/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/safe032_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:13:07,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:13:07,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:13:07,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 22:13:07,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 22:13:07,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 22:13:07,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 22:13:07,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 22:13:07,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 22:13:07,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 22:13:07,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 22:13:07,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 22:13:07,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:13:07,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:13:07,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:13:07,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:13:07,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:13:07,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:13:07,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:13:07,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:13:07,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:13:07,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:13:07,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:13:07,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:13:07,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 22:13:07,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 22:13:07,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 22:13:07,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 22:13:07,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 22:13:07,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 22:13:07,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 22:13:07,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 22:13:07,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 22:13:07,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 22:13:07,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 22:13:07,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 22:13:07,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 22:13:07,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 22:13:07,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:13:07,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:13:07,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:13:07,371 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 [2021-07-09 22:13:07,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:13:07,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:13:07,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:13:07,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:13:07,400 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:13:07,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:13:07,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:13:07,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:13:07,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:13:07,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:13:07,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:13:07,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:13:07,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:13:07,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:13:07,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:13:07,403 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:13:07,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:13:07,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:13:07,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:13:07,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:13:07,683 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 22:13:07,683 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 22:13:07,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_power.opt.i [2021-07-09 22:13:07,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0bc4bf4e/ea1cf260018b4dea810e03bc376a72fb/FLAGcea6b92b2 [2021-07-09 22:13:08,179 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 22:13:08,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_power.opt.i [2021-07-09 22:13:08,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0bc4bf4e/ea1cf260018b4dea810e03bc376a72fb/FLAGcea6b92b2 [2021-07-09 22:13:08,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0bc4bf4e/ea1cf260018b4dea810e03bc376a72fb [2021-07-09 22:13:08,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:13:08,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 22:13:08,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 22:13:08,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 22:13:08,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 22:13:08,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf3336b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08, skipping insertion in model container [2021-07-09 22:13:08,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 22:13:08,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 22:13:08,394 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/safe032_power.opt.i[994,1007] [2021-07-09 22:13:08,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:13:08,573 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 22:13:08,580 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/safe032_power.opt.i[994,1007] [2021-07-09 22:13:08,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:13:08,654 INFO L208 MainTranslator]: Completed translation [2021-07-09 22:13:08,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08 WrapperNode [2021-07-09 22:13:08,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 22:13:08,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:13:08,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:13:08,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:13:08,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:13:08,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:13:08,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:13:08,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:13:08,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (1/1) ... [2021-07-09 22:13:08,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:13:08,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:13:08,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:13:08,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:13:08,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (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 [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-09 22:13:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-09 22:13:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-09 22:13:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-09 22:13:08,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 22:13:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-09 22:13:08,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:13:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:13:08,812 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-09 22:13:11,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:13:11,001 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-09 22:13:11,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:13:11 BoogieIcfgContainer [2021-07-09 22:13:11,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:13:11,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:13:11,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:13:11,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:13:11,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 10:13:08" (1/3) ... [2021-07-09 22:13:11,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad64719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:13:11, skipping insertion in model container [2021-07-09 22:13:11,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:13:08" (2/3) ... [2021-07-09 22:13:11,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ad64719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:13:11, skipping insertion in model container [2021-07-09 22:13:11,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:13:11" (3/3) ... [2021-07-09 22:13:11,008 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_power.opt.i [2021-07-09 22:13:11,012 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:13:11,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:13:11,013 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-09 22:13:11,013 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:13:11,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,046 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,047 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,048 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,052 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,053 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,054 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,069 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,070 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,075 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,077 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,077 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,077 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,077 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,108 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,109 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,110 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,111 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,121 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,124 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,126 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,127 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,131 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:13:11,132 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-09 22:13:11,149 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-09 22:13:11,172 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:13:11,172 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:13:11,172 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:13:11,172 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:13:11,172 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:13:11,172 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:13:11,172 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:13:11,173 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == P2Thread1of1ForFork0======== [2021-07-09 22:13:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 5632 states, 5560 states have (on average 2.3424460431654675) internal successors, (13024), 5631 states have internal predecessors, (13024), 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) [2021-07-09 22:13:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-07-09 22:13:11,969 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:11,970 INFO L508 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] [2021-07-09 22:13:11,970 INFO L430 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:11,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:11,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1914108186, now seen corresponding path program 1 times [2021-07-09 22:13:11,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:11,979 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316786643] [2021-07-09 22:13:11,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:12,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:12,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:12,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:12,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:12,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:12,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316786643] [2021-07-09 22:13:12,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316786643] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:12,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:12,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-09 22:13:12,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063503954] [2021-07-09 22:13:12,170 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 22:13:12,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:12,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 22:13:12,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 22:13:12,195 INFO L87 Difference]: Start difference. First operand has 5632 states, 5560 states have (on average 2.3424460431654675) internal successors, (13024), 5631 states have internal predecessors, (13024), 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 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-07-09 22:13:12,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:12,257 INFO L93 Difference]: Finished difference Result 3805 states and 7670 transitions. [2021-07-09 22:13:12,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 22:13:12,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 55 [2021-07-09 22:13:12,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:12,262 INFO L225 Difference]: With dead ends: 3805 [2021-07-09 22:13:12,262 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 22:13:12,263 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 22:13:12,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 22:13:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 22:13:12,277 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) [2021-07-09 22:13:12,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 22:13:12,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-07-09 22:13:12,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:12,278 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 22:13:12,278 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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) [2021-07-09 22:13:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 22:13:12,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 22:13:12,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:13:12,279 INFO L301 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE (1/2) [2021-07-09 22:13:12,280 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-09 22:13:12,281 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:13:12,281 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:13:12,281 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:13:12,281 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:13:12,281 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:13:12,281 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:13:12,281 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:13:12,281 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:13:13,345 INFO L276 IsEmpty]: Start isEmpty. Operand has 9601 states, 8469 states have (on average 2.3406541504309835) internal successors, (19823), 9600 states have internal predecessors, (19823), 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) [2021-07-09 22:13:13,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-07-09 22:13:13,358 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:13,358 INFO L508 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] [2021-07-09 22:13:13,359 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:13,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:13,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1969788092, now seen corresponding path program 1 times [2021-07-09 22:13:13,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:13,359 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423986468] [2021-07-09 22:13:13,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:13,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:13,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:13,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:13,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:13,568 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:13,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:13,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:13,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:13,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:13,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:13,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:13,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:13,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:13,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423986468] [2021-07-09 22:13:13,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423986468] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:13,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:13,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:13:13,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85196418] [2021-07-09 22:13:13,602 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:13:13,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:13,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:13:13,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:13:13,613 INFO L87 Difference]: Start difference. First operand has 9601 states, 8469 states have (on average 2.3406541504309835) internal successors, (19823), 9600 states have internal predecessors, (19823), 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 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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) [2021-07-09 22:13:13,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:13,774 INFO L93 Difference]: Finished difference Result 11437 states and 23915 transitions. [2021-07-09 22:13:13,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:13:13,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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 [2021-07-09 22:13:13,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:13,805 INFO L225 Difference]: With dead ends: 11437 [2021-07-09 22:13:13,805 INFO L226 Difference]: Without dead ends: 5326 [2021-07-09 22:13:13,805 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 82.6ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:13:13,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5326 states. [2021-07-09 22:13:13,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5326 to 5326. [2021-07-09 22:13:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5326 states, 5261 states have (on average 2.517772286637521) internal successors, (13246), 5325 states have internal predecessors, (13246), 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) [2021-07-09 22:13:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5326 states to 5326 states and 13246 transitions. [2021-07-09 22:13:13,962 INFO L78 Accepts]: Start accepts. Automaton has 5326 states and 13246 transitions. Word has length 67 [2021-07-09 22:13:13,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:13,963 INFO L482 AbstractCegarLoop]: Abstraction has 5326 states and 13246 transitions. [2021-07-09 22:13:13,964 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 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) [2021-07-09 22:13:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 5326 states and 13246 transitions. [2021-07-09 22:13:13,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-07-09 22:13:13,970 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:13,970 INFO L508 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] [2021-07-09 22:13:13,970 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 22:13:13,970 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:13,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:13,971 INFO L82 PathProgramCache]: Analyzing trace with hash -2077466371, now seen corresponding path program 1 times [2021-07-09 22:13:13,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:13,971 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015130085] [2021-07-09 22:13:13,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:14,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:14,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:14,076 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:14,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:14,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:14,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:14,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:14,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:14,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015130085] [2021-07-09 22:13:14,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015130085] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:14,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:14,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:13:14,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281471541] [2021-07-09 22:13:14,107 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:13:14,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:14,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:13:14,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:13:14,108 INFO L87 Difference]: Start difference. First operand 5326 states and 13246 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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) [2021-07-09 22:13:14,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:14,224 INFO L93 Difference]: Finished difference Result 5762 states and 14484 transitions. [2021-07-09 22:13:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:13:14,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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 [2021-07-09 22:13:14,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:14,241 INFO L225 Difference]: With dead ends: 5762 [2021-07-09 22:13:14,241 INFO L226 Difference]: Without dead ends: 4016 [2021-07-09 22:13:14,241 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 70.0ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:13:14,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4016 states. [2021-07-09 22:13:14,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4016 to 4016. [2021-07-09 22:13:14,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4016 states, 3980 states have (on average 2.454522613065327) internal successors, (9769), 4015 states have internal predecessors, (9769), 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) [2021-07-09 22:13:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4016 states to 4016 states and 9769 transitions. [2021-07-09 22:13:14,328 INFO L78 Accepts]: Start accepts. Automaton has 4016 states and 9769 transitions. Word has length 69 [2021-07-09 22:13:14,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:14,328 INFO L482 AbstractCegarLoop]: Abstraction has 4016 states and 9769 transitions. [2021-07-09 22:13:14,328 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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) [2021-07-09 22:13:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 4016 states and 9769 transitions. [2021-07-09 22:13:14,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-07-09 22:13:14,335 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:14,335 INFO L508 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] [2021-07-09 22:13:14,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 22:13:14,335 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:14,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:14,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1045325439, now seen corresponding path program 1 times [2021-07-09 22:13:14,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:14,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346071185] [2021-07-09 22:13:14,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:14,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:14,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:14,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:14,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:14,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:14,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:14,594 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-07-09 22:13:14,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:14,623 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-07-09 22:13:14,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:13:14,663 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-07-09 22:13:14,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:14,688 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.4 percent of original size [2021-07-09 22:13:14,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 22:13:14,723 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:14,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:14,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:14,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:14,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:14,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:14,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:14,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346071185] [2021-07-09 22:13:14,771 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346071185] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:14,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:14,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-07-09 22:13:14,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860880403] [2021-07-09 22:13:14,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 22:13:14,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:14,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 22:13:14,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-09 22:13:14,773 INFO L87 Difference]: Start difference. First operand 4016 states and 9769 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 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) [2021-07-09 22:13:15,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:15,534 INFO L93 Difference]: Finished difference Result 4574 states and 10732 transitions. [2021-07-09 22:13:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 22:13:15,535 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 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 [2021-07-09 22:13:15,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:15,549 INFO L225 Difference]: With dead ends: 4574 [2021-07-09 22:13:15,549 INFO L226 Difference]: Without dead ends: 3774 [2021-07-09 22:13:15,550 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 580.2ms TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2021-07-09 22:13:15,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3774 states. [2021-07-09 22:13:15,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3774 to 3621. [2021-07-09 22:13:15,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3621 states, 3586 states have (on average 2.366982710540993) internal successors, (8488), 3620 states have internal predecessors, (8488), 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) [2021-07-09 22:13:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 8488 transitions. [2021-07-09 22:13:15,617 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 8488 transitions. Word has length 73 [2021-07-09 22:13:15,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:15,617 INFO L482 AbstractCegarLoop]: Abstraction has 3621 states and 8488 transitions. [2021-07-09 22:13:15,618 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 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) [2021-07-09 22:13:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 8488 transitions. [2021-07-09 22:13:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-07-09 22:13:15,623 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:15,623 INFO L508 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] [2021-07-09 22:13:15,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 22:13:15,623 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:15,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:15,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1881449753, now seen corresponding path program 2 times [2021-07-09 22:13:15,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:15,624 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967459407] [2021-07-09 22:13:15,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:15,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:15,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:15,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:15,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:15,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:15,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:15,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:13:15,879 INFO L142 QuantifierPusher]: treesize reduction 48, result has 42.2 percent of original size [2021-07-09 22:13:15,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:13:15,903 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size [2021-07-09 22:13:15,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:13:15,924 INFO L142 QuantifierPusher]: treesize reduction 28, result has 63.6 percent of original size [2021-07-09 22:13:15,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-09 22:13:15,958 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:15,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:15,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:15,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:15,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:15,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967459407] [2021-07-09 22:13:15,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967459407] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:15,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:15,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:13:15,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081883046] [2021-07-09 22:13:15,998 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:13:15,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:15,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:13:15,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:15,999 INFO L87 Difference]: Start difference. First operand 3621 states and 8488 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 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) [2021-07-09 22:13:16,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:16,341 INFO L93 Difference]: Finished difference Result 3921 states and 9534 transitions. [2021-07-09 22:13:16,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:16,342 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 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 [2021-07-09 22:13:16,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:16,354 INFO L225 Difference]: With dead ends: 3921 [2021-07-09 22:13:16,355 INFO L226 Difference]: Without dead ends: 3321 [2021-07-09 22:13:16,355 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 258.7ms TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2021-07-09 22:13:16,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2021-07-09 22:13:16,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3306. [2021-07-09 22:13:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3306 states, 3271 states have (on average 2.404157749923571) internal successors, (7864), 3305 states have internal predecessors, (7864), 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) [2021-07-09 22:13:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 3306 states and 7864 transitions. [2021-07-09 22:13:16,413 INFO L78 Accepts]: Start accepts. Automaton has 3306 states and 7864 transitions. Word has length 73 [2021-07-09 22:13:16,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:16,413 INFO L482 AbstractCegarLoop]: Abstraction has 3306 states and 7864 transitions. [2021-07-09 22:13:16,414 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 15 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) [2021-07-09 22:13:16,414 INFO L276 IsEmpty]: Start isEmpty. Operand 3306 states and 7864 transitions. [2021-07-09 22:13:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-07-09 22:13:16,418 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:16,418 INFO L508 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] [2021-07-09 22:13:16,419 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 22:13:16,419 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:16,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:16,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1280247215, now seen corresponding path program 1 times [2021-07-09 22:13:16,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:16,419 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178689234] [2021-07-09 22:13:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:16,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:16,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:16,471 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:16,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:16,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:16,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:16,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:16,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:16,495 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178689234] [2021-07-09 22:13:16,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178689234] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:16,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:16,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:13:16,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747953850] [2021-07-09 22:13:16,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:13:16,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:16,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:13:16,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:13:16,496 INFO L87 Difference]: Start difference. First operand 3306 states and 7864 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2021-07-09 22:13:16,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:16,586 INFO L93 Difference]: Finished difference Result 5166 states and 13128 transitions. [2021-07-09 22:13:16,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:13:16,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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 74 [2021-07-09 22:13:16,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:16,598 INFO L225 Difference]: With dead ends: 5166 [2021-07-09 22:13:16,598 INFO L226 Difference]: Without dead ends: 3098 [2021-07-09 22:13:16,598 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 67.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:13:16,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2021-07-09 22:13:16,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 2598. [2021-07-09 22:13:16,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2598 states, 2573 states have (on average 2.3909832879906725) internal successors, (6152), 2597 states have internal predecessors, (6152), 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) [2021-07-09 22:13:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2598 states and 6152 transitions. [2021-07-09 22:13:16,643 INFO L78 Accepts]: Start accepts. Automaton has 2598 states and 6152 transitions. Word has length 74 [2021-07-09 22:13:16,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:16,643 INFO L482 AbstractCegarLoop]: Abstraction has 2598 states and 6152 transitions. [2021-07-09 22:13:16,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 6 states have internal predecessors, (74), 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) [2021-07-09 22:13:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 6152 transitions. [2021-07-09 22:13:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:16,647 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:16,647 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:16,647 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 22:13:16,647 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:16,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:16,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1924315905, now seen corresponding path program 1 times [2021-07-09 22:13:16,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:16,648 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994198221] [2021-07-09 22:13:16,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:16,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:16,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:16,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:16,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:16,786 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.1 percent of original size [2021-07-09 22:13:16,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-09 22:13:16,814 INFO L142 QuantifierPusher]: treesize reduction 63, result has 48.4 percent of original size [2021-07-09 22:13:16,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 22:13:16,846 INFO L142 QuantifierPusher]: treesize reduction 52, result has 54.0 percent of original size [2021-07-09 22:13:16,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 22:13:16,876 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-09 22:13:16,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:13:16,897 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-09 22:13:16,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:13:16,916 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:16,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:16,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:16,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:16,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:16,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:16,960 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:16,960 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994198221] [2021-07-09 22:13:16,960 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994198221] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:16,960 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:16,960 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-07-09 22:13:16,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722997102] [2021-07-09 22:13:16,961 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 22:13:16,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:16,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 22:13:16,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-07-09 22:13:16,961 INFO L87 Difference]: Start difference. First operand 2598 states and 6152 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:17,253 INFO L93 Difference]: Finished difference Result 3430 states and 8224 transitions. [2021-07-09 22:13:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:13:17,261 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-07-09 22:13:17,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:17,268 INFO L225 Difference]: With dead ends: 3430 [2021-07-09 22:13:17,269 INFO L226 Difference]: Without dead ends: 2982 [2021-07-09 22:13:17,269 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 241.7ms TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:13:17,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2982 states. [2021-07-09 22:13:17,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2982 to 2662. [2021-07-09 22:13:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2662 states, 2637 states have (on average 2.3754266211604094) internal successors, (6264), 2661 states have internal predecessors, (6264), 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) [2021-07-09 22:13:17,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2662 states and 6264 transitions. [2021-07-09 22:13:17,314 INFO L78 Accepts]: Start accepts. Automaton has 2662 states and 6264 transitions. Word has length 75 [2021-07-09 22:13:17,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:17,314 INFO L482 AbstractCegarLoop]: Abstraction has 2662 states and 6264 transitions. [2021-07-09 22:13:17,314 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:17,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 6264 transitions. [2021-07-09 22:13:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:17,318 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:17,318 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:17,318 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 22:13:17,318 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:17,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:17,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1249926915, now seen corresponding path program 2 times [2021-07-09 22:13:17,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:17,319 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788372927] [2021-07-09 22:13:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:17,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:17,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:17,398 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:17,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:17,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:17,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:17,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:17,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:17,413 INFO L142 QuantifierPusher]: treesize reduction 63, result has 45.7 percent of original size [2021-07-09 22:13:17,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:13:17,438 INFO L142 QuantifierPusher]: treesize reduction 63, result has 47.1 percent of original size [2021-07-09 22:13:17,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-09 22:13:17,466 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-07-09 22:13:17,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:13:17,481 INFO L142 QuantifierPusher]: treesize reduction 27, result has 69.0 percent of original size [2021-07-09 22:13:17,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-07-09 22:13:17,511 INFO L142 QuantifierPusher]: treesize reduction 27, result has 70.7 percent of original size [2021-07-09 22:13:17,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-09 22:13:17,545 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:17,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:17,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:17,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:17,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:17,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:17,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:17,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:17,589 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:17,589 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788372927] [2021-07-09 22:13:17,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788372927] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:17,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:17,590 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-09 22:13:17,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358815930] [2021-07-09 22:13:17,590 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 22:13:17,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:17,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 22:13:17,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:17,590 INFO L87 Difference]: Start difference. First operand 2662 states and 6264 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:18,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:18,332 INFO L93 Difference]: Finished difference Result 3840 states and 9418 transitions. [2021-07-09 22:13:18,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-09 22:13:18,333 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-07-09 22:13:18,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:18,340 INFO L225 Difference]: With dead ends: 3840 [2021-07-09 22:13:18,340 INFO L226 Difference]: Without dead ends: 3012 [2021-07-09 22:13:18,341 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 505.5ms TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:13:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2021-07-09 22:13:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2630. [2021-07-09 22:13:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2630 states, 2605 states have (on average 2.4019193857965453) internal successors, (6257), 2629 states have internal predecessors, (6257), 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) [2021-07-09 22:13:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 6257 transitions. [2021-07-09 22:13:18,394 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 6257 transitions. Word has length 75 [2021-07-09 22:13:18,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:18,395 INFO L482 AbstractCegarLoop]: Abstraction has 2630 states and 6257 transitions. [2021-07-09 22:13:18,395 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 6257 transitions. [2021-07-09 22:13:18,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:18,399 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:18,399 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:18,399 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 22:13:18,399 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:18,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:18,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1488436929, now seen corresponding path program 3 times [2021-07-09 22:13:18,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:18,400 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533862140] [2021-07-09 22:13:18,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:18,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:18,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:18,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:18,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:18,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:18,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:18,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:18,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:18,494 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-09 22:13:18,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:13:18,512 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.7 percent of original size [2021-07-09 22:13:18,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:13:18,533 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.3 percent of original size [2021-07-09 22:13:18,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 22:13:18,564 INFO L142 QuantifierPusher]: treesize reduction 75, result has 47.6 percent of original size [2021-07-09 22:13:18,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 22:13:18,603 INFO L142 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size [2021-07-09 22:13:18,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 22:13:18,625 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:18,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:18,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:18,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:18,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:18,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:18,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:18,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:18,667 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:18,667 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533862140] [2021-07-09 22:13:18,667 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533862140] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:18,667 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:18,667 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-09 22:13:18,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121881805] [2021-07-09 22:13:18,667 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 22:13:18,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 22:13:18,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:18,668 INFO L87 Difference]: Start difference. First operand 2630 states and 6257 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:19,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:19,153 INFO L93 Difference]: Finished difference Result 3648 states and 8943 transitions. [2021-07-09 22:13:19,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 22:13:19,154 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-07-09 22:13:19,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:19,161 INFO L225 Difference]: With dead ends: 3648 [2021-07-09 22:13:19,161 INFO L226 Difference]: Without dead ends: 2856 [2021-07-09 22:13:19,162 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 398.4ms TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2021-07-09 22:13:19,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2856 states. [2021-07-09 22:13:19,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2856 to 2686. [2021-07-09 22:13:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2686 states, 2661 states have (on average 2.3934611048478014) internal successors, (6369), 2685 states have internal predecessors, (6369), 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) [2021-07-09 22:13:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2686 states to 2686 states and 6369 transitions. [2021-07-09 22:13:19,218 INFO L78 Accepts]: Start accepts. Automaton has 2686 states and 6369 transitions. Word has length 75 [2021-07-09 22:13:19,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:19,218 INFO L482 AbstractCegarLoop]: Abstraction has 2686 states and 6369 transitions. [2021-07-09 22:13:19,218 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 6369 transitions. [2021-07-09 22:13:19,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:19,223 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:19,223 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:19,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 22:13:19,223 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:19,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:19,224 INFO L82 PathProgramCache]: Analyzing trace with hash 488873277, now seen corresponding path program 4 times [2021-07-09 22:13:19,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:19,224 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986554322] [2021-07-09 22:13:19,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:19,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:19,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:19,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:19,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:19,326 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-09 22:13:19,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:13:19,346 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.7 percent of original size [2021-07-09 22:13:19,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:13:19,366 INFO L142 QuantifierPusher]: treesize reduction 26, result has 60.6 percent of original size [2021-07-09 22:13:19,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 22:13:19,392 INFO L142 QuantifierPusher]: treesize reduction 52, result has 55.2 percent of original size [2021-07-09 22:13:19,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-09 22:13:19,432 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-09 22:13:19,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:13:19,451 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:19,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:19,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:19,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:19,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:19,488 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:19,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986554322] [2021-07-09 22:13:19,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986554322] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:19,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:19,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-07-09 22:13:19,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488325026] [2021-07-09 22:13:19,488 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-09 22:13:19,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:19,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-09 22:13:19,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:19,489 INFO L87 Difference]: Start difference. First operand 2686 states and 6369 transitions. Second operand has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:19,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:19,851 INFO L93 Difference]: Finished difference Result 3976 states and 9883 transitions. [2021-07-09 22:13:19,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:13:19,852 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-07-09 22:13:19,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:19,859 INFO L225 Difference]: With dead ends: 3976 [2021-07-09 22:13:19,859 INFO L226 Difference]: Without dead ends: 3452 [2021-07-09 22:13:19,859 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 287.0ms TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:13:19,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3452 states. [2021-07-09 22:13:19,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3452 to 2688. [2021-07-09 22:13:19,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2688 states, 2663 states have (on average 2.3897859556890726) internal successors, (6364), 2687 states have internal predecessors, (6364), 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) [2021-07-09 22:13:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 6364 transitions. [2021-07-09 22:13:19,901 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 6364 transitions. Word has length 75 [2021-07-09 22:13:19,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:19,902 INFO L482 AbstractCegarLoop]: Abstraction has 2688 states and 6364 transitions. [2021-07-09 22:13:19,902 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 5.769230769230769) internal successors, (75), 13 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:19,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 6364 transitions. [2021-07-09 22:13:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-07-09 22:13:19,905 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:19,906 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:19,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 22:13:19,906 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:19,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:19,906 INFO L82 PathProgramCache]: Analyzing trace with hash 134298045, now seen corresponding path program 5 times [2021-07-09 22:13:19,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:19,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935137003] [2021-07-09 22:13:19,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:19,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:19,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:19,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:19,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:19,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:20,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:20,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:20,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:20,036 INFO L142 QuantifierPusher]: treesize reduction 48, result has 40.0 percent of original size [2021-07-09 22:13:20,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:20,056 INFO L142 QuantifierPusher]: treesize reduction 48, result has 35.1 percent of original size [2021-07-09 22:13:20,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:13:20,073 INFO L142 QuantifierPusher]: treesize reduction 48, result has 39.2 percent of original size [2021-07-09 22:13:20,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:13:20,092 INFO L142 QuantifierPusher]: treesize reduction 38, result has 63.1 percent of original size [2021-07-09 22:13:20,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-09 22:13:20,125 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:20,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:20,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:20,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:20,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:20,164 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:20,164 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935137003] [2021-07-09 22:13:20,164 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935137003] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:20,164 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:20,164 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:13:20,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334723140] [2021-07-09 22:13:20,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:13:20,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:20,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:13:20,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:20,165 INFO L87 Difference]: Start difference. First operand 2688 states and 6364 transitions. Second operand has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:20,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:20,820 INFO L93 Difference]: Finished difference Result 5220 states and 13404 transitions. [2021-07-09 22:13:20,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-09 22:13:20,831 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-07-09 22:13:20,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:20,836 INFO L225 Difference]: With dead ends: 5220 [2021-07-09 22:13:20,837 INFO L226 Difference]: Without dead ends: 2494 [2021-07-09 22:13:20,837 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 522.9ms TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2021-07-09 22:13:20,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2494 states. [2021-07-09 22:13:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2494 to 2026. [2021-07-09 22:13:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 2001 states have (on average 2.450774612693653) internal successors, (4904), 2025 states have internal predecessors, (4904), 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) [2021-07-09 22:13:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 4904 transitions. [2021-07-09 22:13:20,866 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 4904 transitions. Word has length 75 [2021-07-09 22:13:20,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:20,866 INFO L482 AbstractCegarLoop]: Abstraction has 2026 states and 4904 transitions. [2021-07-09 22:13:20,866 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 15 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 22:13:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 4904 transitions. [2021-07-09 22:13:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-09 22:13:20,869 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:20,869 INFO L508 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] [2021-07-09 22:13:20,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 22:13:20,869 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:20,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:20,870 INFO L82 PathProgramCache]: Analyzing trace with hash -906061279, now seen corresponding path program 1 times [2021-07-09 22:13:20,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:20,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062440374] [2021-07-09 22:13:20,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:20,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:20,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:20,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:20,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:20,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:20,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:20,983 INFO L142 QuantifierPusher]: treesize reduction 37, result has 43.9 percent of original size [2021-07-09 22:13:20,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 22:13:20,999 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-07-09 22:13:20,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:21,017 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-09 22:13:21,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 22:13:21,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:21,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:21,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:21,064 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:21,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:21,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:21,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:21,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:21,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:21,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062440374] [2021-07-09 22:13:21,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062440374] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:21,103 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:21,103 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:13:21,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22190042] [2021-07-09 22:13:21,103 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:13:21,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:21,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:13:21,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:21,104 INFO L87 Difference]: Start difference. First operand 2026 states and 4904 transitions. Second operand has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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) [2021-07-09 22:13:21,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:21,473 INFO L93 Difference]: Finished difference Result 3524 states and 8799 transitions. [2021-07-09 22:13:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 22:13:21,474 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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 [2021-07-09 22:13:21,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:21,477 INFO L225 Difference]: With dead ends: 3524 [2021-07-09 22:13:21,478 INFO L226 Difference]: Without dead ends: 2206 [2021-07-09 22:13:21,478 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 214.1ms TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2021-07-09 22:13:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2206 states. [2021-07-09 22:13:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2206 to 2174. [2021-07-09 22:13:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 2149 states have (on average 2.370870172173104) internal successors, (5095), 2173 states have internal predecessors, (5095), 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) [2021-07-09 22:13:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 5095 transitions. [2021-07-09 22:13:21,546 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 5095 transitions. Word has length 76 [2021-07-09 22:13:21,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:21,546 INFO L482 AbstractCegarLoop]: Abstraction has 2174 states and 5095 transitions. [2021-07-09 22:13:21,546 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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) [2021-07-09 22:13:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 5095 transitions. [2021-07-09 22:13:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-09 22:13:21,551 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:21,551 INFO L508 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] [2021-07-09 22:13:21,551 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-09 22:13:21,551 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:21,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:21,552 INFO L82 PathProgramCache]: Analyzing trace with hash -523340891, now seen corresponding path program 2 times [2021-07-09 22:13:21,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:21,552 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805900887] [2021-07-09 22:13:21,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:21,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:21,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:21,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:21,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:21,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:21,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:21,654 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-07-09 22:13:21,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:21,671 INFO L142 QuantifierPusher]: treesize reduction 27, result has 72.7 percent of original size [2021-07-09 22:13:21,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-09 22:13:21,707 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-07-09 22:13:21,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:13:21,718 INFO L142 QuantifierPusher]: treesize reduction 4, result has 66.7 percent of original size [2021-07-09 22:13:21,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-09 22:13:21,726 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:21,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:21,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:21,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:21,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:21,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:21,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:21,765 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:21,765 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805900887] [2021-07-09 22:13:21,765 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805900887] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:21,765 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:21,765 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-07-09 22:13:21,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113595594] [2021-07-09 22:13:21,765 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-09 22:13:21,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-09 22:13:21,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-07-09 22:13:21,766 INFO L87 Difference]: Start difference. First operand 2174 states and 5095 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 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) [2021-07-09 22:13:22,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:22,166 INFO L93 Difference]: Finished difference Result 3389 states and 8357 transitions. [2021-07-09 22:13:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-09 22:13:22,167 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 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 [2021-07-09 22:13:22,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:22,171 INFO L225 Difference]: With dead ends: 3389 [2021-07-09 22:13:22,171 INFO L226 Difference]: Without dead ends: 2470 [2021-07-09 22:13:22,171 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 270.6ms TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2021-07-09 22:13:22,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2021-07-09 22:13:22,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2116. [2021-07-09 22:13:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2116 states, 2091 states have (on average 2.3658536585365852) internal successors, (4947), 2115 states have internal predecessors, (4947), 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) [2021-07-09 22:13:22,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 4947 transitions. [2021-07-09 22:13:22,200 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 4947 transitions. Word has length 76 [2021-07-09 22:13:22,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:22,200 INFO L482 AbstractCegarLoop]: Abstraction has 2116 states and 4947 transitions. [2021-07-09 22:13:22,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 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) [2021-07-09 22:13:22,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 4947 transitions. [2021-07-09 22:13:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-09 22:13:22,203 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:22,203 INFO L508 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] [2021-07-09 22:13:22,203 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-09 22:13:22,203 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:22,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:22,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1839857509, now seen corresponding path program 3 times [2021-07-09 22:13:22,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:22,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233273313] [2021-07-09 22:13:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:22,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:22,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:22,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:22,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:22,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 22:13:22,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-09 22:13:22,305 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:22,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:22,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:22,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:22,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:22,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:22,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:22,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233273313] [2021-07-09 22:13:22,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233273313] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:22,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:22,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-07-09 22:13:22,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414075089] [2021-07-09 22:13:22,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-09 22:13:22,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:22,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-09 22:13:22,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-09 22:13:22,334 INFO L87 Difference]: Start difference. First operand 2116 states and 4947 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 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) [2021-07-09 22:13:22,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:22,641 INFO L93 Difference]: Finished difference Result 2818 states and 6900 transitions. [2021-07-09 22:13:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:13:22,642 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 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 [2021-07-09 22:13:22,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:22,645 INFO L225 Difference]: With dead ends: 2818 [2021-07-09 22:13:22,645 INFO L226 Difference]: Without dead ends: 2170 [2021-07-09 22:13:22,646 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 169.6ms TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:13:22,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2021-07-09 22:13:22,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 2118. [2021-07-09 22:13:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2118 states, 2093 states have (on average 2.362159579550884) internal successors, (4944), 2117 states have internal predecessors, (4944), 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) [2021-07-09 22:13:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 4944 transitions. [2021-07-09 22:13:22,671 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 4944 transitions. Word has length 76 [2021-07-09 22:13:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:22,672 INFO L482 AbstractCegarLoop]: Abstraction has 2118 states and 4944 transitions. [2021-07-09 22:13:22,672 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 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) [2021-07-09 22:13:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 4944 transitions. [2021-07-09 22:13:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-09 22:13:22,674 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:22,674 INFO L508 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] [2021-07-09 22:13:22,674 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-09 22:13:22,675 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:22,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:22,675 INFO L82 PathProgramCache]: Analyzing trace with hash -562040091, now seen corresponding path program 4 times [2021-07-09 22:13:22,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:22,675 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500587423] [2021-07-09 22:13:22,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:22,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:22,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:22,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:22,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:22,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:22,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:22,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:22,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:22,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:22,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-09 22:13:22,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 22:13:22,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-09 22:13:22,826 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:22,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:22,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:22,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:22,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:22,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:22,864 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:22,864 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500587423] [2021-07-09 22:13:22,864 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500587423] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:22,864 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:22,864 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-07-09 22:13:22,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492010474] [2021-07-09 22:13:22,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 22:13:22,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:22,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 22:13:22,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2021-07-09 22:13:22,865 INFO L87 Difference]: Start difference. First operand 2118 states and 4944 transitions. Second operand has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 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) [2021-07-09 22:13:23,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:23,376 INFO L93 Difference]: Finished difference Result 3172 states and 7751 transitions. [2021-07-09 22:13:23,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-09 22:13:23,377 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 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 [2021-07-09 22:13:23,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:23,380 INFO L225 Difference]: With dead ends: 3172 [2021-07-09 22:13:23,380 INFO L226 Difference]: Without dead ends: 2340 [2021-07-09 22:13:23,380 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 347.7ms TimeCoverageRelationStatistics Valid=219, Invalid=651, Unknown=0, NotChecked=0, Total=870 [2021-07-09 22:13:23,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2340 states. [2021-07-09 22:13:23,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2340 to 1835. [2021-07-09 22:13:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1810 states have (on average 2.3834254143646407) internal successors, (4314), 1834 states have internal predecessors, (4314), 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) [2021-07-09 22:13:23,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 4314 transitions. [2021-07-09 22:13:23,404 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 4314 transitions. Word has length 76 [2021-07-09 22:13:23,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:23,404 INFO L482 AbstractCegarLoop]: Abstraction has 1835 states and 4314 transitions. [2021-07-09 22:13:23,404 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 4.75) internal successors, (76), 16 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) [2021-07-09 22:13:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 4314 transitions. [2021-07-09 22:13:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-09 22:13:23,406 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:23,406 INFO L508 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] [2021-07-09 22:13:23,406 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-09 22:13:23,406 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:23,407 INFO L82 PathProgramCache]: Analyzing trace with hash -119843893, now seen corresponding path program 5 times [2021-07-09 22:13:23,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:23,407 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609858987] [2021-07-09 22:13:23,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:23,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:23,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:23,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:23,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:23,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:23,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:23,503 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.7 percent of original size [2021-07-09 22:13:23,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 22:13:23,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:23,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:23,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 22:13:23,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:23,557 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:23,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:23,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:23,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:23,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:23,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:23,592 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:23,592 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609858987] [2021-07-09 22:13:23,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609858987] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:23,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:23,593 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:13:23,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338142385] [2021-07-09 22:13:23,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:13:23,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:23,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:13:23,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:23,593 INFO L87 Difference]: Start difference. First operand 1835 states and 4314 transitions. Second operand has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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) [2021-07-09 22:13:24,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:24,008 INFO L93 Difference]: Finished difference Result 2605 states and 6368 transitions. [2021-07-09 22:13:24,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 22:13:24,009 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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 [2021-07-09 22:13:24,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:24,011 INFO L225 Difference]: With dead ends: 2605 [2021-07-09 22:13:24,011 INFO L226 Difference]: Without dead ends: 1967 [2021-07-09 22:13:24,012 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 261.5ms TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2021-07-09 22:13:24,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1967 states. [2021-07-09 22:13:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1967 to 1820. [2021-07-09 22:13:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1820 states, 1795 states have (on average 2.3977715877437324) internal successors, (4304), 1819 states have internal predecessors, (4304), 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) [2021-07-09 22:13:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1820 states and 4304 transitions. [2021-07-09 22:13:24,035 INFO L78 Accepts]: Start accepts. Automaton has 1820 states and 4304 transitions. Word has length 76 [2021-07-09 22:13:24,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:24,035 INFO L482 AbstractCegarLoop]: Abstraction has 1820 states and 4304 transitions. [2021-07-09 22:13:24,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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) [2021-07-09 22:13:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 4304 transitions. [2021-07-09 22:13:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-07-09 22:13:24,037 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:24,037 INFO L508 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] [2021-07-09 22:13:24,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-09 22:13:24,037 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:24,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:24,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1140413753, now seen corresponding path program 6 times [2021-07-09 22:13:24,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:24,038 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636747032] [2021-07-09 22:13:24,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:24,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:24,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:24,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:24,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:24,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:24,133 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:24,142 INFO L142 QuantifierPusher]: treesize reduction 48, result has 40.0 percent of original size [2021-07-09 22:13:24,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:24,161 INFO L142 QuantifierPusher]: treesize reduction 38, result has 65.5 percent of original size [2021-07-09 22:13:24,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-09 22:13:24,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:24,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:24,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:24,218 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:24,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:24,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:24,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:24,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:24,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:24,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636747032] [2021-07-09 22:13:24,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636747032] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:24,249 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:24,249 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-07-09 22:13:24,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102446352] [2021-07-09 22:13:24,250 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-09 22:13:24,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:24,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-09 22:13:24,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:24,251 INFO L87 Difference]: Start difference. First operand 1820 states and 4304 transitions. Second operand has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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) [2021-07-09 22:13:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:24,738 INFO L93 Difference]: Finished difference Result 2761 states and 6771 transitions. [2021-07-09 22:13:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 22:13:24,739 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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 [2021-07-09 22:13:24,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:24,742 INFO L225 Difference]: With dead ends: 2761 [2021-07-09 22:13:24,742 INFO L226 Difference]: Without dead ends: 1866 [2021-07-09 22:13:24,742 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 355.8ms TimeCoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2021-07-09 22:13:24,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2021-07-09 22:13:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1649. [2021-07-09 22:13:24,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1624 states have (on average 2.417487684729064) internal successors, (3926), 1648 states have internal predecessors, (3926), 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) [2021-07-09 22:13:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 3926 transitions. [2021-07-09 22:13:24,778 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 3926 transitions. Word has length 76 [2021-07-09 22:13:24,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:24,779 INFO L482 AbstractCegarLoop]: Abstraction has 1649 states and 3926 transitions. [2021-07-09 22:13:24,779 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.066666666666666) internal successors, (76), 15 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) [2021-07-09 22:13:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 3926 transitions. [2021-07-09 22:13:24,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-07-09 22:13:24,781 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:24,781 INFO L508 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] [2021-07-09 22:13:24,781 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-09 22:13:24,781 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:24,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:24,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1096515066, now seen corresponding path program 1 times [2021-07-09 22:13:24,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:24,782 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748697846] [2021-07-09 22:13:24,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:24,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:24,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:24,822 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:13:24,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:13:24,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:24,838 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:13:24,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:24,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:24,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:24,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748697846] [2021-07-09 22:13:24,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748697846] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:24,844 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:24,844 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:13:24,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466273345] [2021-07-09 22:13:24,844 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:13:24,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:24,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:13:24,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:13:24,845 INFO L87 Difference]: Start difference. First operand 1649 states and 3926 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2021-07-09 22:13:24,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:24,913 INFO L93 Difference]: Finished difference Result 1676 states and 3723 transitions. [2021-07-09 22:13:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:13:24,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 77 [2021-07-09 22:13:24,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:24,914 INFO L225 Difference]: With dead ends: 1676 [2021-07-09 22:13:24,914 INFO L226 Difference]: Without dead ends: 1116 [2021-07-09 22:13:24,915 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 56.8ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:13:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-07-09 22:13:24,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-07-09 22:13:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1091 states have (on average 2.3565536205316224) internal successors, (2571), 1115 states have internal predecessors, (2571), 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) [2021-07-09 22:13:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 2571 transitions. [2021-07-09 22:13:24,927 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 2571 transitions. Word has length 77 [2021-07-09 22:13:24,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:24,927 INFO L482 AbstractCegarLoop]: Abstraction has 1116 states and 2571 transitions. [2021-07-09 22:13:24,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2021-07-09 22:13:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2571 transitions. [2021-07-09 22:13:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-07-09 22:13:24,929 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:24,929 INFO L508 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] [2021-07-09 22:13:24,929 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-09 22:13:24,929 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:24,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:24,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1768275331, now seen corresponding path program 1 times [2021-07-09 22:13:24,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:24,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827088445] [2021-07-09 22:13:24,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:24,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:24,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:24,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:24,987 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:13:24,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:13:24,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:24,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:25,004 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:13:25,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:25,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:25,011 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:25,011 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827088445] [2021-07-09 22:13:25,011 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827088445] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:25,011 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:25,011 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:13:25,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727966850] [2021-07-09 22:13:25,012 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:13:25,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:25,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:13:25,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:13:25,012 INFO L87 Difference]: Start difference. First operand 1116 states and 2571 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2021-07-09 22:13:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:25,095 INFO L93 Difference]: Finished difference Result 1065 states and 2326 transitions. [2021-07-09 22:13:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:13:25,095 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 78 [2021-07-09 22:13:25,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:25,096 INFO L225 Difference]: With dead ends: 1065 [2021-07-09 22:13:25,097 INFO L226 Difference]: Without dead ends: 660 [2021-07-09 22:13:25,097 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 71.8ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:13:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2021-07-09 22:13:25,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2021-07-09 22:13:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 639 states have (on average 2.2456964006259783) internal successors, (1435), 659 states have internal predecessors, (1435), 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) [2021-07-09 22:13:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1435 transitions. [2021-07-09 22:13:25,105 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1435 transitions. Word has length 78 [2021-07-09 22:13:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:25,105 INFO L482 AbstractCegarLoop]: Abstraction has 660 states and 1435 transitions. [2021-07-09 22:13:25,105 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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) [2021-07-09 22:13:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1435 transitions. [2021-07-09 22:13:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-07-09 22:13:25,106 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:25,106 INFO L508 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] [2021-07-09 22:13:25,106 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-09 22:13:25,106 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:25,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:25,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1567340414, now seen corresponding path program 1 times [2021-07-09 22:13:25,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:25,107 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605814621] [2021-07-09 22:13:25,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:25,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:25,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:25,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:25,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:25,170 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:13:25,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:13:25,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:25,188 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:13:25,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:25,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:25,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:25,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:25,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605814621] [2021-07-09 22:13:25,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605814621] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:25,196 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:25,196 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 22:13:25,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516498526] [2021-07-09 22:13:25,197 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 22:13:25,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:25,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 22:13:25,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:13:25,197 INFO L87 Difference]: Start difference. First operand 660 states and 1435 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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) [2021-07-09 22:13:25,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:25,296 INFO L93 Difference]: Finished difference Result 480 states and 935 transitions. [2021-07-09 22:13:25,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:13:25,297 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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 80 [2021-07-09 22:13:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:25,297 INFO L225 Difference]: With dead ends: 480 [2021-07-09 22:13:25,297 INFO L226 Difference]: Without dead ends: 297 [2021-07-09 22:13:25,298 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 88.3ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:13:25,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-07-09 22:13:25,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 293. [2021-07-09 22:13:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 284 states have (on average 1.7816901408450705) internal successors, (506), 292 states have internal predecessors, (506), 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) [2021-07-09 22:13:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 506 transitions. [2021-07-09 22:13:25,301 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 506 transitions. Word has length 80 [2021-07-09 22:13:25,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:25,301 INFO L482 AbstractCegarLoop]: Abstraction has 293 states and 506 transitions. [2021-07-09 22:13:25,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 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) [2021-07-09 22:13:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 506 transitions. [2021-07-09 22:13:25,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-09 22:13:25,301 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:25,301 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:25,302 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-07-09 22:13:25,302 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:25,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:25,302 INFO L82 PathProgramCache]: Analyzing trace with hash -339784035, now seen corresponding path program 1 times [2021-07-09 22:13:25,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:25,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794630591] [2021-07-09 22:13:25,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:25,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:25,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:25,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:25,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:25,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:25,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:25,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:25,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 22:13:25,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 22:13:25,480 INFO L142 QuantifierPusher]: treesize reduction 21, result has 74.7 percent of original size [2021-07-09 22:13:25,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-07-09 22:13:25,526 INFO L142 QuantifierPusher]: treesize reduction 41, result has 73.4 percent of original size [2021-07-09 22:13:25,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-07-09 22:13:25,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-09 22:13:25,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:13:25,598 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-09 22:13:25,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-09 22:13:25,610 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-07-09 22:13:25,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:13:25,617 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:25,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:25,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:25,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:25,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:25,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:25,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794630591] [2021-07-09 22:13:25,659 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794630591] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:25,659 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:25,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-07-09 22:13:25,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618910867] [2021-07-09 22:13:25,659 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-09 22:13:25,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:25,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-09 22:13:25,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2021-07-09 22:13:25,660 INFO L87 Difference]: Start difference. First operand 293 states and 506 transitions. Second operand has 19 states, 19 states have (on average 4.315789473684211) internal successors, (82), 19 states have internal predecessors, (82), 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) [2021-07-09 22:13:25,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:25,902 INFO L93 Difference]: Finished difference Result 507 states and 937 transitions. [2021-07-09 22:13:25,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-09 22:13:25,903 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.315789473684211) internal successors, (82), 19 states have internal predecessors, (82), 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 82 [2021-07-09 22:13:25,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:25,903 INFO L225 Difference]: With dead ends: 507 [2021-07-09 22:13:25,903 INFO L226 Difference]: Without dead ends: 294 [2021-07-09 22:13:25,903 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 310.9ms TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2021-07-09 22:13:25,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-07-09 22:13:25,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 288. [2021-07-09 22:13:25,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 279 states have (on average 1.7849462365591398) internal successors, (498), 287 states have internal predecessors, (498), 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) [2021-07-09 22:13:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 498 transitions. [2021-07-09 22:13:25,906 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 498 transitions. Word has length 82 [2021-07-09 22:13:25,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:25,907 INFO L482 AbstractCegarLoop]: Abstraction has 288 states and 498 transitions. [2021-07-09 22:13:25,907 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 4.315789473684211) internal successors, (82), 19 states have internal predecessors, (82), 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) [2021-07-09 22:13:25,907 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 498 transitions. [2021-07-09 22:13:25,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-09 22:13:25,907 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:25,907 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:25,907 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-07-09 22:13:25,908 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:25,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:25,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1577598371, now seen corresponding path program 2 times [2021-07-09 22:13:25,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:25,908 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434691257] [2021-07-09 22:13:25,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:25,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:25,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:25,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:25,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:25,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:25,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:26,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:26,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:26,025 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-07-09 22:13:26,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 22:13:26,043 INFO L142 QuantifierPusher]: treesize reduction 11, result has 71.8 percent of original size [2021-07-09 22:13:26,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 22:13:26,050 INFO L142 QuantifierPusher]: treesize reduction 25, result has 62.1 percent of original size [2021-07-09 22:13:26,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 22:13:26,069 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-07-09 22:13:26,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 22:13:26,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:26,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:26,111 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:26,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:26,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:26,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:26,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:26,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:26,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434691257] [2021-07-09 22:13:26,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434691257] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:26,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:26,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-07-09 22:13:26,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281632569] [2021-07-09 22:13:26,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 22:13:26,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:26,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 22:13:26,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2021-07-09 22:13:26,154 INFO L87 Difference]: Start difference. First operand 288 states and 498 transitions. Second operand has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 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) [2021-07-09 22:13:26,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:26,420 INFO L93 Difference]: Finished difference Result 484 states and 905 transitions. [2021-07-09 22:13:26,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:26,420 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 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 82 [2021-07-09 22:13:26,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:26,421 INFO L225 Difference]: With dead ends: 484 [2021-07-09 22:13:26,421 INFO L226 Difference]: Without dead ends: 279 [2021-07-09 22:13:26,421 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 251.0ms TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2021-07-09 22:13:26,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-07-09 22:13:26,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 272. [2021-07-09 22:13:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 263 states have (on average 1.8098859315589353) internal successors, (476), 271 states have internal predecessors, (476), 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) [2021-07-09 22:13:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 476 transitions. [2021-07-09 22:13:26,424 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 476 transitions. Word has length 82 [2021-07-09 22:13:26,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:26,424 INFO L482 AbstractCegarLoop]: Abstraction has 272 states and 476 transitions. [2021-07-09 22:13:26,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 5.125) internal successors, (82), 16 states have internal predecessors, (82), 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) [2021-07-09 22:13:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 476 transitions. [2021-07-09 22:13:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-09 22:13:26,425 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:26,425 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:26,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-07-09 22:13:26,425 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:26,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:26,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1581935739, now seen corresponding path program 3 times [2021-07-09 22:13:26,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:26,425 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648096684] [2021-07-09 22:13:26,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:26,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:26,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:26,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:26,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-07-09 22:13:26,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 22:13:26,510 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-07-09 22:13:26,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 22:13:26,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:26,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:13:26,552 INFO L142 QuantifierPusher]: treesize reduction 26, result has 58.1 percent of original size [2021-07-09 22:13:26,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 22:13:26,569 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:26,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:26,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:26,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:26,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:26,604 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:26,604 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648096684] [2021-07-09 22:13:26,604 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648096684] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:26,604 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:26,604 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-09 22:13:26,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268519058] [2021-07-09 22:13:26,605 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 22:13:26,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:26,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 22:13:26,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-09 22:13:26,605 INFO L87 Difference]: Start difference. First operand 272 states and 476 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2021-07-09 22:13:26,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:26,838 INFO L93 Difference]: Finished difference Result 402 states and 738 transitions. [2021-07-09 22:13:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:13:26,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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 82 [2021-07-09 22:13:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:26,839 INFO L225 Difference]: With dead ends: 402 [2021-07-09 22:13:26,839 INFO L226 Difference]: Without dead ends: 267 [2021-07-09 22:13:26,839 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 181.8ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-07-09 22:13:26,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2021-07-09 22:13:26,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2021-07-09 22:13:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 258 states have (on average 1.813953488372093) internal successors, (468), 266 states have internal predecessors, (468), 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) [2021-07-09 22:13:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 468 transitions. [2021-07-09 22:13:26,842 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 468 transitions. Word has length 82 [2021-07-09 22:13:26,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:26,842 INFO L482 AbstractCegarLoop]: Abstraction has 267 states and 468 transitions. [2021-07-09 22:13:26,842 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2021-07-09 22:13:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 468 transitions. [2021-07-09 22:13:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-09 22:13:26,843 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:26,843 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:26,843 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-07-09 22:13:26,843 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:26,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:26,843 INFO L82 PathProgramCache]: Analyzing trace with hash -2044778121, now seen corresponding path program 4 times [2021-07-09 22:13:26,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:26,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86102207] [2021-07-09 22:13:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:13:26,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:26,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:13:26,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:13:26,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 22:13:26,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 22:13:26,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 22:13:26,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:26,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:26,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:13:26,987 INFO L142 QuantifierPusher]: treesize reduction 26, result has 62.9 percent of original size [2021-07-09 22:13:26,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 22:13:27,014 INFO L142 QuantifierPusher]: treesize reduction 63, result has 53.3 percent of original size [2021-07-09 22:13:27,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-07-09 22:13:27,056 INFO L142 QuantifierPusher]: treesize reduction 29, result has 51.7 percent of original size [2021-07-09 22:13:27,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:13:27,077 INFO L142 QuantifierPusher]: treesize reduction 170, result has 40.6 percent of original size [2021-07-09 22:13:27,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-07-09 22:13:27,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-07-09 22:13:27,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-09 22:13:27,128 INFO L142 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-07-09 22:13:27,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 22:13:27,134 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:13:27,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:13:27,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:27,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:27,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:27,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:13:27,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:13:27,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:13:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-09 22:13:27,172 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:13:27,172 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86102207] [2021-07-09 22:13:27,172 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86102207] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:13:27,172 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:13:27,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-07-09 22:13:27,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594608308] [2021-07-09 22:13:27,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-09 22:13:27,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:13:27,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-09 22:13:27,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-07-09 22:13:27,173 INFO L87 Difference]: Start difference. First operand 267 states and 468 transitions. Second operand has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 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) [2021-07-09 22:13:27,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:13:27,463 INFO L93 Difference]: Finished difference Result 382 states and 711 transitions. [2021-07-09 22:13:27,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 22:13:27,463 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 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 82 [2021-07-09 22:13:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:13:27,464 INFO L225 Difference]: With dead ends: 382 [2021-07-09 22:13:27,464 INFO L226 Difference]: Without dead ends: 249 [2021-07-09 22:13:27,464 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 357.2ms TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2021-07-09 22:13:27,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2021-07-09 22:13:27,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2021-07-09 22:13:27,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 240 states have (on average 1.85) internal successors, (444), 248 states have internal predecessors, (444), 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) [2021-07-09 22:13:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 444 transitions. [2021-07-09 22:13:27,467 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 444 transitions. Word has length 82 [2021-07-09 22:13:27,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:13:27,467 INFO L482 AbstractCegarLoop]: Abstraction has 249 states and 444 transitions. [2021-07-09 22:13:27,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 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) [2021-07-09 22:13:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 444 transitions. [2021-07-09 22:13:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-07-09 22:13:27,467 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:13:27,467 INFO L508 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:13:27,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-07-09 22:13:27,468 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:13:27,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:13:27,468 INFO L82 PathProgramCache]: Analyzing trace with hash -268837141, now seen corresponding path program 5 times [2021-07-09 22:13:27,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:13:27,468 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634894204] [2021-07-09 22:13:27,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:13:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:13:27,528 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:13:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:13:27,573 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:13:27,602 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-09 22:13:27,602 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-09 22:13:27,602 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-07-09 22:13:27,602 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2021-07-09 22:13:27,603 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:13:27,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:13:27 BasicIcfg [2021-07-09 22:13:27,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:13:27,711 INFO L168 Benchmark]: Toolchain (without parser) took 19503.62 ms. Allocated memory was 216.0 MB in the beginning and 775.9 MB in the end (delta: 559.9 MB). Free memory was 177.5 MB in the beginning and 247.8 MB in the end (delta: -70.3 MB). Peak memory consumption was 490.7 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:27,711 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 216.0 MB. Free memory was 196.0 MB in the beginning and 195.9 MB in the end (delta: 79.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:13:27,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.70 ms. Allocated memory is still 216.0 MB. Free memory was 177.3 MB in the beginning and 181.6 MB in the end (delta: -4.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:27,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.15 ms. Allocated memory is still 216.0 MB. Free memory was 181.3 MB in the beginning and 178.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:27,711 INFO L168 Benchmark]: Boogie Preprocessor took 45.42 ms. Allocated memory is still 216.0 MB. Free memory was 178.5 MB in the beginning and 175.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:27,711 INFO L168 Benchmark]: RCFGBuilder took 2245.57 ms. Allocated memory was 216.0 MB in the beginning and 264.2 MB in the end (delta: 48.2 MB). Free memory was 175.4 MB in the beginning and 119.3 MB in the end (delta: 56.0 MB). Peak memory consumption was 110.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:27,711 INFO L168 Benchmark]: TraceAbstraction took 16702.79 ms. Allocated memory was 264.2 MB in the beginning and 775.9 MB in the end (delta: 511.7 MB). Free memory was 118.8 MB in the beginning and 247.8 MB in the end (delta: -129.0 MB). Peak memory consumption was 383.3 MB. Max. memory is 8.0 GB. [2021-07-09 22:13:27,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 216.0 MB. Free memory was 196.0 MB in the beginning and 195.9 MB in the end (delta: 79.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 450.70 ms. Allocated memory is still 216.0 MB. Free memory was 177.3 MB in the beginning and 181.6 MB in the end (delta: -4.3 MB). Peak memory consumption was 14.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 55.15 ms. Allocated memory is still 216.0 MB. Free memory was 181.3 MB in the beginning and 178.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 45.42 ms. Allocated memory is still 216.0 MB. Free memory was 178.5 MB in the beginning and 175.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2245.57 ms. Allocated memory was 216.0 MB in the beginning and 264.2 MB in the end (delta: 48.2 MB). Free memory was 175.4 MB in the beginning and 119.3 MB in the end (delta: 56.0 MB). Peak memory consumption was 110.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16702.79 ms. Allocated memory was 264.2 MB in the beginning and 775.9 MB in the end (delta: 511.7 MB). Free memory was 118.8 MB in the beginning and 247.8 MB in the end (delta: -129.0 MB). Peak memory consumption was 383.3 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: 21885, positive: 20045, positive conditional: 20045, positive unconditional: 0, negative: 1840, negative conditional: 1840, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21318, positive: 20045, positive conditional: 0, positive unconditional: 20045, negative: 1273, negative conditional: 0, negative unconditional: 1273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 777, positive: 745, positive conditional: 0, positive unconditional: 745, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 777, positive: 744, positive conditional: 0, positive unconditional: 744, negative: 33, negative conditional: 0, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 33, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 457, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 455, negative conditional: 0, negative unconditional: 455, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21318, positive: 19300, positive conditional: 0, positive unconditional: 19300, negative: 1241, negative conditional: 0, negative unconditional: 1241, unknown: 777, unknown conditional: 0, unknown unconditional: 777] , Statistics on independence cache: Total cache size (in pairs): 777, Positive cache size: 745, Positive conditional cache size: 0, Positive unconditional cache size: 745, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Independence queries for same thread: 567 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37316, positive: 33032, positive conditional: 33032, positive unconditional: 0, negative: 4284, negative conditional: 4284, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 36175, positive: 33032, positive conditional: 0, positive unconditional: 33032, negative: 3143, negative conditional: 0, negative unconditional: 3143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 841, positive: 785, positive conditional: 0, positive unconditional: 785, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 841, positive: 781, positive conditional: 0, positive unconditional: 781, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 742, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 738, negative conditional: 0, negative unconditional: 738, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36175, positive: 32247, positive conditional: 0, positive unconditional: 32247, negative: 3087, negative conditional: 0, negative unconditional: 3087, unknown: 841, unknown conditional: 0, unknown unconditional: 841] , Statistics on independence cache: Total cache size (in pairs): 841, Positive cache size: 785, Positive conditional cache size: 0, Positive unconditional cache size: 785, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Independence queries for same thread: 1141 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L715] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L716] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L718] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L720] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L721] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L722] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L723] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L724] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0] [L725] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0] [L726] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L727] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L728] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L729] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0] [L730] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L731] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L732] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L733] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L734] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L736] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L737] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L738] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L849] 0 pthread_t t2540; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L850] FCALL, FORK 0 pthread_create(&t2540, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L851] 0 pthread_t t2541; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L852] FCALL, FORK 0 pthread_create(&t2541, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L853] 0 pthread_t t2542; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L854] FCALL, FORK 0 pthread_create(&t2542, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L812] 3 x$w_buff1 = x$w_buff0 [L813] 3 x$w_buff0 = 2 [L814] 3 x$w_buff1_used = x$w_buff0_used [L815] 3 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 3 !(!expression) [L817] 3 x$r_buff1_thd0 = x$r_buff0_thd0 [L818] 3 x$r_buff1_thd1 = x$r_buff0_thd1 [L819] 3 x$r_buff1_thd2 = x$r_buff0_thd2 [L820] 3 x$r_buff1_thd3 = x$r_buff0_thd3 [L821] 3 x$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L824] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L742] 1 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L747] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L748] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L749] 1 x$flush_delayed = weak$$choice2 [L750] 1 x$mem_tmp = x [L751] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0) [L752] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L753] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used) [L754] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L755] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L756] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L757] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 __unbuffered_p0_EAX = x [L759] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L759] 1 x = x$flush_delayed ? x$mem_tmp : x [L760] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L775] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L775] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L776] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L776] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L777] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L777] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L778] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L778] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L779] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L779] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L782] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L783] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L784] 2 x$flush_delayed = weak$$choice2 [L785] 2 x$mem_tmp = x [L786] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L786] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L787] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L788] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L789] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L790] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2) [L791] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L792] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L793] 2 __unbuffered_p1_EAX = x [L794] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L794] 2 x = x$flush_delayed ? x$mem_tmp : x [L795] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L798] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L799] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L800] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L801] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L802] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L802] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L805] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L827] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L827] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L828] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L828] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L829] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L829] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L830] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L830] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L831] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L831] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L834] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L856] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L4] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=1, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L860] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L860] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L861] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L861] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L862] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L862] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L863] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L863] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L864] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L864] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L867] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L868] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L869] 0 x$flush_delayed = weak$$choice2 [L870] 0 x$mem_tmp = x [L871] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L871] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L872] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0) [L872] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L872] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L873] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L873] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L873] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L874] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L874] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L874] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L875] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L875] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0) [L876] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L876] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L877] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L877] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1) [L879] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L879] 0 x = x$flush_delayed ? x$mem_tmp : x [L880] 0 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L19] COND TRUE 0 !expression VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L19] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 133 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1109.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 24.8ms, AutomataDifference: 91.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 771.5ms, PartialOrderReductionTime: 760.4ms, HoareTripleCheckerStatistics: 87 SDtfs, 33 SDslu, 26 SDs, 0 SdLazy, 6 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=5632occurred 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: 7.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.7ms SsaConstructionTime, 29.1ms SatisfiabilityAnalysisTime, 108.0ms InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 133 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15321.0ms, OverallIterations: 24, TraceHistogramMax: 1, EmptinessCheckTime: 97.1ms, AutomataDifference: 7978.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1043.9ms, PartialOrderReductionTime: 1042.5ms, HoareTripleCheckerStatistics: 2881 SDtfs, 5642 SDslu, 15762 SDs, 0 SdLazy, 3765 SolverSat, 908 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3362.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 459 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 412 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1540 ImplicationChecksByTransitivity, 5952.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9601occurred in iteration=0, InterpolantAutomatonStates: 314, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 875.5ms AutomataMinimizationTime, 23 MinimizatonAttempts, 4096 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 57.5ms SsaConstructionTime, 874.1ms SatisfiabilityAnalysisTime, 4160.0ms InterpolantComputationTime, 1832 NumberOfCodeBlocks, 1832 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1727 ConstructedInterpolants, 0 QuantifiedInterpolants, 14471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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...