/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/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-09 21:40:54,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-09 21:40:54,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-09 21:40:54,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-09 21:40:54,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-09 21:40:54,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-09 21:40:54,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-09 21:40:54,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-09 21:40:54,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-09 21:40:54,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-09 21:40:54,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-09 21:40:54,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-09 21:40:54,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-09 21:40:54,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-09 21:40:54,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-09 21:40:54,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-09 21:40:54,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-09 21:40:54,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-09 21:40:54,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-09 21:40:54,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-09 21:40:54,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-09 21:40:54,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-09 21:40:54,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-09 21:40:54,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-09 21:40:54,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-09 21:40:54,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-09 21:40:54,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-09 21:40:54,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-09 21:40:54,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-09 21:40:54,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-09 21:40:54,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-09 21:40:54,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-09 21:40:54,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-09 21:40:54,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-09 21:40:54,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-09 21:40:54,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-09 21:40:54,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-09 21:40:54,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-09 21:40:54,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-09 21:40:54,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-09 21:40:54,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-09 21:40:54,202 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 21:40:54,229 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-09 21:40:54,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-09 21:40:54,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-09 21:40:54,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-09 21:40:54,232 INFO L138 SettingsManager]: * Use SBE=true [2021-07-09 21:40:54,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-09 21:40:54,232 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-09 21:40:54,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-09 21:40:54,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-09 21:40:54,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-09 21:40:54,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-09 21:40:54,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-09 21:40:54,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-09 21:40:54,233 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-09 21:40:54,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-09 21:40:54,234 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-09 21:40:54,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-09 21:40:54,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-09 21:40:54,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-09 21:40:54,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-09 21:40:54,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-09 21:40:54,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-09 21:40:54,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-09 21:40:54,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-09 21:40:54,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-09 21:40:54,235 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-09 21:40:54,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-09 21:40:54,235 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-09 21:40:54,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-09 21:40:54,236 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-07-09 21:40:54,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-09 21:40:54,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-09 21:40:54,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-09 21:40:54,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-09 21:40:54,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-09 21:40:54,499 INFO L275 PluginConnector]: CDTParser initialized [2021-07-09 21:40:54,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2021-07-09 21:40:54,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637a9b3f1/15e88fa639a840179b8da00cc48d7433/FLAG34018aeab [2021-07-09 21:40:54,973 INFO L306 CDTParser]: Found 1 translation units. [2021-07-09 21:40:54,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2021-07-09 21:40:54,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637a9b3f1/15e88fa639a840179b8da00cc48d7433/FLAG34018aeab [2021-07-09 21:40:55,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637a9b3f1/15e88fa639a840179b8da00cc48d7433 [2021-07-09 21:40:55,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-09 21:40:55,320 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-09 21:40:55,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-09 21:40:55,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-09 21:40:55,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-09 21:40:55,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df25ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55, skipping insertion in model container [2021-07-09 21:40:55,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-09 21:40:55,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-09 21:40:55,745 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/queue_longer.i[43296,43309] [2021-07-09 21:40:55,752 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/queue_longer.i[43503,43516] [2021-07-09 21:40:55,755 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/queue_longer.i[43783,43796] [2021-07-09 21:40:55,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 21:40:55,772 INFO L203 MainTranslator]: Completed pre-run [2021-07-09 21:40:55,812 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/queue_longer.i[43296,43309] [2021-07-09 21:40:55,813 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/queue_longer.i[43503,43516] [2021-07-09 21:40:55,815 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/queue_longer.i[43783,43796] [2021-07-09 21:40:55,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-09 21:40:55,875 INFO L208 MainTranslator]: Completed translation [2021-07-09 21:40:55,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55 WrapperNode [2021-07-09 21:40:55,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-09 21:40:55,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-09 21:40:55,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-09 21:40:55,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-09 21:40:55,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-09 21:40:55,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-09 21:40:55,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-09 21:40:55,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-09 21:40:55,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (1/1) ... [2021-07-09 21:40:55,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-09 21:40:56,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-09 21:40:56,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-09 21:40:56,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-09 21:40:56,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (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 21:40:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-09 21:40:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-09 21:40:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-09 21:40:56,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-09 21:40:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-09 21:40:56,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-09 21:40:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-09 21:40:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-09 21:40:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-09 21:40:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-09 21:40:56,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-09 21:40:56,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-09 21:40:56,076 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 21:40:56,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-09 21:40:56,673 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-07-09 21:40:56,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:40:56 BoogieIcfgContainer [2021-07-09 21:40:56,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-09 21:40:56,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-09 21:40:56,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-09 21:40:56,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-09 21:40:56,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.07 09:40:55" (1/3) ... [2021-07-09 21:40:56,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c6605d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 09:40:56, skipping insertion in model container [2021-07-09 21:40:56,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.07 09:40:55" (2/3) ... [2021-07-09 21:40:56,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c6605d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.07 09:40:56, skipping insertion in model container [2021-07-09 21:40:56,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.07 09:40:56" (3/3) ... [2021-07-09 21:40:56,678 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2021-07-09 21:40:56,682 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-09 21:40:56,682 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-09 21:40:56,682 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-07-09 21:40:56,682 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-09 21:40:56,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,729 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,731 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,732 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,758 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,760 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,762 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,764 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,764 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,764 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,764 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,765 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,766 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,767 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,768 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,769 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,770 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,771 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,772 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,773 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,774 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,775 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,776 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,777 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,778 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,779 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,780 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,781 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,782 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,783 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,784 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,786 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,786 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,790 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,790 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,790 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,790 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,793 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,793 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-09 21:40:56,801 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-09 21:40:56,818 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-09 21:40:56,831 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 21:40:56,832 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 21:40:56,832 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 21:40:56,832 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 21:40:56,832 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 21:40:56,832 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 21:40:56,832 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 21:40:56,832 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t1Thread1of1ForFork0======== [2021-07-09 21:40:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 12877 states, 12456 states have (on average 1.328757225433526) internal successors, (16551), 12876 states have internal predecessors, (16551), 0 states have call successors, (0), 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 21:40:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-07-09 21:40:57,707 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:40:57,708 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] [2021-07-09 21:40:57,708 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:40:57,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:40:57,713 INFO L82 PathProgramCache]: Analyzing trace with hash -383819529, now seen corresponding path program 1 times [2021-07-09 21:40:57,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:40:57,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215438605] [2021-07-09 21:40:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:40:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:40:57,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:57,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:40:57,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:57,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:40:57,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:57,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 21:40:57,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:57,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 21:40:57,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:57,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:40:57,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:57,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:40:58,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:58,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:40:58,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:58,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:40:58,029 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-07-09 21:40:58,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:40:58,037 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 21:40:58,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 21:40:58,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:58,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:40:58,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:58,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:40:58,054 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 21:40:58,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:40:58,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215438605] [2021-07-09 21:40:58,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215438605] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:40:58,056 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:40:58,056 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-09 21:40:58,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028209897] [2021-07-09 21:40:58,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 21:40:58,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:40:58,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 21:40:58,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-07-09 21:40:58,087 INFO L87 Difference]: Start difference. First operand has 12877 states, 12456 states have (on average 1.328757225433526) internal successors, (16551), 12876 states have internal predecessors, (16551), 0 states have call successors, (0), 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 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 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 21:40:58,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:40:58,574 INFO L93 Difference]: Finished difference Result 12639 states and 15847 transitions. [2021-07-09 21:40:58,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:40:58,576 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2021-07-09 21:40:58,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:40:58,639 INFO L225 Difference]: With dead ends: 12639 [2021-07-09 21:40:58,639 INFO L226 Difference]: Without dead ends: 10575 [2021-07-09 21:40:58,640 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 226.8ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-07-09 21:40:58,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10575 states. [2021-07-09 21:40:58,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10575 to 10575. [2021-07-09 21:40:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10575 states, 10567 states have (on average 1.300085170814801) internal successors, (13738), 10574 states have internal predecessors, (13738), 0 states have call successors, (0), 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 21:40:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10575 states to 10575 states and 13738 transitions. [2021-07-09 21:40:58,984 INFO L78 Accepts]: Start accepts. Automaton has 10575 states and 13738 transitions. Word has length 83 [2021-07-09 21:40:58,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:40:58,985 INFO L482 AbstractCegarLoop]: Abstraction has 10575 states and 13738 transitions. [2021-07-09 21:40:58,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 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 21:40:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 10575 states and 13738 transitions. [2021-07-09 21:40:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-07-09 21:40:58,989 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:40:58,989 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 21:40:58,989 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-09 21:40:58,990 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:40:58,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:40:58,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1409373696, now seen corresponding path program 1 times [2021-07-09 21:40:58,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:40:58,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745838045] [2021-07-09 21:40:58,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:40:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:40:59,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:40:59,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:40:59,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:40:59,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:40:59,049 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 21:40:59,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:40:59,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745838045] [2021-07-09 21:40:59,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745838045] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:40:59,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:40:59,050 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-09 21:40:59,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69611739] [2021-07-09 21:40:59,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 21:40:59,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:40:59,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 21:40:59,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 21:40:59,051 INFO L87 Difference]: Start difference. First operand 10575 states and 13738 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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 21:40:59,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:40:59,106 INFO L93 Difference]: Finished difference Result 10383 states and 13437 transitions. [2021-07-09 21:40:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 21:40:59,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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 21:40:59,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:40:59,139 INFO L225 Difference]: With dead ends: 10383 [2021-07-09 21:40:59,139 INFO L226 Difference]: Without dead ends: 10383 [2021-07-09 21:40:59,140 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 21:40:59,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2021-07-09 21:40:59,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 10383. [2021-07-09 21:40:59,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10383 states, 10375 states have (on average 1.295132530120482) internal successors, (13437), 10382 states have internal predecessors, (13437), 0 states have call successors, (0), 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 21:40:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10383 states to 10383 states and 13437 transitions. [2021-07-09 21:40:59,422 INFO L78 Accepts]: Start accepts. Automaton has 10383 states and 13437 transitions. Word has length 84 [2021-07-09 21:40:59,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:40:59,423 INFO L482 AbstractCegarLoop]: Abstraction has 10383 states and 13437 transitions. [2021-07-09 21:40:59,424 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 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 21:40:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 10383 states and 13437 transitions. [2021-07-09 21:40:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-07-09 21:40:59,432 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:40:59,432 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 21:40:59,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-09 21:40:59,432 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:40:59,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:40:59,432 INFO L82 PathProgramCache]: Analyzing trace with hash -477175304, now seen corresponding path program 1 times [2021-07-09 21:40:59,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:40:59,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346226569] [2021-07-09 21:40:59,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:40:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:40:59,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:40:59,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:40:59,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:40:59,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:40:59,481 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 21:40:59,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:40:59,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346226569] [2021-07-09 21:40:59,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346226569] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:40:59,481 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:40:59,481 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-09 21:40:59,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673993913] [2021-07-09 21:40:59,482 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-09 21:40:59,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:40:59,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-09 21:40:59,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-09 21:40:59,482 INFO L87 Difference]: Start difference. First operand 10383 states and 13437 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 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 21:40:59,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:40:59,536 INFO L93 Difference]: Finished difference Result 10959 states and 14164 transitions. [2021-07-09 21:40:59,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-09 21:40:59,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 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 21:40:59,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:40:59,565 INFO L225 Difference]: With dead ends: 10959 [2021-07-09 21:40:59,565 INFO L226 Difference]: Without dead ends: 9807 [2021-07-09 21:40:59,565 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-09 21:40:59,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2021-07-09 21:40:59,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 9807. [2021-07-09 21:40:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9807 states, 9799 states have (on average 1.288090621491989) internal successors, (12622), 9806 states have internal predecessors, (12622), 0 states have call successors, (0), 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 21:40:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9807 states to 9807 states and 12622 transitions. [2021-07-09 21:40:59,847 INFO L78 Accepts]: Start accepts. Automaton has 9807 states and 12622 transitions. Word has length 99 [2021-07-09 21:40:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:40:59,847 INFO L482 AbstractCegarLoop]: Abstraction has 9807 states and 12622 transitions. [2021-07-09 21:40:59,848 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 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 21:40:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 9807 states and 12622 transitions. [2021-07-09 21:40:59,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-07-09 21:40:59,855 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:40:59,856 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, 1] [2021-07-09 21:40:59,856 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-09 21:40:59,856 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:40:59,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:40:59,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1731505684, now seen corresponding path program 1 times [2021-07-09 21:40:59,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:40:59,857 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903495663] [2021-07-09 21:40:59,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:40:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:40:59,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:40:59,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 21:40:59,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-09 21:40:59,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:40:59,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:40:59,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 21:40:59,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:40:59,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:40:59,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:00,007 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-07-09 21:41:00,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:00,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:00,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:41:00,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:00,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 21:41:00,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:00,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-09 21:41:00,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:00,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-09 21:41:00,049 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 21:41:00,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:00,073 INFO L142 QuantifierPusher]: treesize reduction 21, result has 51.2 percent of original size [2021-07-09 21:41:00,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:00,093 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 21:41:00,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:00,184 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-07-09 21:41:00,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 21:41:00,195 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 21:41:00,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:00,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-07-09 21:41:00,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:41:00,208 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-07-09 21:41:00,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:00,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:00,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:00,211 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 21:41:00,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:00,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903495663] [2021-07-09 21:41:00,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903495663] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:00,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:00,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-07-09 21:41:00,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130556908] [2021-07-09 21:41:00,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-09 21:41:00,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:00,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-09 21:41:00,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-07-09 21:41:00,214 INFO L87 Difference]: Start difference. First operand 9807 states and 12622 transitions. Second operand has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 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 21:41:00,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:00,959 INFO L93 Difference]: Finished difference Result 10171 states and 13111 transitions. [2021-07-09 21:41:00,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-09 21:41:00,960 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-07-09 21:41:00,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:00,978 INFO L225 Difference]: With dead ends: 10171 [2021-07-09 21:41:00,979 INFO L226 Difference]: Without dead ends: 10171 [2021-07-09 21:41:00,979 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 573.2ms TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2021-07-09 21:41:01,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10171 states. [2021-07-09 21:41:01,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10171 to 9984. [2021-07-09 21:41:01,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9984 states, 9976 states have (on average 1.2890938251804331) internal successors, (12860), 9983 states have internal predecessors, (12860), 0 states have call successors, (0), 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 21:41:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9984 states to 9984 states and 12860 transitions. [2021-07-09 21:41:01,152 INFO L78 Accepts]: Start accepts. Automaton has 9984 states and 12860 transitions. Word has length 100 [2021-07-09 21:41:01,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:01,152 INFO L482 AbstractCegarLoop]: Abstraction has 9984 states and 12860 transitions. [2021-07-09 21:41:01,152 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 6.25) internal successors, (100), 16 states have internal predecessors, (100), 0 states have call successors, (0), 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 21:41:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 9984 states and 12860 transitions. [2021-07-09 21:41:01,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-07-09 21:41:01,161 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:01,161 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, 1, 1, 1, 1, 1] [2021-07-09 21:41:01,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-09 21:41:01,161 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:01,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:01,162 INFO L82 PathProgramCache]: Analyzing trace with hash 588694202, now seen corresponding path program 1 times [2021-07-09 21:41:01,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:01,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972410646] [2021-07-09 21:41:01,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:01,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:01,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:01,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:01,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-09 21:41:01,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:01,293 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:01,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 21:41:01,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 21:41:01,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 21:41:01,373 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 21:41:01,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:01,391 INFO L142 QuantifierPusher]: treesize reduction 23, result has 61.0 percent of original size [2021-07-09 21:41:01,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:01,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:01,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:01,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:41:01,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:01,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 21:41:01,498 INFO L142 QuantifierPusher]: treesize reduction 31, result has 49.2 percent of original size [2021-07-09 21:41:01,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:01,523 INFO L142 QuantifierPusher]: treesize reduction 77, result has 41.7 percent of original size [2021-07-09 21:41:01,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:41:01,561 INFO L142 QuantifierPusher]: treesize reduction 40, result has 42.9 percent of original size [2021-07-09 21:41:01,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:01,563 INFO L142 QuantifierPusher]: treesize reduction 34, result has 56.4 percent of original size [2021-07-09 21:41:01,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:01,577 INFO L142 QuantifierPusher]: treesize reduction 34, result has 46.9 percent of original size [2021-07-09 21:41:01,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:01,579 INFO L142 QuantifierPusher]: treesize reduction 34, result has 41.4 percent of original size [2021-07-09 21:41:01,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:01,598 INFO L142 QuantifierPusher]: treesize reduction 55, result has 38.2 percent of original size [2021-07-09 21:41:01,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:01,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 21:41:01,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:01,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:01,669 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-07-09 21:41:01,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 21:41:01,688 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-07-09 21:41:01,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:01,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 21:41:01,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:01,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:01,727 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 21:41:01,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:01,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972410646] [2021-07-09 21:41:01,728 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972410646] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:01,728 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:01,728 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-07-09 21:41:01,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132109133] [2021-07-09 21:41:01,728 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-09 21:41:01,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:01,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-09 21:41:01,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2021-07-09 21:41:01,729 INFO L87 Difference]: Start difference. First operand 9984 states and 12860 transitions. Second operand has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 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 21:41:03,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:03,657 INFO L93 Difference]: Finished difference Result 10121 states and 13008 transitions. [2021-07-09 21:41:03,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 21:41:03,657 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2021-07-09 21:41:03,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:03,674 INFO L225 Difference]: With dead ends: 10121 [2021-07-09 21:41:03,674 INFO L226 Difference]: Without dead ends: 9929 [2021-07-09 21:41:03,675 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1613.8ms TimeCoverageRelationStatistics Valid=466, Invalid=1984, Unknown=0, NotChecked=0, Total=2450 [2021-07-09 21:41:03,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9929 states. [2021-07-09 21:41:03,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9929 to 9929. [2021-07-09 21:41:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9929 states, 9921 states have (on average 1.2895877431710514) internal successors, (12794), 9928 states have internal predecessors, (12794), 0 states have call successors, (0), 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 21:41:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9929 states to 9929 states and 12794 transitions. [2021-07-09 21:41:03,825 INFO L78 Accepts]: Start accepts. Automaton has 9929 states and 12794 transitions. Word has length 104 [2021-07-09 21:41:03,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:03,825 INFO L482 AbstractCegarLoop]: Abstraction has 9929 states and 12794 transitions. [2021-07-09 21:41:03,825 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 27 states have internal predecessors, (104), 0 states have call successors, (0), 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 21:41:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 9929 states and 12794 transitions. [2021-07-09 21:41:03,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-07-09 21:41:03,833 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:03,834 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, 1, 1, 1, 1, 1, 1] [2021-07-09 21:41:03,834 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-09 21:41:03,834 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:03,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:03,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1291053743, now seen corresponding path program 1 times [2021-07-09 21:41:03,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:03,834 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737903377] [2021-07-09 21:41:03,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:03,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:03,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:03,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:03,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:03,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:03,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:03,921 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-07-09 21:41:03,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:03,929 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-07-09 21:41:03,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:03,941 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-09 21:41:03,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:03,953 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-09 21:41:03,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:03,965 INFO L142 QuantifierPusher]: treesize reduction 28, result has 56.3 percent of original size [2021-07-09 21:41:03,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:03,981 INFO L142 QuantifierPusher]: treesize reduction 21, result has 52.3 percent of original size [2021-07-09 21:41:03,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:03,994 INFO L142 QuantifierPusher]: treesize reduction 21, result has 58.0 percent of original size [2021-07-09 21:41:03,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:04,011 INFO L142 QuantifierPusher]: treesize reduction 44, result has 50.0 percent of original size [2021-07-09 21:41:04,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:04,053 INFO L142 QuantifierPusher]: treesize reduction 44, result has 54.6 percent of original size [2021-07-09 21:41:04,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 21:41:04,088 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-07-09 21:41:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:04,115 INFO L142 QuantifierPusher]: treesize reduction 13, result has 70.5 percent of original size [2021-07-09 21:41:04,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:04,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:04,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-09 21:41:04,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:04,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:04,196 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-07-09 21:41:04,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:41:04,227 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.7 percent of original size [2021-07-09 21:41:04,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:04,252 INFO L142 QuantifierPusher]: treesize reduction 42, result has 51.2 percent of original size [2021-07-09 21:41:04,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:04,287 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-07-09 21:41:04,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:04,308 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-07-09 21:41:04,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:04,326 INFO L142 QuantifierPusher]: treesize reduction 22, result has 54.2 percent of original size [2021-07-09 21:41:04,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:04,328 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-07-09 21:41:04,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:04,345 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-09 21:41:04,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:04,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:04,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 21:41:04,399 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:04,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:04,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:04,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:04,435 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-07-09 21:41:04,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 21:41:04,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-07-09 21:41:04,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:04,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 21:41:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:04,492 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 21:41:04,492 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:04,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737903377] [2021-07-09 21:41:04,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737903377] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:04,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:04,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-07-09 21:41:04,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495710192] [2021-07-09 21:41:04,493 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 21:41:04,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:04,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 21:41:04,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-07-09 21:41:04,493 INFO L87 Difference]: Start difference. First operand 9929 states and 12794 transitions. Second operand has 28 states, 28 states have (on average 3.75) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 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 21:41:06,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:06,768 INFO L93 Difference]: Finished difference Result 16065 states and 20428 transitions. [2021-07-09 21:41:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-09 21:41:06,769 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.75) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-07-09 21:41:06,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:06,794 INFO L225 Difference]: With dead ends: 16065 [2021-07-09 21:41:06,795 INFO L226 Difference]: Without dead ends: 15704 [2021-07-09 21:41:06,796 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 1805.8ms TimeCoverageRelationStatistics Valid=519, Invalid=2031, Unknown=0, NotChecked=0, Total=2550 [2021-07-09 21:41:06,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15704 states. [2021-07-09 21:41:07,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15704 to 12325. [2021-07-09 21:41:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12325 states, 12317 states have (on average 1.29033043760656) internal successors, (15893), 12324 states have internal predecessors, (15893), 0 states have call successors, (0), 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 21:41:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12325 states to 12325 states and 15893 transitions. [2021-07-09 21:41:07,030 INFO L78 Accepts]: Start accepts. Automaton has 12325 states and 15893 transitions. Word has length 105 [2021-07-09 21:41:07,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:07,030 INFO L482 AbstractCegarLoop]: Abstraction has 12325 states and 15893 transitions. [2021-07-09 21:41:07,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.75) internal successors, (105), 28 states have internal predecessors, (105), 0 states have call successors, (0), 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 21:41:07,031 INFO L276 IsEmpty]: Start isEmpty. Operand 12325 states and 15893 transitions. [2021-07-09 21:41:07,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-07-09 21:41:07,046 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:07,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-09 21:41:07,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-09 21:41:07,047 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:07,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:07,047 INFO L82 PathProgramCache]: Analyzing trace with hash 702936693, now seen corresponding path program 1 times [2021-07-09 21:41:07,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:07,048 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228151422] [2021-07-09 21:41:07,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:07,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:07,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:07,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:07,208 INFO L142 QuantifierPusher]: treesize reduction 15, result has 54.5 percent of original size [2021-07-09 21:41:07,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:07,216 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-07-09 21:41:07,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:07,225 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-09 21:41:07,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:07,238 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-09 21:41:07,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:07,251 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-07-09 21:41:07,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:07,268 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-07-09 21:41:07,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:07,282 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-07-09 21:41:07,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:07,303 INFO L142 QuantifierPusher]: treesize reduction 23, result has 65.7 percent of original size [2021-07-09 21:41:07,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:07,336 INFO L142 QuantifierPusher]: treesize reduction 23, result has 69.7 percent of original size [2021-07-09 21:41:07,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 21:41:07,370 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-07-09 21:41:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:07,390 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-07-09 21:41:07,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:07,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:41:07,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:07,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-07-09 21:41:07,482 INFO L142 QuantifierPusher]: treesize reduction 31, result has 52.3 percent of original size [2021-07-09 21:41:07,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:07,507 INFO L142 QuantifierPusher]: treesize reduction 72, result has 46.7 percent of original size [2021-07-09 21:41:07,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:41:07,554 INFO L142 QuantifierPusher]: treesize reduction 40, result has 45.9 percent of original size [2021-07-09 21:41:07,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:07,556 INFO L142 QuantifierPusher]: treesize reduction 34, result has 58.5 percent of original size [2021-07-09 21:41:07,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:41:07,572 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.0 percent of original size [2021-07-09 21:41:07,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:07,575 INFO L142 QuantifierPusher]: treesize reduction 34, result has 45.2 percent of original size [2021-07-09 21:41:07,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 21:41:07,600 INFO L142 QuantifierPusher]: treesize reduction 49, result has 43.7 percent of original size [2021-07-09 21:41:07,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:41:07,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:07,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 21:41:07,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 21:41:07,690 INFO L142 QuantifierPusher]: treesize reduction 10, result has 70.6 percent of original size [2021-07-09 21:41:07,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:07,713 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-07-09 21:41:07,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:07,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-07-09 21:41:07,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:07,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-09 21:41:07,781 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:07,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:07,782 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 21:41:07,782 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:07,782 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228151422] [2021-07-09 21:41:07,782 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228151422] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:07,782 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:07,782 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-07-09 21:41:07,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249616531] [2021-07-09 21:41:07,783 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 21:41:07,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:07,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 21:41:07,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=733, Unknown=0, NotChecked=0, Total=812 [2021-07-09 21:41:07,783 INFO L87 Difference]: Start difference. First operand 12325 states and 15893 transitions. Second operand has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 0 states have call successors, (0), 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 21:41:10,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:10,697 INFO L93 Difference]: Finished difference Result 14785 states and 18804 transitions. [2021-07-09 21:41:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-09 21:41:10,698 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 0 states have call successors, (0), 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 109 [2021-07-09 21:41:10,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:10,715 INFO L225 Difference]: With dead ends: 14785 [2021-07-09 21:41:10,716 INFO L226 Difference]: Without dead ends: 14346 [2021-07-09 21:41:10,717 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 2370.2ms TimeCoverageRelationStatistics Valid=581, Invalid=2389, Unknown=0, NotChecked=0, Total=2970 [2021-07-09 21:41:10,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14346 states. [2021-07-09 21:41:10,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14346 to 12538. [2021-07-09 21:41:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12538 states, 12530 states have (on average 1.2890662410215483) internal successors, (16152), 12537 states have internal predecessors, (16152), 0 states have call successors, (0), 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 21:41:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12538 states to 12538 states and 16152 transitions. [2021-07-09 21:41:10,868 INFO L78 Accepts]: Start accepts. Automaton has 12538 states and 16152 transitions. Word has length 109 [2021-07-09 21:41:10,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:10,868 INFO L482 AbstractCegarLoop]: Abstraction has 12538 states and 16152 transitions. [2021-07-09 21:41:10,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 0 states have call successors, (0), 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 21:41:10,868 INFO L276 IsEmpty]: Start isEmpty. Operand 12538 states and 16152 transitions. [2021-07-09 21:41:10,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-07-09 21:41:10,881 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:10,881 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, 1, 1, 1, 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 21:41:10,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-09 21:41:10,882 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:10,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:10,882 INFO L82 PathProgramCache]: Analyzing trace with hash -2030838276, now seen corresponding path program 1 times [2021-07-09 21:41:10,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:10,882 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692605771] [2021-07-09 21:41:10,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:10,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:10,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:10,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:10,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:41:10,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:10,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:10,916 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 21:41:10,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:10,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692605771] [2021-07-09 21:41:10,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692605771] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:10,916 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:10,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 21:41:10,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843035154] [2021-07-09 21:41:10,917 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 21:41:10,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:10,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 21:41:10,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:10,917 INFO L87 Difference]: Start difference. First operand 12538 states and 16152 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 21:41:10,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:10,932 INFO L93 Difference]: Finished difference Result 3016 states and 3363 transitions. [2021-07-09 21:41:10,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 21:41:10,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2021-07-09 21:41:10,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:10,933 INFO L225 Difference]: With dead ends: 3016 [2021-07-09 21:41:10,933 INFO L226 Difference]: Without dead ends: 856 [2021-07-09 21:41:10,934 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2021-07-09 21:41:10,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2021-07-09 21:41:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 848 states have (on average 1.1285377358490567) internal successors, (957), 855 states have internal predecessors, (957), 0 states have call successors, (0), 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 21:41:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 957 transitions. [2021-07-09 21:41:10,940 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 957 transitions. Word has length 126 [2021-07-09 21:41:10,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:10,941 INFO L482 AbstractCegarLoop]: Abstraction has 856 states and 957 transitions. [2021-07-09 21:41:10,941 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 21:41:10,941 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 957 transitions. [2021-07-09 21:41:10,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-07-09 21:41:10,942 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:10,942 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:10,942 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-09 21:41:10,942 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:10,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:10,942 INFO L82 PathProgramCache]: Analyzing trace with hash 494963622, now seen corresponding path program 1 times [2021-07-09 21:41:10,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:10,943 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031745631] [2021-07-09 21:41:10,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:10,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:10,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:10,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:10,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:41:10,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:10,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:10,975 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 21:41:10,975 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:10,976 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031745631] [2021-07-09 21:41:10,976 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031745631] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:10,976 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:10,976 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 21:41:10,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409661012] [2021-07-09 21:41:10,976 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 21:41:10,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:10,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 21:41:10,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:10,977 INFO L87 Difference]: Start difference. First operand 856 states and 957 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 21:41:10,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:10,978 INFO L93 Difference]: Finished difference Result 106 states and 109 transitions. [2021-07-09 21:41:10,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 21:41:10,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 142 [2021-07-09 21:41:10,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:10,979 INFO L225 Difference]: With dead ends: 106 [2021-07-09 21:41:10,979 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 21:41:10,980 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 21:41:10,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 21:41:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:41:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 21:41:10,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2021-07-09 21:41:10,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:10,981 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 21:41:10,981 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 21:41:10,981 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 21:41:10,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 21:41:10,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-09 21:41:10,981 INFO L301 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/3) [2021-07-09 21:41:10,983 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-07-09 21:41:10,983 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 21:41:10,983 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 21:41:10,983 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 21:41:10,983 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 21:41:10,983 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 21:41:10,983 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 21:41:10,983 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 21:41:10,984 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-09 21:41:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 696 states, 683 states have (on average 1.1200585651537336) internal successors, (765), 695 states have internal predecessors, (765), 0 states have call successors, (0), 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 21:41:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-07-09 21:41:11,028 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:11,029 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] [2021-07-09 21:41:11,029 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:11,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:11,029 INFO L82 PathProgramCache]: Analyzing trace with hash 617310073, now seen corresponding path program 1 times [2021-07-09 21:41:11,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:11,029 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271524360] [2021-07-09 21:41:11,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:11,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:11,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:11,041 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 21:41:11,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:11,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271524360] [2021-07-09 21:41:11,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271524360] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:11,041 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:11,041 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-09 21:41:11,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997912694] [2021-07-09 21:41:11,041 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-09 21:41:11,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:11,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-09 21:41:11,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-09 21:41:11,042 INFO L87 Difference]: Start difference. First operand has 696 states, 683 states have (on average 1.1200585651537336) internal successors, (765), 695 states have internal predecessors, (765), 0 states have call successors, (0), 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 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 21:41:11,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:11,046 INFO L93 Difference]: Finished difference Result 686 states and 742 transitions. [2021-07-09 21:41:11,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-09 21:41:11,046 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2021-07-09 21:41:11,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:11,046 INFO L225 Difference]: With dead ends: 686 [2021-07-09 21:41:11,046 INFO L226 Difference]: Without dead ends: 0 [2021-07-09 21:41:11,046 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-09 21:41:11,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-09 21:41:11,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-09 21:41:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-09 21:41:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-09 21:41:11,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-07-09 21:41:11,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:11,047 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-09 21:41:11,047 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 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 21:41:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-09 21:41:11,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-09 21:41:11,047 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-09 21:41:11,047 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-07-09 21:41:11,047 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-09 21:41:11,048 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-09 21:41:11,048 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-09 21:41:11,048 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-09 21:41:11,048 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-09 21:41:11,048 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-09 21:41:11,048 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-09 21:41:11,048 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-09 21:41:11,048 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t2Thread1of1ForFork1======== [2021-07-09 21:41:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 22045 states, 21972 states have (on average 2.1976151465501546) internal successors, (48286), 22044 states have internal predecessors, (48286), 0 states have call successors, (0), 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 21:41:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-07-09 21:41:11,889 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:11,889 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 21:41:11,889 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:11,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:11,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1979063990, now seen corresponding path program 1 times [2021-07-09 21:41:11,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:11,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490097505] [2021-07-09 21:41:11,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:11,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:11,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:41:11,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 21:41:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-09 21:41:11,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:11,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:11,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:41:11,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:41:11,959 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-07-09 21:41:11,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:41:11,964 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-07-09 21:41:11,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 21:41:11,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:41:11,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:11,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:11,977 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 21:41:11,977 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:11,977 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490097505] [2021-07-09 21:41:11,978 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490097505] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:11,978 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:11,978 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-09 21:41:11,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619511662] [2021-07-09 21:41:11,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-09 21:41:11,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:11,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-09 21:41:11,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-07-09 21:41:12,007 INFO L87 Difference]: Start difference. First operand has 22045 states, 21972 states have (on average 2.1976151465501546) internal successors, (48286), 22044 states have internal predecessors, (48286), 0 states have call successors, (0), 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 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 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 21:41:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:12,420 INFO L93 Difference]: Finished difference Result 21410 states and 46245 transitions. [2021-07-09 21:41:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-09 21:41:12,420 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 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 21:41:12,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:12,463 INFO L225 Difference]: With dead ends: 21410 [2021-07-09 21:41:12,463 INFO L226 Difference]: Without dead ends: 20033 [2021-07-09 21:41:12,463 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 211.1ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-07-09 21:41:12,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20033 states. [2021-07-09 21:41:12,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20033 to 20033. [2021-07-09 21:41:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20033 states, 20018 states have (on average 2.2257468278549304) internal successors, (44555), 20032 states have internal predecessors, (44555), 0 states have call successors, (0), 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 21:41:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20033 states to 20033 states and 44555 transitions. [2021-07-09 21:41:12,819 INFO L78 Accepts]: Start accepts. Automaton has 20033 states and 44555 transitions. Word has length 92 [2021-07-09 21:41:12,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:12,819 INFO L482 AbstractCegarLoop]: Abstraction has 20033 states and 44555 transitions. [2021-07-09 21:41:12,819 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 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 21:41:12,819 INFO L276 IsEmpty]: Start isEmpty. Operand 20033 states and 44555 transitions. [2021-07-09 21:41:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-07-09 21:41:12,823 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:12,824 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] [2021-07-09 21:41:12,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-09 21:41:12,824 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:12,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:12,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1743993907, now seen corresponding path program 1 times [2021-07-09 21:41:12,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:12,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78365099] [2021-07-09 21:41:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:12,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:12,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:12,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-09 21:41:12,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:12,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:12,853 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 21:41:12,853 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:12,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78365099] [2021-07-09 21:41:12,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78365099] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:12,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:12,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 21:41:12,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113791380] [2021-07-09 21:41:12,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 21:41:12,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:12,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 21:41:12,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:12,855 INFO L87 Difference]: Start difference. First operand 20033 states and 44555 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 21:41:12,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:12,891 INFO L93 Difference]: Finished difference Result 12589 states and 28061 transitions. [2021-07-09 21:41:12,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 21:41:12,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-07-09 21:41:12,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:12,909 INFO L225 Difference]: With dead ends: 12589 [2021-07-09 21:41:12,909 INFO L226 Difference]: Without dead ends: 12148 [2021-07-09 21:41:12,909 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:13,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12148 states. [2021-07-09 21:41:13,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12148 to 12147. [2021-07-09 21:41:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12147 states, 12146 states have (on average 2.2400790383665403) internal successors, (27208), 12146 states have internal predecessors, (27208), 0 states have call successors, (0), 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 21:41:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12147 states to 12147 states and 27208 transitions. [2021-07-09 21:41:13,164 INFO L78 Accepts]: Start accepts. Automaton has 12147 states and 27208 transitions. Word has length 93 [2021-07-09 21:41:13,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:13,164 INFO L482 AbstractCegarLoop]: Abstraction has 12147 states and 27208 transitions. [2021-07-09 21:41:13,164 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 21:41:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 12147 states and 27208 transitions. [2021-07-09 21:41:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-07-09 21:41:13,174 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:13,174 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:13,175 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-07-09 21:41:13,175 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:13,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:13,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1943450061, now seen corresponding path program 1 times [2021-07-09 21:41:13,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:13,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491279449] [2021-07-09 21:41:13,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:13,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:41:13,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:13,204 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 21:41:13,204 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:13,204 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491279449] [2021-07-09 21:41:13,204 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491279449] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:13,204 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:13,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-09 21:41:13,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962417341] [2021-07-09 21:41:13,205 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-09 21:41:13,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:13,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-09 21:41:13,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:13,205 INFO L87 Difference]: Start difference. First operand 12147 states and 27208 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 21:41:13,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:13,228 INFO L93 Difference]: Finished difference Result 5008 states and 10210 transitions. [2021-07-09 21:41:13,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-09 21:41:13,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 171 [2021-07-09 21:41:13,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:13,235 INFO L225 Difference]: With dead ends: 5008 [2021-07-09 21:41:13,235 INFO L226 Difference]: Without dead ends: 5008 [2021-07-09 21:41:13,235 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-09 21:41:13,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2021-07-09 21:41:13,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 4176. [2021-07-09 21:41:13,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4176 states, 4174 states have (on average 2.0503114518447534) internal successors, (8558), 4175 states have internal predecessors, (8558), 0 states have call successors, (0), 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 21:41:13,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 8558 transitions. [2021-07-09 21:41:13,280 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 8558 transitions. Word has length 171 [2021-07-09 21:41:13,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:13,281 INFO L482 AbstractCegarLoop]: Abstraction has 4176 states and 8558 transitions. [2021-07-09 21:41:13,281 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 21:41:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 8558 transitions. [2021-07-09 21:41:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-07-09 21:41:13,286 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:13,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:13,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-07-09 21:41:13,286 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:13,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:13,286 INFO L82 PathProgramCache]: Analyzing trace with hash -332321537, now seen corresponding path program 1 times [2021-07-09 21:41:13,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:13,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167993327] [2021-07-09 21:41:13,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:13,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:13,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:13,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 21:41:13,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-07-09 21:41:13,494 INFO L142 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-07-09 21:41:13,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 21:41:13,502 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-07-09 21:41:13,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:13,510 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-07-09 21:41:13,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:13,522 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-07-09 21:41:13,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:13,534 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-07-09 21:41:13,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:13,548 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.3 percent of original size [2021-07-09 21:41:13,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:41:13,557 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.8 percent of original size [2021-07-09 21:41:13,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 319 [2021-07-09 21:41:13,641 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.8 percent of original size [2021-07-09 21:41:13,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-07-09 21:41:13,738 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.8 percent of original size [2021-07-09 21:41:13,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-07-09 21:41:13,740 INFO L142 QuantifierPusher]: treesize reduction 4, result has 98.8 percent of original size [2021-07-09 21:41:13,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-07-09 21:41:13,742 INFO L142 QuantifierPusher]: treesize reduction 27, result has 92.6 percent of original size [2021-07-09 21:41:13,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-07-09 21:41:13,852 INFO L142 QuantifierPusher]: treesize reduction 13, result has 95.9 percent of original size [2021-07-09 21:41:13,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-07-09 21:41:13,870 INFO L142 QuantifierPusher]: treesize reduction 13, result has 95.9 percent of original size [2021-07-09 21:41:13,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-07-09 21:41:13,887 INFO L142 QuantifierPusher]: treesize reduction 13, result has 95.9 percent of original size [2021-07-09 21:41:13,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-07-09 21:41:13,906 INFO L142 QuantifierPusher]: treesize reduction 13, result has 95.9 percent of original size [2021-07-09 21:41:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-07-09 21:41:13,925 INFO L142 QuantifierPusher]: treesize reduction 13, result has 95.9 percent of original size [2021-07-09 21:41:13,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 307 [2021-07-09 21:41:13,944 INFO L142 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-07-09 21:41:13,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 619 [2021-07-09 21:41:13,966 INFO L142 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-07-09 21:41:13,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 619 [2021-07-09 21:41:13,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:13,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-07-09 21:41:14,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-07-09 21:41:14,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-07-09 21:41:14,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-07-09 21:41:14,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-07-09 21:41:14,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-07-09 21:41:14,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-07-09 21:41:14,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-07-09 21:41:14,160 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-07-09 21:41:14,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 21:41:14,180 INFO L142 QuantifierPusher]: treesize reduction 28, result has 48.1 percent of original size [2021-07-09 21:41:14,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:14,211 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-07-09 21:41:14,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 21:41:14,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 21:41:14,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:14,230 INFO L142 QuantifierPusher]: treesize reduction 9, result has 69.0 percent of original size [2021-07-09 21:41:14,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-09 21:41:14,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-07-09 21:41:14,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:14,249 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-07-09 21:41:14,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-07-09 21:41:14,267 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-07-09 21:41:14,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:14,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:14,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-07-09 21:41:14,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:14,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:14,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:14,318 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 21:41:14,318 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:14,318 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167993327] [2021-07-09 21:41:14,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167993327] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:14,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:14,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-07-09 21:41:14,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712155211] [2021-07-09 21:41:14,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-09 21:41:14,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:14,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-09 21:41:14,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-07-09 21:41:14,319 INFO L87 Difference]: Start difference. First operand 4176 states and 8558 transitions. Second operand has 20 states, 20 states have (on average 8.6) internal successors, (172), 20 states have internal predecessors, (172), 0 states have call successors, (0), 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 21:41:15,399 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-07-09 21:41:15,589 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 66 [2021-07-09 21:41:16,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:16,212 INFO L93 Difference]: Finished difference Result 4126 states and 8441 transitions. [2021-07-09 21:41:16,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-09 21:41:16,212 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 20 states have internal predecessors, (172), 0 states have call successors, (0), 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 172 [2021-07-09 21:41:16,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:16,218 INFO L225 Difference]: With dead ends: 4126 [2021-07-09 21:41:16,218 INFO L226 Difference]: Without dead ends: 4126 [2021-07-09 21:41:16,219 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 15 SyntacticMatches, 9 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 1807.9ms TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2021-07-09 21:41:16,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-07-09 21:41:16,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4126. [2021-07-09 21:41:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4126 states, 4124 states have (on average 2.046799224054316) internal successors, (8441), 4125 states have internal predecessors, (8441), 0 states have call successors, (0), 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 21:41:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4126 states to 4126 states and 8441 transitions. [2021-07-09 21:41:16,322 INFO L78 Accepts]: Start accepts. Automaton has 4126 states and 8441 transitions. Word has length 172 [2021-07-09 21:41:16,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:16,322 INFO L482 AbstractCegarLoop]: Abstraction has 4126 states and 8441 transitions. [2021-07-09 21:41:16,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 8.6) internal successors, (172), 20 states have internal predecessors, (172), 0 states have call successors, (0), 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 21:41:16,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4126 states and 8441 transitions. [2021-07-09 21:41:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-07-09 21:41:16,330 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:16,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:16,330 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-07-09 21:41:16,330 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:16,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:16,332 INFO L82 PathProgramCache]: Analyzing trace with hash 2100634265, now seen corresponding path program 1 times [2021-07-09 21:41:16,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:16,332 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056060035] [2021-07-09 21:41:16,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:16,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:16,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:16,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:16,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:16,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:16,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:16,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:16,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 21:41:16,571 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.7 percent of original size [2021-07-09 21:41:16,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:16,580 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:41:16,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:16,590 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-09 21:41:16,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 21:41:16,603 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.5 percent of original size [2021-07-09 21:41:16,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 21:41:16,617 INFO L142 QuantifierPusher]: treesize reduction 4, result has 89.2 percent of original size [2021-07-09 21:41:16,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:16,632 INFO L142 QuantifierPusher]: treesize reduction 4, result has 92.9 percent of original size [2021-07-09 21:41:16,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:41:16,642 INFO L142 QuantifierPusher]: treesize reduction 28, result has 91.6 percent of original size [2021-07-09 21:41:16,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 306 [2021-07-09 21:41:16,727 INFO L142 QuantifierPusher]: treesize reduction 28, result has 91.8 percent of original size [2021-07-09 21:41:16,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-07-09 21:41:16,860 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2021-07-09 21:41:16,862 INFO L142 QuantifierPusher]: treesize reduction 28, result has 91.8 percent of original size [2021-07-09 21:41:16,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-07-09 21:41:16,863 INFO L142 QuantifierPusher]: treesize reduction 28, result has 91.8 percent of original size [2021-07-09 21:41:16,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-07-09 21:41:16,866 INFO L142 QuantifierPusher]: treesize reduction 60, result has 84.4 percent of original size [2021-07-09 21:41:16,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 324 [2021-07-09 21:41:17,013 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2021-07-09 21:41:17,017 INFO L142 QuantifierPusher]: treesize reduction 60, result has 84.7 percent of original size [2021-07-09 21:41:17,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 333 [2021-07-09 21:41:17,156 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2021-07-09 21:41:17,158 INFO L142 QuantifierPusher]: treesize reduction 13, result has 96.1 percent of original size [2021-07-09 21:41:17,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-07-09 21:41:17,266 INFO L142 QuantifierPusher]: treesize reduction 13, result has 96.1 percent of original size [2021-07-09 21:41:17,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-07-09 21:41:17,372 INFO L142 QuantifierPusher]: treesize reduction 13, result has 96.1 percent of original size [2021-07-09 21:41:17,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-07-09 21:41:17,374 INFO L142 QuantifierPusher]: treesize reduction 13, result has 96.1 percent of original size [2021-07-09 21:41:17,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-07-09 21:41:17,376 INFO L142 QuantifierPusher]: treesize reduction 13, result has 96.1 percent of original size [2021-07-09 21:41:17,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-07-09 21:41:17,378 INFO L142 QuantifierPusher]: treesize reduction 13, result has 96.1 percent of original size [2021-07-09 21:41:17,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-07-09 21:41:17,379 INFO L142 QuantifierPusher]: treesize reduction 13, result has 96.1 percent of original size [2021-07-09 21:41:17,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 318 [2021-07-09 21:41:17,381 INFO L142 QuantifierPusher]: treesize reduction 9, result has 98.6 percent of original size [2021-07-09 21:41:17,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 638 [2021-07-09 21:41:17,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-07-09 21:41:17,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-07-09 21:41:17,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-07-09 21:41:17,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-07-09 21:41:17,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-07-09 21:41:17,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 314 [2021-07-09 21:41:17,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-07-09 21:41:17,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-07-09 21:41:17,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-07-09 21:41:17,659 INFO L142 QuantifierPusher]: treesize reduction 30, result has 55.9 percent of original size [2021-07-09 21:41:17,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:41:17,697 INFO L142 QuantifierPusher]: treesize reduction 48, result has 58.6 percent of original size [2021-07-09 21:41:17,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-07-09 21:41:17,744 INFO L142 QuantifierPusher]: treesize reduction 32, result has 57.9 percent of original size [2021-07-09 21:41:17,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:17,764 INFO L142 QuantifierPusher]: treesize reduction 32, result has 55.6 percent of original size [2021-07-09 21:41:17,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 21:41:17,799 INFO L142 QuantifierPusher]: treesize reduction 26, result has 70.1 percent of original size [2021-07-09 21:41:17,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 21:41:17,821 INFO L142 QuantifierPusher]: treesize reduction 26, result has 60.6 percent of original size [2021-07-09 21:41:17,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 21:41:17,823 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-07-09 21:41:17,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:17,859 INFO L142 QuantifierPusher]: treesize reduction 26, result has 57.4 percent of original size [2021-07-09 21:41:17,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:17,897 INFO L142 QuantifierPusher]: treesize reduction 26, result has 52.7 percent of original size [2021-07-09 21:41:17,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:17,934 INFO L142 QuantifierPusher]: treesize reduction 19, result has 65.5 percent of original size [2021-07-09 21:41:17,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:17,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:17,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-07-09 21:41:18,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:18,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:18,077 INFO L142 QuantifierPusher]: treesize reduction 18, result has 63.3 percent of original size [2021-07-09 21:41:18,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:18,111 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:18,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:18,180 INFO L142 QuantifierPusher]: treesize reduction 36, result has 49.3 percent of original size [2021-07-09 21:41:18,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:18,225 INFO L142 QuantifierPusher]: treesize reduction 34, result has 57.0 percent of original size [2021-07-09 21:41:18,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:41:18,275 INFO L142 QuantifierPusher]: treesize reduction 37, result has 41.3 percent of original size [2021-07-09 21:41:18,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:18,316 INFO L142 QuantifierPusher]: treesize reduction 31, result has 51.6 percent of original size [2021-07-09 21:41:18,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:18,345 INFO L142 QuantifierPusher]: treesize reduction 24, result has 56.4 percent of original size [2021-07-09 21:41:18,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:18,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:18,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:18,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-09 21:41:18,471 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 21:41:18,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:18,503 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-07-09 21:41:18,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:18,504 INFO L142 QuantifierPusher]: treesize reduction 14, result has 36.4 percent of original size [2021-07-09 21:41:18,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-09 21:41:18,535 INFO L142 QuantifierPusher]: treesize reduction 17, result has 5.6 percent of original size [2021-07-09 21:41:18,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:18,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:18,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:18,537 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 21:41:18,537 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:18,537 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056060035] [2021-07-09 21:41:18,537 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056060035] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:18,537 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:18,537 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-07-09 21:41:18,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583180532] [2021-07-09 21:41:18,537 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-09 21:41:18,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:18,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-09 21:41:18,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1112, Unknown=0, NotChecked=0, Total=1260 [2021-07-09 21:41:18,538 INFO L87 Difference]: Start difference. First operand 4126 states and 8441 transitions. Second operand has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 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 21:41:19,587 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 48 [2021-07-09 21:41:19,852 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 44 [2021-07-09 21:41:20,106 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 48 [2021-07-09 21:41:20,396 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 50 [2021-07-09 21:41:20,742 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 71 [2021-07-09 21:41:21,078 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 70 [2021-07-09 21:41:23,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:23,495 INFO L93 Difference]: Finished difference Result 8242 states and 16919 transitions. [2021-07-09 21:41:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-07-09 21:41:23,496 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2021-07-09 21:41:23,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:23,506 INFO L225 Difference]: With dead ends: 8242 [2021-07-09 21:41:23,506 INFO L226 Difference]: Without dead ends: 8242 [2021-07-09 21:41:23,507 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 19 SyntacticMatches, 9 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 5208.8ms TimeCoverageRelationStatistics Valid=784, Invalid=4046, Unknown=0, NotChecked=0, Total=4830 [2021-07-09 21:41:23,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8242 states. [2021-07-09 21:41:23,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8242 to 6929. [2021-07-09 21:41:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6929 states, 6927 states have (on average 2.0601992204417496) internal successors, (14271), 6928 states have internal predecessors, (14271), 0 states have call successors, (0), 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 21:41:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6929 states to 6929 states and 14271 transitions. [2021-07-09 21:41:23,584 INFO L78 Accepts]: Start accepts. Automaton has 6929 states and 14271 transitions. Word has length 176 [2021-07-09 21:41:23,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:23,585 INFO L482 AbstractCegarLoop]: Abstraction has 6929 states and 14271 transitions. [2021-07-09 21:41:23,585 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 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 21:41:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 6929 states and 14271 transitions. [2021-07-09 21:41:23,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-07-09 21:41:23,592 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:23,592 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:23,592 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-07-09 21:41:23,593 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:23,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:23,593 INFO L82 PathProgramCache]: Analyzing trace with hash -2107308695, now seen corresponding path program 2 times [2021-07-09 21:41:23,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:23,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407445654] [2021-07-09 21:41:23,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:23,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:23,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:23,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:23,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:23,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:23,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:23,703 INFO L142 QuantifierPusher]: treesize reduction 14, result has 54.8 percent of original size [2021-07-09 21:41:23,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 21:41:23,710 INFO L142 QuantifierPusher]: treesize reduction 13, result has 55.2 percent of original size [2021-07-09 21:41:23,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:23,718 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-09 21:41:23,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:23,729 INFO L142 QuantifierPusher]: treesize reduction 13, result has 62.9 percent of original size [2021-07-09 21:41:23,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:23,742 INFO L142 QuantifierPusher]: treesize reduction 13, result has 73.5 percent of original size [2021-07-09 21:41:23,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:23,759 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-07-09 21:41:23,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:23,771 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.0 percent of original size [2021-07-09 21:41:23,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:23,787 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.3 percent of original size [2021-07-09 21:41:23,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:23,816 INFO L142 QuantifierPusher]: treesize reduction 13, result has 63.9 percent of original size [2021-07-09 21:41:23,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:23,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:23,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 21:41:23,845 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:23,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 21:41:23,858 INFO L142 QuantifierPusher]: treesize reduction 4, result has 88.2 percent of original size [2021-07-09 21:41:23,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:23,884 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-09 21:41:23,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:23,903 INFO L142 QuantifierPusher]: treesize reduction 29, result has 53.2 percent of original size [2021-07-09 21:41:23,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:23,925 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-09 21:41:23,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:23,925 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-07-09 21:41:23,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:23,938 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-07-09 21:41:23,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:23,938 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-07-09 21:41:23,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:23,957 INFO L142 QuantifierPusher]: treesize reduction 33, result has 38.9 percent of original size [2021-07-09 21:41:23,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:23,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:23,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 21:41:24,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:24,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 21:41:24,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:24,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:24,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:24,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:24,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:24,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-07-09 21:41:24,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:24,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:24,113 INFO L142 QuantifierPusher]: treesize reduction 23, result has 54.0 percent of original size [2021-07-09 21:41:24,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:24,135 INFO L142 QuantifierPusher]: treesize reduction 26, result has 44.7 percent of original size [2021-07-09 21:41:24,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:24,154 INFO L142 QuantifierPusher]: treesize reduction 26, result has 35.0 percent of original size [2021-07-09 21:41:24,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:24,173 INFO L142 QuantifierPusher]: treesize reduction 17, result has 55.3 percent of original size [2021-07-09 21:41:24,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:24,190 INFO L142 QuantifierPusher]: treesize reduction 17, result has 45.2 percent of original size [2021-07-09 21:41:24,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:24,191 INFO L142 QuantifierPusher]: treesize reduction 17, result has 32.0 percent of original size [2021-07-09 21:41:24,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-09 21:41:24,209 INFO L142 QuantifierPusher]: treesize reduction 20, result has 4.8 percent of original size [2021-07-09 21:41:24,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:24,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:24,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:24,210 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 21:41:24,210 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:24,210 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407445654] [2021-07-09 21:41:24,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407445654] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:24,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:24,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-07-09 21:41:24,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117054532] [2021-07-09 21:41:24,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-09 21:41:24,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:24,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-09 21:41:24,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2021-07-09 21:41:24,211 INFO L87 Difference]: Start difference. First operand 6929 states and 14271 transitions. Second operand has 29 states, 29 states have (on average 6.068965517241379) internal successors, (176), 29 states have internal predecessors, (176), 0 states have call successors, (0), 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 21:41:25,324 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-07-09 21:41:26,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:26,692 INFO L93 Difference]: Finished difference Result 7347 states and 15014 transitions. [2021-07-09 21:41:26,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-07-09 21:41:26,693 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.068965517241379) internal successors, (176), 29 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2021-07-09 21:41:26,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:26,701 INFO L225 Difference]: With dead ends: 7347 [2021-07-09 21:41:26,701 INFO L226 Difference]: Without dead ends: 7347 [2021-07-09 21:41:26,702 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 2314.7ms TimeCoverageRelationStatistics Valid=802, Invalid=2738, Unknown=0, NotChecked=0, Total=3540 [2021-07-09 21:41:26,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7347 states. [2021-07-09 21:41:26,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7347 to 7139. [2021-07-09 21:41:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7139 states, 7137 states have (on average 2.0501611321283453) internal successors, (14632), 7138 states have internal predecessors, (14632), 0 states have call successors, (0), 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 21:41:26,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7139 states to 7139 states and 14632 transitions. [2021-07-09 21:41:26,775 INFO L78 Accepts]: Start accepts. Automaton has 7139 states and 14632 transitions. Word has length 176 [2021-07-09 21:41:26,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:26,775 INFO L482 AbstractCegarLoop]: Abstraction has 7139 states and 14632 transitions. [2021-07-09 21:41:26,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 6.068965517241379) internal successors, (176), 29 states have internal predecessors, (176), 0 states have call successors, (0), 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 21:41:26,776 INFO L276 IsEmpty]: Start isEmpty. Operand 7139 states and 14632 transitions. [2021-07-09 21:41:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-07-09 21:41:26,783 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:26,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:26,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-07-09 21:41:26,783 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:26,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:26,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1476244911, now seen corresponding path program 3 times [2021-07-09 21:41:26,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:26,783 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555061753] [2021-07-09 21:41:26,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:26,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:26,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:26,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:26,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:26,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:26,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:26,921 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-07-09 21:41:26,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 21:41:26,928 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-09 21:41:26,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:26,936 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-07-09 21:41:26,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:26,946 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-07-09 21:41:26,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:26,958 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-07-09 21:41:26,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:26,972 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-09 21:41:26,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:26,984 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-07-09 21:41:26,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:27,004 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-07-09 21:41:27,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:27,031 INFO L142 QuantifierPusher]: treesize reduction 37, result has 54.3 percent of original size [2021-07-09 21:41:27,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:27,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 21:41:27,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:27,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-09 21:41:27,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:27,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:27,156 INFO L142 QuantifierPusher]: treesize reduction 55, result has 42.1 percent of original size [2021-07-09 21:41:27,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 21:41:27,180 INFO L142 QuantifierPusher]: treesize reduction 62, result has 51.2 percent of original size [2021-07-09 21:41:27,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-09 21:41:27,223 INFO L142 QuantifierPusher]: treesize reduction 42, result has 48.8 percent of original size [2021-07-09 21:41:27,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 21:41:27,224 INFO L142 QuantifierPusher]: treesize reduction 36, result has 62.9 percent of original size [2021-07-09 21:41:27,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 21:41:27,239 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.6 percent of original size [2021-07-09 21:41:27,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-07-09 21:41:27,240 INFO L142 QuantifierPusher]: treesize reduction 36, result has 48.6 percent of original size [2021-07-09 21:41:27,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:27,264 INFO L142 QuantifierPusher]: treesize reduction 36, result has 49.3 percent of original size [2021-07-09 21:41:27,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:27,287 INFO L142 QuantifierPusher]: treesize reduction 36, result has 44.6 percent of original size [2021-07-09 21:41:27,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:27,312 INFO L142 QuantifierPusher]: treesize reduction 39, result has 48.0 percent of original size [2021-07-09 21:41:27,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:27,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-09 21:41:27,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:27,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:27,406 INFO L142 QuantifierPusher]: treesize reduction 34, result has 50.7 percent of original size [2021-07-09 21:41:27,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:27,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:27,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:27,479 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-07-09 21:41:27,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-09 21:41:27,508 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-07-09 21:41:27,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:27,535 INFO L142 QuantifierPusher]: treesize reduction 30, result has 46.4 percent of original size [2021-07-09 21:41:27,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:27,562 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.9 percent of original size [2021-07-09 21:41:27,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:27,582 INFO L142 QuantifierPusher]: treesize reduction 24, result has 58.6 percent of original size [2021-07-09 21:41:27,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:27,603 INFO L142 QuantifierPusher]: treesize reduction 17, result has 61.4 percent of original size [2021-07-09 21:41:27,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:27,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 21:41:27,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-09 21:41:27,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-07-09 21:41:27,695 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-07-09 21:41:27,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:27,717 INFO L142 QuantifierPusher]: treesize reduction 9, result has 60.9 percent of original size [2021-07-09 21:41:27,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:27,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 47.1 percent of original size [2021-07-09 21:41:27,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-09 21:41:27,739 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-07-09 21:41:27,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:27,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:27,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:27,741 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 21:41:27,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:27,741 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555061753] [2021-07-09 21:41:27,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555061753] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:27,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:27,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2021-07-09 21:41:27,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166182996] [2021-07-09 21:41:27,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-09 21:41:27,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:27,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-09 21:41:27,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1108, Unknown=0, NotChecked=0, Total=1260 [2021-07-09 21:41:27,742 INFO L87 Difference]: Start difference. First operand 7139 states and 14632 transitions. Second operand has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 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 21:41:31,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:31,511 INFO L93 Difference]: Finished difference Result 10620 states and 21883 transitions. [2021-07-09 21:41:31,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-09 21:41:31,512 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2021-07-09 21:41:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:31,526 INFO L225 Difference]: With dead ends: 10620 [2021-07-09 21:41:31,526 INFO L226 Difference]: Without dead ends: 10620 [2021-07-09 21:41:31,527 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 6 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1310 ImplicationChecksByTransitivity, 3521.7ms TimeCoverageRelationStatistics Valid=1133, Invalid=4417, Unknown=0, NotChecked=0, Total=5550 [2021-07-09 21:41:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10620 states. [2021-07-09 21:41:31,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10620 to 7007. [2021-07-09 21:41:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7007 states, 7005 states have (on average 2.068807994289793) internal successors, (14492), 7006 states have internal predecessors, (14492), 0 states have call successors, (0), 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 21:41:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7007 states to 7007 states and 14492 transitions. [2021-07-09 21:41:31,616 INFO L78 Accepts]: Start accepts. Automaton has 7007 states and 14492 transitions. Word has length 176 [2021-07-09 21:41:31,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:31,616 INFO L482 AbstractCegarLoop]: Abstraction has 7007 states and 14492 transitions. [2021-07-09 21:41:31,616 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 4.888888888888889) internal successors, (176), 36 states have internal predecessors, (176), 0 states have call successors, (0), 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 21:41:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7007 states and 14492 transitions. [2021-07-09 21:41:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-07-09 21:41:31,622 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:31,622 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:31,622 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-07-09 21:41:31,622 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:31,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:31,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1252573622, now seen corresponding path program 1 times [2021-07-09 21:41:31,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:31,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442366984] [2021-07-09 21:41:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:31,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:31,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:31,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:31,703 INFO L142 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-07-09 21:41:31,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-09 21:41:31,710 INFO L142 QuantifierPusher]: treesize reduction 5, result has 76.2 percent of original size [2021-07-09 21:41:31,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:31,718 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-07-09 21:41:31,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:31,728 INFO L142 QuantifierPusher]: treesize reduction 5, result has 81.5 percent of original size [2021-07-09 21:41:31,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:31,739 INFO L142 QuantifierPusher]: treesize reduction 5, result has 87.8 percent of original size [2021-07-09 21:41:31,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:31,755 INFO L142 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-07-09 21:41:31,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:31,767 INFO L142 QuantifierPusher]: treesize reduction 16, result has 64.4 percent of original size [2021-07-09 21:41:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:31,782 INFO L142 QuantifierPusher]: treesize reduction 17, result has 67.3 percent of original size [2021-07-09 21:41:31,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:31,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:31,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:31,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-09 21:41:31,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 21:41:31,845 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-07-09 21:41:31,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:31,863 INFO L142 QuantifierPusher]: treesize reduction 34, result has 51.4 percent of original size [2021-07-09 21:41:31,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:31,894 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-07-09 21:41:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:31,895 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.9 percent of original size [2021-07-09 21:41:31,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-07-09 21:41:31,906 INFO L142 QuantifierPusher]: treesize reduction 7, result has 79.4 percent of original size [2021-07-09 21:41:31,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-09 21:41:31,907 INFO L142 QuantifierPusher]: treesize reduction 7, result has 75.0 percent of original size [2021-07-09 21:41:31,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:31,925 INFO L142 QuantifierPusher]: treesize reduction 36, result has 36.8 percent of original size [2021-07-09 21:41:31,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-07-09 21:41:31,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-09 21:41:31,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 21:41:31,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:31,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:32,015 INFO L142 QuantifierPusher]: treesize reduction 10, result has 75.6 percent of original size [2021-07-09 21:41:32,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:32,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:32,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 21:41:32,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:32,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-07-09 21:41:32,073 INFO L142 QuantifierPusher]: treesize reduction 18, result has 63.3 percent of original size [2021-07-09 21:41:32,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:32,099 INFO L142 QuantifierPusher]: treesize reduction 21, result has 54.3 percent of original size [2021-07-09 21:41:32,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 21:41:32,120 INFO L142 QuantifierPusher]: treesize reduction 21, result has 46.2 percent of original size [2021-07-09 21:41:32,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:32,139 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-07-09 21:41:32,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-07-09 21:41:32,156 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-07-09 21:41:32,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:32,174 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-07-09 21:41:32,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-09 21:41:32,193 INFO L142 QuantifierPusher]: treesize reduction 12, result has 40.0 percent of original size [2021-07-09 21:41:32,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-07-09 21:41:32,210 INFO L142 QuantifierPusher]: treesize reduction 15, result has 6.3 percent of original size [2021-07-09 21:41:32,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:32,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:32,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:32,212 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 21:41:32,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:32,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442366984] [2021-07-09 21:41:32,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442366984] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:32,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:32,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-07-09 21:41:32,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770555760] [2021-07-09 21:41:32,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-09 21:41:32,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:32,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-09 21:41:32,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2021-07-09 21:41:32,213 INFO L87 Difference]: Start difference. First operand 7007 states and 14492 transitions. Second operand has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 28 states have internal predecessors, (180), 0 states have call successors, (0), 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 21:41:33,234 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2021-07-09 21:41:34,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:34,292 INFO L93 Difference]: Finished difference Result 6215 states and 12769 transitions. [2021-07-09 21:41:34,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-09 21:41:34,292 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 28 states have internal predecessors, (180), 0 states have call successors, (0), 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 180 [2021-07-09 21:41:34,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:34,300 INFO L225 Difference]: With dead ends: 6215 [2021-07-09 21:41:34,300 INFO L226 Difference]: Without dead ends: 6215 [2021-07-09 21:41:34,301 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 1969.2ms TimeCoverageRelationStatistics Valid=634, Invalid=2122, Unknown=0, NotChecked=0, Total=2756 [2021-07-09 21:41:34,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6215 states. [2021-07-09 21:41:34,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6215 to 6107. [2021-07-09 21:41:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6107 states, 6105 states have (on average 2.0606060606060606) internal successors, (12580), 6106 states have internal predecessors, (12580), 0 states have call successors, (0), 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 21:41:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 6107 states and 12580 transitions. [2021-07-09 21:41:34,368 INFO L78 Accepts]: Start accepts. Automaton has 6107 states and 12580 transitions. Word has length 180 [2021-07-09 21:41:34,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:34,368 INFO L482 AbstractCegarLoop]: Abstraction has 6107 states and 12580 transitions. [2021-07-09 21:41:34,368 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 6.428571428571429) internal successors, (180), 28 states have internal predecessors, (180), 0 states have call successors, (0), 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 21:41:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 6107 states and 12580 transitions. [2021-07-09 21:41:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-07-09 21:41:34,373 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:34,373 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:34,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-07-09 21:41:34,374 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:34,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:34,374 INFO L82 PathProgramCache]: Analyzing trace with hash -172950429, now seen corresponding path program 1 times [2021-07-09 21:41:34,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:34,374 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568353858] [2021-07-09 21:41:34,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:34,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:34,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:34,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:34,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:34,664 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-07-09 21:41:34,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:34,671 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-09 21:41:34,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:34,678 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:41:34,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:34,705 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:41:34,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:34,716 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-07-09 21:41:34,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:34,731 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-07-09 21:41:34,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:34,758 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-07-09 21:41:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:34,774 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-07-09 21:41:34,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:34,814 INFO L142 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size [2021-07-09 21:41:34,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:34,847 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-07-09 21:41:34,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:34,868 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-07-09 21:41:34,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:34,889 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-07-09 21:41:34,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 21:41:34,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:34,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:34,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:34,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:41:34,946 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:41:34,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:34,987 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:41:34,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:35,028 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.6 percent of original size [2021-07-09 21:41:35,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-07-09 21:41:35,084 INFO L142 QuantifierPusher]: treesize reduction 52, result has 50.0 percent of original size [2021-07-09 21:41:35,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:41:35,127 INFO L142 QuantifierPusher]: treesize reduction 52, result has 48.0 percent of original size [2021-07-09 21:41:35,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:41:35,165 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.9 percent of original size [2021-07-09 21:41:35,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-09 21:41:35,208 INFO L142 QuantifierPusher]: treesize reduction 42, result has 66.7 percent of original size [2021-07-09 21:41:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-07-09 21:41:35,227 INFO L142 QuantifierPusher]: treesize reduction 42, result has 57.1 percent of original size [2021-07-09 21:41:35,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-07-09 21:41:35,228 INFO L142 QuantifierPusher]: treesize reduction 42, result has 54.3 percent of original size [2021-07-09 21:41:35,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-07-09 21:41:35,271 INFO L142 QuantifierPusher]: treesize reduction 39, result has 64.5 percent of original size [2021-07-09 21:41:35,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-07-09 21:41:35,318 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.9 percent of original size [2021-07-09 21:41:35,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-07-09 21:41:35,366 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.8 percent of original size [2021-07-09 21:41:35,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 21:41:35,412 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-07-09 21:41:35,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-09 21:41:35,479 INFO L142 QuantifierPusher]: treesize reduction 37, result has 65.1 percent of original size [2021-07-09 21:41:35,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-07-09 21:41:35,543 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-07-09 21:41:35,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:41:35,567 INFO L142 QuantifierPusher]: treesize reduction 13, result has 88.5 percent of original size [2021-07-09 21:41:35,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-07-09 21:41:35,627 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.1 percent of original size [2021-07-09 21:41:35,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-07-09 21:41:35,696 INFO L142 QuantifierPusher]: treesize reduction 64, result has 64.0 percent of original size [2021-07-09 21:41:35,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-09 21:41:35,772 INFO L142 QuantifierPusher]: treesize reduction 72, result has 65.6 percent of original size [2021-07-09 21:41:35,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:35,841 INFO L142 QuantifierPusher]: treesize reduction 72, result has 56.1 percent of original size [2021-07-09 21:41:35,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:41:35,905 INFO L142 QuantifierPusher]: treesize reduction 60, result has 69.5 percent of original size [2021-07-09 21:41:35,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:35,944 INFO L142 QuantifierPusher]: treesize reduction 60, result has 60.5 percent of original size [2021-07-09 21:41:35,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:41:35,946 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.1 percent of original size [2021-07-09 21:41:35,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:35,983 INFO L142 QuantifierPusher]: treesize reduction 10, result has 93.2 percent of original size [2021-07-09 21:41:35,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:36,046 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:41:36,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:41:36,088 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:41:36,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:41:36,135 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.4 percent of original size [2021-07-09 21:41:36,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 21:41:36,182 INFO L142 QuantifierPusher]: treesize reduction 15, result has 84.7 percent of original size [2021-07-09 21:41:36,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-07-09 21:41:36,238 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:41:36,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:41:36,294 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:41:36,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:41:36,350 INFO L142 QuantifierPusher]: treesize reduction 15, result has 86.2 percent of original size [2021-07-09 21:41:36,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-07-09 21:41:36,394 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:41:36,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:41:36,395 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-07-09 21:41:36,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:41:36,433 INFO L142 QuantifierPusher]: treesize reduction 15, result has 83.5 percent of original size [2021-07-09 21:41:36,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:41:36,474 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:41:36,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:36,514 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:41:36,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:36,566 INFO L142 QuantifierPusher]: treesize reduction 56, result has 49.5 percent of original size [2021-07-09 21:41:36,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:41:36,625 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 21:41:36,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:36,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:36,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:36,681 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 21:41:36,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:36,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568353858] [2021-07-09 21:41:36,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568353858] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:36,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:36,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-07-09 21:41:36,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227000704] [2021-07-09 21:41:36,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-09 21:41:36,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:36,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-09 21:41:36,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1846, Unknown=0, NotChecked=0, Total=1980 [2021-07-09 21:41:36,684 INFO L87 Difference]: Start difference. First operand 6107 states and 12580 transitions. Second operand has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:41:37,618 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2021-07-09 21:41:38,331 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-09 21:41:38,495 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-07-09 21:41:38,718 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-07-09 21:41:38,921 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-09 21:41:39,274 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 69 [2021-07-09 21:41:39,476 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 67 [2021-07-09 21:41:39,859 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2021-07-09 21:41:40,065 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-07-09 21:41:40,858 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-07-09 21:41:41,063 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-07-09 21:41:41,472 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-09 21:41:41,695 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-07-09 21:41:41,945 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 88 [2021-07-09 21:41:42,134 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-07-09 21:41:43,061 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-07-09 21:41:43,470 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-07-09 21:41:43,658 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:41:43,823 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-09 21:41:43,960 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-07-09 21:41:44,148 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-07-09 21:41:44,315 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:41:44,481 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:41:44,651 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-09 21:41:44,814 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-09 21:41:44,967 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-07-09 21:41:45,149 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:41:45,300 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:41:45,503 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-07-09 21:41:45,640 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-09 21:41:45,825 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:41:46,002 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-09 21:41:46,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:46,806 INFO L93 Difference]: Finished difference Result 9384 states and 19722 transitions. [2021-07-09 21:41:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-07-09 21:41:46,807 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-07-09 21:41:46,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:46,817 INFO L225 Difference]: With dead ends: 9384 [2021-07-09 21:41:46,817 INFO L226 Difference]: Without dead ends: 8964 [2021-07-09 21:41:46,819 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 5 SyntacticMatches, 8 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 9585.6ms TimeCoverageRelationStatistics Valid=1644, Invalid=10346, Unknown=0, NotChecked=0, Total=11990 [2021-07-09 21:41:46,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8964 states. [2021-07-09 21:41:46,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8964 to 7431. [2021-07-09 21:41:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7431 states, 7429 states have (on average 2.067573024633194) internal successors, (15360), 7430 states have internal predecessors, (15360), 0 states have call successors, (0), 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 21:41:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7431 states to 7431 states and 15360 transitions. [2021-07-09 21:41:46,898 INFO L78 Accepts]: Start accepts. Automaton has 7431 states and 15360 transitions. Word has length 184 [2021-07-09 21:41:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:46,898 INFO L482 AbstractCegarLoop]: Abstraction has 7431 states and 15360 transitions. [2021-07-09 21:41:46,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:41:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7431 states and 15360 transitions. [2021-07-09 21:41:46,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-07-09 21:41:46,904 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:46,904 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:46,904 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-07-09 21:41:46,904 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:46,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:46,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1493240973, now seen corresponding path program 2 times [2021-07-09 21:41:46,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:46,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812119725] [2021-07-09 21:41:46,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:47,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:47,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:47,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:47,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:47,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:47,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:47,102 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-07-09 21:41:47,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:47,109 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-09 21:41:47,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:47,117 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:41:47,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:47,128 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:41:47,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:47,140 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-07-09 21:41:47,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:47,155 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-07-09 21:41:47,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:47,167 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-07-09 21:41:47,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:47,185 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-07-09 21:41:47,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:47,212 INFO L142 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size [2021-07-09 21:41:47,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:47,245 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-07-09 21:41:47,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:47,266 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-07-09 21:41:47,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:47,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-07-09 21:41:47,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 21:41:47,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:47,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:47,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:47,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:41:47,344 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:41:47,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:47,384 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:41:47,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:47,430 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.6 percent of original size [2021-07-09 21:41:47,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-07-09 21:41:47,482 INFO L142 QuantifierPusher]: treesize reduction 52, result has 50.0 percent of original size [2021-07-09 21:41:47,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:41:47,524 INFO L142 QuantifierPusher]: treesize reduction 52, result has 48.0 percent of original size [2021-07-09 21:41:47,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:41:47,563 INFO L142 QuantifierPusher]: treesize reduction 40, result has 65.5 percent of original size [2021-07-09 21:41:47,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:41:47,581 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.5 percent of original size [2021-07-09 21:41:47,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:41:47,582 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-07-09 21:41:47,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 21:41:47,620 INFO L142 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size [2021-07-09 21:41:47,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:41:47,660 INFO L142 QuantifierPusher]: treesize reduction 39, result has 64.5 percent of original size [2021-07-09 21:41:47,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-07-09 21:41:47,705 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.9 percent of original size [2021-07-09 21:41:47,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-07-09 21:41:47,749 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.8 percent of original size [2021-07-09 21:41:47,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 21:41:47,791 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-07-09 21:41:47,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-09 21:41:47,842 INFO L142 QuantifierPusher]: treesize reduction 37, result has 65.1 percent of original size [2021-07-09 21:41:47,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-07-09 21:41:47,896 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-07-09 21:41:47,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:41:47,918 INFO L142 QuantifierPusher]: treesize reduction 13, result has 88.5 percent of original size [2021-07-09 21:41:47,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-07-09 21:41:47,977 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.1 percent of original size [2021-07-09 21:41:47,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-07-09 21:41:48,046 INFO L142 QuantifierPusher]: treesize reduction 64, result has 64.0 percent of original size [2021-07-09 21:41:48,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-09 21:41:48,121 INFO L142 QuantifierPusher]: treesize reduction 72, result has 65.6 percent of original size [2021-07-09 21:41:48,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:48,191 INFO L142 QuantifierPusher]: treesize reduction 72, result has 56.1 percent of original size [2021-07-09 21:41:48,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:41:48,257 INFO L142 QuantifierPusher]: treesize reduction 60, result has 69.5 percent of original size [2021-07-09 21:41:48,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:48,293 INFO L142 QuantifierPusher]: treesize reduction 60, result has 60.5 percent of original size [2021-07-09 21:41:48,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:41:48,295 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.1 percent of original size [2021-07-09 21:41:48,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:48,334 INFO L142 QuantifierPusher]: treesize reduction 10, result has 93.2 percent of original size [2021-07-09 21:41:48,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:41:48,396 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:41:48,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:41:48,439 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:41:48,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:41:48,483 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.4 percent of original size [2021-07-09 21:41:48,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 21:41:48,531 INFO L142 QuantifierPusher]: treesize reduction 15, result has 84.7 percent of original size [2021-07-09 21:41:48,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-07-09 21:41:48,584 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:41:48,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:41:48,638 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:41:48,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:41:48,693 INFO L142 QuantifierPusher]: treesize reduction 15, result has 86.2 percent of original size [2021-07-09 21:41:48,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-07-09 21:41:48,737 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:41:48,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:41:48,739 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-07-09 21:41:48,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:41:48,777 INFO L142 QuantifierPusher]: treesize reduction 15, result has 83.5 percent of original size [2021-07-09 21:41:48,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:41:48,819 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:41:48,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:48,859 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:41:48,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:41:48,902 INFO L142 QuantifierPusher]: treesize reduction 56, result has 49.5 percent of original size [2021-07-09 21:41:48,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:41:48,961 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 21:41:48,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:49,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:49,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:49,014 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 21:41:49,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:41:49,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812119725] [2021-07-09 21:41:49,015 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812119725] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:41:49,015 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:41:49,015 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-07-09 21:41:49,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080459893] [2021-07-09 21:41:49,015 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-09 21:41:49,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:41:49,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-09 21:41:49,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1846, Unknown=0, NotChecked=0, Total=1980 [2021-07-09 21:41:49,016 INFO L87 Difference]: Start difference. First operand 7431 states and 15360 transitions. Second operand has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:41:50,297 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 57 [2021-07-09 21:41:50,465 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-09 21:41:50,700 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-07-09 21:41:50,917 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-07-09 21:41:51,118 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-09 21:41:51,555 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-07-09 21:41:51,773 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-07-09 21:41:52,284 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-07-09 21:41:53,322 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-07-09 21:41:53,532 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-07-09 21:41:53,931 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-09 21:41:54,158 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-07-09 21:41:54,404 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 88 [2021-07-09 21:41:55,283 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-07-09 21:41:55,548 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-07-09 21:41:55,962 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-07-09 21:41:56,158 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:41:56,331 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-09 21:41:56,476 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-07-09 21:41:56,665 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-07-09 21:41:56,831 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:41:56,999 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:41:57,168 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-09 21:41:57,330 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-09 21:41:57,487 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-07-09 21:41:57,687 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:41:57,838 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:41:58,034 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-07-09 21:41:58,171 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-09 21:41:58,365 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:41:58,545 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-09 21:41:59,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:41:59,374 INFO L93 Difference]: Finished difference Result 10620 states and 22327 transitions. [2021-07-09 21:41:59,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2021-07-09 21:41:59,374 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-07-09 21:41:59,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:41:59,387 INFO L225 Difference]: With dead ends: 10620 [2021-07-09 21:41:59,387 INFO L226 Difference]: Without dead ends: 10200 [2021-07-09 21:41:59,389 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 5 SyntacticMatches, 8 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3458 ImplicationChecksByTransitivity, 9590.8ms TimeCoverageRelationStatistics Valid=1686, Invalid=10970, Unknown=0, NotChecked=0, Total=12656 [2021-07-09 21:41:59,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10200 states. [2021-07-09 21:41:59,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10200 to 7431. [2021-07-09 21:41:59,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7431 states, 7429 states have (on average 2.067573024633194) internal successors, (15360), 7430 states have internal predecessors, (15360), 0 states have call successors, (0), 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 21:41:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7431 states to 7431 states and 15360 transitions. [2021-07-09 21:41:59,531 INFO L78 Accepts]: Start accepts. Automaton has 7431 states and 15360 transitions. Word has length 184 [2021-07-09 21:41:59,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:41:59,531 INFO L482 AbstractCegarLoop]: Abstraction has 7431 states and 15360 transitions. [2021-07-09 21:41:59,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:41:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 7431 states and 15360 transitions. [2021-07-09 21:41:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-07-09 21:41:59,537 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:41:59,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:41:59,537 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-07-09 21:41:59,537 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:41:59,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:41:59,538 INFO L82 PathProgramCache]: Analyzing trace with hash -498958813, now seen corresponding path program 3 times [2021-07-09 21:41:59,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:41:59,538 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134938908] [2021-07-09 21:41:59,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:41:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:41:59,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:59,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:41:59,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:59,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:41:59,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:59,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:41:59,719 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-07-09 21:41:59,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:41:59,727 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-09 21:41:59,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:41:59,735 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:41:59,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:59,745 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:41:59,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:41:59,757 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-07-09 21:41:59,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:41:59,772 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-07-09 21:41:59,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:41:59,784 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-07-09 21:41:59,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:41:59,800 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-07-09 21:41:59,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:41:59,826 INFO L142 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size [2021-07-09 21:41:59,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:59,859 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-07-09 21:41:59,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:41:59,880 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-07-09 21:41:59,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:41:59,900 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-07-09 21:41:59,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 21:41:59,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:59,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:41:59,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:41:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:41:59,956 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:41:59,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:41:59,997 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:41:59,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:42:00,037 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.6 percent of original size [2021-07-09 21:42:00,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-07-09 21:42:00,088 INFO L142 QuantifierPusher]: treesize reduction 52, result has 50.0 percent of original size [2021-07-09 21:42:00,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:42:00,130 INFO L142 QuantifierPusher]: treesize reduction 52, result has 48.0 percent of original size [2021-07-09 21:42:00,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:42:00,169 INFO L142 QuantifierPusher]: treesize reduction 40, result has 65.5 percent of original size [2021-07-09 21:42:00,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:42:00,187 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.5 percent of original size [2021-07-09 21:42:00,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:42:00,188 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-07-09 21:42:00,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 21:42:00,226 INFO L142 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size [2021-07-09 21:42:00,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:42:00,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:00,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-09 21:42:00,295 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.9 percent of original size [2021-07-09 21:42:00,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-07-09 21:42:00,338 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.8 percent of original size [2021-07-09 21:42:00,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 21:42:00,380 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-07-09 21:42:00,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-09 21:42:00,432 INFO L142 QuantifierPusher]: treesize reduction 37, result has 65.1 percent of original size [2021-07-09 21:42:00,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-07-09 21:42:00,486 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-07-09 21:42:00,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:42:00,507 INFO L142 QuantifierPusher]: treesize reduction 13, result has 88.5 percent of original size [2021-07-09 21:42:00,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-07-09 21:42:00,562 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.1 percent of original size [2021-07-09 21:42:00,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-07-09 21:42:00,624 INFO L142 QuantifierPusher]: treesize reduction 64, result has 64.0 percent of original size [2021-07-09 21:42:00,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-09 21:42:00,691 INFO L142 QuantifierPusher]: treesize reduction 72, result has 65.6 percent of original size [2021-07-09 21:42:00,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:00,779 INFO L142 QuantifierPusher]: treesize reduction 72, result has 56.1 percent of original size [2021-07-09 21:42:00,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:42:00,842 INFO L142 QuantifierPusher]: treesize reduction 60, result has 69.5 percent of original size [2021-07-09 21:42:00,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:00,879 INFO L142 QuantifierPusher]: treesize reduction 60, result has 60.5 percent of original size [2021-07-09 21:42:00,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:42:00,881 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.1 percent of original size [2021-07-09 21:42:00,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:00,917 INFO L142 QuantifierPusher]: treesize reduction 10, result has 93.2 percent of original size [2021-07-09 21:42:00,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:00,980 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:42:00,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:42:01,021 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:42:01,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:42:01,066 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.4 percent of original size [2021-07-09 21:42:01,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 21:42:01,113 INFO L142 QuantifierPusher]: treesize reduction 15, result has 84.7 percent of original size [2021-07-09 21:42:01,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-07-09 21:42:01,170 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:01,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:01,223 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:01,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:01,277 INFO L142 QuantifierPusher]: treesize reduction 15, result has 86.2 percent of original size [2021-07-09 21:42:01,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-07-09 21:42:01,320 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:01,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:01,321 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-07-09 21:42:01,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:42:01,358 INFO L142 QuantifierPusher]: treesize reduction 15, result has 83.5 percent of original size [2021-07-09 21:42:01,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:42:01,399 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:42:01,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:42:01,440 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:42:01,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:42:01,482 INFO L142 QuantifierPusher]: treesize reduction 56, result has 49.5 percent of original size [2021-07-09 21:42:01,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:42:01,540 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 21:42:01,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:42:01,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:01,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:42:01,591 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 21:42:01,591 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:42:01,591 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134938908] [2021-07-09 21:42:01,591 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134938908] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:42:01,591 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:42:01,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-07-09 21:42:01,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318365755] [2021-07-09 21:42:01,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-09 21:42:01,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:42:01,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-09 21:42:01,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1846, Unknown=0, NotChecked=0, Total=1980 [2021-07-09 21:42:01,593 INFO L87 Difference]: Start difference. First operand 7431 states and 15360 transitions. Second operand has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:42:03,148 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-09 21:42:03,311 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-07-09 21:42:03,518 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-07-09 21:42:03,750 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-09 21:42:04,178 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-07-09 21:42:04,386 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-07-09 21:42:05,718 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-07-09 21:42:05,938 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-07-09 21:42:06,155 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 66 [2021-07-09 21:42:06,358 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-09 21:42:06,591 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-07-09 21:42:06,860 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 88 [2021-07-09 21:42:08,037 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-07-09 21:42:08,364 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-07-09 21:42:08,529 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-07-09 21:42:08,738 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:42:08,918 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-09 21:42:09,061 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-07-09 21:42:09,252 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-07-09 21:42:09,422 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:42:09,589 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:42:09,771 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-09 21:42:09,957 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-09 21:42:10,114 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-07-09 21:42:10,312 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:42:10,464 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:42:10,666 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-07-09 21:42:10,804 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-09 21:42:11,010 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:42:11,193 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-09 21:42:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:42:12,040 INFO L93 Difference]: Finished difference Result 10996 states and 23156 transitions. [2021-07-09 21:42:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-07-09 21:42:12,040 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-07-09 21:42:12,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:42:12,053 INFO L225 Difference]: With dead ends: 10996 [2021-07-09 21:42:12,053 INFO L226 Difference]: Without dead ends: 10576 [2021-07-09 21:42:12,054 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 5 SyntacticMatches, 8 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3317 ImplicationChecksByTransitivity, 9360.1ms TimeCoverageRelationStatistics Valid=1635, Invalid=10575, Unknown=0, NotChecked=0, Total=12210 [2021-07-09 21:42:12,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10576 states. [2021-07-09 21:42:12,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10576 to 7431. [2021-07-09 21:42:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7431 states, 7429 states have (on average 2.067573024633194) internal successors, (15360), 7430 states have internal predecessors, (15360), 0 states have call successors, (0), 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 21:42:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7431 states to 7431 states and 15360 transitions. [2021-07-09 21:42:12,155 INFO L78 Accepts]: Start accepts. Automaton has 7431 states and 15360 transitions. Word has length 184 [2021-07-09 21:42:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:42:12,156 INFO L482 AbstractCegarLoop]: Abstraction has 7431 states and 15360 transitions. [2021-07-09 21:42:12,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:42:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 7431 states and 15360 transitions. [2021-07-09 21:42:12,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-07-09 21:42:12,161 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:42:12,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:42:12,162 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-07-09 21:42:12,162 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:42:12,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:42:12,162 INFO L82 PathProgramCache]: Analyzing trace with hash -2124129693, now seen corresponding path program 4 times [2021-07-09 21:42:12,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:42:12,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89661986] [2021-07-09 21:42:12,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:42:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:42:12,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:12,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:42:12,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:12,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:42:12,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:12,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:42:12,440 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-07-09 21:42:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:42:12,461 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-09 21:42:12,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:42:12,470 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:42:12,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:42:12,482 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:42:12,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:42:12,507 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-07-09 21:42:12,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:42:12,524 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-07-09 21:42:12,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:42:12,538 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-07-09 21:42:12,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:42:12,555 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-07-09 21:42:12,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:42:12,584 INFO L142 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size [2021-07-09 21:42:12,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:42:12,619 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-07-09 21:42:12,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:42:12,640 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-07-09 21:42:12,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:42:12,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-07-09 21:42:12,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 21:42:12,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:12,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:42:12,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:12,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:42:12,716 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:42:12,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:42:12,756 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:42:12,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:42:12,798 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.6 percent of original size [2021-07-09 21:42:12,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-07-09 21:42:12,848 INFO L142 QuantifierPusher]: treesize reduction 52, result has 50.0 percent of original size [2021-07-09 21:42:12,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:42:12,889 INFO L142 QuantifierPusher]: treesize reduction 52, result has 48.0 percent of original size [2021-07-09 21:42:12,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:42:12,925 INFO L142 QuantifierPusher]: treesize reduction 40, result has 65.5 percent of original size [2021-07-09 21:42:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:42:12,942 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.5 percent of original size [2021-07-09 21:42:12,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:42:12,943 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-07-09 21:42:12,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 21:42:12,979 INFO L142 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size [2021-07-09 21:42:12,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:42:13,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:13,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-09 21:42:13,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:13,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 21:42:13,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:13,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 21:42:13,110 INFO L142 QuantifierPusher]: treesize reduction 2, result has 97.1 percent of original size [2021-07-09 21:42:13,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-07-09 21:42:13,161 INFO L142 QuantifierPusher]: treesize reduction 37, result has 65.1 percent of original size [2021-07-09 21:42:13,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-07-09 21:42:13,213 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.9 percent of original size [2021-07-09 21:42:13,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:42:13,257 INFO L142 QuantifierPusher]: treesize reduction 13, result has 88.5 percent of original size [2021-07-09 21:42:13,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-07-09 21:42:13,315 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.1 percent of original size [2021-07-09 21:42:13,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-07-09 21:42:13,387 INFO L142 QuantifierPusher]: treesize reduction 64, result has 64.0 percent of original size [2021-07-09 21:42:13,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-09 21:42:13,464 INFO L142 QuantifierPusher]: treesize reduction 72, result has 65.6 percent of original size [2021-07-09 21:42:13,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:13,535 INFO L142 QuantifierPusher]: treesize reduction 72, result has 56.1 percent of original size [2021-07-09 21:42:13,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:42:13,598 INFO L142 QuantifierPusher]: treesize reduction 60, result has 69.5 percent of original size [2021-07-09 21:42:13,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:13,634 INFO L142 QuantifierPusher]: treesize reduction 60, result has 60.5 percent of original size [2021-07-09 21:42:13,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:42:13,636 INFO L142 QuantifierPusher]: treesize reduction 48, result has 74.1 percent of original size [2021-07-09 21:42:13,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:13,672 INFO L142 QuantifierPusher]: treesize reduction 10, result has 93.2 percent of original size [2021-07-09 21:42:13,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:13,735 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:42:13,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:42:13,776 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:42:13,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:42:13,819 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.4 percent of original size [2021-07-09 21:42:13,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 21:42:13,864 INFO L142 QuantifierPusher]: treesize reduction 15, result has 84.7 percent of original size [2021-07-09 21:42:13,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-07-09 21:42:13,918 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:13,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:13,972 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:13,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:14,025 INFO L142 QuantifierPusher]: treesize reduction 15, result has 86.2 percent of original size [2021-07-09 21:42:14,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-07-09 21:42:14,067 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:14,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:14,069 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-07-09 21:42:14,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:42:14,105 INFO L142 QuantifierPusher]: treesize reduction 15, result has 83.5 percent of original size [2021-07-09 21:42:14,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:42:14,146 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:42:14,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:42:14,190 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:42:14,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:42:14,232 INFO L142 QuantifierPusher]: treesize reduction 56, result has 49.5 percent of original size [2021-07-09 21:42:14,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:42:14,288 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 21:42:14,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:42:14,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:14,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:42:14,339 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 21:42:14,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:42:14,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89661986] [2021-07-09 21:42:14,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89661986] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:42:14,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:42:14,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2021-07-09 21:42:14,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654942227] [2021-07-09 21:42:14,340 INFO L462 AbstractCegarLoop]: Interpolant automaton has 46 states [2021-07-09 21:42:14,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:42:14,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-07-09 21:42:14,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1927, Unknown=0, NotChecked=0, Total=2070 [2021-07-09 21:42:14,341 INFO L87 Difference]: Start difference. First operand 7431 states and 15360 transitions. Second operand has 46 states, 46 states have (on average 4.0) internal successors, (184), 46 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:42:15,832 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-09 21:42:15,993 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-07-09 21:42:16,195 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-07-09 21:42:16,391 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-09 21:42:16,826 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-07-09 21:42:17,023 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-07-09 21:42:18,245 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-07-09 21:42:18,504 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-07-09 21:42:19,308 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-09 21:42:19,665 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-07-09 21:42:19,806 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2021-07-09 21:42:20,053 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 88 [2021-07-09 21:42:20,234 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 82 [2021-07-09 21:42:21,405 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-07-09 21:42:21,839 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-07-09 21:42:22,043 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:42:22,222 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-09 21:42:22,358 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-07-09 21:42:22,546 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-07-09 21:42:22,712 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:42:22,877 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:42:23,055 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-09 21:42:23,217 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-09 21:42:23,369 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-07-09 21:42:23,558 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:42:23,711 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:42:23,913 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-07-09 21:42:24,052 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-09 21:42:24,248 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:42:24,421 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-09 21:42:25,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:42:25,229 INFO L93 Difference]: Finished difference Result 12104 states and 25473 transitions. [2021-07-09 21:42:25,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-09 21:42:25,230 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 4.0) internal successors, (184), 46 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-07-09 21:42:25,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:42:25,244 INFO L225 Difference]: With dead ends: 12104 [2021-07-09 21:42:25,244 INFO L226 Difference]: Without dead ends: 11684 [2021-07-09 21:42:25,245 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 5 SyntacticMatches, 7 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3831 ImplicationChecksByTransitivity, 10071.8ms TimeCoverageRelationStatistics Valid=1845, Invalid=11961, Unknown=0, NotChecked=0, Total=13806 [2021-07-09 21:42:25,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11684 states. [2021-07-09 21:42:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11684 to 7511. [2021-07-09 21:42:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7511 states, 7509 states have (on average 2.0589958716207217) internal successors, (15461), 7510 states have internal predecessors, (15461), 0 states have call successors, (0), 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 21:42:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7511 states to 7511 states and 15461 transitions. [2021-07-09 21:42:25,338 INFO L78 Accepts]: Start accepts. Automaton has 7511 states and 15461 transitions. Word has length 184 [2021-07-09 21:42:25,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:42:25,338 INFO L482 AbstractCegarLoop]: Abstraction has 7511 states and 15461 transitions. [2021-07-09 21:42:25,338 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 46 states, 46 states have (on average 4.0) internal successors, (184), 46 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:42:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 7511 states and 15461 transitions. [2021-07-09 21:42:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-07-09 21:42:25,344 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:42:25,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:42:25,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-07-09 21:42:25,344 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:42:25,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:42:25,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1095990277, now seen corresponding path program 5 times [2021-07-09 21:42:25,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:42:25,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406094456] [2021-07-09 21:42:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:42:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-09 21:42:25,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:42:25,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:25,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-09 21:42:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-09 21:42:25,559 INFO L142 QuantifierPusher]: treesize reduction 4, result has 81.8 percent of original size [2021-07-09 21:42:25,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-07-09 21:42:25,566 INFO L142 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-07-09 21:42:25,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-09 21:42:25,574 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:42:25,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:42:25,585 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-09 21:42:25,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-09 21:42:25,596 INFO L142 QuantifierPusher]: treesize reduction 4, result has 90.0 percent of original size [2021-07-09 21:42:25,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-07-09 21:42:25,611 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-07-09 21:42:25,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-07-09 21:42:25,623 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-07-09 21:42:25,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-09 21:42:25,638 INFO L142 QuantifierPusher]: treesize reduction 38, result has 47.9 percent of original size [2021-07-09 21:42:25,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-07-09 21:42:25,665 INFO L142 QuantifierPusher]: treesize reduction 38, result has 53.7 percent of original size [2021-07-09 21:42:25,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:42:25,697 INFO L142 QuantifierPusher]: treesize reduction 13, result has 71.7 percent of original size [2021-07-09 21:42:25,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-07-09 21:42:25,718 INFO L142 QuantifierPusher]: treesize reduction 13, result has 69.8 percent of original size [2021-07-09 21:42:25,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:42:25,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size [2021-07-09 21:42:25,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-07-09 21:42:25,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:25,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-09 21:42:25,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:25,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-09 21:42:25,794 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:42:25,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:42:25,834 INFO L142 QuantifierPusher]: treesize reduction 31, result has 58.7 percent of original size [2021-07-09 21:42:25,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-09 21:42:25,873 INFO L142 QuantifierPusher]: treesize reduction 65, result has 53.6 percent of original size [2021-07-09 21:42:25,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-07-09 21:42:25,924 INFO L142 QuantifierPusher]: treesize reduction 52, result has 50.0 percent of original size [2021-07-09 21:42:25,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:42:25,965 INFO L142 QuantifierPusher]: treesize reduction 52, result has 48.0 percent of original size [2021-07-09 21:42:25,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:42:26,001 INFO L142 QuantifierPusher]: treesize reduction 40, result has 65.5 percent of original size [2021-07-09 21:42:26,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:42:26,019 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.5 percent of original size [2021-07-09 21:42:26,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-09 21:42:26,020 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-07-09 21:42:26,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-09 21:42:26,063 INFO L142 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size [2021-07-09 21:42:26,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-07-09 21:42:26,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:26,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-07-09 21:42:26,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:26,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-09 21:42:26,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:26,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-09 21:42:26,197 INFO L142 QuantifierPusher]: treesize reduction 35, result has 63.5 percent of original size [2021-07-09 21:42:26,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-07-09 21:42:26,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:26,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:42:26,253 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.8 percent of original size [2021-07-09 21:42:26,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:42:26,305 INFO L142 QuantifierPusher]: treesize reduction 13, result has 88.5 percent of original size [2021-07-09 21:42:26,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-07-09 21:42:26,369 INFO L142 QuantifierPusher]: treesize reduction 13, result has 89.1 percent of original size [2021-07-09 21:42:26,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-07-09 21:42:26,440 INFO L142 QuantifierPusher]: treesize reduction 62, result has 64.8 percent of original size [2021-07-09 21:42:26,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 114 [2021-07-09 21:42:26,520 INFO L142 QuantifierPusher]: treesize reduction 70, result has 66.2 percent of original size [2021-07-09 21:42:26,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:26,590 INFO L142 QuantifierPusher]: treesize reduction 70, result has 56.8 percent of original size [2021-07-09 21:42:26,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:42:26,653 INFO L142 QuantifierPusher]: treesize reduction 58, result has 70.3 percent of original size [2021-07-09 21:42:26,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:26,689 INFO L142 QuantifierPusher]: treesize reduction 58, result has 61.3 percent of original size [2021-07-09 21:42:26,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-07-09 21:42:26,691 INFO L142 QuantifierPusher]: treesize reduction 46, result has 74.9 percent of original size [2021-07-09 21:42:26,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:26,727 INFO L142 QuantifierPusher]: treesize reduction 10, result has 93.2 percent of original size [2021-07-09 21:42:26,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-07-09 21:42:26,788 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:42:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:42:26,831 INFO L142 QuantifierPusher]: treesize reduction 7, result has 86.5 percent of original size [2021-07-09 21:42:26,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-09 21:42:26,874 INFO L142 QuantifierPusher]: treesize reduction 17, result has 73.4 percent of original size [2021-07-09 21:42:26,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-07-09 21:42:26,920 INFO L142 QuantifierPusher]: treesize reduction 15, result has 84.7 percent of original size [2021-07-09 21:42:26,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-07-09 21:42:26,973 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:26,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:27,025 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:27,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:27,078 INFO L142 QuantifierPusher]: treesize reduction 15, result has 86.2 percent of original size [2021-07-09 21:42:27,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-07-09 21:42:27,121 INFO L142 QuantifierPusher]: treesize reduction 15, result has 82.4 percent of original size [2021-07-09 21:42:27,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-07-09 21:42:27,122 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.6 percent of original size [2021-07-09 21:42:27,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-07-09 21:42:27,159 INFO L142 QuantifierPusher]: treesize reduction 15, result has 83.5 percent of original size [2021-07-09 21:42:27,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-07-09 21:42:27,200 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:42:27,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:42:27,241 INFO L142 QuantifierPusher]: treesize reduction 7, result has 81.6 percent of original size [2021-07-09 21:42:27,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-07-09 21:42:27,283 INFO L142 QuantifierPusher]: treesize reduction 56, result has 49.5 percent of original size [2021-07-09 21:42:27,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-09 21:42:27,341 INFO L142 QuantifierPusher]: treesize reduction 51, result has 37.0 percent of original size [2021-07-09 21:42:27,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-09 21:42:27,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-09 21:42:27,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-09 21:42:27,393 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 21:42:27,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-09 21:42:27,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406094456] [2021-07-09 21:42:27,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406094456] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-09 21:42:27,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-09 21:42:27,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-07-09 21:42:27,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69057268] [2021-07-09 21:42:27,394 INFO L462 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-07-09 21:42:27,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-09 21:42:27,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-07-09 21:42:27,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1846, Unknown=0, NotChecked=0, Total=1980 [2021-07-09 21:42:27,395 INFO L87 Difference]: Start difference. First operand 7511 states and 15461 transitions. Second operand has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:42:28,932 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 60 [2021-07-09 21:42:29,100 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 62 [2021-07-09 21:42:29,298 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-07-09 21:42:29,487 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2021-07-09 21:42:29,907 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 65 [2021-07-09 21:42:30,105 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-07-09 21:42:31,536 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2021-07-09 21:42:31,807 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 68 [2021-07-09 21:42:32,009 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-07-09 21:42:32,597 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-09 21:42:32,963 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-07-09 21:42:33,222 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 88 [2021-07-09 21:42:34,433 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-07-09 21:42:34,861 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2021-07-09 21:42:35,061 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:42:35,256 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2021-07-09 21:42:35,467 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2021-07-09 21:42:35,622 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-07-09 21:42:35,787 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:42:35,954 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2021-07-09 21:42:36,149 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-09 21:42:36,308 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2021-07-09 21:42:36,464 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2021-07-09 21:42:36,641 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2021-07-09 21:42:36,834 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:42:36,981 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-07-09 21:42:37,198 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2021-07-09 21:42:37,424 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2021-07-09 21:42:37,582 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-09 21:42:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-09 21:42:38,447 INFO L93 Difference]: Finished difference Result 13021 states and 27419 transitions. [2021-07-09 21:42:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-09 21:42:38,447 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 184 [2021-07-09 21:42:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-09 21:42:38,463 INFO L225 Difference]: With dead ends: 13021 [2021-07-09 21:42:38,463 INFO L226 Difference]: Without dead ends: 12601 [2021-07-09 21:42:38,464 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 5 SyntacticMatches, 8 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3514 ImplicationChecksByTransitivity, 9761.1ms TimeCoverageRelationStatistics Valid=1710, Invalid=11172, Unknown=0, NotChecked=0, Total=12882 [2021-07-09 21:42:38,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12601 states. [2021-07-09 21:42:38,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12601 to 7543. [2021-07-09 21:42:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7543 states, 7541 states have (on average 2.0556955310966716) internal successors, (15502), 7542 states have internal predecessors, (15502), 0 states have call successors, (0), 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 21:42:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7543 states to 7543 states and 15502 transitions. [2021-07-09 21:42:38,561 INFO L78 Accepts]: Start accepts. Automaton has 7543 states and 15502 transitions. Word has length 184 [2021-07-09 21:42:38,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-09 21:42:38,561 INFO L482 AbstractCegarLoop]: Abstraction has 7543 states and 15502 transitions. [2021-07-09 21:42:38,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 45 states, 45 states have (on average 4.088888888888889) internal successors, (184), 45 states have internal predecessors, (184), 0 states have call successors, (0), 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 21:42:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 7543 states and 15502 transitions. [2021-07-09 21:42:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-07-09 21:42:38,567 INFO L500 BasicCegarLoop]: Found error trace [2021-07-09 21:42:38,567 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:42:38,567 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-07-09 21:42:38,568 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-09 21:42:38,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-09 21:42:38,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1477883173, now seen corresponding path program 6 times [2021-07-09 21:42:38,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-09 21:42:38,568 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247083099] [2021-07-09 21:42:38,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-09 21:42:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-07-09 21:55:09,770 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,848 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,849 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,850 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,851 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,852 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,853 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,854 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,855 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,856 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,857 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,858 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,859 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,860 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,861 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,862 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,863 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,864 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,865 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,866 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,867 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,869 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,870 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,871 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,872 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,873 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,874 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,875 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,876 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,877 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,878 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,879 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,880 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,881 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,882 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,883 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,884 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,885 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,885 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,885 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,885 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,886 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,887 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-07-09 21:55:09,889 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-07-09 21:55:09,889 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-09 21:55:09,889 INFO L301 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was TIMEOUT (3/3) [2021-07-09 21:55:09,889 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-09 21:55:09,890 WARN L196 ceAbstractionStarter]: Timeout [2021-07-09 21:55:09,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.07 09:55:09 BasicIcfg [2021-07-09 21:55:09,891 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-09 21:55:09,891 INFO L168 Benchmark]: Toolchain (without parser) took 854571.28 ms. Allocated memory was 199.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 160.6 MB in the beginning and 756.5 MB in the end (delta: -595.9 MB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2021-07-09 21:55:09,891 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 199.2 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-09 21:55:09,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.69 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 162.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. [2021-07-09 21:55:09,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.83 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 159.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-09 21:55:09,891 INFO L168 Benchmark]: Boogie Preprocessor took 56.12 ms. Allocated memory is still 199.2 MB. Free memory was 159.9 MB in the beginning and 157.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-09 21:55:09,891 INFO L168 Benchmark]: RCFGBuilder took 674.33 ms. Allocated memory is still 199.2 MB. Free memory was 157.3 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2021-07-09 21:55:09,891 INFO L168 Benchmark]: TraceAbstraction took 853215.68 ms. Allocated memory was 199.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 108.5 MB in the beginning and 756.5 MB in the end (delta: -648.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2021-07-09 21:55:09,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 199.2 MB. Free memory is still 178.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 538.69 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 162.6 MB in the end (delta: -2.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 66.83 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 159.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.12 ms. Allocated memory is still 199.2 MB. Free memory was 159.9 MB in the beginning and 157.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 674.33 ms. Allocated memory is still 199.2 MB. Free memory was 157.3 MB in the beginning and 109.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 853215.68 ms. Allocated memory was 199.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 108.5 MB in the beginning and 756.5 MB in the end (delta: -648.0 MB). Peak memory consumption was 1.9 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: 27537, positive: 25282, positive conditional: 25282, positive unconditional: 0, negative: 2255, negative conditional: 2255, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25779, positive: 25282, positive conditional: 0, positive unconditional: 25282, negative: 497, negative conditional: 0, negative unconditional: 497, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4441, positive: 4349, positive conditional: 0, positive unconditional: 4349, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4441, positive: 4347, positive conditional: 0, positive unconditional: 4347, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 94, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 169, negative conditional: 0, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25779, positive: 20933, positive conditional: 0, positive unconditional: 20933, negative: 405, negative conditional: 0, negative unconditional: 405, unknown: 4441, unknown conditional: 0, unknown unconditional: 4441] , Statistics on independence cache: Total cache size (in pairs): 4441, Positive cache size: 4349, Positive conditional cache size: 0, Positive unconditional cache size: 4349, Negative cache size: 92, Negative conditional cache size: 0, Negative unconditional cache size: 92, Independence queries for same thread: 1758 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 628, positive: 545, positive conditional: 545, positive unconditional: 0, negative: 83, negative conditional: 83, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 565, positive: 545, positive conditional: 0, positive unconditional: 545, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 565, positive: 545, positive conditional: 0, positive unconditional: 545, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 565, positive: 545, positive conditional: 0, positive unconditional: 545, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 565, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 565, unknown conditional: 0, unknown unconditional: 565] , Statistics on independence cache: Total cache size (in pairs): 565, Positive cache size: 545, Positive conditional cache size: 0, Positive unconditional cache size: 545, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 63 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 59532, positive: 55214, positive conditional: 55214, positive unconditional: 0, negative: 4318, negative conditional: 4318, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 56553, positive: 55214, positive conditional: 0, positive unconditional: 55214, negative: 1339, negative conditional: 0, negative unconditional: 1339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10435, positive: 10248, positive conditional: 0, positive unconditional: 10248, negative: 187, negative conditional: 0, negative unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10435, positive: 10239, positive conditional: 0, positive unconditional: 10239, negative: 196, negative conditional: 0, negative unconditional: 196, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 196, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 187, negative conditional: 0, negative unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 199, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 159, negative conditional: 0, negative unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 56553, positive: 44966, positive conditional: 0, positive unconditional: 44966, negative: 1152, negative conditional: 0, negative unconditional: 1152, unknown: 10435, unknown conditional: 0, unknown unconditional: 10435] , Statistics on independence cache: Total cache size (in pairs): 10435, Positive cache size: 10248, Positive conditional cache size: 0, Positive unconditional cache size: 10248, Negative cache size: 187, Negative conditional cache size: 0, Negative unconditional cache size: 187, Independence queries for same thread: 2979 - PositiveResult [Line: 1032]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1059]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 1043]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was analyzing trace of length 185 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 183 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14151.8ms, OverallIterations: 9, TraceHistogramMax: 1, EmptinessCheckTime: 125.5ms, AutomataDifference: 8720.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 816.5ms, PartialOrderReductionTime: 799.7ms, HoareTripleCheckerStatistics: 2299 SDtfs, 7914 SDslu, 14808 SDs, 0 SdLazy, 5604 SolverSat, 388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2372.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 27 SyntacticMatches, 5 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1550 ImplicationChecksByTransitivity, 6608.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12877occurred in iteration=0, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1614.0ms AutomataMinimizationTime, 9 MinimizatonAttempts, 5374 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.2ms SsaConstructionTime, 161.0ms SatisfiabilityAnalysisTime, 2519.8ms InterpolantComputationTime, 952 NumberOfCodeBlocks, 952 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 943 ConstructedInterpolants, 0 QuantifiedInterpolants, 8016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 63.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.4ms, AutomataDifference: 4.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 43.6ms, PartialOrderReductionTime: 37.9ms, HoareTripleCheckerStatistics: 172 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=696occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8ms SsaConstructionTime, 2.3ms SatisfiabilityAnalysisTime, 5.1ms InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 402 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 838840.9ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 122.6ms, AutomataDifference: 68740.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 797.4ms, PartialOrderReductionTime: 796.3ms, HoareTripleCheckerStatistics: 4264 SDtfs, 26507 SDslu, 58804 SDs, 0 SdLazy, 29003 SolverSat, 1513 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14567.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1012 GetRequests, 85 SyntacticMatches, 69 SemanticMatches, 858 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21462 ImplicationChecksByTransitivity, 63406.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22045occurred in iteration=0, InterpolantAutomatonStates: 532, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1574.1ms AutomataMinimizationTime, 13 MinimizatonAttempts, 22753 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 31.4ms SsaConstructionTime, 210.1ms SatisfiabilityAnalysisTime, 15964.9ms InterpolantComputationTime, 2156 NumberOfCodeBlocks, 2156 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2143 ConstructedInterpolants, 0 QuantifiedInterpolants, 69650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 could not prove your program: Timeout Completed graceful shutdown