/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 15:49:16,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 15:49:16,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 15:49:17,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 15:49:17,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 15:49:17,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 15:49:17,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 15:49:17,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 15:49:17,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 15:49:17,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 15:49:17,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 15:49:17,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 15:49:17,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 15:49:17,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 15:49:17,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 15:49:17,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 15:49:17,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 15:49:17,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 15:49:17,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 15:49:17,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 15:49:17,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 15:49:17,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 15:49:17,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 15:49:17,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 15:49:17,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 15:49:17,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 15:49:17,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 15:49:17,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 15:49:17,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 15:49:17,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 15:49:17,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 15:49:17,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 15:49:17,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 15:49:17,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 15:49:17,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 15:49:17,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 15:49:17,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 15:49:17,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 15:49:17,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 15:49:17,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 15:49:17,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 15:49:17,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf [2021-06-16 15:49:17,046 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 15:49:17,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 15:49:17,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 15:49:17,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 15:49:17,049 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 15:49:17,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 15:49:17,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 15:49:17,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 15:49:17,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 15:49:17,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 15:49:17,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 15:49:17,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 15:49:17,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 15:49:17,050 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 15:49:17,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 15:49:17,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 15:49:17,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 15:49:17,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 15:49:17,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 15:49:17,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 15:49:17,052 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 15:49:17,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 15:49:17,052 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 15:49:17,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 15:49:17,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 15:49:17,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 15:49:17,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 15:49:17,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 15:49:17,308 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 15:49:17,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i [2021-06-16 15:49:17,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5191a7690/fce43144dd9c4ae290665d0a79e1162b/FLAG2f63b5c75 [2021-06-16 15:49:17,810 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 15:49:17,811 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i [2021-06-16 15:49:17,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5191a7690/fce43144dd9c4ae290665d0a79e1162b/FLAG2f63b5c75 [2021-06-16 15:49:18,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5191a7690/fce43144dd9c4ae290665d0a79e1162b [2021-06-16 15:49:18,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 15:49:18,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 15:49:18,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 15:49:18,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 15:49:18,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 15:49:18,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769dfe6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18, skipping insertion in model container [2021-06-16 15:49:18,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 15:49:18,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 15:49:18,333 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i[952,965] [2021-06-16 15:49:18,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:49:18,498 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 15:49:18,534 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_power.oepc.i[952,965] [2021-06-16 15:49:18,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:49:18,623 INFO L208 MainTranslator]: Completed translation [2021-06-16 15:49:18,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18 WrapperNode [2021-06-16 15:49:18,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 15:49:18,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 15:49:18,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 15:49:18,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 15:49:18,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 15:49:18,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 15:49:18,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 15:49:18,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 15:49:18,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (1/1) ... [2021-06-16 15:49:18,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 15:49:18,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 15:49:18,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 15:49:18,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 15:49:18,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (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 [2021-06-16 15:49:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 15:49:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 15:49:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 15:49:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 15:49:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 15:49:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 15:49:18,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 15:49:18,758 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 15:49:20,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 15:49:20,225 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-16 15:49:20,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:49:20 BoogieIcfgContainer [2021-06-16 15:49:20,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 15:49:20,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 15:49:20,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 15:49:20,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 15:49:20,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 03:49:18" (1/3) ... [2021-06-16 15:49:20,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9247b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:49:20, skipping insertion in model container [2021-06-16 15:49:20,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:49:18" (2/3) ... [2021-06-16 15:49:20,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9247b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:49:20, skipping insertion in model container [2021-06-16 15:49:20,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:49:20" (3/3) ... [2021-06-16 15:49:20,233 INFO L111 eAbstractionObserver]: Analyzing ICFG safe026_power.oepc.i [2021-06-16 15:49:20,240 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 15:49:20,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 15:49:20,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 15:49:20,241 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,268 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,269 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,270 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,271 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,272 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,273 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,274 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,276 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,276 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,277 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,278 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,279 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,280 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,281 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,282 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,283 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,284 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,285 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,286 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,287 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,289 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,291 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,292 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,293 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,294 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,295 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,296 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,296 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:49:20,297 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 15:49:20,310 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 15:49:20,326 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:49:20,326 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:49:20,326 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:49:20,326 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:49:20,326 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:49:20,326 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:49:20,326 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:49:20,326 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0======== [2021-06-16 15:49:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 14151 states, 12384 states have (on average 2.4987887596899223) internal successors, (30945), 14150 states have internal predecessors, (30945), 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) [2021-06-16 15:49:21,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:49:21,702 INFO L301 ceAbstractionStarter]: Result for error location P0 was SAFE (1/3) [2021-06-16 15:49:21,708 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-06-16 15:49:21,718 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:49:21,718 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:49:21,718 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:49:21,718 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:49:21,719 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:49:21,719 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:49:21,719 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:49:21,719 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 15:49:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 14151 states, 12384 states have (on average 2.4987887596899223) internal successors, (30945), 14150 states have internal predecessors, (30945), 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) [2021-06-16 15:49:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-06-16 15:49:22,851 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:22,852 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:22,853 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:22,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:22,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1350839765, now seen corresponding path program 1 times [2021-06-16 15:49:22,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:22,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833550751] [2021-06-16 15:49:22,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:23,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:23,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:23,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:23,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:23,238 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-16 15:49:23,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 15:49:23,247 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:49:23,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:49:23,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:23,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:23,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:23,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:23,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:23,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:23,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833550751] [2021-06-16 15:49:23,285 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833550751] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:23,285 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:23,285 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:49:23,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225205513] [2021-06-16 15:49:23,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:49:23,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:23,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:49:23,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:49:23,330 INFO L87 Difference]: Start difference. First operand has 14151 states, 12384 states have (on average 2.4987887596899223) internal successors, (30945), 14150 states have internal predecessors, (30945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:23,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:23,869 INFO L93 Difference]: Finished difference Result 27087 states and 61189 transitions. [2021-06-16 15:49:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 15:49:23,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-06-16 15:49:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:23,926 INFO L225 Difference]: With dead ends: 27087 [2021-06-16 15:49:23,926 INFO L226 Difference]: Without dead ends: 5757 [2021-06-16 15:49:23,929 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 175.0ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:49:23,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5757 states. [2021-06-16 15:49:24,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5757 to 4799. [2021-06-16 15:49:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4799 states, 4736 states have (on average 2.457981418918919) internal successors, (11641), 4798 states have internal predecessors, (11641), 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) [2021-06-16 15:49:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4799 states to 4799 states and 11641 transitions. [2021-06-16 15:49:24,294 INFO L78 Accepts]: Start accepts. Automaton has 4799 states and 11641 transitions. Word has length 67 [2021-06-16 15:49:24,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:24,294 INFO L482 AbstractCegarLoop]: Abstraction has 4799 states and 11641 transitions. [2021-06-16 15:49:24,294 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 4799 states and 11641 transitions. [2021-06-16 15:49:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-16 15:49:24,300 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:24,300 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:24,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 15:49:24,300 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:24,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:24,301 INFO L82 PathProgramCache]: Analyzing trace with hash -773725034, now seen corresponding path program 1 times [2021-06-16 15:49:24,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:24,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540455704] [2021-06-16 15:49:24,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:24,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:24,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:24,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:24,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:24,413 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-16 15:49:24,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 15:49:24,422 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:49:24,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:49:24,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:24,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:24,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:24,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:24,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:24,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:24,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:24,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540455704] [2021-06-16 15:49:24,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540455704] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:24,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:24,475 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:49:24,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136492111] [2021-06-16 15:49:24,476 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:49:24,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:24,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:49:24,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:49:24,477 INFO L87 Difference]: Start difference. First operand 4799 states and 11641 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:24,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:24,704 INFO L93 Difference]: Finished difference Result 7242 states and 18488 transitions. [2021-06-16 15:49:24,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-16 15:49:24,705 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-06-16 15:49:24,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:24,731 INFO L225 Difference]: With dead ends: 7242 [2021-06-16 15:49:24,732 INFO L226 Difference]: Without dead ends: 5528 [2021-06-16 15:49:24,732 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 147.2ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:49:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5528 states. [2021-06-16 15:49:24,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5528 to 4405. [2021-06-16 15:49:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4405 states, 4350 states have (on average 2.4811494252873563) internal successors, (10793), 4404 states have internal predecessors, (10793), 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) [2021-06-16 15:49:24,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4405 states to 4405 states and 10793 transitions. [2021-06-16 15:49:24,969 INFO L78 Accepts]: Start accepts. Automaton has 4405 states and 10793 transitions. Word has length 69 [2021-06-16 15:49:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:24,970 INFO L482 AbstractCegarLoop]: Abstraction has 4405 states and 10793 transitions. [2021-06-16 15:49:24,971 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 4405 states and 10793 transitions. [2021-06-16 15:49:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-16 15:49:24,978 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:24,979 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:24,979 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 15:49:24,979 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:24,979 INFO L82 PathProgramCache]: Analyzing trace with hash 678516461, now seen corresponding path program 1 times [2021-06-16 15:49:24,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:24,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036912049] [2021-06-16 15:49:24,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:25,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:25,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:25,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:25,083 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-16 15:49:25,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 15:49:25,091 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:49:25,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:49:25,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:25,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:25,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:25,126 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:25,126 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036912049] [2021-06-16 15:49:25,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036912049] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:25,126 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:25,126 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:49:25,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007559522] [2021-06-16 15:49:25,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:49:25,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:25,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:49:25,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:49:25,128 INFO L87 Difference]: Start difference. First operand 4405 states and 10793 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:25,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:25,261 INFO L93 Difference]: Finished difference Result 7564 states and 19609 transitions. [2021-06-16 15:49:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 15:49:25,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-16 15:49:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:25,288 INFO L225 Difference]: With dead ends: 7564 [2021-06-16 15:49:25,288 INFO L226 Difference]: Without dead ends: 4882 [2021-06-16 15:49:25,288 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 75.8ms TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-06-16 15:49:25,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4882 states. [2021-06-16 15:49:25,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4882 to 4208. [2021-06-16 15:49:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4208 states, 4153 states have (on average 2.5066217192391043) internal successors, (10410), 4207 states have internal predecessors, (10410), 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) [2021-06-16 15:49:25,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4208 states to 4208 states and 10410 transitions. [2021-06-16 15:49:25,435 INFO L78 Accepts]: Start accepts. Automaton has 4208 states and 10410 transitions. Word has length 71 [2021-06-16 15:49:25,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:25,436 INFO L482 AbstractCegarLoop]: Abstraction has 4208 states and 10410 transitions. [2021-06-16 15:49:25,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:25,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4208 states and 10410 transitions. [2021-06-16 15:49:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-06-16 15:49:25,444 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:25,444 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:25,444 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 15:49:25,444 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:25,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:25,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1568425355, now seen corresponding path program 2 times [2021-06-16 15:49:25,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:25,445 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685326810] [2021-06-16 15:49:25,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:25,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:25,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:25,499 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-16 15:49:25,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 15:49:25,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:49:25,523 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-16 15:49:25,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:25,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:25,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:25,533 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:25,534 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685326810] [2021-06-16 15:49:25,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685326810] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:25,534 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:25,534 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-16 15:49:25,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929365301] [2021-06-16 15:49:25,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-16 15:49:25,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:25,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-16 15:49:25,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-16 15:49:25,535 INFO L87 Difference]: Start difference. First operand 4208 states and 10410 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:25,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:25,682 INFO L93 Difference]: Finished difference Result 4812 states and 11229 transitions. [2021-06-16 15:49:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 15:49:25,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-06-16 15:49:25,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:25,694 INFO L225 Difference]: With dead ends: 4812 [2021-06-16 15:49:25,695 INFO L226 Difference]: Without dead ends: 3380 [2021-06-16 15:49:25,695 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 85.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-06-16 15:49:25,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3380 states. [2021-06-16 15:49:25,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3380 to 3380. [2021-06-16 15:49:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3380 states, 3325 states have (on average 2.429172932330827) internal successors, (8077), 3379 states have internal predecessors, (8077), 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) [2021-06-16 15:49:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 8077 transitions. [2021-06-16 15:49:25,863 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 8077 transitions. Word has length 71 [2021-06-16 15:49:25,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:25,863 INFO L482 AbstractCegarLoop]: Abstraction has 3380 states and 8077 transitions. [2021-06-16 15:49:25,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:49:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 8077 transitions. [2021-06-16 15:49:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-06-16 15:49:25,869 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:25,869 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:25,870 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 15:49:25,870 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:25,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:25,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1255491530, now seen corresponding path program 1 times [2021-06-16 15:49:25,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:25,871 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119953601] [2021-06-16 15:49:25,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:25,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:25,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:25,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:25,957 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-16 15:49:25,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 15:49:25,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:49:25,978 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-16 15:49:25,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:25,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:25,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:25,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:25,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119953601] [2021-06-16 15:49:25,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119953601] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:25,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:25,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:49:25,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416766786] [2021-06-16 15:49:25,987 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:49:25,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:25,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:49:25,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:49:25,988 INFO L87 Difference]: Start difference. First operand 3380 states and 8077 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2021-06-16 15:49:26,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:26,128 INFO L93 Difference]: Finished difference Result 2712 states and 5821 transitions. [2021-06-16 15:49:26,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:49:26,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-06-16 15:49:26,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:26,138 INFO L225 Difference]: With dead ends: 2712 [2021-06-16 15:49:26,138 INFO L226 Difference]: Without dead ends: 1628 [2021-06-16 15:49:26,138 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 89.3ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-06-16 15:49:26,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2021-06-16 15:49:26,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1628. [2021-06-16 15:49:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1589 states have (on average 2.1252359974826933) internal successors, (3377), 1627 states have internal predecessors, (3377), 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) [2021-06-16 15:49:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 3377 transitions. [2021-06-16 15:49:26,172 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 3377 transitions. Word has length 73 [2021-06-16 15:49:26,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:26,173 INFO L482 AbstractCegarLoop]: Abstraction has 1628 states and 3377 transitions. [2021-06-16 15:49:26,173 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 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) [2021-06-16 15:49:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 3377 transitions. [2021-06-16 15:49:26,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-06-16 15:49:26,176 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:26,176 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:26,176 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 15:49:26,176 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:26,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:26,177 INFO L82 PathProgramCache]: Analyzing trace with hash 300291383, now seen corresponding path program 1 times [2021-06-16 15:49:26,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:26,177 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825402229] [2021-06-16 15:49:26,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:26,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:26,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:26,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:26,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:26,314 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-06-16 15:49:26,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-16 15:49:26,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:49:26,334 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-06-16 15:49:26,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:26,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:26,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:26,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825402229] [2021-06-16 15:49:26,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825402229] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:26,342 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:26,342 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:49:26,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255174097] [2021-06-16 15:49:26,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:49:26,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:26,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:49:26,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:49:26,343 INFO L87 Difference]: Start difference. First operand 1628 states and 3377 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2021-06-16 15:49:26,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:26,494 INFO L93 Difference]: Finished difference Result 1098 states and 1998 transitions. [2021-06-16 15:49:26,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 15:49:26,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-06-16 15:49:26,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:26,499 INFO L225 Difference]: With dead ends: 1098 [2021-06-16 15:49:26,499 INFO L226 Difference]: Without dead ends: 534 [2021-06-16 15:49:26,502 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 104.4ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:49:26,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2021-06-16 15:49:26,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 513. [2021-06-16 15:49:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 504 states have (on average 1.6051587301587302) internal successors, (809), 512 states have internal predecessors, (809), 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) [2021-06-16 15:49:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 809 transitions. [2021-06-16 15:49:26,518 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 809 transitions. Word has length 76 [2021-06-16 15:49:26,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:26,519 INFO L482 AbstractCegarLoop]: Abstraction has 513 states and 809 transitions. [2021-06-16 15:49:26,519 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 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) [2021-06-16 15:49:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 809 transitions. [2021-06-16 15:49:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-06-16 15:49:26,524 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:26,524 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:26,524 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 15:49:26,525 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:26,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:26,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1940270071, now seen corresponding path program 1 times [2021-06-16 15:49:26,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:26,525 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137559887] [2021-06-16 15:49:26,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:26,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:26,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:26,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:26,666 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-16 15:49:26,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 15:49:26,674 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:49:26,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:49:26,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:26,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:26,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:26,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:26,706 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:26,706 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137559887] [2021-06-16 15:49:26,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137559887] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:26,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:26,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:49:26,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247247723] [2021-06-16 15:49:26,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:49:26,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:26,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:49:26,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:49:26,707 INFO L87 Difference]: Start difference. First operand 513 states and 809 transitions. Second operand has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-06-16 15:49:26,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:26,923 INFO L93 Difference]: Finished difference Result 1160 states and 2129 transitions. [2021-06-16 15:49:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 15:49:26,923 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-06-16 15:49:26,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:26,924 INFO L225 Difference]: With dead ends: 1160 [2021-06-16 15:49:26,924 INFO L226 Difference]: Without dead ends: 428 [2021-06-16 15:49:26,924 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 189.8ms TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-06-16 15:49:26,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2021-06-16 15:49:26,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2021-06-16 15:49:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 419 states have (on average 1.668257756563246) internal successors, (699), 427 states have internal predecessors, (699), 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) [2021-06-16 15:49:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 699 transitions. [2021-06-16 15:49:26,930 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 699 transitions. Word has length 81 [2021-06-16 15:49:26,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:26,930 INFO L482 AbstractCegarLoop]: Abstraction has 428 states and 699 transitions. [2021-06-16 15:49:26,930 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 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) [2021-06-16 15:49:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 699 transitions. [2021-06-16 15:49:26,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-06-16 15:49:26,931 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:26,931 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:26,931 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-16 15:49:26,931 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:26,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:26,932 INFO L82 PathProgramCache]: Analyzing trace with hash 19892581, now seen corresponding path program 2 times [2021-06-16 15:49:26,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:26,932 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090665483] [2021-06-16 15:49:26,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:27,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:27,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:27,062 INFO L142 QuantifierPusher]: treesize reduction 5, result has 86.8 percent of original size [2021-06-16 15:49:27,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-06-16 15:49:27,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 15:49:27,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:27,114 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:49:27,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:49:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:27,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:27,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:27,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:27,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090665483] [2021-06-16 15:49:27,158 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090665483] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:27,158 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:27,158 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-16 15:49:27,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655256493] [2021-06-16 15:49:27,159 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-16 15:49:27,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:27,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-16 15:49:27,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-06-16 15:49:27,160 INFO L87 Difference]: Start difference. First operand 428 states and 699 transitions. Second operand has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 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) [2021-06-16 15:49:27,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:27,362 INFO L93 Difference]: Finished difference Result 567 states and 1000 transitions. [2021-06-16 15:49:27,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:49:27,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-06-16 15:49:27,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:27,364 INFO L225 Difference]: With dead ends: 567 [2021-06-16 15:49:27,364 INFO L226 Difference]: Without dead ends: 428 [2021-06-16 15:49:27,365 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 171.3ms TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-06-16 15:49:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2021-06-16 15:49:27,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2021-06-16 15:49:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 419 states have (on average 1.6587112171837708) internal successors, (695), 427 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) [2021-06-16 15:49:27,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 695 transitions. [2021-06-16 15:49:27,370 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 695 transitions. Word has length 81 [2021-06-16 15:49:27,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:27,371 INFO L482 AbstractCegarLoop]: Abstraction has 428 states and 695 transitions. [2021-06-16 15:49:27,371 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 9.0) internal successors, (81), 9 states have internal predecessors, (81), 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) [2021-06-16 15:49:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 695 transitions. [2021-06-16 15:49:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-06-16 15:49:27,372 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:27,372 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:27,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-16 15:49:27,372 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:27,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:27,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1331536057, now seen corresponding path program 3 times [2021-06-16 15:49:27,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:27,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41692891] [2021-06-16 15:49:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:27,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:27,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:27,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 15:49:27,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 15:49:27,482 INFO L142 QuantifierPusher]: treesize reduction 7, result has 83.3 percent of original size [2021-06-16 15:49:27,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-06-16 15:49:27,508 INFO L142 QuantifierPusher]: treesize reduction 27, result has 72.4 percent of original size [2021-06-16 15:49:27,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-06-16 15:49:27,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-06-16 15:49:27,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-16 15:49:27,580 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:49:27,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:49:27,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:27,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:49:27,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:27,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:27,624 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:27,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41692891] [2021-06-16 15:49:27,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41692891] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:27,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:27,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-06-16 15:49:27,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823111596] [2021-06-16 15:49:27,625 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-16 15:49:27,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:27,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-16 15:49:27,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-06-16 15:49:27,626 INFO L87 Difference]: Start difference. First operand 428 states and 695 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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) [2021-06-16 15:49:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:27,899 INFO L93 Difference]: Finished difference Result 559 states and 978 transitions. [2021-06-16 15:49:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 15:49:27,899 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-06-16 15:49:27,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:27,900 INFO L225 Difference]: With dead ends: 559 [2021-06-16 15:49:27,900 INFO L226 Difference]: Without dead ends: 272 [2021-06-16 15:49:27,901 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 246.4ms TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-06-16 15:49:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2021-06-16 15:49:27,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2021-06-16 15:49:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 263 states have (on average 1.8212927756653992) internal successors, (479), 271 states have internal predecessors, (479), 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) [2021-06-16 15:49:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 479 transitions. [2021-06-16 15:49:27,906 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 479 transitions. Word has length 81 [2021-06-16 15:49:27,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:27,906 INFO L482 AbstractCegarLoop]: Abstraction has 272 states and 479 transitions. [2021-06-16 15:49:27,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 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) [2021-06-16 15:49:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 479 transitions. [2021-06-16 15:49:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-06-16 15:49:27,908 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:27,908 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:27,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-16 15:49:27,908 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:27,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:27,909 INFO L82 PathProgramCache]: Analyzing trace with hash 360263525, now seen corresponding path program 4 times [2021-06-16 15:49:27,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:27,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215925674] [2021-06-16 15:49:27,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 15:49:27,958 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 15:49:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-16 15:49:28,011 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-16 15:49:28,045 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-16 15:49:28,046 INFO L573 BasicCegarLoop]: Counterexample might be feasible [2021-06-16 15:49:28,046 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-16 15:49:28,046 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3) [2021-06-16 15:49:28,048 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-16 15:49:28,048 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:49:28,049 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:49:28,049 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:49:28,049 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:49:28,049 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:49:28,049 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:49:28,049 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:49:28,049 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P0Thread1of1ForFork2======== [2021-06-16 15:49:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 14151 states, 12384 states have (on average 2.4987887596899223) internal successors, (30945), 14150 states have internal predecessors, (30945), 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) [2021-06-16 15:49:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-06-16 15:49:29,254 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:49:29,254 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:49:29,254 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:49:29,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:49:29,254 INFO L82 PathProgramCache]: Analyzing trace with hash -483707812, now seen corresponding path program 1 times [2021-06-16 15:49:29,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:49:29,255 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449555455] [2021-06-16 15:49:29,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:49:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:49:29,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:29,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:49:29,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:49:29,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:49:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:49:29,275 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:49:29,275 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449555455] [2021-06-16 15:49:29,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449555455] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:49:29,275 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:49:29,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-16 15:49:29,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950577103] [2021-06-16 15:49:29,276 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 15:49:29,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:49:29,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 15:49:29,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 15:49:29,297 INFO L87 Difference]: Start difference. First operand has 14151 states, 12384 states have (on average 2.4987887596899223) internal successors, (30945), 14150 states have internal predecessors, (30945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-06-16 15:49:29,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:49:29,357 INFO L93 Difference]: Finished difference Result 12135 states and 25992 transitions. [2021-06-16 15:49:29,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 15:49:29,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-06-16 15:49:29,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:49:29,358 INFO L225 Difference]: With dead ends: 12135 [2021-06-16 15:49:29,358 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 15:49:29,359 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 15:49:29,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 15:49:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 15:49:29,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-06-16 15:49:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 15:49:29,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-06-16 15:49:29,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:49:29,360 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 15:49:29,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-06-16 15:49:29,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 15:49:29,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:49:29,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-16 15:49:29,360 INFO L301 ceAbstractionStarter]: Result for error location P0Thread1of1ForFork2 was SAFE (3/3) [2021-06-16 15:49:29,361 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 15:49:29,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 03:49:29 BasicIcfg [2021-06-16 15:49:29,477 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 15:49:29,478 INFO L168 Benchmark]: Toolchain (without parser) took 11306.49 ms. Allocated memory was 192.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 156.9 MB in the beginning and 885.8 MB in the end (delta: -728.9 MB). Peak memory consumption was 796.8 MB. Max. memory is 8.0 GB. [2021-06-16 15:49:29,478 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 192.9 MB. Free memory is still 175.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 15:49:29,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 448.60 ms. Allocated memory is still 192.9 MB. Free memory was 156.9 MB in the beginning and 155.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-06-16 15:49:29,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.28 ms. Allocated memory is still 192.9 MB. Free memory was 155.2 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:49:29,479 INFO L168 Benchmark]: Boogie Preprocessor took 30.78 ms. Allocated memory is still 192.9 MB. Free memory was 152.6 MB in the beginning and 150.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:49:29,479 INFO L168 Benchmark]: RCFGBuilder took 1532.90 ms. Allocated memory was 192.9 MB in the beginning and 281.0 MB in the end (delta: 88.1 MB). Free memory was 150.5 MB in the beginning and 175.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 88.5 MB. Max. memory is 8.0 GB. [2021-06-16 15:49:29,480 INFO L168 Benchmark]: TraceAbstraction took 9248.82 ms. Allocated memory was 281.0 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 175.2 MB in the beginning and 885.8 MB in the end (delta: -710.6 MB). Peak memory consumption was 725.4 MB. Max. memory is 8.0 GB. [2021-06-16 15:49:29,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 192.9 MB. Free memory is still 175.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 448.60 ms. Allocated memory is still 192.9 MB. Free memory was 156.9 MB in the beginning and 155.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 35.28 ms. Allocated memory is still 192.9 MB. Free memory was 155.2 MB in the beginning and 152.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.78 ms. Allocated memory is still 192.9 MB. Free memory was 152.6 MB in the beginning and 150.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1532.90 ms. Allocated memory was 192.9 MB in the beginning and 281.0 MB in the end (delta: 88.1 MB). Free memory was 150.5 MB in the beginning and 175.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 88.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9248.82 ms. Allocated memory was 281.0 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 175.2 MB in the beginning and 885.8 MB in the end (delta: -710.6 MB). Peak memory consumption was 725.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55920, positive: 51284, positive conditional: 51284, positive unconditional: 0, negative: 4636, negative conditional: 4636, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54447, positive: 51284, positive conditional: 0, positive unconditional: 51284, negative: 3163, negative conditional: 0, negative unconditional: 3163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1180, positive: 1144, positive conditional: 0, positive unconditional: 1144, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1180, positive: 1141, positive conditional: 0, positive unconditional: 1141, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 320, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 315, negative conditional: 0, negative unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54447, positive: 50140, positive conditional: 0, positive unconditional: 50140, negative: 3127, negative conditional: 0, negative unconditional: 3127, unknown: 1180, unknown conditional: 0, unknown unconditional: 1180] , Statistics on independence cache: Total cache size (in pairs): 1180, Positive cache size: 1144, Positive conditional cache size: 0, Positive unconditional cache size: 1144, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Independence queries for same thread: 1473 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55920, positive: 51284, positive conditional: 51284, positive unconditional: 0, negative: 4636, negative conditional: 4636, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54447, positive: 51284, positive conditional: 0, positive unconditional: 51284, negative: 3163, negative conditional: 0, negative unconditional: 3163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1180, positive: 1144, positive conditional: 0, positive unconditional: 1144, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1180, positive: 1141, positive conditional: 0, positive unconditional: 1141, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 350, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 311, negative conditional: 0, negative unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54447, positive: 50140, positive conditional: 0, positive unconditional: 50140, negative: 3127, negative conditional: 0, negative unconditional: 3127, unknown: 1180, unknown conditional: 0, unknown unconditional: 1180] , Statistics on independence cache: Total cache size (in pairs): 1180, Positive cache size: 1144, Positive conditional cache size: 0, Positive unconditional cache size: 1144, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Independence queries for same thread: 1473 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55920, positive: 51284, positive conditional: 51284, positive unconditional: 0, negative: 4636, negative conditional: 4636, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 54447, positive: 51284, positive conditional: 0, positive unconditional: 51284, negative: 3163, negative conditional: 0, negative unconditional: 3163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1180, positive: 1144, positive conditional: 0, positive unconditional: 1144, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1180, positive: 1141, positive conditional: 0, positive unconditional: 1141, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 39, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 281, negative conditional: 0, negative unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 54447, positive: 50140, positive conditional: 0, positive unconditional: 50140, negative: 3127, negative conditional: 0, negative unconditional: 3127, unknown: 1180, unknown conditional: 0, unknown unconditional: 1180] , Statistics on independence cache: Total cache size (in pairs): 1180, Positive cache size: 1144, Positive conditional cache size: 0, Positive unconditional cache size: 1144, Negative cache size: 36, Negative conditional cache size: 0, Negative unconditional cache size: 36, Independence queries for same thread: 1473 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L713] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L720] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L721] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L722] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L723] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L724] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L725] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L726] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L727] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L728] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L729] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L730] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L731] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L732] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L733] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L734] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L735] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L828] 0 pthread_t t2393; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L829] FCALL, FORK 0 pthread_create(&t2393, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L830] 0 pthread_t t2394; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y$w_buff1 = y$w_buff0 [L742] 1 y$w_buff0 = 1 [L743] 1 y$w_buff1_used = y$w_buff0_used [L744] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L747] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L748] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L749] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L750] 1 y$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L831] FCALL, FORK 0 pthread_create(&t2394, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] 0 pthread_t t2395; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L770] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L833] FCALL, FORK 0 pthread_create(&t2395, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L787] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 y$flush_delayed = weak$$choice2 [L793] 3 y$mem_tmp = y [L794] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L794] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L795] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L796] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L797] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L799] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EBX = y [L802] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L802] 3 y = y$flush_delayed ? y$mem_tmp : y [L803] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L806] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L806] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L807] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L808] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L808] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L809] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L810] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L810] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L756] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L756] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L757] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L757] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L758] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L759] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L759] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L760] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L760] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L773] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L773] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L774] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L774] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L775] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L775] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L776] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L776] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L777] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L777] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L835] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L839] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L839] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L840] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L840] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L841] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L841] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L842] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L842] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L843] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L843] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L846] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=1, x=2, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0 with 1 thread instances CFG has 7 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1377.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 179.5ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1195.1ms, PartialOrderReductionTime: 1187.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14151occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6328.1ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 145.5ms, AutomataDifference: 2222.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1024.4ms, PartialOrderReductionTime: 1019.1ms, HoareTripleCheckerStatistics: 1144 SDtfs, 1860 SDslu, 4465 SDs, 0 SdLazy, 533 SolverSat, 109 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 571.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1284.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14151occurred in iteration=0, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 969.6ms AutomataMinimizationTime, 9 MinimizatonAttempts, 2776 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 38.9ms SsaConstructionTime, 462.2ms SatisfiabilityAnalysisTime, 1193.1ms InterpolantComputationTime, 751 NumberOfCodeBlocks, 751 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 661 ConstructedInterpolants, 0 QuantifiedInterpolants, 3058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P0Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1311.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 22.9ms, AutomataDifference: 82.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1181.6ms, PartialOrderReductionTime: 1180.1ms, HoareTripleCheckerStatistics: 93 SDtfs, 48 SDslu, 73 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=14151occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7ms SsaConstructionTime, 2.3ms SatisfiabilityAnalysisTime, 13.8ms InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...