/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/mix040_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 22:04:19,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 22:04:19,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 22:04:19,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 22:04:19,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 22:04:19,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 22:04:19,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 22:04:19,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 22:04:19,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 22:04:19,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 22:04:19,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 22:04:19,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 22:04:19,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 22:04:19,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 22:04:19,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 22:04:19,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 22:04:19,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 22:04:19,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 22:04:19,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 22:04:19,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 22:04:19,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 22:04:19,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 22:04:19,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 22:04:19,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 22:04:19,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 22:04:19,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 22:04:19,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 22:04:19,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 22:04:19,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 22:04:19,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 22:04:19,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 22:04:19,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 22:04:19,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 22:04:19,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 22:04:19,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 22:04:19,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 22:04:19,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 22:04:19,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 22:04:19,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 22:04:19,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 22:04:19,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 22:04:19,646 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 22:04:19,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 22:04:19,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 22:04:19,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 22:04:19,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 22:04:19,689 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 22:04:19,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 22:04:19,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 22:04:19,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 22:04:19,690 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 22:04:19,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 22:04:19,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 22:04:19,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 22:04:19,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 22:04:19,691 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 22:04:19,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 22:04:19,692 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 22:04:19,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 22:04:19,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 22:04:19,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 22:04:19,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 22:04:19,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 22:04:19,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 22:04:19,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 22:04:19,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 22:04:19,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 22:04:19,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 22:04:19,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 22:04:19,694 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 22:04:19,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 22:04:19,694 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 22:04:19,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 22:04:19,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 22:04:20,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 22:04:20,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 22:04:20,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 22:04:20,013 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 22:04:20,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i [2021-07-09 22:04:20,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278cb8a87/9bc288667b38422b9df65d65846aebc7/FLAGd14c8f4ce [2021-07-09 22:04:20,601 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 22:04:20,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix040_tso.opt.i [2021-07-09 22:04:20,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278cb8a87/9bc288667b38422b9df65d65846aebc7/FLAGd14c8f4ce [2021-07-09 22:04:20,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/278cb8a87/9bc288667b38422b9df65d65846aebc7 [2021-07-09 22:04:20,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 22:04:20,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 22:04:20,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 22:04:20,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 22:04:20,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 22:04:20,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:04:20" (1/1) ... [2021-07-09 22:04:20,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34faa05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:20, skipping insertion in model container [2021-07-09 22:04:20,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 10:04:20" (1/1) ... [2021-07-09 22:04:20,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 22:04:21,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 22:04:21,208 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/mix040_tso.opt.i[948,961] [2021-07-09 22:04:21,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:04:21,394 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 22:04:21,403 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/mix040_tso.opt.i[948,961] [2021-07-09 22:04:21,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 22:04:21,489 INFO L208 MainTranslator]: Completed translation [2021-07-09 22:04:21,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21 WrapperNode [2021-07-09 22:04:21,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 22:04:21,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 22:04:21,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 22:04:21,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 22:04:21,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 22:04:21,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 22:04:21,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 22:04:21,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 22:04:21,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (1/1) ... [2021-07-09 22:04:21,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 22:04:21,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 22:04:21,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 22:04:21,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 22:04:21,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (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 22:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 22:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-09 22:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 22:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 22:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-09 22:04:21,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-09 22:04:21,647 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-09 22:04:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-09 22:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-09 22:04:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-09 22:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-07-09 22:04:21,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-07-09 22:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 22:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-09 22:04:21,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 22:04:21,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 22:04:21,650 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 22:04:23,116 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 22:04:23,117 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-07-09 22:04:23,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:04:23 BoogieIcfgContainer [2021-07-09 22:04:23,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 22:04:23,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 22:04:23,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 22:04:23,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 22:04:23,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 10:04:20" (1/3) ... [2021-07-09 22:04:23,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eeb3bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:04:23, skipping insertion in model container [2021-07-09 22:04:23,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 10:04:21" (2/3) ... [2021-07-09 22:04:23,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eeb3bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 10:04:23, skipping insertion in model container [2021-07-09 22:04:23,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 10:04:23" (3/3) ... [2021-07-09 22:04:23,125 INFO L111 eAbstractionObserver]: Analyzing ICFG mix040_tso.opt.i [2021-07-09 22:04:23,130 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 22:04:23,130 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 22:04:23,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-09 22:04:23,131 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 22:04:23,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,159 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,159 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,160 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,160 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,160 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,161 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,161 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,161 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,163 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,166 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,170 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,171 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,173 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,176 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,176 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,176 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,176 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,177 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,178 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,178 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,179 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,180 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,181 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,185 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,187 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,187 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,187 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,188 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,189 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,191 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,191 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 22:04:23,192 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-09 22:04:23,210 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-07-09 22:04:23,225 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 22:04:23,225 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 22:04:23,225 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 22:04:23,225 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 22:04:23,225 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 22:04:23,225 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 22:04:23,225 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 22:04:23,225 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 22:04:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 63206 states, 56131 states have (on average 2.2122891094047854) internal successors, (124178), 63205 states have internal predecessors, (124178), 0 states have call successors, (0), 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 22:04:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-07-09 22:04:27,673 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:27,673 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 22:04:27,674 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:27,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:27,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1592319046, now seen corresponding path program 1 times [2021-07-09 22:04:27,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:27,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887405367] [2021-07-09 22:04:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:28,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:28,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:28,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:28,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:28,191 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-07-09 22:04:28,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:04:28,229 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:04:28,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:04:28,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:28,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:28,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:28,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:28,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:28,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:28,282 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 22:04:28,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:28,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887405367] [2021-07-09 22:04:28,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887405367] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:28,284 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:28,284 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:04:28,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202951968] [2021-07-09 22:04:28,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:04:28,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:28,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:04:28,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:04:28,432 INFO L87 Difference]: Start difference. First operand has 63206 states, 56131 states have (on average 2.2122891094047854) internal successors, (124178), 63205 states have internal predecessors, (124178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 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 22:04:29,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:29,668 INFO L93 Difference]: Finished difference Result 94608 states and 201090 transitions. [2021-07-09 22:04:29,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:04:29,670 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 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 22:04:29,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:29,924 INFO L225 Difference]: With dead ends: 94608 [2021-07-09 22:04:29,924 INFO L226 Difference]: Without dead ends: 36370 [2021-07-09 22:04:29,925 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 217.8ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:04:30,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36370 states. [2021-07-09 22:04:31,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36370 to 29090. [2021-07-09 22:04:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29090 states, 28747 states have (on average 2.3238598810310642) internal successors, (66804), 29089 states have internal predecessors, (66804), 0 states have call successors, (0), 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 22:04:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29090 states to 29090 states and 66804 transitions. [2021-07-09 22:04:31,445 INFO L78 Accepts]: Start accepts. Automaton has 29090 states and 66804 transitions. Word has length 80 [2021-07-09 22:04:31,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:31,447 INFO L482 AbstractCegarLoop]: Abstraction has 29090 states and 66804 transitions. [2021-07-09 22:04:31,447 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 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 22:04:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 29090 states and 66804 transitions. [2021-07-09 22:04:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-07-09 22:04:31,479 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:31,479 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, 1, 1] [2021-07-09 22:04:31,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 22:04:31,480 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:31,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:31,481 INFO L82 PathProgramCache]: Analyzing trace with hash -744934807, now seen corresponding path program 1 times [2021-07-09 22:04:31,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:31,481 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429154796] [2021-07-09 22:04:31,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:31,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:31,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:31,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:31,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:31,763 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-07-09 22:04:31,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:04:31,776 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:04:31,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:04:31,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:31,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:31,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:31,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:31,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:31,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:31,810 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 22:04:31,810 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:31,810 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429154796] [2021-07-09 22:04:31,811 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429154796] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:31,811 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:31,811 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:04:31,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027898757] [2021-07-09 22:04:31,812 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:04:31,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:31,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:04:31,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:04:31,813 INFO L87 Difference]: Start difference. First operand 29090 states and 66804 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 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 22:04:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:32,493 INFO L93 Difference]: Finished difference Result 44510 states and 120054 transitions. [2021-07-09 22:04:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:04:32,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2021-07-09 22:04:32,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:32,627 INFO L225 Difference]: With dead ends: 44510 [2021-07-09 22:04:32,627 INFO L226 Difference]: Without dead ends: 33192 [2021-07-09 22:04:32,628 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 170.7ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:04:32,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33192 states. [2021-07-09 22:04:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33192 to 26360. [2021-07-09 22:04:33,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26360 states, 26059 states have (on average 2.3347020223339343) internal successors, (60840), 26359 states have internal predecessors, (60840), 0 states have call successors, (0), 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 22:04:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26360 states to 26360 states and 60840 transitions. [2021-07-09 22:04:33,584 INFO L78 Accepts]: Start accepts. Automaton has 26360 states and 60840 transitions. Word has length 84 [2021-07-09 22:04:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:33,584 INFO L482 AbstractCegarLoop]: Abstraction has 26360 states and 60840 transitions. [2021-07-09 22:04:33,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 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 22:04:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 26360 states and 60840 transitions. [2021-07-09 22:04:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-07-09 22:04:33,622 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:33,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:33,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 22:04:33,623 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:33,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:33,624 INFO L82 PathProgramCache]: Analyzing trace with hash -202576406, now seen corresponding path program 1 times [2021-07-09 22:04:33,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:33,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754749071] [2021-07-09 22:04:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:33,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:33,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:33,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:33,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:33,751 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:04:33,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:04:33,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:33,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:33,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:33,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:33,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:33,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:33,787 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 22:04:33,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:33,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754749071] [2021-07-09 22:04:33,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754749071] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:33,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:33,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:04:33,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662913731] [2021-07-09 22:04:33,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:04:33,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:33,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:04:33,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:04:33,793 INFO L87 Difference]: Start difference. First operand 26360 states and 60840 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 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 22:04:34,050 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-07-09 22:04:34,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:34,250 INFO L93 Difference]: Finished difference Result 30396 states and 75560 transitions. [2021-07-09 22:04:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:04:34,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2021-07-09 22:04:34,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:34,357 INFO L225 Difference]: With dead ends: 30396 [2021-07-09 22:04:34,357 INFO L226 Difference]: Without dead ends: 24362 [2021-07-09 22:04:34,357 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 272.1ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:04:34,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24362 states. [2021-07-09 22:04:34,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24362 to 24306. [2021-07-09 22:04:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24306 states, 24035 states have (on average 2.3419180361972125) internal successors, (56288), 24305 states have internal predecessors, (56288), 0 states have call successors, (0), 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 22:04:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24306 states to 24306 states and 56288 transitions. [2021-07-09 22:04:35,044 INFO L78 Accepts]: Start accepts. Automaton has 24306 states and 56288 transitions. Word has length 86 [2021-07-09 22:04:35,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:35,045 INFO L482 AbstractCegarLoop]: Abstraction has 24306 states and 56288 transitions. [2021-07-09 22:04:35,045 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 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 22:04:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 24306 states and 56288 transitions. [2021-07-09 22:04:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-07-09 22:04:35,069 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:35,069 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, 1, 1, 1, 1, 1] [2021-07-09 22:04:35,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 22:04:35,069 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:35,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:35,070 INFO L82 PathProgramCache]: Analyzing trace with hash -69090096, now seen corresponding path program 1 times [2021-07-09 22:04:35,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:35,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735805388] [2021-07-09 22:04:35,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:35,118 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:35,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:35,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:35,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:35,122 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-07-09 22:04:35,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:04:35,133 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:04:35,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:04:35,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:35,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:35,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:35,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:35,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:35,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:35,167 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 22:04:35,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:35,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735805388] [2021-07-09 22:04:35,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735805388] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:35,168 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:35,168 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:04:35,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282985335] [2021-07-09 22:04:35,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:04:35,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:35,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:04:35,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:04:35,169 INFO L87 Difference]: Start difference. First operand 24306 states and 56288 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 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 22:04:35,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:35,745 INFO L93 Difference]: Finished difference Result 44118 states and 114917 transitions. [2021-07-09 22:04:35,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:04:35,746 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 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 87 [2021-07-09 22:04:35,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:35,874 INFO L225 Difference]: With dead ends: 44118 [2021-07-09 22:04:35,874 INFO L226 Difference]: Without dead ends: 27382 [2021-07-09 22:04:35,875 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 167.1ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:04:36,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27382 states. [2021-07-09 22:04:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27382 to 20834. [2021-07-09 22:04:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20834 states, 20619 states have (on average 2.324991512682477) internal successors, (47939), 20833 states have internal predecessors, (47939), 0 states have call successors, (0), 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 22:04:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20834 states to 20834 states and 47939 transitions. [2021-07-09 22:04:36,609 INFO L78 Accepts]: Start accepts. Automaton has 20834 states and 47939 transitions. Word has length 87 [2021-07-09 22:04:36,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:36,609 INFO L482 AbstractCegarLoop]: Abstraction has 20834 states and 47939 transitions. [2021-07-09 22:04:36,610 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 0 states have call successors, (0), 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 22:04:36,610 INFO L276 IsEmpty]: Start isEmpty. Operand 20834 states and 47939 transitions. [2021-07-09 22:04:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-07-09 22:04:36,634 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:36,635 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, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:36,635 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 22:04:36,635 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:36,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:36,635 INFO L82 PathProgramCache]: Analyzing trace with hash -104473109, now seen corresponding path program 1 times [2021-07-09 22:04:36,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:36,636 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447621431] [2021-07-09 22:04:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:36,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:36,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:36,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:36,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:36,697 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:04:36,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:04:36,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:36,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:04:36,720 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:04:36,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:36,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:36,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:36,730 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 22:04:36,730 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:36,730 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447621431] [2021-07-09 22:04:36,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447621431] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:36,731 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:36,731 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-09 22:04:36,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752135359] [2021-07-09 22:04:36,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-09 22:04:36,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:36,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-09 22:04:36,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-09 22:04:36,732 INFO L87 Difference]: Start difference. First operand 20834 states and 47939 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 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 22:04:37,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:37,093 INFO L93 Difference]: Finished difference Result 27586 states and 59189 transitions. [2021-07-09 22:04:37,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:04:37,093 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2021-07-09 22:04:37,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:37,172 INFO L225 Difference]: With dead ends: 27586 [2021-07-09 22:04:37,172 INFO L226 Difference]: Without dead ends: 18914 [2021-07-09 22:04:37,172 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 88.4ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-07-09 22:04:37,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18914 states. [2021-07-09 22:04:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18914 to 18914. [2021-07-09 22:04:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18914 states, 18699 states have (on average 2.3442430076474676) internal successors, (43835), 18913 states have internal predecessors, (43835), 0 states have call successors, (0), 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 22:04:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18914 states to 18914 states and 43835 transitions. [2021-07-09 22:04:37,698 INFO L78 Accepts]: Start accepts. Automaton has 18914 states and 43835 transitions. Word has length 88 [2021-07-09 22:04:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:37,699 INFO L482 AbstractCegarLoop]: Abstraction has 18914 states and 43835 transitions. [2021-07-09 22:04:37,699 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 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 22:04:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 18914 states and 43835 transitions. [2021-07-09 22:04:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-07-09 22:04:37,718 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:37,718 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:37,718 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 22:04:37,719 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:37,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:37,719 INFO L82 PathProgramCache]: Analyzing trace with hash 297952774, now seen corresponding path program 1 times [2021-07-09 22:04:37,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:37,719 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356920667] [2021-07-09 22:04:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:37,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:37,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:37,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:37,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:37,778 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-07-09 22:04:37,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:04:37,789 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:04:37,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:04:37,805 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:37,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:37,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:37,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:37,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:37,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:37,823 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 22:04:37,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:37,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356920667] [2021-07-09 22:04:37,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356920667] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:37,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:37,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:04:37,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697246264] [2021-07-09 22:04:37,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:04:37,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:37,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:04:37,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:04:37,825 INFO L87 Difference]: Start difference. First operand 18914 states and 43835 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:04:38,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:38,175 INFO L93 Difference]: Finished difference Result 34452 states and 89931 transitions. [2021-07-09 22:04:38,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 22:04:38,176 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-07-09 22:04:38,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:38,259 INFO L225 Difference]: With dead ends: 34452 [2021-07-09 22:04:38,260 INFO L226 Difference]: Without dead ends: 21340 [2021-07-09 22:04:38,260 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 157.4ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:04:38,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21340 states. [2021-07-09 22:04:38,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21340 to 15730. [2021-07-09 22:04:38,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15730 states, 15555 states have (on average 2.3171327547412406) internal successors, (36043), 15729 states have internal predecessors, (36043), 0 states have call successors, (0), 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 22:04:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15730 states to 15730 states and 36043 transitions. [2021-07-09 22:04:38,736 INFO L78 Accepts]: Start accepts. Automaton has 15730 states and 36043 transitions. Word has length 90 [2021-07-09 22:04:38,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:38,736 INFO L482 AbstractCegarLoop]: Abstraction has 15730 states and 36043 transitions. [2021-07-09 22:04:38,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:04:38,736 INFO L276 IsEmpty]: Start isEmpty. Operand 15730 states and 36043 transitions. [2021-07-09 22:04:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-07-09 22:04:38,752 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:38,752 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:38,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 22:04:38,753 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:38,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:38,753 INFO L82 PathProgramCache]: Analyzing trace with hash -324090486, now seen corresponding path program 1 times [2021-07-09 22:04:38,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:38,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25636876] [2021-07-09 22:04:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:38,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:38,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:38,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:38,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:38,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:38,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:38,831 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:04:38,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:04:38,848 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:38,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:04:38,855 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:04:38,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:38,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:38,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:38,867 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 22:04:38,867 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:38,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25636876] [2021-07-09 22:04:38,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25636876] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:38,868 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:38,868 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-09 22:04:38,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480903768] [2021-07-09 22:04:38,869 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-09 22:04:38,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:38,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-09 22:04:38,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-09 22:04:38,871 INFO L87 Difference]: Start difference. First operand 15730 states and 36043 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:04:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:39,171 INFO L93 Difference]: Finished difference Result 17136 states and 36075 transitions. [2021-07-09 22:04:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:04:39,172 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-07-09 22:04:39,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:39,197 INFO L225 Difference]: With dead ends: 17136 [2021-07-09 22:04:39,197 INFO L226 Difference]: Without dead ends: 10720 [2021-07-09 22:04:39,197 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 97.3ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:04:39,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10720 states. [2021-07-09 22:04:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10720 to 10720. [2021-07-09 22:04:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10720 states, 10561 states have (on average 2.3328283306505067) internal successors, (24637), 10719 states have internal predecessors, (24637), 0 states have call successors, (0), 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 22:04:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10720 states to 10720 states and 24637 transitions. [2021-07-09 22:04:39,436 INFO L78 Accepts]: Start accepts. Automaton has 10720 states and 24637 transitions. Word has length 90 [2021-07-09 22:04:39,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:39,436 INFO L482 AbstractCegarLoop]: Abstraction has 10720 states and 24637 transitions. [2021-07-09 22:04:39,436 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 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 22:04:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 10720 states and 24637 transitions. [2021-07-09 22:04:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-07-09 22:04:39,448 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:39,448 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:39,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 22:04:39,449 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:39,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:39,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1567731991, now seen corresponding path program 1 times [2021-07-09 22:04:39,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:39,449 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077191257] [2021-07-09 22:04:39,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:39,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:39,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:39,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:39,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:39,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:39,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:39,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:39,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:39,565 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:04:39,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:04:39,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:39,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:04:39,591 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:04:39,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:39,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:39,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:39,602 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 22:04:39,602 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:39,602 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077191257] [2021-07-09 22:04:39,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077191257] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:39,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:39,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 22:04:39,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610876334] [2021-07-09 22:04:39,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 22:04:39,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:39,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 22:04:39,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:04:39,604 INFO L87 Difference]: Start difference. First operand 10720 states and 24637 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 22:04:39,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:39,797 INFO L93 Difference]: Finished difference Result 8734 states and 17866 transitions. [2021-07-09 22:04:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-09 22:04:39,798 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2021-07-09 22:04:39,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:39,808 INFO L225 Difference]: With dead ends: 8734 [2021-07-09 22:04:39,808 INFO L226 Difference]: Without dead ends: 4578 [2021-07-09 22:04:39,809 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 123.5ms TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2021-07-09 22:04:39,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4578 states. [2021-07-09 22:04:39,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4578 to 4578. [2021-07-09 22:04:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4578 states, 4479 states have (on average 2.248046438937263) internal successors, (10069), 4577 states have internal predecessors, (10069), 0 states have call successors, (0), 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 22:04:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4578 states to 4578 states and 10069 transitions. [2021-07-09 22:04:39,895 INFO L78 Accepts]: Start accepts. Automaton has 4578 states and 10069 transitions. Word has length 92 [2021-07-09 22:04:39,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:39,896 INFO L482 AbstractCegarLoop]: Abstraction has 4578 states and 10069 transitions. [2021-07-09 22:04:39,896 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 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 22:04:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 4578 states and 10069 transitions. [2021-07-09 22:04:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-07-09 22:04:40,030 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:40,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:40,030 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 22:04:40,030 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:40,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:40,030 INFO L82 PathProgramCache]: Analyzing trace with hash -972795071, now seen corresponding path program 1 times [2021-07-09 22:04:40,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:40,031 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524986222] [2021-07-09 22:04:40,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:40,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:40,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,180 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.8 percent of original size [2021-07-09 22:04:40,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 22:04:40,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 22:04:40,209 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-07-09 22:04:40,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:40,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:40,220 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 22:04:40,220 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:40,220 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524986222] [2021-07-09 22:04:40,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524986222] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:40,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:40,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-09 22:04:40,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728113662] [2021-07-09 22:04:40,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 22:04:40,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:40,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 22:04:40,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-09 22:04:40,222 INFO L87 Difference]: Start difference. First operand 4578 states and 10069 transitions. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 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 22:04:40,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:40,393 INFO L93 Difference]: Finished difference Result 3102 states and 5777 transitions. [2021-07-09 22:04:40,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-09 22:04:40,393 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2021-07-09 22:04:40,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:40,395 INFO L225 Difference]: With dead ends: 3102 [2021-07-09 22:04:40,395 INFO L226 Difference]: Without dead ends: 1187 [2021-07-09 22:04:40,396 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 139.1ms TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-07-09 22:04:40,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2021-07-09 22:04:40,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1187. [2021-07-09 22:04:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1160 states have (on average 1.8870689655172415) internal successors, (2189), 1186 states have internal predecessors, (2189), 0 states have call successors, (0), 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 22:04:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 2189 transitions. [2021-07-09 22:04:40,408 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 2189 transitions. Word has length 95 [2021-07-09 22:04:40,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:40,409 INFO L482 AbstractCegarLoop]: Abstraction has 1187 states and 2189 transitions. [2021-07-09 22:04:40,409 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 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 22:04:40,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2189 transitions. [2021-07-09 22:04:40,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-07-09 22:04:40,410 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:40,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:40,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 22:04:40,410 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:40,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:40,411 INFO L82 PathProgramCache]: Analyzing trace with hash -434886111, now seen corresponding path program 1 times [2021-07-09 22:04:40,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:40,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46348117] [2021-07-09 22:04:40,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:40,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:40,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,481 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-07-09 22:04:40,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 22:04:40,492 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:04:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:04:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:40,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:40,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:40,528 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 22:04:40,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:40,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46348117] [2021-07-09 22:04:40,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46348117] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:40,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:40,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-09 22:04:40,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201065893] [2021-07-09 22:04:40,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-09 22:04:40,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:40,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-09 22:04:40,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-09 22:04:40,530 INFO L87 Difference]: Start difference. First operand 1187 states and 2189 transitions. Second operand has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 22:04:40,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:40,637 INFO L93 Difference]: Finished difference Result 1634 states and 3346 transitions. [2021-07-09 22:04:40,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-09 22:04:40,637 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2021-07-09 22:04:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:40,639 INFO L225 Difference]: With dead ends: 1634 [2021-07-09 22:04:40,639 INFO L226 Difference]: Without dead ends: 632 [2021-07-09 22:04:40,639 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 110.5ms TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-07-09 22:04:40,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2021-07-09 22:04:40,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2021-07-09 22:04:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 605 states have (on average 2.396694214876033) internal successors, (1450), 631 states have internal predecessors, (1450), 0 states have call successors, (0), 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 22:04:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 1450 transitions. [2021-07-09 22:04:40,647 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 1450 transitions. Word has length 99 [2021-07-09 22:04:40,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:40,647 INFO L482 AbstractCegarLoop]: Abstraction has 632 states and 1450 transitions. [2021-07-09 22:04:40,647 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 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 22:04:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1450 transitions. [2021-07-09 22:04:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-07-09 22:04:40,648 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:40,648 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:40,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 22:04:40,649 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:40,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:40,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1872438391, now seen corresponding path program 2 times [2021-07-09 22:04:40,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:40,649 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101590935] [2021-07-09 22:04:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 22:04:40,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:40,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,738 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.6 percent of original size [2021-07-09 22:04:40,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 22:04:40,758 INFO L142 QuantifierPusher]: treesize reduction 33, result has 60.7 percent of original size [2021-07-09 22:04:40,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-07-09 22:04:40,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 22:04:40,806 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-07-09 22:04:40,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 22:04:40,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:40,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 22:04:40,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 22:04:40,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 22:04:40,854 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 22:04:40,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 22:04:40,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101590935] [2021-07-09 22:04:40,854 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101590935] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 22:04:40,854 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 22:04:40,854 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-07-09 22:04:40,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576111534] [2021-07-09 22:04:40,855 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-09 22:04:40,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 22:04:40,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-09 22:04:40,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-07-09 22:04:40,855 INFO L87 Difference]: Start difference. First operand 632 states and 1450 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 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 22:04:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 22:04:41,045 INFO L93 Difference]: Finished difference Result 965 states and 2314 transitions. [2021-07-09 22:04:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-09 22:04:41,045 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2021-07-09 22:04:41,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 22:04:41,046 INFO L225 Difference]: With dead ends: 965 [2021-07-09 22:04:41,047 INFO L226 Difference]: Without dead ends: 623 [2021-07-09 22:04:41,047 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 215.4ms TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-07-09 22:04:41,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-07-09 22:04:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2021-07-09 22:04:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 596 states have (on average 2.402684563758389) internal successors, (1432), 622 states have internal predecessors, (1432), 0 states have call successors, (0), 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 22:04:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 1432 transitions. [2021-07-09 22:04:41,054 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 1432 transitions. Word has length 99 [2021-07-09 22:04:41,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 22:04:41,055 INFO L482 AbstractCegarLoop]: Abstraction has 623 states and 1432 transitions. [2021-07-09 22:04:41,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 9 states have internal predecessors, (99), 0 states have call successors, (0), 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 22:04:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1432 transitions. [2021-07-09 22:04:41,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-07-09 22:04:41,056 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 22:04:41,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 22:04:41,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 22:04:41,056 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 22:04:41,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 22:04:41,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1128552285, now seen corresponding path program 3 times [2021-07-09 22:04:41,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 22:04:41,057 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162706979] [2021-07-09 22:04:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 22:04:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:04:41,084 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:04:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-09 22:04:41,113 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-09 22:04:41,177 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-09 22:04:41,177 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-09 22:04:41,177 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-09 22:04:41,178 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/2) [2021-07-09 22:04:41,180 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 22:04:41,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 10:04:41 BasicIcfg [2021-07-09 22:04:41,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 22:04:41,358 INFO L168 Benchmark]: Toolchain (without parser) took 20464.60 ms. Allocated memory was 212.9 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 176.3 MB in the beginning and 5.2 GB in the end (delta: -5.0 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-09 22:04:41,358 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 212.9 MB. Free memory is still 194.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 22:04:41,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.72 ms. Allocated memory is still 212.9 MB. Free memory was 176.0 MB in the beginning and 183.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-09 22:04:41,360 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 212.9 MB. Free memory was 183.6 MB in the beginning and 181.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:04:41,360 INFO L168 Benchmark]: Boogie Preprocessor took 26.92 ms. Allocated memory is still 212.9 MB. Free memory was 181.1 MB in the beginning and 179.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 22:04:41,363 INFO L168 Benchmark]: RCFGBuilder took 1546.50 ms. Allocated memory is still 212.9 MB. Free memory was 178.4 MB in the beginning and 112.5 MB in the end (delta: 65.9 MB). Peak memory consumption was 110.5 MB. Max. memory is 8.0 GB. [2021-07-09 22:04:41,364 INFO L168 Benchmark]: TraceAbstraction took 18236.76 ms. Allocated memory was 212.9 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 112.0 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. [2021-07-09 22:04:41,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 212.9 MB. Free memory is still 194.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 577.72 ms. Allocated memory is still 212.9 MB. Free memory was 176.0 MB in the beginning and 183.6 MB in the end (delta: -7.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 52.11 ms. Allocated memory is still 212.9 MB. Free memory was 183.6 MB in the beginning and 181.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.92 ms. Allocated memory is still 212.9 MB. Free memory was 181.1 MB in the beginning and 179.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1546.50 ms. Allocated memory is still 212.9 MB. Free memory was 178.4 MB in the beginning and 112.5 MB in the end (delta: 65.9 MB). Peak memory consumption was 110.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18236.76 ms. Allocated memory was 212.9 MB in the beginning and 6.2 GB in the end (delta: 5.9 GB). Free memory was 112.0 MB in the beginning and 5.2 GB in the end (delta: -5.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 326747, positive: 312181, positive conditional: 312181, positive unconditional: 0, negative: 14566, negative conditional: 14566, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 320624, positive: 312181, positive conditional: 0, positive unconditional: 312181, negative: 8443, negative conditional: 0, negative unconditional: 8443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1287, positive: 1255, positive conditional: 0, positive unconditional: 1255, 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: 1287, positive: 1246, positive conditional: 0, positive unconditional: 1246, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 258, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 320624, positive: 310926, positive conditional: 0, positive unconditional: 310926, negative: 8411, negative conditional: 0, negative unconditional: 8411, unknown: 1287, unknown conditional: 0, unknown unconditional: 1287] , Statistics on independence cache: Total cache size (in pairs): 1287, Positive cache size: 1255, Positive conditional cache size: 0, Positive unconditional cache size: 1255, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32, Independence queries for same thread: 6123 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L716] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L718] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L720] 0 int b = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0] [L740] 0 _Bool z$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}] [L743] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0] [L745] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L747] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L748] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L854] 0 pthread_t t1085; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L855] FCALL, FORK 0 pthread_create(&t1085, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L856] 0 pthread_t t1086; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L857] FCALL, FORK 0 pthread_create(&t1086, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t1087; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L859] FCALL, FORK 0 pthread_create(&t1087, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t1088; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L861] FCALL, FORK 0 pthread_create(&t1088, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L826] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L829] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 2 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L789] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L790] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L791] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L791] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L792] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L793] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L793] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L794] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L795] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L832] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L832] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L833] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L833] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L834] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L835] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L836] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L839] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L863] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L3] COND FALSE 0 !(!cond) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L867] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L867] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L868] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L868] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L869] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L870] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L871] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L874] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] COND TRUE 0 !expression VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L18] 0 reach_error() VAL [__unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 163 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17955.0ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 634.0ms, AutomataDifference: 5612.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4113.6ms, PartialOrderReductionTime: 4100.0ms, HoareTripleCheckerStatistics: 1724 SDtfs, 2695 SDslu, 5925 SDs, 0 SdLazy, 617 SolverSat, 141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 627.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1759.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=63206occurred in iteration=0, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5240.2ms AutomataMinimizationTime, 11 MinimizatonAttempts, 26326 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 46.6ms SsaConstructionTime, 383.2ms SatisfiabilityAnalysisTime, 1643.2ms InterpolantComputationTime, 1089 NumberOfCodeBlocks, 1089 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 979 ConstructedInterpolants, 0 QuantifiedInterpolants, 3920 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...