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:07,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:07,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:07,561 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-08-12 23:52:07,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 23:52:07,611 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 23:52:07,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:52:07,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:07,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:07,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:07,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:07,642 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:07,642 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361034263] [2021-08-12 23:52:07,642 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361034263] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:07,642 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:07,642 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 23:52:07,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254217695] [2021-08-12 23:52:07,643 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 23:52:07,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:07,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 23:52:07,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-12 23:52:07,644 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 109 [2021-08-12 23:52:07,645 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 167 transitions, 565 flow. Second operand has 7 states, 7 states have (on average 89.71428571428571) internal successors, (628), 7 states have internal predecessors, (628), 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) [2021-08-12 23:52:07,645 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:07,645 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 109 [2021-08-12 23:52:07,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:08,189 INFO L129 PetriNetUnfolder]: 957/3305 cut-off events. [2021-08-12 23:52:08,189 INFO L130 PetriNetUnfolder]: For 461/912 co-relation queries the response was YES. [2021-08-12 23:52:08,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7049 conditions, 3305 events. 957/3305 cut-off events. For 461/912 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 31913 event pairs, 72 based on Foata normal form. 30/3226 useless extension candidates. Maximal degree in co-relation 6985. Up to 773 conditions per place. [2021-08-12 23:52:08,205 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 59 selfloop transitions, 45 changer transitions 78/267 dead transitions. [2021-08-12 23:52:08,205 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 267 transitions, 1393 flow [2021-08-12 23:52:08,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 23:52:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 23:52:08,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1226 transitions. [2021-08-12 23:52:08,207 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8652081863091038 [2021-08-12 23:52:08,208 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1226 transitions. [2021-08-12 23:52:08,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1226 transitions. [2021-08-12 23:52:08,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:08,211 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1226 transitions. [2021-08-12 23:52:08,213 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 94.3076923076923) internal successors, (1226), 13 states have internal predecessors, (1226), 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) [2021-08-12 23:52:08,215 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-08-12 23:52:08,216 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-08-12 23:52:08,216 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 20 predicate places. [2021-08-12 23:52:08,216 INFO L482 AbstractCegarLoop]: Abstraction has has 134 places, 267 transitions, 1393 flow [2021-08-12 23:52:08,216 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 89.71428571428571) internal successors, (628), 7 states have internal predecessors, (628), 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) [2021-08-12 23:52:08,216 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:08,216 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 23:52:08,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 23:52:08,216 INFO L430 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:08,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:08,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1779077936, now seen corresponding path program 1 times [2021-08-12 23:52:08,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:08,217 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218954199] [2021-08-12 23:52:08,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:08,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:08,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:08,266 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 23:52:08,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:52:08,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:08,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:08,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:08,291 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:08,291 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218954199] [2021-08-12 23:52:08,292 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218954199] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:08,292 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:08,292 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 23:52:08,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447487608] [2021-08-12 23:52:08,292 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 23:52:08,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:08,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 23:52:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 23:52:08,293 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 109 [2021-08-12 23:52:08,294 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 267 transitions, 1393 flow. Second operand has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 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) [2021-08-12 23:52:08,294 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:08,294 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 109 [2021-08-12 23:52:08,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:08,785 INFO L129 PetriNetUnfolder]: 1244/4378 cut-off events. [2021-08-12 23:52:08,785 INFO L130 PetriNetUnfolder]: For 1226/1440 co-relation queries the response was YES. [2021-08-12 23:52:08,796 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10172 conditions, 4378 events. 1244/4378 cut-off events. For 1226/1440 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 45512 event pairs, 78 based on Foata normal form. 0/4258 useless extension candidates. Maximal degree in co-relation 10105. Up to 1032 conditions per place. [2021-08-12 23:52:08,802 INFO L132 encePairwiseOnDemand]: 103/109 looper letters, 30 selfloop transitions, 29 changer transitions 161/357 dead transitions. [2021-08-12 23:52:08,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 357 transitions, 2277 flow [2021-08-12 23:52:08,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-12 23:52:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-08-12 23:52:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 896 transitions. [2021-08-12 23:52:08,805 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9133537206931702 [2021-08-12 23:52:08,805 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 896 transitions. [2021-08-12 23:52:08,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 896 transitions. [2021-08-12 23:52:08,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:08,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 896 transitions. [2021-08-12 23:52:08,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 99.55555555555556) internal successors, (896), 9 states have internal predecessors, (896), 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) [2021-08-12 23:52:08,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-08-12 23:52:08,808 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 109.0) internal successors, (1090), 10 states have internal predecessors, (1090), 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) [2021-08-12 23:52:08,808 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 28 predicate places. [2021-08-12 23:52:08,808 INFO L482 AbstractCegarLoop]: Abstraction has has 142 places, 357 transitions, 2277 flow [2021-08-12 23:52:08,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 98.16666666666667) internal successors, (589), 6 states have internal predecessors, (589), 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) [2021-08-12 23:52:08,808 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:08,809 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 23:52:08,809 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 23:52:08,809 INFO L430 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:08,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:08,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1626374620, now seen corresponding path program 1 times [2021-08-12 23:52:08,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:08,809 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908913250] [2021-08-12 23:52:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:08,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:08,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:08,867 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-12 23:52:08,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:52:08,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 23:52:08,883 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-12 23:52:08,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:08,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:08,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:08,889 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:08,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908913250] [2021-08-12 23:52:08,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908913250] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:08,890 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:08,890 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 23:52:08,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878483970] [2021-08-12 23:52:08,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 23:52:08,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:08,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 23:52:08,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 23:52:08,891 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 109 [2021-08-12 23:52:08,892 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 357 transitions, 2277 flow. Second operand has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 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) [2021-08-12 23:52:08,892 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:08,892 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 109 [2021-08-12 23:52:08,892 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:09,363 INFO L129 PetriNetUnfolder]: 1237/4383 cut-off events. [2021-08-12 23:52:09,363 INFO L130 PetriNetUnfolder]: For 820/899 co-relation queries the response was YES. [2021-08-12 23:52:09,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9616 conditions, 4383 events. 1237/4383 cut-off events. For 820/899 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 45312 event pairs, 171 based on Foata normal form. 0/4123 useless extension candidates. Maximal degree in co-relation 9546. Up to 732 conditions per place. [2021-08-12 23:52:09,384 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 24 selfloop transitions, 17 changer transitions 51/339 dead transitions. [2021-08-12 23:52:09,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 339 transitions, 2053 flow [2021-08-12 23:52:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-12 23:52:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-08-12 23:52:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 993 transitions. [2021-08-12 23:52:09,386 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9110091743119266 [2021-08-12 23:52:09,386 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 993 transitions. [2021-08-12 23:52:09,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 993 transitions. [2021-08-12 23:52:09,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:09,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 993 transitions. [2021-08-12 23:52:09,388 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 99.3) internal successors, (993), 10 states have internal predecessors, (993), 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) [2021-08-12 23:52:09,390 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 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) [2021-08-12 23:52:09,390 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 109.0) internal successors, (1199), 11 states have internal predecessors, (1199), 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) [2021-08-12 23:52:09,390 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 37 predicate places. [2021-08-12 23:52:09,390 INFO L482 AbstractCegarLoop]: Abstraction has has 151 places, 339 transitions, 2053 flow [2021-08-12 23:52:09,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 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) [2021-08-12 23:52:09,390 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:09,390 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 23:52:09,391 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 23:52:09,391 INFO L430 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:09,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:09,391 INFO L82 PathProgramCache]: Analyzing trace with hash -116506083, now seen corresponding path program 1 times [2021-08-12 23:52:09,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:09,391 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115339919] [2021-08-12 23:52:09,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:09,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:09,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:09,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:09,458 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-12 23:52:09,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:52:09,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 23:52:09,476 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-12 23:52:09,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:09,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:09,483 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:09,483 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115339919] [2021-08-12 23:52:09,483 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115339919] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:09,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:09,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 23:52:09,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318175141] [2021-08-12 23:52:09,484 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 23:52:09,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:09,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 23:52:09,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-12 23:52:09,485 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 109 [2021-08-12 23:52:09,485 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 339 transitions, 2053 flow. Second operand has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 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) [2021-08-12 23:52:09,485 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:09,485 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 109 [2021-08-12 23:52:09,485 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:09,824 INFO L129 PetriNetUnfolder]: 566/2005 cut-off events. [2021-08-12 23:52:09,824 INFO L130 PetriNetUnfolder]: For 440/2460 co-relation queries the response was YES. [2021-08-12 23:52:09,831 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4948 conditions, 2005 events. 566/2005 cut-off events. For 440/2460 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 17758 event pairs, 9 based on Foata normal form. 285/2145 useless extension candidates. Maximal degree in co-relation 4875. Up to 412 conditions per place. [2021-08-12 23:52:09,835 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 22 selfloop transitions, 44 changer transitions 93/278 dead transitions. [2021-08-12 23:52:09,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 278 transitions, 1573 flow [2021-08-12 23:52:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 23:52:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 23:52:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1292 transitions. [2021-08-12 23:52:09,838 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9117854622441779 [2021-08-12 23:52:09,838 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1292 transitions. [2021-08-12 23:52:09,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1292 transitions. [2021-08-12 23:52:09,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:09,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1292 transitions. [2021-08-12 23:52:09,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 99.38461538461539) internal successors, (1292), 13 states have internal predecessors, (1292), 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) [2021-08-12 23:52:09,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-08-12 23:52:09,843 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 109.0) internal successors, (1526), 14 states have internal predecessors, (1526), 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) [2021-08-12 23:52:09,843 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 49 predicate places. [2021-08-12 23:52:09,844 INFO L482 AbstractCegarLoop]: Abstraction has has 163 places, 278 transitions, 1573 flow [2021-08-12 23:52:09,844 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 96.14285714285714) internal successors, (673), 7 states have internal predecessors, (673), 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) [2021-08-12 23:52:09,844 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:09,844 INFO L266 CegarLoopForPetriNet]: 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] [2021-08-12 23:52:09,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 23:52:09,844 INFO L430 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:09,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:09,845 INFO L82 PathProgramCache]: Analyzing trace with hash 702117545, now seen corresponding path program 1 times [2021-08-12 23:52:09,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:09,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525066964] [2021-08-12 23:52:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:09,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:09,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:09,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:09,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:09,934 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-08-12 23:52:09,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:52:09,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 23:52:09,952 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-08-12 23:52:09,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:09,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:09,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:09,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:09,962 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:09,962 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525066964] [2021-08-12 23:52:09,962 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525066964] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:09,962 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:09,962 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 23:52:09,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102997838] [2021-08-12 23:52:09,962 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 23:52:09,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:09,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 23:52:09,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-12 23:52:09,964 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 109 [2021-08-12 23:52:09,964 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 278 transitions, 1573 flow. Second operand has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 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) [2021-08-12 23:52:09,964 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:09,964 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 109 [2021-08-12 23:52:09,964 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:10,282 INFO L129 PetriNetUnfolder]: 475/1453 cut-off events. [2021-08-12 23:52:10,282 INFO L130 PetriNetUnfolder]: For 708/4466 co-relation queries the response was YES. [2021-08-12 23:52:10,289 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4579 conditions, 1453 events. 475/1453 cut-off events. For 708/4466 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 12638 event pairs, 0 based on Foata normal form. 359/1691 useless extension candidates. Maximal degree in co-relation 4503. Up to 369 conditions per place. [2021-08-12 23:52:10,294 INFO L132 encePairwiseOnDemand]: 99/109 looper letters, 19 selfloop transitions, 48 changer transitions 58/219 dead transitions. [2021-08-12 23:52:10,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 219 transitions, 1309 flow [2021-08-12 23:52:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-12 23:52:10,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-12 23:52:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1576 transitions. [2021-08-12 23:52:10,298 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9036697247706422 [2021-08-12 23:52:10,298 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 1576 transitions. [2021-08-12 23:52:10,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 1576 transitions. [2021-08-12 23:52:10,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:10,299 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 1576 transitions. [2021-08-12 23:52:10,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 98.5) internal successors, (1576), 16 states have internal predecessors, (1576), 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) [2021-08-12 23:52:10,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 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) [2021-08-12 23:52:10,305 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 109.0) internal successors, (1853), 17 states have internal predecessors, (1853), 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) [2021-08-12 23:52:10,305 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 49 predicate places. [2021-08-12 23:52:10,305 INFO L482 AbstractCegarLoop]: Abstraction has has 163 places, 219 transitions, 1309 flow [2021-08-12 23:52:10,306 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 96.125) internal successors, (769), 8 states have internal predecessors, (769), 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) [2021-08-12 23:52:10,306 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:10,306 INFO L266 CegarLoopForPetriNet]: 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, 1] [2021-08-12 23:52:10,306 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-12 23:52:10,306 INFO L430 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:10,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:10,306 INFO L82 PathProgramCache]: Analyzing trace with hash 982405061, now seen corresponding path program 1 times [2021-08-12 23:52:10,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:10,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496978466] [2021-08-12 23:52:10,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:52:10,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:10,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:10,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:10,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:10,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:10,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:52:10,381 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-08-12 23:52:10,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:52:10,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:10,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:10,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:10,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:52:10,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:52:10,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:52:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:52:10,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:52:10,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496978466] [2021-08-12 23:52:10,413 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496978466] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:52:10,413 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:52:10,413 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-12 23:52:10,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325190415] [2021-08-12 23:52:10,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-08-12 23:52:10,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:52:10,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-12 23:52:10,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-12 23:52:10,414 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 109 [2021-08-12 23:52:10,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 219 transitions, 1309 flow. Second operand has 7 states, 7 states have (on average 96.42857142857143) internal successors, (675), 7 states have internal predecessors, (675), 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) [2021-08-12 23:52:10,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:52:10,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 109 [2021-08-12 23:52:10,415 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:52:10,633 INFO L129 PetriNetUnfolder]: 782/2318 cut-off events. [2021-08-12 23:52:10,633 INFO L130 PetriNetUnfolder]: For 1011/2421 co-relation queries the response was YES. [2021-08-12 23:52:10,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7362 conditions, 2318 events. 782/2318 cut-off events. For 1011/2421 co-relation queries the response was YES. Maximal size of possible extension queue 351. Compared 22095 event pairs, 1 based on Foata normal form. 0/2141 useless extension candidates. Maximal degree in co-relation 7282. Up to 614 conditions per place. [2021-08-12 23:52:10,645 INFO L132 encePairwiseOnDemand]: 103/109 looper letters, 10 selfloop transitions, 1 changer transitions 84/231 dead transitions. [2021-08-12 23:52:10,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 231 transitions, 1463 flow [2021-08-12 23:52:10,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-12 23:52:10,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-08-12 23:52:10,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 683 transitions. [2021-08-12 23:52:10,646 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8951507208387942 [2021-08-12 23:52:10,646 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 683 transitions. [2021-08-12 23:52:10,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 683 transitions. [2021-08-12 23:52:10,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:52:10,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 683 transitions. [2021-08-12 23:52:10,648 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 97.57142857142857) internal successors, (683), 7 states have internal predecessors, (683), 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) [2021-08-12 23:52:10,649 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 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) [2021-08-12 23:52:10,649 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 109.0) internal successors, (872), 8 states have internal predecessors, (872), 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) [2021-08-12 23:52:10,649 INFO L348 CegarLoopForPetriNet]: 114 programPoint places, 55 predicate places. [2021-08-12 23:52:10,649 INFO L482 AbstractCegarLoop]: Abstraction has has 169 places, 231 transitions, 1463 flow [2021-08-12 23:52:10,650 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 96.42857142857143) internal successors, (675), 7 states have internal predecessors, (675), 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) [2021-08-12 23:52:10,650 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:52:10,650 INFO L266 CegarLoopForPetriNet]: 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, 1] [2021-08-12 23:52:10,650 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-12 23:52:10,650 INFO L430 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-08-12 23:52:10,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:52:10,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1916424115, now seen corresponding path program 2 times [2021-08-12 23:52:10,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:52:10,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964565444] [2021-08-12 23:52:10,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:52:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 23:52:10,681 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 23:52:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-12 23:52:10,715 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-12 23:52:10,740 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-12 23:52:10,741 INFO L651 BasicCegarLoop]: Counterexample might be feasible [2021-08-12 23:52:10,741 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-12 23:52:10,743 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-12 23:52:10,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.08 11:52:10 BasicIcfg [2021-08-12 23:52:10,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-12 23:52:10,831 INFO L168 Benchmark]: Toolchain (without parser) took 6641.53 ms. Allocated memory was 127.9 MB in the beginning and 817.9 MB in the end (delta: 690.0 MB). Free memory was 90.0 MB in the beginning and 520.4 MB in the end (delta: -430.4 MB). Peak memory consumption was 260.6 MB. Max. memory is 8.0 GB. [2021-08-12 23:52:10,831 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 127.9 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 23:52:10,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.55 ms. Allocated memory was 127.9 MB in the beginning and 175.1 MB in the end (delta: 47.2 MB). Free memory was 89.8 MB in the beginning and 126.6 MB in the end (delta: -36.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. [2021-08-12 23:52:10,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.17 ms. Allocated memory is still 175.1 MB. Free memory was 126.6 MB in the beginning and 123.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-12 23:52:10,832 INFO L168 Benchmark]: Boogie Preprocessor took 59.56 ms. Allocated memory is still 175.1 MB. Free memory was 123.8 MB in the beginning and 121.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-12 23:52:10,832 INFO L168 Benchmark]: RCFGBuilder took 1563.13 ms. Allocated memory was 175.1 MB in the beginning and 239.1 MB in the end (delta: 64.0 MB). Free memory was 121.3 MB in the beginning and 160.4 MB in the end (delta: -39.1 MB). Peak memory consumption was 69.8 MB. Max. memory is 8.0 GB. [2021-08-12 23:52:10,833 INFO L168 Benchmark]: TraceAbstraction took 4408.84 ms. Allocated memory was 239.1 MB in the beginning and 817.9 MB in the end (delta: 578.8 MB). Free memory was 159.9 MB in the beginning and 520.4 MB in the end (delta: -360.5 MB). Peak memory consumption was 218.8 MB. Max. memory is 8.0 GB. [2021-08-12 23:52:10,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 127.9 MB. Free memory is still 108.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 540.55 ms. Allocated memory was 127.9 MB in the beginning and 175.1 MB in the end (delta: 47.2 MB). Free memory was 89.8 MB in the beginning and 126.6 MB in the end (delta: -36.8 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 64.17 ms. Allocated memory is still 175.1 MB. Free memory was 126.6 MB in the beginning and 123.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.56 ms. Allocated memory is still 175.1 MB. Free memory was 123.8 MB in the beginning and 121.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1563.13 ms. Allocated memory was 175.1 MB in the beginning and 239.1 MB in the end (delta: 64.0 MB). Free memory was 121.3 MB in the beginning and 160.4 MB in the end (delta: -39.1 MB). Peak memory consumption was 69.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4408.84 ms. Allocated memory was 239.1 MB in the beginning and 817.9 MB in the end (delta: 578.8 MB). Free memory was 159.9 MB in the beginning and 520.4 MB in the end (delta: -360.5 MB). Peak memory consumption was 218.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L713] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L715] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L717] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L718] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L719] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L721] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L723] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L724] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L725] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L726] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L727] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L728] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L729] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L730] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L731] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L732] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L733] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L734] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L735] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L736] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L737] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L738] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L739] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L742] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L743] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L846] 0 pthread_t t162; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L847] FCALL, FORK 0 pthread_create(&t162, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L848] 0 pthread_t t163; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L849] FCALL, FORK 0 pthread_create(&t163, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L850] 0 pthread_t t164; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L851] FCALL, FORK 0 pthread_create(&t164, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L793] 3 y$w_buff1 = y$w_buff0 [L794] 3 y$w_buff0 = 1 [L795] 3 y$w_buff1_used = y$w_buff0_used [L796] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L798] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L799] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L800] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L801] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L802] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 y$flush_delayed = weak$$choice2 [L808] 3 y$mem_tmp = y [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1 [L809] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L809] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L810] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L810] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L811] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L811] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L812] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L812] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L813] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L813] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L814] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L815] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L815] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EAX = y [L817] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L817] 3 y = y$flush_delayed ? y$mem_tmp : y [L818] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L821] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L747] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L750] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __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=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L765] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __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=255, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L768] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L769] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L770] 2 y$flush_delayed = weak$$choice2 [L771] 2 y$mem_tmp = y [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L772] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L773] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L773] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L774] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L774] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L775] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L775] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L776] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L777] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L777] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L778] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 __unbuffered_p1_EBX = y [L780] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L780] 2 y = y$flush_delayed ? y$mem_tmp : y [L781] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L786] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L864] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 136 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 9.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 4215.6ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3102.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 60.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 111 SDtfs, 270 SDslu, 338 SDs, 0 SdLazy, 375 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 349.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 636.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2277occurred in iteration=4, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 24.2ms SsaConstructionTime, 235.8ms SatisfiabilityAnalysisTime, 608.6ms InterpolantComputationTime, 678 NumberOfCodeBlocks, 678 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 585 ConstructedInterpolants, 0 QuantifiedInterpolants, 2505 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! Received shutdown request...