/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-10 12:30:45,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-10 12:30:45,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-10 12:30:45,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-10 12:30:45,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-10 12:30:45,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-10 12:30:45,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-10 12:30:45,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-10 12:30:45,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-10 12:30:45,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-10 12:30:45,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-10 12:30:45,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-10 12:30:45,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-10 12:30:45,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-10 12:30:45,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-10 12:30:45,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-10 12:30:45,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-10 12:30:45,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-10 12:30:45,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-10 12:30:45,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-10 12:30:45,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-10 12:30:45,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-10 12:30:45,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-10 12:30:45,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-10 12:30:45,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-10 12:30:45,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-10 12:30:45,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-10 12:30:45,976 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-10 12:30:45,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-10 12:30:45,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-10 12:30:45,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-10 12:30:45,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-10 12:30:45,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-10 12:30:45,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-10 12:30:45,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-10 12:30:45,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-10 12:30:45,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-10 12:30:45,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-10 12:30:45,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-10 12:30:45,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-10 12:30:45,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-10 12:30:45,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2021-06-10 12:30:46,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-10 12:30:46,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-10 12:30:46,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-10 12:30:46,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-10 12:30:46,010 INFO L138 SettingsManager]: * Use SBE=true [2021-06-10 12:30:46,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-10 12:30:46,010 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-10 12:30:46,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-10 12:30:46,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-10 12:30:46,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-10 12:30:46,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-10 12:30:46,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-10 12:30:46,012 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-10 12:30:46,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-10 12:30:46,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-10 12:30:46,013 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-10 12:30:46,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-10 12:30:46,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-10 12:30:46,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-10 12:30:46,013 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-10 12:30:46,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-10 12:30:46,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-10 12:30:46,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-10 12:30:46,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-10 12:30:46,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-10 12:30:46,257 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-10 12:30:46,257 INFO L275 PluginConnector]: CDTParser initialized [2021-06-10 12:30:46,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_power.oepc.i [2021-06-10 12:30:46,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a897cc4/45c189d537c1445faa024c3a541cbd48/FLAGcedf16dbe [2021-06-10 12:30:46,695 INFO L306 CDTParser]: Found 1 translation units. [2021-06-10 12:30:46,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_power.oepc.i [2021-06-10 12:30:46,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a897cc4/45c189d537c1445faa024c3a541cbd48/FLAGcedf16dbe [2021-06-10 12:30:47,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7a897cc4/45c189d537c1445faa024c3a541cbd48 [2021-06-10 12:30:47,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-10 12:30:47,091 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-10 12:30:47,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-10 12:30:47,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-10 12:30:47,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-10 12:30:47,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bf7063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47, skipping insertion in model container [2021-06-10 12:30:47,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-10 12:30:47,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-10 12:30:47,317 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/safe033_power.oepc.i[995,1008] [2021-06-10 12:30:47,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 12:30:47,512 INFO L203 MainTranslator]: Completed pre-run [2021-06-10 12:30:47,521 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/safe033_power.oepc.i[995,1008] [2021-06-10 12:30:47,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-10 12:30:47,612 INFO L208 MainTranslator]: Completed translation [2021-06-10 12:30:47,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47 WrapperNode [2021-06-10 12:30:47,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-10 12:30:47,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-10 12:30:47,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-10 12:30:47,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-10 12:30:47,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-10 12:30:47,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-10 12:30:47,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-10 12:30:47,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-10 12:30:47,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (1/1) ... [2021-06-10 12:30:47,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-10 12:30:47,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-10 12:30:47,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-10 12:30:47,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-10 12:30:47,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (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 [2021-06-10 12:30:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-10 12:30:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-10 12:30:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-10 12:30:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-10 12:30:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-10 12:30:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-10 12:30:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-10 12:30:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-10 12:30:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-10 12:30:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-10 12:30:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-10 12:30:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-10 12:30:47,763 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-10 12:30:49,047 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-10 12:30:49,047 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-10 12:30:49,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:30:49 BoogieIcfgContainer [2021-06-10 12:30:49,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-10 12:30:49,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-10 12:30:49,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-10 12:30:49,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-10 12:30:49,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.06 12:30:47" (1/3) ... [2021-06-10 12:30:49,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1826870c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:30:49, skipping insertion in model container [2021-06-10 12:30:49,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.06 12:30:47" (2/3) ... [2021-06-10 12:30:49,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1826870c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.06 12:30:49, skipping insertion in model container [2021-06-10 12:30:49,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.06 12:30:49" (3/3) ... [2021-06-10 12:30:49,053 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_power.oepc.i [2021-06-10 12:30:49,057 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-10 12:30:49,060 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-10 12:30:49,061 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-10 12:30:49,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,081 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,081 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,083 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,084 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,085 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,086 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,087 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,088 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,090 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,091 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,092 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,093 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,094 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,095 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,095 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,096 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,097 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,098 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,099 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-10 12:30:49,100 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-10 12:30:49,113 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-10 12:30:49,125 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-10 12:30:49,126 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-10 12:30:49,126 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-10 12:30:49,126 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-10 12:30:49,126 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-10 12:30:49,126 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-10 12:30:49,126 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-10 12:30:49,126 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-10 12:30:49,132 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 79 transitions, 168 flow [2021-06-10 12:30:49,162 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2021-06-10 12:30:49,162 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:30:49,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2021-06-10 12:30:49,165 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 79 transitions, 168 flow [2021-06-10 12:30:49,169 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 77 transitions, 160 flow [2021-06-10 12:30:49,181 INFO L129 PetriNetUnfolder]: 0/46 cut-off events. [2021-06-10 12:30:49,181 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:30:49,182 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:30:49,182 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 12:30:49,182 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:30:49,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:30:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1256885937, now seen corresponding path program 1 times [2021-06-10 12:30:49,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:30:49,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370878345] [2021-06-10 12:30:49,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:30:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:30:49,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:49,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:30:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:30:49,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370878345] [2021-06-10 12:30:49,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:30:49,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-10 12:30:49,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521312408] [2021-06-10 12:30:49,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-10 12:30:49,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:30:49,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-10 12:30:49,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-10 12:30:49,413 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 79 [2021-06-10 12:30:49,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2021-06-10 12:30:49,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:30:49,415 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 79 [2021-06-10 12:30:49,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:30:49,458 INFO L129 PetriNetUnfolder]: 9/130 cut-off events. [2021-06-10 12:30:49,458 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:30:49,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 130 events. 9/130 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 300 event pairs, 3 based on Foata normal form. 6/128 useless extension candidates. Maximal degree in co-relation 118. Up to 17 conditions per place. [2021-06-10 12:30:49,460 INFO L132 encePairwiseOnDemand]: 74/79 looper letters, 5 selfloop transitions, 2 changer transitions 0/75 dead transitions. [2021-06-10 12:30:49,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 170 flow [2021-06-10 12:30:49,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-10 12:30:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-10 12:30:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 222 transitions. [2021-06-10 12:30:49,468 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9367088607594937 [2021-06-10 12:30:49,469 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 222 transitions. [2021-06-10 12:30:49,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 222 transitions. [2021-06-10 12:30:49,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:30:49,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 222 transitions. [2021-06-10 12:30:49,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2021-06-10 12:30:49,476 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2021-06-10 12:30:49,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 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) [2021-06-10 12:30:49,477 INFO L185 Difference]: Start difference. First operand has 82 places, 77 transitions, 160 flow. Second operand 3 states and 222 transitions. [2021-06-10 12:30:49,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 170 flow [2021-06-10 12:30:49,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 75 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 12:30:49,482 INFO L241 Difference]: Finished difference. Result has 80 places, 73 transitions, 154 flow [2021-06-10 12:30:49,484 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=80, PETRI_TRANSITIONS=73} [2021-06-10 12:30:49,484 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, -2 predicate places. [2021-06-10 12:30:49,484 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 73 transitions, 154 flow [2021-06-10 12:30:49,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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) [2021-06-10 12:30:49,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:30:49,485 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 12:30:49,485 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-10 12:30:49,485 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:30:49,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:30:49,485 INFO L82 PathProgramCache]: Analyzing trace with hash -662353324, now seen corresponding path program 1 times [2021-06-10 12:30:49,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:30:49,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161586622] [2021-06-10 12:30:49,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:30:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:30:49,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:49,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:30:49,549 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:30:49,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:30:49,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:30:49,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:30:49,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:30:49,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161586622] [2021-06-10 12:30:49,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:30:49,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 12:30:49,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616781546] [2021-06-10 12:30:49,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 12:30:49,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:30:49,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 12:30:49,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 12:30:49,591 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2021-06-10 12:30:49,592 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 73 transitions, 154 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2021-06-10 12:30:49,592 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:30:49,592 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2021-06-10 12:30:49,592 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:30:49,782 INFO L129 PetriNetUnfolder]: 30/224 cut-off events. [2021-06-10 12:30:49,783 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-10 12:30:49,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 224 events. 30/224 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 949 event pairs, 6 based on Foata normal form. 0/218 useless extension candidates. Maximal degree in co-relation 264. Up to 36 conditions per place. [2021-06-10 12:30:49,785 INFO L132 encePairwiseOnDemand]: 72/79 looper letters, 8 selfloop transitions, 3 changer transitions 29/96 dead transitions. [2021-06-10 12:30:49,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 96 transitions, 266 flow [2021-06-10 12:30:49,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-10 12:30:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-10 12:30:49,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 629 transitions. [2021-06-10 12:30:49,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8846694796061885 [2021-06-10 12:30:49,791 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 629 transitions. [2021-06-10 12:30:49,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 629 transitions. [2021-06-10 12:30:49,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:30:49,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 629 transitions. [2021-06-10 12:30:49,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 69.88888888888889) internal successors, (629), 9 states have internal predecessors, (629), 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) [2021-06-10 12:30:49,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 79.0) internal successors, (790), 10 states have internal predecessors, (790), 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) [2021-06-10 12:30:49,795 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 79.0) internal successors, (790), 10 states have internal predecessors, (790), 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) [2021-06-10 12:30:49,795 INFO L185 Difference]: Start difference. First operand has 80 places, 73 transitions, 154 flow. Second operand 9 states and 629 transitions. [2021-06-10 12:30:49,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 96 transitions, 266 flow [2021-06-10 12:30:49,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 96 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-10 12:30:49,797 INFO L241 Difference]: Finished difference. Result has 93 places, 67 transitions, 177 flow [2021-06-10 12:30:49,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=177, PETRI_PLACES=93, PETRI_TRANSITIONS=67} [2021-06-10 12:30:49,798 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, 11 predicate places. [2021-06-10 12:30:49,798 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 67 transitions, 177 flow [2021-06-10 12:30:49,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2021-06-10 12:30:49,798 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:30:49,798 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 12:30:49,798 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-10 12:30:49,798 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:30:49,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:30:49,799 INFO L82 PathProgramCache]: Analyzing trace with hash -347261163, now seen corresponding path program 1 times [2021-06-10 12:30:49,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:30:49,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37754684] [2021-06-10 12:30:49,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:30:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:30:49,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:49,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:30:49,848 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-10 12:30:49,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 12:30:49,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:30:49,880 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-10 12:30:49,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:30:49,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:49,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:30:49,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37754684] [2021-06-10 12:30:49,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:30:49,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 12:30:49,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877938237] [2021-06-10 12:30:49,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 12:30:49,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:30:49,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 12:30:49,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 12:30:49,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2021-06-10 12:30:49,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 67 transitions, 177 flow. Second operand has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2021-06-10 12:30:49,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:30:49,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2021-06-10 12:30:49,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:30:50,031 INFO L129 PetriNetUnfolder]: 44/214 cut-off events. [2021-06-10 12:30:50,031 INFO L130 PetriNetUnfolder]: For 76/76 co-relation queries the response was YES. [2021-06-10 12:30:50,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 214 events. 44/214 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 940 event pairs, 9 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 358. Up to 32 conditions per place. [2021-06-10 12:30:50,036 INFO L132 encePairwiseOnDemand]: 70/79 looper letters, 13 selfloop transitions, 12 changer transitions 8/90 dead transitions. [2021-06-10 12:30:50,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 90 transitions, 289 flow [2021-06-10 12:30:50,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-10 12:30:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-06-10 12:30:50,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 695 transitions. [2021-06-10 12:30:50,040 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.879746835443038 [2021-06-10 12:30:50,040 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 695 transitions. [2021-06-10 12:30:50,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 695 transitions. [2021-06-10 12:30:50,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:30:50,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 695 transitions. [2021-06-10 12:30:50,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 69.5) internal successors, (695), 10 states have internal predecessors, (695), 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) [2021-06-10 12:30:50,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 79.0) internal successors, (869), 11 states have internal predecessors, (869), 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) [2021-06-10 12:30:50,044 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 79.0) internal successors, (869), 11 states have internal predecessors, (869), 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) [2021-06-10 12:30:50,044 INFO L185 Difference]: Start difference. First operand has 93 places, 67 transitions, 177 flow. Second operand 10 states and 695 transitions. [2021-06-10 12:30:50,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 90 transitions, 289 flow [2021-06-10 12:30:50,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 90 transitions, 280 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-06-10 12:30:50,047 INFO L241 Difference]: Finished difference. Result has 90 places, 78 transitions, 254 flow [2021-06-10 12:30:50,047 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=254, PETRI_PLACES=90, PETRI_TRANSITIONS=78} [2021-06-10 12:30:50,047 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, 8 predicate places. [2021-06-10 12:30:50,047 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 78 transitions, 254 flow [2021-06-10 12:30:50,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 67.16666666666667) internal successors, (403), 6 states have internal predecessors, (403), 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) [2021-06-10 12:30:50,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:30:50,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 12:30:50,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-10 12:30:50,048 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:30:50,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:30:50,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1211031954, now seen corresponding path program 1 times [2021-06-10 12:30:50,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:30:50,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775090588] [2021-06-10 12:30:50,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:30:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:30:50,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:50,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:30:50,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:30:50,127 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-10 12:30:50,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-10 12:30:50,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-10 12:30:50,145 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-10 12:30:50,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:30:50,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:30:50,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775090588] [2021-06-10 12:30:50,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:30:50,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-10 12:30:50,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563297229] [2021-06-10 12:30:50,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-10 12:30:50,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:30:50,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-10 12:30:50,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-10 12:30:50,155 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2021-06-10 12:30:50,155 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 78 transitions, 254 flow. Second operand has 7 states, 7 states have (on average 67.14285714285714) internal successors, (470), 7 states have internal predecessors, (470), 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) [2021-06-10 12:30:50,155 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:30:50,155 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2021-06-10 12:30:50,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:30:50,316 INFO L129 PetriNetUnfolder]: 23/171 cut-off events. [2021-06-10 12:30:50,316 INFO L130 PetriNetUnfolder]: For 125/177 co-relation queries the response was YES. [2021-06-10 12:30:50,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 403 conditions, 171 events. 23/171 cut-off events. For 125/177 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 678 event pairs, 0 based on Foata normal form. 23/188 useless extension candidates. Maximal degree in co-relation 349. Up to 19 conditions per place. [2021-06-10 12:30:50,318 INFO L132 encePairwiseOnDemand]: 70/79 looper letters, 11 selfloop transitions, 15 changer transitions 13/96 dead transitions. [2021-06-10 12:30:50,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 96 transitions, 412 flow [2021-06-10 12:30:50,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-10 12:30:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-06-10 12:30:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 892 transitions. [2021-06-10 12:30:50,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8685491723466408 [2021-06-10 12:30:50,321 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 892 transitions. [2021-06-10 12:30:50,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 892 transitions. [2021-06-10 12:30:50,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:30:50,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 892 transitions. [2021-06-10 12:30:50,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 68.61538461538461) internal successors, (892), 13 states have internal predecessors, (892), 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) [2021-06-10 12:30:50,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 79.0) internal successors, (1106), 14 states have internal predecessors, (1106), 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) [2021-06-10 12:30:50,325 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 79.0) internal successors, (1106), 14 states have internal predecessors, (1106), 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) [2021-06-10 12:30:50,325 INFO L185 Difference]: Start difference. First operand has 90 places, 78 transitions, 254 flow. Second operand 13 states and 892 transitions. [2021-06-10 12:30:50,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 96 transitions, 412 flow [2021-06-10 12:30:50,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 96 transitions, 390 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-06-10 12:30:50,328 INFO L241 Difference]: Finished difference. Result has 105 places, 80 transitions, 307 flow [2021-06-10 12:30:50,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=307, PETRI_PLACES=105, PETRI_TRANSITIONS=80} [2021-06-10 12:30:50,328 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, 23 predicate places. [2021-06-10 12:30:50,328 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 80 transitions, 307 flow [2021-06-10 12:30:50,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 67.14285714285714) internal successors, (470), 7 states have internal predecessors, (470), 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) [2021-06-10 12:30:50,328 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:30:50,329 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 12:30:50,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-10 12:30:50,329 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:30:50,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:30:50,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1826622602, now seen corresponding path program 1 times [2021-06-10 12:30:50,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:30:50,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266054256] [2021-06-10 12:30:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:30:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-10 12:30:50,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:50,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-10 12:30:50,435 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-10 12:30:50,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-10 12:30:50,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:30:50,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-10 12:30:50,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-10 12:30:50,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-10 12:30:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-10 12:30:50,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266054256] [2021-06-10 12:30:50,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-10 12:30:50,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-10 12:30:50,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9726374] [2021-06-10 12:30:50,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-10 12:30:50,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-10 12:30:50,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-10 12:30:50,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-10 12:30:50,470 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 79 [2021-06-10 12:30:50,471 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 80 transitions, 307 flow. Second operand has 6 states, 6 states have (on average 67.5) internal successors, (405), 6 states have internal predecessors, (405), 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) [2021-06-10 12:30:50,471 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-10 12:30:50,471 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 79 [2021-06-10 12:30:50,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-10 12:30:50,535 INFO L129 PetriNetUnfolder]: 8/167 cut-off events. [2021-06-10 12:30:50,536 INFO L130 PetriNetUnfolder]: For 210/220 co-relation queries the response was YES. [2021-06-10 12:30:50,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 404 conditions, 167 events. 8/167 cut-off events. For 210/220 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 697 event pairs, 0 based on Foata normal form. 1/164 useless extension candidates. Maximal degree in co-relation 357. Up to 21 conditions per place. [2021-06-10 12:30:50,536 INFO L132 encePairwiseOnDemand]: 73/79 looper letters, 7 selfloop transitions, 2 changer transitions 18/84 dead transitions. [2021-06-10 12:30:50,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 84 transitions, 345 flow [2021-06-10 12:30:50,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-10 12:30:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-10 12:30:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 411 transitions. [2021-06-10 12:30:50,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8670886075949367 [2021-06-10 12:30:50,538 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 411 transitions. [2021-06-10 12:30:50,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 411 transitions. [2021-06-10 12:30:50,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-10 12:30:50,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 411 transitions. [2021-06-10 12:30:50,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 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) [2021-06-10 12:30:50,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 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) [2021-06-10 12:30:50,540 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 79.0) internal successors, (553), 7 states have internal predecessors, (553), 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) [2021-06-10 12:30:50,540 INFO L185 Difference]: Start difference. First operand has 105 places, 80 transitions, 307 flow. Second operand 6 states and 411 transitions. [2021-06-10 12:30:50,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 84 transitions, 345 flow [2021-06-10 12:30:50,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 84 transitions, 311 flow, removed 6 selfloop flow, removed 10 redundant places. [2021-06-10 12:30:50,545 INFO L241 Difference]: Finished difference. Result has 101 places, 66 transitions, 201 flow [2021-06-10 12:30:50,545 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=79, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=201, PETRI_PLACES=101, PETRI_TRANSITIONS=66} [2021-06-10 12:30:50,545 INFO L343 CegarLoopForPetriNet]: 82 programPoint places, 19 predicate places. [2021-06-10 12:30:50,545 INFO L480 AbstractCegarLoop]: Abstraction has has 101 places, 66 transitions, 201 flow [2021-06-10 12:30:50,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 67.5) internal successors, (405), 6 states have internal predecessors, (405), 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) [2021-06-10 12:30:50,545 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-10 12:30:50,546 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-10 12:30:50,546 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-10 12:30:50,546 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-10 12:30:50,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-10 12:30:50,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1593982956, now seen corresponding path program 2 times [2021-06-10 12:30:50,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-10 12:30:50,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353662344] [2021-06-10 12:30:50,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-10 12:30:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 12:30:50,603 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 12:30:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-10 12:30:50,649 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-10 12:30:50,685 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-10 12:30:50,685 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-10 12:30:50,685 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-10 12:30:50,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.06 12:30:50 BasicIcfg [2021-06-10 12:30:50,761 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-10 12:30:50,762 INFO L168 Benchmark]: Toolchain (without parser) took 3671.01 ms. Allocated memory was 350.2 MB in the beginning and 421.5 MB in the end (delta: 71.3 MB). Free memory was 313.2 MB in the beginning and 302.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 16.0 GB. [2021-06-10 12:30:50,762 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 350.2 MB. Free memory is still 331.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-10 12:30:50,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.98 ms. Allocated memory is still 350.2 MB. Free memory was 313.0 MB in the beginning and 312.3 MB in the end (delta: 749.4 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. [2021-06-10 12:30:50,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.90 ms. Allocated memory is still 350.2 MB. Free memory was 312.3 MB in the beginning and 309.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:30:50,763 INFO L168 Benchmark]: Boogie Preprocessor took 35.69 ms. Allocated memory is still 350.2 MB. Free memory was 309.1 MB in the beginning and 307.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-10 12:30:50,764 INFO L168 Benchmark]: RCFGBuilder took 1340.38 ms. Allocated memory is still 350.2 MB. Free memory was 307.0 MB in the beginning and 321.4 MB in the end (delta: -14.3 MB). Peak memory consumption was 171.3 MB. Max. memory is 16.0 GB. [2021-06-10 12:30:50,764 INFO L168 Benchmark]: TraceAbstraction took 1711.47 ms. Allocated memory was 350.2 MB in the beginning and 421.5 MB in the end (delta: 71.3 MB). Free memory was 320.3 MB in the beginning and 302.4 MB in the end (delta: 17.9 MB). Peak memory consumption was 89.2 MB. Max. memory is 16.0 GB. [2021-06-10 12:30:50,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 350.2 MB. Free memory is still 331.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 517.98 ms. Allocated memory is still 350.2 MB. Free memory was 313.0 MB in the beginning and 312.3 MB in the end (delta: 749.4 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.90 ms. Allocated memory is still 350.2 MB. Free memory was 312.3 MB in the beginning and 309.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 35.69 ms. Allocated memory is still 350.2 MB. Free memory was 309.1 MB in the beginning and 307.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1340.38 ms. Allocated memory is still 350.2 MB. Free memory was 307.0 MB in the beginning and 321.4 MB in the end (delta: -14.3 MB). Peak memory consumption was 171.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1711.47 ms. Allocated memory was 350.2 MB in the beginning and 421.5 MB in the end (delta: 71.3 MB). Free memory was 320.3 MB in the beginning and 302.4 MB in the end (delta: 17.9 MB). Peak memory consumption was 89.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L712] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0] [L713] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L715] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L716] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L717] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L718] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L719] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L720] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L721] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L722] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L723] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L724] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L725] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L726] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L727] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L728] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L729] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L731] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L732] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L733] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L803] 0 pthread_t t2561; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L804] FCALL, FORK 0 pthread_create(&t2561, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L805] 0 pthread_t t2562; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L806] FCALL, FORK 0 pthread_create(&t2562, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L767] 2 x$w_buff1 = x$w_buff0 [L768] 2 x$w_buff0 = 1 [L769] 2 x$w_buff1_used = x$w_buff0_used [L770] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L772] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L773] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L774] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L775] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L778] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L737] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L742] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L743] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L744] 1 x$flush_delayed = weak$$choice2 [L745] 1 x$mem_tmp = x [L746] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L746] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L747] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L747] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L748] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L748] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L749] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L749] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L750] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L750] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L751] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L751] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L752] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L752] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L753] 1 __unbuffered_p0_EAX = x [L754] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L754] 1 x = x$flush_delayed ? x$mem_tmp : x [L755] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L785] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L785] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L788] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L808] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L812] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L812] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L812] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L813] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L813] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L814] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L814] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L815] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L815] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L816] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L816] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0) VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L19] COND TRUE 0 !expression VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L19] 0 reach_error() VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 78 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 1562.8ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 686.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 33 SDtfs, 94 SDslu, 102 SDs, 0 SdLazy, 136 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 122.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 377.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=307occurred in iteration=4, InterpolantAutomatonStates: 41, 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: 18.3ms SsaConstructionTime, 240.0ms SatisfiabilityAnalysisTime, 369.6ms InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...