/usr/bin/java -Xmx16000000000 -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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 20:13:08,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 20:13:08,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 20:13:08,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 20:13:08,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 20:13:08,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 20:13:08,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 20:13:08,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 20:13:08,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 20:13:08,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 20:13:08,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 20:13:08,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 20:13:08,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 20:13:08,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 20:13:08,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 20:13:08,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 20:13:08,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 20:13:08,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 20:13:08,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 20:13:08,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 20:13:08,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 20:13:08,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 20:13:08,987 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 20:13:08,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 20:13:08,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 20:13:08,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 20:13:08,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 20:13:08,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 20:13:08,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 20:13:08,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 20:13:08,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 20:13:08,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 20:13:08,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 20:13:08,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 20:13:08,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 20:13:08,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 20:13:08,995 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-SemanticLbe.epf [2021-03-11 20:13:09,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 20:13:09,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 20:13:09,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 20:13:09,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 20:13:09,013 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 20:13:09,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 20:13:09,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 20:13:09,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 20:13:09,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 20:13:09,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 20:13:09,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 20:13:09,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 20:13:09,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 20:13:09,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 20:13:09,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 20:13:09,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 20:13:09,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 20:13:09,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 20:13:09,257 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 20:13:09,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.oepc.i [2021-03-11 20:13:09,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82008adf/6cc3015385d246128698ad65db19d5e6/FLAG3bcf6c78e [2021-03-11 20:13:09,743 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 20:13:09,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.oepc.i [2021-03-11 20:13:09,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82008adf/6cc3015385d246128698ad65db19d5e6/FLAG3bcf6c78e [2021-03-11 20:13:09,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82008adf/6cc3015385d246128698ad65db19d5e6 [2021-03-11 20:13:09,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 20:13:09,782 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 20:13:09,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 20:13:09,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 20:13:09,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 20:13:09,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:13:09" (1/1) ... [2021-03-11 20:13:09,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20d1f81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:09, skipping insertion in model container [2021-03-11 20:13:09,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 08:13:09" (1/1) ... [2021-03-11 20:13:09,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 20:13:09,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 20:13:10,025 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.oepc.i[949,962] [2021-03-11 20:13:10,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:13:10,207 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 20:13:10,216 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.oepc.i[949,962] [2021-03-11 20:13:10,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 20:13:10,320 INFO L208 MainTranslator]: Completed translation [2021-03-11 20:13:10,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10 WrapperNode [2021-03-11 20:13:10,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 20:13:10,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 20:13:10,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 20:13:10,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 20:13:10,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 20:13:10,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 20:13:10,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 20:13:10,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 20:13:10,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (1/1) ... [2021-03-11 20:13:10,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 20:13:10,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 20:13:10,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 20:13:10,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 20:13:10,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (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 [2021-03-11 20:13:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 20:13:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 20:13:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 20:13:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 20:13:10,454 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-11 20:13:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-11 20:13:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-11 20:13:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-11 20:13:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-11 20:13:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-11 20:13:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-11 20:13:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-11 20:13:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 20:13:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 20:13:10,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 20:13:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 20:13:10,456 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 20:13:11,788 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 20:13:11,788 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-11 20:13:11,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:13:11 BoogieIcfgContainer [2021-03-11 20:13:11,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 20:13:11,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 20:13:11,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 20:13:11,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 20:13:11,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 08:13:09" (1/3) ... [2021-03-11 20:13:11,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fb3c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:13:11, skipping insertion in model container [2021-03-11 20:13:11,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 08:13:10" (2/3) ... [2021-03-11 20:13:11,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29fb3c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 08:13:11, skipping insertion in model container [2021-03-11 20:13:11,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 08:13:11" (3/3) ... [2021-03-11 20:13:11,795 INFO L111 eAbstractionObserver]: Analyzing ICFG mix051_pso.oepc.i [2021-03-11 20:13:11,801 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 20:13:11,805 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 20:13:11,805 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,839 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,840 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,841 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,842 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,843 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,844 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,845 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,846 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,850 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,850 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,851 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,852 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,853 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,855 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,859 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,860 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,862 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,863 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,864 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,865 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,866 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,867 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,868 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,869 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,874 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,876 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,876 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,878 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 20:13:11,889 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 20:13:11,902 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-11 20:13:11,920 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 20:13:11,920 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 20:13:11,920 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 20:13:11,920 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 20:13:11,920 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 20:13:11,920 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 20:13:11,920 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 20:13:11,921 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 20:13:11,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 252 flow [2021-03-11 20:13:11,965 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-11 20:13:11,966 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:13:11,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 90 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-11 20:13:11,969 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 116 transitions, 252 flow [2021-03-11 20:13:11,973 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 112 transitions, 236 flow [2021-03-11 20:13:11,975 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 20:13:11,982 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-11 20:13:11,984 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 112 transitions, 236 flow [2021-03-11 20:13:11,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 236 flow [2021-03-11 20:13:12,008 INFO L129 PetriNetUnfolder]: 2/112 cut-off events. [2021-03-11 20:13:12,008 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:13:12,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 2/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 87 event pairs, 0 based on Foata normal form. 0/108 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-03-11 20:13:12,011 INFO L116 LiptonReduction]: Number of co-enabled transitions 2672 [2021-03-11 20:13:13,139 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-11 20:13:13,511 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 88 [2021-03-11 20:13:13,651 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-11 20:13:16,295 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-11 20:13:16,432 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-11 20:13:16,706 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-11 20:13:16,836 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-11 20:13:16,846 INFO L131 LiptonReduction]: Checked pairs total: 7186 [2021-03-11 20:13:16,846 INFO L133 LiptonReduction]: Total number of compositions: 92 [2021-03-11 20:13:16,847 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4874 [2021-03-11 20:13:16,851 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-03-11 20:13:16,851 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:13:16,852 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:16,852 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-03-11 20:13:16,852 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:16,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:16,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1204455, now seen corresponding path program 1 times [2021-03-11 20:13:16,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:16,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536639021] [2021-03-11 20:13:16,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:16,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:16,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:16,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:16,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536639021] [2021-03-11 20:13:16,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:16,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 20:13:16,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350469955] [2021-03-11 20:13:16,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 20:13:16,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:17,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 20:13:17,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 20:13:17,006 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 208 [2021-03-11 20:13:17,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 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) [2021-03-11 20:13:17,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:17,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 208 [2021-03-11 20:13:17,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:17,098 INFO L129 PetriNetUnfolder]: 133/315 cut-off events. [2021-03-11 20:13:17,098 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:13:17,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 315 events. 133/315 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1684 event pairs, 110 based on Foata normal form. 33/322 useless extension candidates. Maximal degree in co-relation 523. Up to 153 conditions per place. [2021-03-11 20:13:17,103 INFO L132 encePairwiseOnDemand]: 204/208 looper letters, 11 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2021-03-11 20:13:17,103 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 34 transitions, 106 flow [2021-03-11 20:13:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 20:13:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 20:13:17,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2021-03-11 20:13:17,116 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8766025641025641 [2021-03-11 20:13:17,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 547 transitions. [2021-03-11 20:13:17,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 547 transitions. [2021-03-11 20:13:17,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:17,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 547 transitions. [2021-03-11 20:13:17,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2021-03-11 20:13:17,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 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) [2021-03-11 20:13:17,131 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 208.0) internal successors, (832), 4 states have internal predecessors, (832), 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) [2021-03-11 20:13:17,132 INFO L185 Difference]: Start difference. First operand has 43 places, 31 transitions, 74 flow. Second operand 3 states and 547 transitions. [2021-03-11 20:13:17,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 34 transitions, 106 flow [2021-03-11 20:13:17,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 102 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 20:13:17,135 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 70 flow [2021-03-11 20:13:17,138 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-03-11 20:13:17,138 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2021-03-11 20:13:17,138 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 70 flow [2021-03-11 20:13:17,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 177.66666666666666) internal successors, (533), 3 states have internal predecessors, (533), 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) [2021-03-11 20:13:17,139 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:17,139 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:13:17,139 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 20:13:17,140 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:17,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:17,141 INFO L82 PathProgramCache]: Analyzing trace with hash 588740583, now seen corresponding path program 1 times [2021-03-11 20:13:17,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:17,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490106101] [2021-03-11 20:13:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:17,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:17,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490106101] [2021-03-11 20:13:17,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:17,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 20:13:17,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027755756] [2021-03-11 20:13:17,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:13:17,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:17,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:13:17,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:13:17,252 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 208 [2021-03-11 20:13:17,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 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) [2021-03-11 20:13:17,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:17,252 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 208 [2021-03-11 20:13:17,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:17,281 INFO L129 PetriNetUnfolder]: 12/78 cut-off events. [2021-03-11 20:13:17,281 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 20:13:17,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 78 events. 12/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 265 event pairs, 3 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 115. Up to 20 conditions per place. [2021-03-11 20:13:17,282 INFO L132 encePairwiseOnDemand]: 203/208 looper letters, 4 selfloop transitions, 3 changer transitions 8/38 dead transitions. [2021-03-11 20:13:17,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 38 transitions, 118 flow [2021-03-11 20:13:17,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:13:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:13:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 872 transitions. [2021-03-11 20:13:17,284 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8384615384615385 [2021-03-11 20:13:17,284 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 872 transitions. [2021-03-11 20:13:17,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 872 transitions. [2021-03-11 20:13:17,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:17,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 872 transitions. [2021-03-11 20:13:17,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 174.4) internal successors, (872), 5 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) [2021-03-11 20:13:17,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:17,288 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:17,288 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 70 flow. Second operand 5 states and 872 transitions. [2021-03-11 20:13:17,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 38 transitions, 118 flow [2021-03-11 20:13:17,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 20:13:17,289 INFO L241 Difference]: Finished difference. Result has 45 places, 30 transitions, 91 flow [2021-03-11 20:13:17,289 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=91, PETRI_PLACES=45, PETRI_TRANSITIONS=30} [2021-03-11 20:13:17,289 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 2 predicate places. [2021-03-11 20:13:17,289 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 30 transitions, 91 flow [2021-03-11 20:13:17,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 171.75) internal successors, (687), 4 states have internal predecessors, (687), 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) [2021-03-11 20:13:17,290 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:17,290 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:13:17,290 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 20:13:17,290 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:17,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:17,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1680424481, now seen corresponding path program 1 times [2021-03-11 20:13:17,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:17,290 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321125924] [2021-03-11 20:13:17,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:17,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,353 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 20:13:17,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:17,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:13:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:17,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321125924] [2021-03-11 20:13:17,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:17,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:13:17,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010940303] [2021-03-11 20:13:17,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:13:17,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:17,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:13:17,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:13:17,362 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 208 [2021-03-11 20:13:17,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 30 transitions, 91 flow. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 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) [2021-03-11 20:13:17,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:17,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 208 [2021-03-11 20:13:17,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:17,412 INFO L129 PetriNetUnfolder]: 152/320 cut-off events. [2021-03-11 20:13:17,413 INFO L130 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2021-03-11 20:13:17,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 320 events. 152/320 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1674 event pairs, 78 based on Foata normal form. 20/312 useless extension candidates. Maximal degree in co-relation 667. Up to 160 conditions per place. [2021-03-11 20:13:17,434 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 9 selfloop transitions, 9 changer transitions 2/43 dead transitions. [2021-03-11 20:13:17,434 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 43 transitions, 157 flow [2021-03-11 20:13:17,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:13:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:13:17,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 867 transitions. [2021-03-11 20:13:17,436 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8336538461538462 [2021-03-11 20:13:17,436 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 867 transitions. [2021-03-11 20:13:17,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 867 transitions. [2021-03-11 20:13:17,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:17,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 867 transitions. [2021-03-11 20:13:17,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.4) internal successors, (867), 5 states have internal predecessors, (867), 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) [2021-03-11 20:13:17,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:17,440 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:17,441 INFO L185 Difference]: Start difference. First operand has 45 places, 30 transitions, 91 flow. Second operand 5 states and 867 transitions. [2021-03-11 20:13:17,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 43 transitions, 157 flow [2021-03-11 20:13:17,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 43 transitions, 152 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-11 20:13:17,443 INFO L241 Difference]: Finished difference. Result has 47 places, 38 transitions, 155 flow [2021-03-11 20:13:17,444 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2021-03-11 20:13:17,444 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 4 predicate places. [2021-03-11 20:13:17,444 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 155 flow [2021-03-11 20:13:17,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 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) [2021-03-11 20:13:17,444 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:17,444 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:13:17,444 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 20:13:17,444 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:17,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1798641889, now seen corresponding path program 1 times [2021-03-11 20:13:17,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:17,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742995961] [2021-03-11 20:13:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:17,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:13:17,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:17,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742995961] [2021-03-11 20:13:17,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:17,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 20:13:17,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447207409] [2021-03-11 20:13:17,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 20:13:17,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:17,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 20:13:17,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-11 20:13:17,537 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 208 [2021-03-11 20:13:17,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 155 flow. Second operand has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2021-03-11 20:13:17,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:17,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 208 [2021-03-11 20:13:17,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:17,607 INFO L129 PetriNetUnfolder]: 202/470 cut-off events. [2021-03-11 20:13:17,607 INFO L130 PetriNetUnfolder]: For 254/321 co-relation queries the response was YES. [2021-03-11 20:13:17,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1327 conditions, 470 events. 202/470 cut-off events. For 254/321 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2891 event pairs, 105 based on Foata normal form. 31/463 useless extension candidates. Maximal degree in co-relation 1312. Up to 293 conditions per place. [2021-03-11 20:13:17,611 INFO L132 encePairwiseOnDemand]: 204/208 looper letters, 5 selfloop transitions, 5 changer transitions 4/41 dead transitions. [2021-03-11 20:13:17,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 41 transitions, 189 flow [2021-03-11 20:13:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:13:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:13:17,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 866 transitions. [2021-03-11 20:13:17,613 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8326923076923077 [2021-03-11 20:13:17,613 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 866 transitions. [2021-03-11 20:13:17,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 866 transitions. [2021-03-11 20:13:17,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:17,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 866 transitions. [2021-03-11 20:13:17,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.2) internal successors, (866), 5 states have internal predecessors, (866), 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) [2021-03-11 20:13:17,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:17,617 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:17,617 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 155 flow. Second operand 5 states and 866 transitions. [2021-03-11 20:13:17,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 41 transitions, 189 flow [2021-03-11 20:13:17,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 180 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-11 20:13:17,620 INFO L241 Difference]: Finished difference. Result has 53 places, 36 transitions, 155 flow [2021-03-11 20:13:17,620 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=155, PETRI_PLACES=53, PETRI_TRANSITIONS=36} [2021-03-11 20:13:17,620 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 10 predicate places. [2021-03-11 20:13:17,620 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 36 transitions, 155 flow [2021-03-11 20:13:17,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2021-03-11 20:13:17,620 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:17,620 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:13:17,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 20:13:17,621 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:17,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:17,621 INFO L82 PathProgramCache]: Analyzing trace with hash 514355449, now seen corresponding path program 1 times [2021-03-11 20:13:17,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:17,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405524115] [2021-03-11 20:13:17,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:17,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,705 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 20:13:17,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:17,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:13:17,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:17,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405524115] [2021-03-11 20:13:17,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:17,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:13:17,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346115382] [2021-03-11 20:13:17,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:13:17,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:17,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:13:17,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:13:17,715 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 208 [2021-03-11 20:13:17,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 36 transitions, 155 flow. Second operand has 5 states, 5 states have (on average 169.8) internal successors, (849), 5 states have internal predecessors, (849), 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) [2021-03-11 20:13:17,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:17,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 208 [2021-03-11 20:13:17,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:17,790 INFO L129 PetriNetUnfolder]: 140/338 cut-off events. [2021-03-11 20:13:17,791 INFO L130 PetriNetUnfolder]: For 376/448 co-relation queries the response was YES. [2021-03-11 20:13:17,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1224 conditions, 338 events. 140/338 cut-off events. For 376/448 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1851 event pairs, 34 based on Foata normal form. 34/347 useless extension candidates. Maximal degree in co-relation 1206. Up to 220 conditions per place. [2021-03-11 20:13:17,793 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 6 selfloop transitions, 9 changer transitions 9/49 dead transitions. [2021-03-11 20:13:17,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 49 transitions, 279 flow [2021-03-11 20:13:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:13:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:13:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1040 transitions. [2021-03-11 20:13:17,795 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-03-11 20:13:17,795 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1040 transitions. [2021-03-11 20:13:17,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1040 transitions. [2021-03-11 20:13:17,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:17,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1040 transitions. [2021-03-11 20:13:17,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 173.33333333333334) internal successors, (1040), 6 states have internal predecessors, (1040), 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) [2021-03-11 20:13:17,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 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) [2021-03-11 20:13:17,800 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 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) [2021-03-11 20:13:17,800 INFO L185 Difference]: Start difference. First operand has 53 places, 36 transitions, 155 flow. Second operand 6 states and 1040 transitions. [2021-03-11 20:13:17,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 49 transitions, 279 flow [2021-03-11 20:13:17,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 49 transitions, 268 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-03-11 20:13:17,805 INFO L241 Difference]: Finished difference. Result has 57 places, 40 transitions, 216 flow [2021-03-11 20:13:17,805 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=216, PETRI_PLACES=57, PETRI_TRANSITIONS=40} [2021-03-11 20:13:17,805 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 14 predicate places. [2021-03-11 20:13:17,805 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 40 transitions, 216 flow [2021-03-11 20:13:17,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 169.8) internal successors, (849), 5 states have internal predecessors, (849), 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) [2021-03-11 20:13:17,806 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:17,806 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 20:13:17,806 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 20:13:17,806 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:17,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:17,806 INFO L82 PathProgramCache]: Analyzing trace with hash 884638707, now seen corresponding path program 1 times [2021-03-11 20:13:17,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:17,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461602630] [2021-03-11 20:13:17,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:17,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:17,899 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 20:13:17,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:17,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:17,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:13:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:17,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461602630] [2021-03-11 20:13:17,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:17,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 20:13:17,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239038500] [2021-03-11 20:13:17,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 20:13:17,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:17,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 20:13:17,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-11 20:13:17,909 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 208 [2021-03-11 20:13:17,909 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 40 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 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) [2021-03-11 20:13:17,909 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:17,909 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 208 [2021-03-11 20:13:17,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:17,965 INFO L129 PetriNetUnfolder]: 72/191 cut-off events. [2021-03-11 20:13:17,965 INFO L130 PetriNetUnfolder]: For 407/500 co-relation queries the response was YES. [2021-03-11 20:13:17,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 917 conditions, 191 events. 72/191 cut-off events. For 407/500 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 807 event pairs, 5 based on Foata normal form. 35/212 useless extension candidates. Maximal degree in co-relation 896. Up to 132 conditions per place. [2021-03-11 20:13:17,966 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 6 selfloop transitions, 13 changer transitions 11/53 dead transitions. [2021-03-11 20:13:17,967 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 53 transitions, 398 flow [2021-03-11 20:13:17,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 20:13:17,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 20:13:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1213 transitions. [2021-03-11 20:13:17,970 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8331043956043956 [2021-03-11 20:13:17,970 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1213 transitions. [2021-03-11 20:13:17,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1213 transitions. [2021-03-11 20:13:17,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:17,970 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1213 transitions. [2021-03-11 20:13:17,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 173.28571428571428) internal successors, (1213), 7 states have internal predecessors, (1213), 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) [2021-03-11 20:13:17,974 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 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) [2021-03-11 20:13:17,974 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 208.0) internal successors, (1664), 8 states have internal predecessors, (1664), 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) [2021-03-11 20:13:17,974 INFO L185 Difference]: Start difference. First operand has 57 places, 40 transitions, 216 flow. Second operand 7 states and 1213 transitions. [2021-03-11 20:13:17,974 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 53 transitions, 398 flow [2021-03-11 20:13:17,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 53 transitions, 336 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-11 20:13:17,977 INFO L241 Difference]: Finished difference. Result has 60 places, 42 transitions, 254 flow [2021-03-11 20:13:17,977 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=254, PETRI_PLACES=60, PETRI_TRANSITIONS=42} [2021-03-11 20:13:17,978 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 17 predicate places. [2021-03-11 20:13:17,978 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 42 transitions, 254 flow [2021-03-11 20:13:17,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 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) [2021-03-11 20:13:17,978 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:17,978 INFO L255 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] [2021-03-11 20:13:17,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 20:13:17,978 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:17,979 INFO L82 PathProgramCache]: Analyzing trace with hash -496510326, now seen corresponding path program 1 times [2021-03-11 20:13:17,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:17,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520882248] [2021-03-11 20:13:17,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:13:18,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:18,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:18,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520882248] [2021-03-11 20:13:18,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:18,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:13:18,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734878123] [2021-03-11 20:13:18,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:13:18,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:18,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:13:18,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:13:18,080 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 208 [2021-03-11 20:13:18,080 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 42 transitions, 254 flow. Second operand has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 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) [2021-03-11 20:13:18,080 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:18,080 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 208 [2021-03-11 20:13:18,080 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:18,128 INFO L129 PetriNetUnfolder]: 101/262 cut-off events. [2021-03-11 20:13:18,128 INFO L130 PetriNetUnfolder]: For 704/774 co-relation queries the response was YES. [2021-03-11 20:13:18,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1131 conditions, 262 events. 101/262 cut-off events. For 704/774 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1256 event pairs, 9 based on Foata normal form. 15/253 useless extension candidates. Maximal degree in co-relation 1109. Up to 163 conditions per place. [2021-03-11 20:13:18,129 INFO L132 encePairwiseOnDemand]: 204/208 looper letters, 7 selfloop transitions, 2 changer transitions 1/47 dead transitions. [2021-03-11 20:13:18,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 47 transitions, 304 flow [2021-03-11 20:13:18,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 20:13:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 20:13:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 836 transitions. [2021-03-11 20:13:18,131 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.8038461538461539 [2021-03-11 20:13:18,131 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 836 transitions. [2021-03-11 20:13:18,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 836 transitions. [2021-03-11 20:13:18,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:18,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 836 transitions. [2021-03-11 20:13:18,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 167.2) internal successors, (836), 5 states have internal predecessors, (836), 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) [2021-03-11 20:13:18,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:18,136 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 208.0) internal successors, (1248), 6 states have internal predecessors, (1248), 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) [2021-03-11 20:13:18,136 INFO L185 Difference]: Start difference. First operand has 60 places, 42 transitions, 254 flow. Second operand 5 states and 836 transitions. [2021-03-11 20:13:18,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 47 transitions, 304 flow [2021-03-11 20:13:18,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 47 transitions, 238 flow, removed 24 selfloop flow, removed 7 redundant places. [2021-03-11 20:13:18,140 INFO L241 Difference]: Finished difference. Result has 56 places, 43 transitions, 211 flow [2021-03-11 20:13:18,140 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=211, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2021-03-11 20:13:18,140 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 13 predicate places. [2021-03-11 20:13:18,140 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 211 flow [2021-03-11 20:13:18,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 166.0) internal successors, (830), 5 states have internal predecessors, (830), 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) [2021-03-11 20:13:18,140 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:18,140 INFO L255 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] [2021-03-11 20:13:18,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-11 20:13:18,141 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:18,141 INFO L82 PathProgramCache]: Analyzing trace with hash 724825004, now seen corresponding path program 2 times [2021-03-11 20:13:18,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:18,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700769197] [2021-03-11 20:13:18,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:18,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,230 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-11 20:13:18,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:18,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:13:18,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:18,238 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700769197] [2021-03-11 20:13:18,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:18,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-11 20:13:18,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985819398] [2021-03-11 20:13:18,239 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 20:13:18,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:18,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 20:13:18,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 20:13:18,240 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 208 [2021-03-11 20:13:18,241 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 211 flow. Second operand has 7 states, 7 states have (on average 169.85714285714286) internal successors, (1189), 7 states have internal predecessors, (1189), 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) [2021-03-11 20:13:18,241 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:18,241 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 208 [2021-03-11 20:13:18,241 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:18,302 INFO L129 PetriNetUnfolder]: 77/193 cut-off events. [2021-03-11 20:13:18,302 INFO L130 PetriNetUnfolder]: For 336/467 co-relation queries the response was YES. [2021-03-11 20:13:18,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 193 events. 77/193 cut-off events. For 336/467 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 816 event pairs, 0 based on Foata normal form. 55/224 useless extension candidates. Maximal degree in co-relation 722. Up to 101 conditions per place. [2021-03-11 20:13:18,303 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 2 selfloop transitions, 17 changer transitions 7/48 dead transitions. [2021-03-11 20:13:18,303 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 48 transitions, 307 flow [2021-03-11 20:13:18,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:13:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:13:18,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1378 transitions. [2021-03-11 20:13:18,306 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.828125 [2021-03-11 20:13:18,306 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1378 transitions. [2021-03-11 20:13:18,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1378 transitions. [2021-03-11 20:13:18,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:18,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1378 transitions. [2021-03-11 20:13:18,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 172.25) internal successors, (1378), 8 states have internal predecessors, (1378), 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) [2021-03-11 20:13:18,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 208.0) internal successors, (1872), 9 states have internal predecessors, (1872), 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) [2021-03-11 20:13:18,310 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 208.0) internal successors, (1872), 9 states have internal predecessors, (1872), 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) [2021-03-11 20:13:18,310 INFO L185 Difference]: Start difference. First operand has 56 places, 43 transitions, 211 flow. Second operand 8 states and 1378 transitions. [2021-03-11 20:13:18,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 48 transitions, 307 flow [2021-03-11 20:13:18,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 48 transitions, 282 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-11 20:13:18,314 INFO L241 Difference]: Finished difference. Result has 62 places, 41 transitions, 232 flow [2021-03-11 20:13:18,314 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=232, PETRI_PLACES=62, PETRI_TRANSITIONS=41} [2021-03-11 20:13:18,314 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 19 predicate places. [2021-03-11 20:13:18,314 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 41 transitions, 232 flow [2021-03-11 20:13:18,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 169.85714285714286) internal successors, (1189), 7 states have internal predecessors, (1189), 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) [2021-03-11 20:13:18,315 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:18,315 INFO L255 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] [2021-03-11 20:13:18,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 20:13:18,315 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:18,315 INFO L82 PathProgramCache]: Analyzing trace with hash -633849370, now seen corresponding path program 1 times [2021-03-11 20:13:18,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:18,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195222589] [2021-03-11 20:13:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:18,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 20:13:18,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,419 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-03-11 20:13:18,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-11 20:13:18,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:18,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:18,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195222589] [2021-03-11 20:13:18,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:18,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 20:13:18,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403831304] [2021-03-11 20:13:18,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 20:13:18,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:18,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 20:13:18,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 20:13:18,435 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 208 [2021-03-11 20:13:18,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 41 transitions, 232 flow. Second operand has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 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) [2021-03-11 20:13:18,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:18,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 208 [2021-03-11 20:13:18,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:18,508 INFO L129 PetriNetUnfolder]: 130/323 cut-off events. [2021-03-11 20:13:18,508 INFO L130 PetriNetUnfolder]: For 483/552 co-relation queries the response was YES. [2021-03-11 20:13:18,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1068 conditions, 323 events. 130/323 cut-off events. For 483/552 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1686 event pairs, 1 based on Foata normal form. 3/302 useless extension candidates. Maximal degree in co-relation 1046. Up to 109 conditions per place. [2021-03-11 20:13:18,510 INFO L132 encePairwiseOnDemand]: 199/208 looper letters, 11 selfloop transitions, 10 changer transitions 4/56 dead transitions. [2021-03-11 20:13:18,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 56 transitions, 344 flow [2021-03-11 20:13:18,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 20:13:18,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 20:13:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 936 transitions. [2021-03-11 20:13:18,512 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-03-11 20:13:18,512 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 936 transitions. [2021-03-11 20:13:18,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 936 transitions. [2021-03-11 20:13:18,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:18,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 936 transitions. [2021-03-11 20:13:18,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 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) [2021-03-11 20:13:18,516 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 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) [2021-03-11 20:13:18,516 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 208.0) internal successors, (1456), 7 states have internal predecessors, (1456), 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) [2021-03-11 20:13:18,516 INFO L185 Difference]: Start difference. First operand has 62 places, 41 transitions, 232 flow. Second operand 6 states and 936 transitions. [2021-03-11 20:13:18,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 56 transitions, 344 flow [2021-03-11 20:13:18,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 56 transitions, 266 flow, removed 17 selfloop flow, removed 10 redundant places. [2021-03-11 20:13:18,520 INFO L241 Difference]: Finished difference. Result has 60 places, 49 transitions, 249 flow [2021-03-11 20:13:18,520 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=249, PETRI_PLACES=60, PETRI_TRANSITIONS=49} [2021-03-11 20:13:18,520 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 17 predicate places. [2021-03-11 20:13:18,520 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 249 flow [2021-03-11 20:13:18,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 153.8) internal successors, (769), 5 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) [2021-03-11 20:13:18,521 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:18,521 INFO L255 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] [2021-03-11 20:13:18,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 20:13:18,521 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:18,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:18,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1707828594, now seen corresponding path program 2 times [2021-03-11 20:13:18,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:18,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981375299] [2021-03-11 20:13:18,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 20:13:18,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:13:18,638 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-03-11 20:13:18,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-11 20:13:18,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-11 20:13:18,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-11 20:13:18,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 20:13:18,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 20:13:18,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 20:13:18,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 20:13:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 20:13:18,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981375299] [2021-03-11 20:13:18,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 20:13:18,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-11 20:13:18,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494971726] [2021-03-11 20:13:18,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-11 20:13:18,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 20:13:18,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-11 20:13:18,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-03-11 20:13:18,710 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 208 [2021-03-11 20:13:18,711 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 249 flow. Second operand has 9 states, 9 states have (on average 139.11111111111111) internal successors, (1252), 9 states have internal predecessors, (1252), 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) [2021-03-11 20:13:18,711 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 20:13:18,711 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 208 [2021-03-11 20:13:18,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 20:13:19,012 INFO L129 PetriNetUnfolder]: 538/1168 cut-off events. [2021-03-11 20:13:19,012 INFO L130 PetriNetUnfolder]: For 893/932 co-relation queries the response was YES. [2021-03-11 20:13:19,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3222 conditions, 1168 events. 538/1168 cut-off events. For 893/932 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 8307 event pairs, 56 based on Foata normal form. 2/1066 useless extension candidates. Maximal degree in co-relation 3206. Up to 333 conditions per place. [2021-03-11 20:13:19,018 INFO L132 encePairwiseOnDemand]: 201/208 looper letters, 13 selfloop transitions, 6 changer transitions 8/63 dead transitions. [2021-03-11 20:13:19,018 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 63 transitions, 343 flow [2021-03-11 20:13:19,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-11 20:13:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-11 20:13:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1127 transitions. [2021-03-11 20:13:19,021 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6772836538461539 [2021-03-11 20:13:19,021 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1127 transitions. [2021-03-11 20:13:19,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1127 transitions. [2021-03-11 20:13:19,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 20:13:19,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1127 transitions. [2021-03-11 20:13:19,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 140.875) internal successors, (1127), 8 states have internal predecessors, (1127), 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) [2021-03-11 20:13:19,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 208.0) internal successors, (1872), 9 states have internal predecessors, (1872), 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) [2021-03-11 20:13:19,025 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 208.0) internal successors, (1872), 9 states have internal predecessors, (1872), 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) [2021-03-11 20:13:19,025 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 249 flow. Second operand 8 states and 1127 transitions. [2021-03-11 20:13:19,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 63 transitions, 343 flow [2021-03-11 20:13:19,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 63 transitions, 341 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-11 20:13:19,040 INFO L241 Difference]: Finished difference. Result has 68 places, 49 transitions, 268 flow [2021-03-11 20:13:19,041 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=208, PETRI_DIFFERENCE_MINUEND_FLOW=247, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=268, PETRI_PLACES=68, PETRI_TRANSITIONS=49} [2021-03-11 20:13:19,041 INFO L335 CegarLoopForPetriNet]: 43 programPoint places, 25 predicate places. [2021-03-11 20:13:19,041 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 49 transitions, 268 flow [2021-03-11 20:13:19,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 139.11111111111111) internal successors, (1252), 9 states have internal predecessors, (1252), 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) [2021-03-11 20:13:19,042 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 20:13:19,042 INFO L255 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] [2021-03-11 20:13:19,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 20:13:19,042 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 20:13:19,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 20:13:19,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1650269250, now seen corresponding path program 3 times [2021-03-11 20:13:19,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 20:13:19,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022246255] [2021-03-11 20:13:19,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 20:13:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:13:19,098 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:13:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 20:13:19,148 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 20:13:19,181 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 20:13:19,181 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 20:13:19,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-11 20:13:19,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 08:13:19 BasicIcfg [2021-03-11 20:13:19,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 20:13:19,267 INFO L168 Benchmark]: Toolchain (without parser) took 9487.27 ms. Allocated memory was 255.9 MB in the beginning and 595.6 MB in the end (delta: 339.7 MB). Free memory was 234.7 MB in the beginning and 383.4 MB in the end (delta: -148.7 MB). Peak memory consumption was 190.8 MB. Max. memory is 16.0 GB. [2021-03-11 20:13:19,267 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 210.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 20:13:19,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 536.63 ms. Allocated memory was 255.9 MB in the beginning and 373.3 MB in the end (delta: 117.4 MB). Free memory was 234.7 MB in the beginning and 331.8 MB in the end (delta: -97.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-11 20:13:19,267 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.79 ms. Allocated memory is still 373.3 MB. Free memory was 331.8 MB in the beginning and 328.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-11 20:13:19,268 INFO L168 Benchmark]: Boogie Preprocessor took 20.93 ms. Allocated memory is still 373.3 MB. Free memory was 328.9 MB in the beginning and 326.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:13:19,268 INFO L168 Benchmark]: RCFGBuilder took 1384.91 ms. Allocated memory is still 373.3 MB. Free memory was 326.8 MB in the beginning and 303.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.0 GB. [2021-03-11 20:13:19,268 INFO L168 Benchmark]: TraceAbstraction took 7475.39 ms. Allocated memory was 373.3 MB in the beginning and 595.6 MB in the end (delta: 222.3 MB). Free memory was 303.1 MB in the beginning and 383.4 MB in the end (delta: -80.3 MB). Peak memory consumption was 143.1 MB. Max. memory is 16.0 GB. [2021-03-11 20:13:19,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 255.9 MB. Free memory was 238.0 MB in the beginning and 237.8 MB in the end (delta: 210.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 536.63 ms. Allocated memory was 255.9 MB in the beginning and 373.3 MB in the end (delta: 117.4 MB). Free memory was 234.7 MB in the beginning and 331.8 MB in the end (delta: -97.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 61.79 ms. Allocated memory is still 373.3 MB. Free memory was 331.8 MB in the beginning and 328.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 20.93 ms. Allocated memory is still 373.3 MB. Free memory was 328.9 MB in the beginning and 326.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1384.91 ms. Allocated memory is still 373.3 MB. Free memory was 326.8 MB in the beginning and 303.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 7475.39 ms. Allocated memory was 373.3 MB in the beginning and 595.6 MB in the end (delta: 222.3 MB). Free memory was 303.1 MB in the beginning and 383.4 MB in the end (delta: -80.3 MB). Peak memory consumption was 143.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4862.1ms, 123 PlacesBefore, 43 PlacesAfterwards, 112 TransitionsBefore, 31 TransitionsAfterwards, 2672 CoEnabledTransitionPairs, 6 FixpointIterations, 40 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 92 TotalNumberOfCompositions, 7186 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3350, positive: 3164, positive conditional: 0, positive unconditional: 3164, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1875, positive: 1810, positive conditional: 0, positive unconditional: 1810, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1875, positive: 1768, positive conditional: 0, positive unconditional: 1768, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 107, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 768, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 672, negative conditional: 0, negative unconditional: 672, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3350, positive: 1354, positive conditional: 0, positive unconditional: 1354, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 1875, unknown conditional: 0, unknown unconditional: 1875] , Statistics on independence cache: Total cache size (in pairs): 285, Positive cache size: 257, Positive conditional cache size: 0, Positive unconditional cache size: 257, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff0_thd3; [L725] 0 _Bool a$r_buff0_thd4; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$r_buff1_thd4; [L731] 0 _Bool a$read_delayed; [L732] 0 int *a$read_delayed_var; [L733] 0 int a$w_buff0; [L734] 0 _Bool a$w_buff0_used; [L735] 0 int a$w_buff1; [L736] 0 _Bool a$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L861] 0 pthread_t t1361; [L862] FCALL, FORK 0 pthread_create(&t1361, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 a$w_buff1 = a$w_buff0 [L751] 1 a$w_buff0 = 1 [L752] 1 a$w_buff1_used = a$w_buff0_used [L753] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L755] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L756] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L757] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L758] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L759] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L863] 0 pthread_t t1362; [L864] FCALL, FORK 0 pthread_create(&t1362, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L865] 0 pthread_t t1363; [L866] FCALL, FORK 0 pthread_create(&t1363, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L867] 0 pthread_t t1364; [L868] FCALL, FORK 0 pthread_create(&t1364, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L783] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L800] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L803] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L820] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 a$flush_delayed = weak$$choice2 [L826] 4 a$mem_tmp = a [L827] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L827] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L828] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L828] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L828] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L828] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L829] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L829] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L829] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L829] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L830] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L830] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L830] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L830] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L831] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L831] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L831] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L832] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L832] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L832] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L833] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L833] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L833] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = a [L835] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L835] 4 a = a$flush_delayed ? a$mem_tmp : a [L836] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L786] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L786] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L786] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L787] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L787] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L788] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L788] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L789] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L789] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L790] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L790] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L806] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L806] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L806] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L807] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L807] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L808] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L808] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L809] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L809] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L810] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L810] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L839] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L839] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L839] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L840] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L840] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L841] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L841] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L842] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L842] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L843] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L843] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L766] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L815] 3 return 0; [L846] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L848] 4 return 0; [L870] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L874] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L874] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L874] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L874] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L875] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L876] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L876] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L877] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L877] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L878] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L878] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L881] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 7265.2ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1060.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4929.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 46 SDslu, 62 SDs, 0 SdLazy, 315 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 255.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 272.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=10, InterpolantAutomatonStates: 58, 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: 30.1ms SsaConstructionTime, 450.3ms SatisfiabilityAnalysisTime, 565.4ms InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 174 ConstructedInterpolants, 0 QuantifiedInterpolants, 868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...