/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_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-06 18:32:43,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-06 18:32:43,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-06 18:32:43,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-06 18:32:43,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-06 18:32:43,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-06 18:32:43,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-06 18:32:44,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-06 18:32:44,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-06 18:32:44,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-06 18:32:44,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-06 18:32:44,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-06 18:32:44,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-06 18:32:44,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-06 18:32:44,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-06 18:32:44,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-06 18:32:44,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-06 18:32:44,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-06 18:32:44,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-06 18:32:44,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-06 18:32:44,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-06 18:32:44,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-06 18:32:44,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-06 18:32:44,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-06 18:32:44,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-06 18:32:44,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-06 18:32:44,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-06 18:32:44,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-06 18:32:44,031 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 [2021-08-06 18:32:44,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-06 18:32:44,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-06 18:32:44,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-06 18:32:44,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-06 18:32:44,048 INFO L138 SettingsManager]: * Use SBE=true [2021-08-06 18:32:44,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-06 18:32:44,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-06 18:32:44,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-06 18:32:44,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-06 18:32:44,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-06 18:32:44,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-06 18:32:44,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-06 18:32:44,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-06 18:32:44,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-06 18:32:44,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 18:32:44,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-06 18:32:44,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-06 18:32:44,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-06 18:32:44,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-06 18:32:44,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-06 18:32:44,051 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-06 18:32:44,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-06 18:32:44,051 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-08-06 18:32:44,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-06 18:32:44,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-06 18:32:44,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-06 18:32:44,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-06 18:32:44,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-06 18:32:44,347 INFO L275 PluginConnector]: CDTParser initialized [2021-08-06 18:32:44,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2021-08-06 18:32:44,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1beeae550/c26e69a4bbdb49888678c19dda4734b1/FLAG10dfcfba2 [2021-08-06 18:32:45,208 INFO L306 CDTParser]: Found 1 translation units. [2021-08-06 18:32:45,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2021-08-06 18:32:45,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1beeae550/c26e69a4bbdb49888678c19dda4734b1/FLAG10dfcfba2 [2021-08-06 18:32:45,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1beeae550/c26e69a4bbdb49888678c19dda4734b1 [2021-08-06 18:32:45,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-06 18:32:45,457 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-06 18:32:45,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-06 18:32:45,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-06 18:32:45,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-06 18:32:45,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 06:32:45" (1/1) ... [2021-08-06 18:32:45,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6306d70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:45, skipping insertion in model container [2021-08-06 18:32:45,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.08 06:32:45" (1/1) ... [2021-08-06 18:32:45,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-06 18:32:45,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-06 18:32:45,931 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_longest.i[43296,43309] [2021-08-06 18:32:45,947 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_longest.i[43503,43516] [2021-08-06 18:32:45,975 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_longest.i[43783,43796] [2021-08-06 18:32:45,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 18:32:45,986 INFO L203 MainTranslator]: Completed pre-run [2021-08-06 18:32:46,038 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_longest.i[43296,43309] [2021-08-06 18:32:46,039 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_longest.i[43503,43516] [2021-08-06 18:32:46,041 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_longest.i[43783,43796] [2021-08-06 18:32:46,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-06 18:32:46,085 INFO L208 MainTranslator]: Completed translation [2021-08-06 18:32:46,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46 WrapperNode [2021-08-06 18:32:46,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-06 18:32:46,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-06 18:32:46,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-06 18:32:46,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-06 18:32:46,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-06 18:32:46,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-06 18:32:46,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-06 18:32:46,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-06 18:32:46,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-06 18:32:46,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-06 18:32:46,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-06 18:32:46,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-06 18:32:46,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (1/1) ... [2021-08-06 18:32:46,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-06 18:32:46,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-06 18:32:46,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-06 18:32:46,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-06 18:32:46,242 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-08-06 18:32:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-08-06 18:32:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-08-06 18:32:46,243 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-08-06 18:32:46,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-06 18:32:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-06 18:32:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-06 18:32:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-06 18:32:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-06 18:32:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-06 18:32:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-06 18:32:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-06 18:32:46,247 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-06 18:32:46,868 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-06 18:32:46,869 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-08-06 18:32:46,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 06:32:46 BoogieIcfgContainer [2021-08-06 18:32:46,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-06 18:32:46,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-06 18:32:46,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-06 18:32:46,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-06 18:32:46,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.08 06:32:45" (1/3) ... [2021-08-06 18:32:46,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2955732b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 06:32:46, skipping insertion in model container [2021-08-06 18:32:46,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.08 06:32:46" (2/3) ... [2021-08-06 18:32:46,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2955732b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.08 06:32:46, skipping insertion in model container [2021-08-06 18:32:46,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 06:32:46" (3/3) ... [2021-08-06 18:32:46,877 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2021-08-06 18:32:46,880 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-06 18:32:46,881 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-06 18:32:46,881 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-08-06 18:32:46,881 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-06 18:32:46,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,929 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,935 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,937 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,938 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,939 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,940 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,941 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,942 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,960 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,966 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,967 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,978 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,978 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,979 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,980 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,981 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,981 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-06 18:32:46,990 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-06 18:32:47,031 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork0 ======== [2021-08-06 18:32:47,041 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 18:32:47,041 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-06 18:32:47,895 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) [2021-08-06 18:32:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-08-06 18:32:47,923 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:47,924 INFO L512 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] [2021-08-06 18:32:47,924 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:47,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:47,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1202335304, now seen corresponding path program 1 times [2021-08-06 18:32:47,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:47,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938585226] [2021-08-06 18:32:47,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:47,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:48,254 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 51.7 percent of original size [2021-08-06 18:32:48,255 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 51.7 percent of original size [2021-08-06 18:32:48,265 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:48,267 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:48,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:48,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938585226] [2021-08-06 18:32:48,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938585226] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:48,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:48,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-06 18:32:48,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603987918] [2021-08-06 18:32:48,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-06 18:32:48,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:48,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-06 18:32:48,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-08-06 18:32:48,323 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) [2021-08-06 18:32:48,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:48,805 INFO L93 Difference]: Finished difference Result 12639 states and 15847 transitions. [2021-08-06 18:32:48,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:32:48,806 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 [2021-08-06 18:32:48,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:48,848 INFO L225 Difference]: With dead ends: 12639 [2021-08-06 18:32:48,848 INFO L226 Difference]: Without dead ends: 10575 [2021-08-06 18:32:48,849 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 232.8ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-08-06 18:32:48,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10575 states. [2021-08-06 18:32:49,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10575 to 10575. [2021-08-06 18:32:49,097 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) [2021-08-06 18:32:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10575 states to 10575 states and 13738 transitions. [2021-08-06 18:32:49,124 INFO L78 Accepts]: Start accepts. Automaton has 10575 states and 13738 transitions. Word has length 83 [2021-08-06 18:32:49,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:49,125 INFO L470 AbstractCegarLoop]: Abstraction has 10575 states and 13738 transitions. [2021-08-06 18:32:49,125 INFO L471 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) [2021-08-06 18:32:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 10575 states and 13738 transitions. [2021-08-06 18:32:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-08-06 18:32:49,129 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:49,130 INFO L512 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] [2021-08-06 18:32:49,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-06 18:32:49,130 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:49,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:49,131 INFO L82 PathProgramCache]: Analyzing trace with hash -519793342, now seen corresponding path program 1 times [2021-08-06 18:32:49,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:49,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115124483] [2021-08-06 18:32:49,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:49,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:49,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:49,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:49,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115124483] [2021-08-06 18:32:49,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115124483] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:49,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:49,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-06 18:32:49,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384486470] [2021-08-06 18:32:49,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-06 18:32:49,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:49,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-06 18:32:49,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-06 18:32:49,222 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) [2021-08-06 18:32:49,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:49,296 INFO L93 Difference]: Finished difference Result 10383 states and 13437 transitions. [2021-08-06 18:32:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 18:32:49,296 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 [2021-08-06 18:32:49,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:49,332 INFO L225 Difference]: With dead ends: 10383 [2021-08-06 18:32:49,333 INFO L226 Difference]: Without dead ends: 10383 [2021-08-06 18:32:49,333 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-06 18:32:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10383 states. [2021-08-06 18:32:49,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10383 to 10383. [2021-08-06 18:32:49,530 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) [2021-08-06 18:32:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10383 states to 10383 states and 13437 transitions. [2021-08-06 18:32:49,551 INFO L78 Accepts]: Start accepts. Automaton has 10383 states and 13437 transitions. Word has length 84 [2021-08-06 18:32:49,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:49,552 INFO L470 AbstractCegarLoop]: Abstraction has 10383 states and 13437 transitions. [2021-08-06 18:32:49,552 INFO L471 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) [2021-08-06 18:32:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 10383 states and 13437 transitions. [2021-08-06 18:32:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-08-06 18:32:49,560 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:49,560 INFO L512 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] [2021-08-06 18:32:49,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-06 18:32:49,560 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:49,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:49,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1566635638, now seen corresponding path program 1 times [2021-08-06 18:32:49,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:49,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248036887] [2021-08-06 18:32:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:49,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:49,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:49,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248036887] [2021-08-06 18:32:49,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248036887] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:49,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:49,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-06 18:32:49,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627284387] [2021-08-06 18:32:49,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-06 18:32:49,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:49,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-06 18:32:49,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-06 18:32:49,609 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) [2021-08-06 18:32:49,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:49,698 INFO L93 Difference]: Finished difference Result 10959 states and 14164 transitions. [2021-08-06 18:32:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-06 18:32:49,699 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 [2021-08-06 18:32:49,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:49,725 INFO L225 Difference]: With dead ends: 10959 [2021-08-06 18:32:49,725 INFO L226 Difference]: Without dead ends: 9807 [2021-08-06 18:32:49,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-06 18:32:49,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9807 states. [2021-08-06 18:32:49,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9807 to 9807. [2021-08-06 18:32:49,848 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) [2021-08-06 18:32:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9807 states to 9807 states and 12622 transitions. [2021-08-06 18:32:49,867 INFO L78 Accepts]: Start accepts. Automaton has 9807 states and 12622 transitions. Word has length 99 [2021-08-06 18:32:49,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:49,868 INFO L470 AbstractCegarLoop]: Abstraction has 9807 states and 12622 transitions. [2021-08-06 18:32:49,868 INFO L471 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) [2021-08-06 18:32:49,868 INFO L276 IsEmpty]: Start isEmpty. Operand 9807 states and 12622 transitions. [2021-08-06 18:32:49,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-08-06 18:32:49,875 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:49,875 INFO L512 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] [2021-08-06 18:32:49,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-06 18:32:49,875 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:49,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:49,876 INFO L82 PathProgramCache]: Analyzing trace with hash 665135446, now seen corresponding path program 1 times [2021-08-06 18:32:49,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:49,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248484981] [2021-08-06 18:32:49,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:49,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:50,115 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 62.2 percent of original size [2021-08-06 18:32:50,119 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 62.2 percent of original size [2021-08-06 18:32:50,199 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:32:50,201 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:32:50,217 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 59.5 percent of original size [2021-08-06 18:32:50,220 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 59.5 percent of original size [2021-08-06 18:32:50,239 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:32:50,240 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:32:50,246 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:32:50,250 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:32:50,264 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:32:50,265 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:32:50,271 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 43.8 percent of original size [2021-08-06 18:32:50,284 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 43.8 percent of original size [2021-08-06 18:32:50,300 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:32:50,302 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:32:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:50,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:50,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248484981] [2021-08-06 18:32:50,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248484981] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:50,306 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:50,306 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-06 18:32:50,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896227073] [2021-08-06 18:32:50,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-06 18:32:50,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:50,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-06 18:32:50,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-08-06 18:32:50,307 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) [2021-08-06 18:32:51,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:51,045 INFO L93 Difference]: Finished difference Result 10171 states and 13111 transitions. [2021-08-06 18:32:51,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 18:32:51,046 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 [2021-08-06 18:32:51,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:51,066 INFO L225 Difference]: With dead ends: 10171 [2021-08-06 18:32:51,066 INFO L226 Difference]: Without dead ends: 10171 [2021-08-06 18:32:51,067 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 526.0ms TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2021-08-06 18:32:51,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10171 states. [2021-08-06 18:32:51,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10171 to 9984. [2021-08-06 18:32:51,227 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) [2021-08-06 18:32:51,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9984 states to 9984 states and 12860 transitions. [2021-08-06 18:32:51,243 INFO L78 Accepts]: Start accepts. Automaton has 9984 states and 12860 transitions. Word has length 100 [2021-08-06 18:32:51,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:51,243 INFO L470 AbstractCegarLoop]: Abstraction has 9984 states and 12860 transitions. [2021-08-06 18:32:51,243 INFO L471 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) [2021-08-06 18:32:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 9984 states and 12860 transitions. [2021-08-06 18:32:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-08-06 18:32:51,253 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:51,253 INFO L512 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] [2021-08-06 18:32:51,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-06 18:32:51,253 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:51,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:51,254 INFO L82 PathProgramCache]: Analyzing trace with hash -193737476, now seen corresponding path program 1 times [2021-08-06 18:32:51,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:51,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625579710] [2021-08-06 18:32:51,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:51,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:51,570 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 16, result has 62.8 percent of original size [2021-08-06 18:32:51,577 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 16, result has 62.8 percent of original size [2021-08-06 18:32:51,608 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 16, result has 69.2 percent of original size [2021-08-06 18:32:51,612 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 16, result has 69.2 percent of original size [2021-08-06 18:32:51,825 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 29, result has 50.8 percent of original size [2021-08-06 18:32:51,841 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 29, result has 50.8 percent of original size [2021-08-06 18:32:51,875 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 46, result has 54.5 percent of original size [2021-08-06 18:32:51,893 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 46, result has 54.5 percent of original size [2021-08-06 18:32:51,931 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 36, result has 45.5 percent of original size [2021-08-06 18:32:51,934 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 36, result has 45.5 percent of original size [2021-08-06 18:32:51,945 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 59.5 percent of original size [2021-08-06 18:32:51,948 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 59.5 percent of original size [2021-08-06 18:32:51,982 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 50.0 percent of original size [2021-08-06 18:32:51,986 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 50.0 percent of original size [2021-08-06 18:32:51,997 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 44.4 percent of original size [2021-08-06 18:32:51,999 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 44.4 percent of original size [2021-08-06 18:32:52,037 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 39, result has 44.3 percent of original size [2021-08-06 18:32:52,041 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 39, result has 44.3 percent of original size [2021-08-06 18:32:52,154 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:32:52,155 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:32:52,180 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:32:52,181 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:32:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:52,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:52,241 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625579710] [2021-08-06 18:32:52,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625579710] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:52,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:52,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-08-06 18:32:52,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805994186] [2021-08-06 18:32:52,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-08-06 18:32:52,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:52,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-08-06 18:32:52,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=628, Unknown=0, NotChecked=0, Total=702 [2021-08-06 18:32:52,244 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) [2021-08-06 18:32:54,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:54,415 INFO L93 Difference]: Finished difference Result 10121 states and 13008 transitions. [2021-08-06 18:32:54,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-06 18:32:54,415 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 [2021-08-06 18:32:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:54,433 INFO L225 Difference]: With dead ends: 10121 [2021-08-06 18:32:54,433 INFO L226 Difference]: Without dead ends: 9929 [2021-08-06 18:32:54,434 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 1769.6ms TimeCoverageRelationStatistics Valid=466, Invalid=1984, Unknown=0, NotChecked=0, Total=2450 [2021-08-06 18:32:54,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9929 states. [2021-08-06 18:32:54,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9929 to 9929. [2021-08-06 18:32:54,553 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) [2021-08-06 18:32:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9929 states to 9929 states and 12794 transitions. [2021-08-06 18:32:54,566 INFO L78 Accepts]: Start accepts. Automaton has 9929 states and 12794 transitions. Word has length 104 [2021-08-06 18:32:54,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:54,567 INFO L470 AbstractCegarLoop]: Abstraction has 9929 states and 12794 transitions. [2021-08-06 18:32:54,567 INFO L471 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) [2021-08-06 18:32:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 9929 states and 12794 transitions. [2021-08-06 18:32:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-08-06 18:32:54,575 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:54,575 INFO L512 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] [2021-08-06 18:32:54,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-06 18:32:54,575 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:54,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:54,576 INFO L82 PathProgramCache]: Analyzing trace with hash 939755092, now seen corresponding path program 1 times [2021-08-06 18:32:54,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:54,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359490858] [2021-08-06 18:32:54,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:54,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:54,694 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 48.3 percent of original size [2021-08-06 18:32:54,698 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 48.3 percent of original size [2021-08-06 18:32:54,710 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 48.0 percent of original size [2021-08-06 18:32:54,712 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 48.0 percent of original size [2021-08-06 18:32:54,724 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 58.1 percent of original size [2021-08-06 18:32:54,726 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 58.1 percent of original size [2021-08-06 18:32:54,742 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 58.1 percent of original size [2021-08-06 18:32:54,743 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 58.1 percent of original size [2021-08-06 18:32:54,760 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 71.1 percent of original size [2021-08-06 18:32:54,764 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 71.1 percent of original size [2021-08-06 18:32:54,789 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 59.4 percent of original size [2021-08-06 18:32:54,791 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 59.4 percent of original size [2021-08-06 18:32:54,812 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 65.8 percent of original size [2021-08-06 18:32:54,815 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 65.8 percent of original size [2021-08-06 18:32:54,842 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 74.1 percent of original size [2021-08-06 18:32:54,852 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 74.1 percent of original size [2021-08-06 18:32:54,882 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 59.4 percent of original size [2021-08-06 18:32:54,884 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 59.4 percent of original size [2021-08-06 18:32:54,946 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 50.0 percent of original size [2021-08-06 18:32:54,947 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 50.0 percent of original size [2021-08-06 18:32:54,963 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 19, result has 54.8 percent of original size [2021-08-06 18:32:54,968 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 19, result has 54.8 percent of original size [2021-08-06 18:32:54,986 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 50.0 percent of original size [2021-08-06 18:32:54,987 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 50.0 percent of original size [2021-08-06 18:32:54,990 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 61.1 percent of original size [2021-08-06 18:32:54,991 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 61.1 percent of original size [2021-08-06 18:32:55,004 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:55,005 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:55,017 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 53.3 percent of original size [2021-08-06 18:32:55,017 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 53.3 percent of original size [2021-08-06 18:32:55,030 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:55,031 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:32:55,034 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 17.6 percent of original size [2021-08-06 18:32:55,034 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 17.6 percent of original size [2021-08-06 18:32:55,064 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:32:55,065 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:32:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:55,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:55,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359490858] [2021-08-06 18:32:55,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359490858] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:55,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:55,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-06 18:32:55,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539252216] [2021-08-06 18:32:55,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-08-06 18:32:55,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:55,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-06 18:32:55,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2021-08-06 18:32:55,075 INFO L87 Difference]: Start difference. First operand 9929 states and 12794 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 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) [2021-08-06 18:32:55,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:32:55,990 INFO L93 Difference]: Finished difference Result 12435 states and 15840 transitions. [2021-08-06 18:32:55,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-06 18:32:55,991 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 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 [2021-08-06 18:32:55,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:32:56,014 INFO L225 Difference]: With dead ends: 12435 [2021-08-06 18:32:56,014 INFO L226 Difference]: Without dead ends: 12435 [2021-08-06 18:32:56,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 712.3ms TimeCoverageRelationStatistics Valid=263, Invalid=729, Unknown=0, NotChecked=0, Total=992 [2021-08-06 18:32:56,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12435 states. [2021-08-06 18:32:56,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12435 to 10930. [2021-08-06 18:32:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10930 states, 10922 states have (on average 1.287493133125801) internal successors, (14062), 10929 states have internal predecessors, (14062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:32:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10930 states to 10930 states and 14062 transitions. [2021-08-06 18:32:56,179 INFO L78 Accepts]: Start accepts. Automaton has 10930 states and 14062 transitions. Word has length 105 [2021-08-06 18:32:56,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:32:56,179 INFO L470 AbstractCegarLoop]: Abstraction has 10930 states and 14062 transitions. [2021-08-06 18:32:56,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 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) [2021-08-06 18:32:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 10930 states and 14062 transitions. [2021-08-06 18:32:56,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-08-06 18:32:56,191 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:32:56,191 INFO L512 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] [2021-08-06 18:32:56,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-06 18:32:56,192 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:32:56,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:32:56,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1002472710, now seen corresponding path program 1 times [2021-08-06 18:32:56,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:32:56,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449836392] [2021-08-06 18:32:56,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:32:56,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:32:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:32:56,378 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 54.5 percent of original size [2021-08-06 18:32:56,379 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 54.5 percent of original size [2021-08-06 18:32:56,393 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 55.2 percent of original size [2021-08-06 18:32:56,394 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 55.2 percent of original size [2021-08-06 18:32:56,407 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:32:56,409 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:32:56,430 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:32:56,432 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:32:56,452 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 73.5 percent of original size [2021-08-06 18:32:56,454 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 73.5 percent of original size [2021-08-06 18:32:56,479 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:32:56,481 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:32:56,546 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 69.0 percent of original size [2021-08-06 18:32:56,553 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 69.0 percent of original size [2021-08-06 18:32:56,585 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 22, result has 66.7 percent of original size [2021-08-06 18:32:56,593 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 22, result has 66.7 percent of original size [2021-08-06 18:32:56,630 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 22, result has 70.7 percent of original size [2021-08-06 18:32:56,639 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 22, result has 70.7 percent of original size [2021-08-06 18:32:56,679 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 71.7 percent of original size [2021-08-06 18:32:56,681 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 71.7 percent of original size [2021-08-06 18:32:56,711 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 69.8 percent of original size [2021-08-06 18:32:56,714 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 69.8 percent of original size [2021-08-06 18:32:56,802 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 4, result has 90.2 percent of original size [2021-08-06 18:32:56,813 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 4, result has 90.2 percent of original size [2021-08-06 18:32:56,857 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 53.1 percent of original size [2021-08-06 18:32:56,860 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 53.1 percent of original size [2021-08-06 18:32:56,906 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 36, result has 61.7 percent of original size [2021-08-06 18:32:56,912 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 36, result has 61.7 percent of original size [2021-08-06 18:32:56,959 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 35, result has 49.3 percent of original size [2021-08-06 18:32:56,962 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 35, result has 49.3 percent of original size [2021-08-06 18:32:56,976 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 35, result has 58.8 percent of original size [2021-08-06 18:32:56,980 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 35, result has 58.8 percent of original size [2021-08-06 18:32:57,011 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 35, result has 46.2 percent of original size [2021-08-06 18:32:57,014 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 35, result has 46.2 percent of original size [2021-08-06 18:32:57,045 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 29, result has 60.3 percent of original size [2021-08-06 18:32:57,049 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 29, result has 60.3 percent of original size [2021-08-06 18:32:57,075 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 29, result has 50.8 percent of original size [2021-08-06 18:32:57,078 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 29, result has 50.8 percent of original size [2021-08-06 18:32:57,090 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 29, result has 45.3 percent of original size [2021-08-06 18:32:57,093 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 29, result has 45.3 percent of original size [2021-08-06 18:32:57,124 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 34, result has 47.7 percent of original size [2021-08-06 18:32:57,127 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 34, result has 47.7 percent of original size [2021-08-06 18:32:57,227 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:32:57,228 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:32:57,253 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:32:57,254 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:32:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:32:57,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:32:57,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449836392] [2021-08-06 18:32:57,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449836392] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:32:57,302 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:32:57,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-08-06 18:32:57,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510907293] [2021-08-06 18:32:57,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-06 18:32:57,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:32:57,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-06 18:32:57,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=732, Unknown=0, NotChecked=0, Total=812 [2021-08-06 18:32:57,303 INFO L87 Difference]: Start difference. First operand 10930 states and 14062 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) [2021-08-06 18:33:00,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:00,082 INFO L93 Difference]: Finished difference Result 15035 states and 19079 transitions. [2021-08-06 18:33:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:33:00,082 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 [2021-08-06 18:33:00,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:00,101 INFO L225 Difference]: With dead ends: 15035 [2021-08-06 18:33:00,101 INFO L226 Difference]: Without dead ends: 14596 [2021-08-06 18:33:00,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 510 ImplicationChecksByTransitivity, 2042.9ms TimeCoverageRelationStatistics Valid=557, Invalid=2305, Unknown=0, NotChecked=0, Total=2862 [2021-08-06 18:33:00,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14596 states. [2021-08-06 18:33:00,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14596 to 12467. [2021-08-06 18:33:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12467 states, 12459 states have (on average 1.2885464322979372) internal successors, (16054), 12466 states have internal predecessors, (16054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:00,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12467 states to 12467 states and 16054 transitions. [2021-08-06 18:33:00,284 INFO L78 Accepts]: Start accepts. Automaton has 12467 states and 16054 transitions. Word has length 109 [2021-08-06 18:33:00,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:00,284 INFO L470 AbstractCegarLoop]: Abstraction has 12467 states and 16054 transitions. [2021-08-06 18:33:00,285 INFO L471 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) [2021-08-06 18:33:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 12467 states and 16054 transitions. [2021-08-06 18:33:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-08-06 18:33:00,296 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:00,296 INFO L512 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] [2021-08-06 18:33:00,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-06 18:33:00,296 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:00,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:00,297 INFO L82 PathProgramCache]: Analyzing trace with hash 830333906, now seen corresponding path program 2 times [2021-08-06 18:33:00,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:00,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920719601] [2021-08-06 18:33:00,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:00,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:00,410 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 54.5 percent of original size [2021-08-06 18:33:00,412 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 54.5 percent of original size [2021-08-06 18:33:00,423 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 55.2 percent of original size [2021-08-06 18:33:00,425 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 55.2 percent of original size [2021-08-06 18:33:00,438 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:00,440 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:00,492 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:00,494 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:00,522 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 73.5 percent of original size [2021-08-06 18:33:00,524 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 73.5 percent of original size [2021-08-06 18:33:00,554 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:33:00,556 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:33:00,578 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 69.0 percent of original size [2021-08-06 18:33:00,580 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 69.0 percent of original size [2021-08-06 18:33:00,611 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 64.7 percent of original size [2021-08-06 18:33:00,616 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 64.7 percent of original size [2021-08-06 18:33:00,650 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 68.8 percent of original size [2021-08-06 18:33:00,655 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 68.8 percent of original size [2021-08-06 18:33:00,695 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 71.7 percent of original size [2021-08-06 18:33:00,697 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 71.7 percent of original size [2021-08-06 18:33:00,732 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 69.8 percent of original size [2021-08-06 18:33:00,734 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 69.8 percent of original size [2021-08-06 18:33:00,837 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 4, result has 90.2 percent of original size [2021-08-06 18:33:00,839 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 4, result has 90.2 percent of original size [2021-08-06 18:33:00,873 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 28, result has 54.8 percent of original size [2021-08-06 18:33:00,875 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 28, result has 54.8 percent of original size [2021-08-06 18:33:00,910 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 47, result has 55.2 percent of original size [2021-08-06 18:33:00,914 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 47, result has 55.2 percent of original size [2021-08-06 18:33:00,961 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 37, result has 47.9 percent of original size [2021-08-06 18:33:00,964 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 37, result has 47.9 percent of original size [2021-08-06 18:33:00,979 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 31, result has 60.8 percent of original size [2021-08-06 18:33:00,982 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 31, result has 60.8 percent of original size [2021-08-06 18:33:01,010 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 31, result has 52.3 percent of original size [2021-08-06 18:33:01,013 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 31, result has 52.3 percent of original size [2021-08-06 18:33:01,028 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 31, result has 47.5 percent of original size [2021-08-06 18:33:01,031 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 31, result has 47.5 percent of original size [2021-08-06 18:33:01,063 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 46, result has 43.2 percent of original size [2021-08-06 18:33:01,067 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 46, result has 43.2 percent of original size [2021-08-06 18:33:01,230 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:01,231 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:01,254 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:01,254 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:01,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:01,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:01,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920719601] [2021-08-06 18:33:01,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920719601] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:01,299 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:01,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-08-06 18:33:01,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780529831] [2021-08-06 18:33:01,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-06 18:33:01,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:01,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-06 18:33:01,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-08-06 18:33:01,300 INFO L87 Difference]: Start difference. First operand 12467 states and 16054 transitions. Second operand has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 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) [2021-08-06 18:33:04,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:04,105 INFO L93 Difference]: Finished difference Result 15059 states and 19118 transitions. [2021-08-06 18:33:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:33:04,106 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 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 [2021-08-06 18:33:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:04,123 INFO L225 Difference]: With dead ends: 15059 [2021-08-06 18:33:04,123 INFO L226 Difference]: Without dead ends: 14752 [2021-08-06 18:33:04,123 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 2072.3ms TimeCoverageRelationStatistics Valid=563, Invalid=2407, Unknown=0, NotChecked=0, Total=2970 [2021-08-06 18:33:04,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14752 states. [2021-08-06 18:33:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14752 to 12428. [2021-08-06 18:33:04,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12428 states, 12420 states have (on average 1.288244766505636) internal successors, (16000), 12427 states have internal predecessors, (16000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12428 states to 12428 states and 16000 transitions. [2021-08-06 18:33:04,311 INFO L78 Accepts]: Start accepts. Automaton has 12428 states and 16000 transitions. Word has length 109 [2021-08-06 18:33:04,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:04,311 INFO L470 AbstractCegarLoop]: Abstraction has 12428 states and 16000 transitions. [2021-08-06 18:33:04,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 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) [2021-08-06 18:33:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 12428 states and 16000 transitions. [2021-08-06 18:33:04,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-08-06 18:33:04,322 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:04,323 INFO L512 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] [2021-08-06 18:33:04,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-06 18:33:04,323 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:04,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:04,323 INFO L82 PathProgramCache]: Analyzing trace with hash -518057044, now seen corresponding path program 3 times [2021-08-06 18:33:04,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:04,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540213273] [2021-08-06 18:33:04,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:04,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:04,460 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 54.5 percent of original size [2021-08-06 18:33:04,461 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 54.5 percent of original size [2021-08-06 18:33:04,473 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 55.2 percent of original size [2021-08-06 18:33:04,474 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 55.2 percent of original size [2021-08-06 18:33:04,487 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:04,488 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:04,509 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:04,510 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 62.9 percent of original size [2021-08-06 18:33:04,530 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 73.5 percent of original size [2021-08-06 18:33:04,532 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 73.5 percent of original size [2021-08-06 18:33:04,556 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:33:04,558 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:33:04,576 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 69.0 percent of original size [2021-08-06 18:33:04,578 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 69.0 percent of original size [2021-08-06 18:33:04,603 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 64.7 percent of original size [2021-08-06 18:33:04,607 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 64.7 percent of original size [2021-08-06 18:33:04,639 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 68.8 percent of original size [2021-08-06 18:33:04,644 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 68.8 percent of original size [2021-08-06 18:33:04,681 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 71.7 percent of original size [2021-08-06 18:33:04,683 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 71.7 percent of original size [2021-08-06 18:33:04,709 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 69.8 percent of original size [2021-08-06 18:33:04,711 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 69.8 percent of original size [2021-08-06 18:33:04,785 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 4, result has 90.2 percent of original size [2021-08-06 18:33:04,788 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 4, result has 90.2 percent of original size [2021-08-06 18:33:04,816 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 28, result has 54.8 percent of original size [2021-08-06 18:33:04,818 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 28, result has 54.8 percent of original size [2021-08-06 18:33:04,848 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 47, result has 55.2 percent of original size [2021-08-06 18:33:04,853 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 47, result has 55.2 percent of original size [2021-08-06 18:33:04,891 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 37, result has 47.9 percent of original size [2021-08-06 18:33:04,894 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 37, result has 47.9 percent of original size [2021-08-06 18:33:04,904 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 31, result has 60.8 percent of original size [2021-08-06 18:33:04,907 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 31, result has 60.8 percent of original size [2021-08-06 18:33:04,930 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 31, result has 52.3 percent of original size [2021-08-06 18:33:04,932 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 31, result has 52.3 percent of original size [2021-08-06 18:33:04,943 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 31, result has 47.5 percent of original size [2021-08-06 18:33:04,945 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 31, result has 47.5 percent of original size [2021-08-06 18:33:04,974 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 46, result has 43.2 percent of original size [2021-08-06 18:33:04,978 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 46, result has 43.2 percent of original size [2021-08-06 18:33:05,078 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 10, result has 70.6 percent of original size [2021-08-06 18:33:05,079 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 10, result has 70.6 percent of original size [2021-08-06 18:33:05,103 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 80.0 percent of original size [2021-08-06 18:33:05,104 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 80.0 percent of original size [2021-08-06 18:33:05,128 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:05,129 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:05,155 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:05,157 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:05,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:05,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540213273] [2021-08-06 18:33:05,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540213273] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:05,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:05,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2021-08-06 18:33:05,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122857848] [2021-08-06 18:33:05,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-08-06 18:33:05,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:05,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-08-06 18:33:05,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=788, Unknown=0, NotChecked=0, Total=870 [2021-08-06 18:33:05,211 INFO L87 Difference]: Start difference. First operand 12428 states and 16000 transitions. Second operand has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 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) [2021-08-06 18:33:08,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:08,200 INFO L93 Difference]: Finished difference Result 13414 states and 17012 transitions. [2021-08-06 18:33:08,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-08-06 18:33:08,200 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 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 [2021-08-06 18:33:08,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:08,214 INFO L225 Difference]: With dead ends: 13414 [2021-08-06 18:33:08,214 INFO L226 Difference]: Without dead ends: 13125 [2021-08-06 18:33:08,215 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 2055.3ms TimeCoverageRelationStatistics Valid=561, Invalid=2409, Unknown=0, NotChecked=0, Total=2970 [2021-08-06 18:33:08,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13125 states. [2021-08-06 18:33:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13125 to 12259. [2021-08-06 18:33:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12259 states, 12251 states have (on average 1.2870786058280956) internal successors, (15768), 12258 states have internal predecessors, (15768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12259 states to 12259 states and 15768 transitions. [2021-08-06 18:33:08,400 INFO L78 Accepts]: Start accepts. Automaton has 12259 states and 15768 transitions. Word has length 109 [2021-08-06 18:33:08,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:08,400 INFO L470 AbstractCegarLoop]: Abstraction has 12259 states and 15768 transitions. [2021-08-06 18:33:08,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.6333333333333333) internal successors, (109), 30 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) [2021-08-06 18:33:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 12259 states and 15768 transitions. [2021-08-06 18:33:08,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-08-06 18:33:08,414 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:08,414 INFO L512 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] [2021-08-06 18:33:08,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-06 18:33:08,415 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:08,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:08,415 INFO L82 PathProgramCache]: Analyzing trace with hash 941908359, now seen corresponding path program 1 times [2021-08-06 18:33:08,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:08,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898652238] [2021-08-06 18:33:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:08,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:08,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:08,461 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898652238] [2021-08-06 18:33:08,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898652238] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:08,461 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:08,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 18:33:08,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131496126] [2021-08-06 18:33:08,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 18:33:08,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:08,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 18:33:08,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:33:08,462 INFO L87 Difference]: Start difference. First operand 12259 states and 15768 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) [2021-08-06 18:33:08,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:08,476 INFO L93 Difference]: Finished difference Result 2929 states and 3257 transitions. [2021-08-06 18:33:08,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 18:33:08,477 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 [2021-08-06 18:33:08,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:08,478 INFO L225 Difference]: With dead ends: 2929 [2021-08-06 18:33:08,478 INFO L226 Difference]: Without dead ends: 856 [2021-08-06 18:33:08,478 INFO L781 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 [2021-08-06 18:33:08,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2021-08-06 18:33:08,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2021-08-06 18:33:08,484 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) [2021-08-06 18:33:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 957 transitions. [2021-08-06 18:33:08,485 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 957 transitions. Word has length 126 [2021-08-06 18:33:08,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:08,485 INFO L470 AbstractCegarLoop]: Abstraction has 856 states and 957 transitions. [2021-08-06 18:33:08,485 INFO L471 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) [2021-08-06 18:33:08,485 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 957 transitions. [2021-08-06 18:33:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-08-06 18:33:08,487 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:08,487 INFO L512 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] [2021-08-06 18:33:08,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-06 18:33:08,487 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:08,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:08,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1485990761, now seen corresponding path program 1 times [2021-08-06 18:33:08,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:08,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110754126] [2021-08-06 18:33:08,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:08,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:08,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:08,529 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110754126] [2021-08-06 18:33:08,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110754126] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:08,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:08,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 18:33:08,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331408649] [2021-08-06 18:33:08,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 18:33:08,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:08,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 18:33:08,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:33:08,531 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) [2021-08-06 18:33:08,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:08,533 INFO L93 Difference]: Finished difference Result 106 states and 109 transitions. [2021-08-06 18:33:08,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 18:33:08,533 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 [2021-08-06 18:33:08,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:08,533 INFO L225 Difference]: With dead ends: 106 [2021-08-06 18:33:08,534 INFO L226 Difference]: Without dead ends: 0 [2021-08-06 18:33:08,534 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:33:08,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-06 18:33:08,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-06 18:33:08,534 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) [2021-08-06 18:33:08,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-06 18:33:08,534 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2021-08-06 18:33:08,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:08,535 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-06 18:33:08,535 INFO L471 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) [2021-08-06 18:33:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-06 18:33:08,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-06 18:33:08,536 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 18:33:08,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-06 18:33:08,538 INFO L308 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork0 was SAFE (1/3) [2021-08-06 18:33:08,540 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-06 18:33:08,540 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 18:33:08,540 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-06 18:33:08,579 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) [2021-08-06 18:33:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-08-06 18:33:08,579 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:08,579 INFO L512 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] [2021-08-06 18:33:08,580 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-06 18:33:08,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:08,580 INFO L82 PathProgramCache]: Analyzing trace with hash -235883802, now seen corresponding path program 1 times [2021-08-06 18:33:08,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:08,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776398514] [2021-08-06 18:33:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:08,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:08,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:08,593 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776398514] [2021-08-06 18:33:08,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776398514] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:08,593 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:08,593 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-06 18:33:08,593 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146740180] [2021-08-06 18:33:08,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-06 18:33:08,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:08,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-06 18:33:08,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-06 18:33:08,594 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) [2021-08-06 18:33:08,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:08,597 INFO L93 Difference]: Finished difference Result 686 states and 742 transitions. [2021-08-06 18:33:08,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-06 18:33:08,597 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 [2021-08-06 18:33:08,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:08,597 INFO L225 Difference]: With dead ends: 686 [2021-08-06 18:33:08,597 INFO L226 Difference]: Without dead ends: 0 [2021-08-06 18:33:08,597 INFO L781 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 [2021-08-06 18:33:08,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-06 18:33:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-06 18:33:08,598 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) [2021-08-06 18:33:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-06 18:33:08,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-08-06 18:33:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:08,598 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-06 18:33:08,598 INFO L471 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) [2021-08-06 18:33:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-06 18:33:08,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-06 18:33:08,598 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 18:33:08,598 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-06 18:33:08,598 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-06 18:33:08,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-06 18:33:08,599 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/3) [2021-08-06 18:33:08,600 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Thread1of1ForFork1 ======== [2021-08-06 18:33:08,600 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-06 18:33:08,600 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-06 18:33:09,610 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) [2021-08-06 18:33:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-08-06 18:33:09,622 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:09,623 INFO L512 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] [2021-08-06 18:33:09,623 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:09,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:09,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1629374506, now seen corresponding path program 1 times [2021-08-06 18:33:09,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:09,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542952611] [2021-08-06 18:33:09,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:09,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:09,732 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 51.7 percent of original size [2021-08-06 18:33:09,732 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 51.7 percent of original size [2021-08-06 18:33:09,739 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:33:09,740 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 39.1 percent of original size [2021-08-06 18:33:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:09,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:09,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542952611] [2021-08-06 18:33:09,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542952611] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:09,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:09,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-06 18:33:09,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938528403] [2021-08-06 18:33:09,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-08-06 18:33:09,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:09,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-06 18:33:09,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-08-06 18:33:09,789 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) [2021-08-06 18:33:10,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:10,202 INFO L93 Difference]: Finished difference Result 21410 states and 46245 transitions. [2021-08-06 18:33:10,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-06 18:33:10,203 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 [2021-08-06 18:33:10,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:10,232 INFO L225 Difference]: With dead ends: 21410 [2021-08-06 18:33:10,232 INFO L226 Difference]: Without dead ends: 20033 [2021-08-06 18:33:10,233 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 195.7ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-08-06 18:33:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20033 states. [2021-08-06 18:33:10,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20033 to 20033. [2021-08-06 18:33:10,495 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) [2021-08-06 18:33:10,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20033 states to 20033 states and 44555 transitions. [2021-08-06 18:33:10,534 INFO L78 Accepts]: Start accepts. Automaton has 20033 states and 44555 transitions. Word has length 92 [2021-08-06 18:33:10,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:10,534 INFO L470 AbstractCegarLoop]: Abstraction has 20033 states and 44555 transitions. [2021-08-06 18:33:10,534 INFO L471 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) [2021-08-06 18:33:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 20033 states and 44555 transitions. [2021-08-06 18:33:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-08-06 18:33:10,539 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:10,539 INFO L512 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] [2021-08-06 18:33:10,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-06 18:33:10,539 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:10,539 INFO L82 PathProgramCache]: Analyzing trace with hash -88780916, now seen corresponding path program 1 times [2021-08-06 18:33:10,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:10,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412545302] [2021-08-06 18:33:10,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:10,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:10,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:10,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412545302] [2021-08-06 18:33:10,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412545302] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:10,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:10,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 18:33:10,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069926704] [2021-08-06 18:33:10,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 18:33:10,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:10,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 18:33:10,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:33:10,568 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) [2021-08-06 18:33:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:10,610 INFO L93 Difference]: Finished difference Result 12589 states and 28061 transitions. [2021-08-06 18:33:10,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 18:33:10,611 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 [2021-08-06 18:33:10,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:10,628 INFO L225 Difference]: With dead ends: 12589 [2021-08-06 18:33:10,628 INFO L226 Difference]: Without dead ends: 12148 [2021-08-06 18:33:10,628 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:33:10,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12148 states. [2021-08-06 18:33:10,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12148 to 12147. [2021-08-06 18:33:10,866 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) [2021-08-06 18:33:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12147 states to 12147 states and 27208 transitions. [2021-08-06 18:33:10,886 INFO L78 Accepts]: Start accepts. Automaton has 12147 states and 27208 transitions. Word has length 93 [2021-08-06 18:33:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:10,887 INFO L470 AbstractCegarLoop]: Abstraction has 12147 states and 27208 transitions. [2021-08-06 18:33:10,887 INFO L471 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) [2021-08-06 18:33:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 12147 states and 27208 transitions. [2021-08-06 18:33:10,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-08-06 18:33:10,900 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:10,901 INFO L512 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] [2021-08-06 18:33:10,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-06 18:33:10,901 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:10,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:10,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1761184854, now seen corresponding path program 1 times [2021-08-06 18:33:10,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:10,901 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51741248] [2021-08-06 18:33:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:10,902 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:10,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:10,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51741248] [2021-08-06 18:33:10,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51741248] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:10,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:10,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-06 18:33:10,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846299417] [2021-08-06 18:33:10,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-06 18:33:10,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:10,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-06 18:33:10,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-06 18:33:10,937 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) [2021-08-06 18:33:11,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:11,017 INFO L93 Difference]: Finished difference Result 5008 states and 10210 transitions. [2021-08-06 18:33:11,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-06 18:33:11,018 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 [2021-08-06 18:33:11,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:11,024 INFO L225 Difference]: With dead ends: 5008 [2021-08-06 18:33:11,024 INFO L226 Difference]: Without dead ends: 5008 [2021-08-06 18:33:11,025 INFO L781 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 [2021-08-06 18:33:11,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5008 states. [2021-08-06 18:33:11,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5008 to 4176. [2021-08-06 18:33:11,077 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) [2021-08-06 18:33:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4176 states to 4176 states and 8558 transitions. [2021-08-06 18:33:11,084 INFO L78 Accepts]: Start accepts. Automaton has 4176 states and 8558 transitions. Word has length 171 [2021-08-06 18:33:11,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:11,085 INFO L470 AbstractCegarLoop]: Abstraction has 4176 states and 8558 transitions. [2021-08-06 18:33:11,085 INFO L471 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) [2021-08-06 18:33:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4176 states and 8558 transitions. [2021-08-06 18:33:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-08-06 18:33:11,092 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:11,092 INFO L512 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] [2021-08-06 18:33:11,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-06 18:33:11,093 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:11,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:11,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1452756164, now seen corresponding path program 1 times [2021-08-06 18:33:11,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:11,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945861112] [2021-08-06 18:33:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:11,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:11,236 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 51.9 percent of original size [2021-08-06 18:33:11,238 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 51.9 percent of original size [2021-08-06 18:33:11,316 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 18, result has 41.9 percent of original size [2021-08-06 18:33:11,317 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 18, result has 41.9 percent of original size [2021-08-06 18:33:11,335 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 23, result has 57.4 percent of original size [2021-08-06 18:33:11,338 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 23, result has 57.4 percent of original size [2021-08-06 18:33:11,357 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:11,358 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:11,372 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 55.3 percent of original size [2021-08-06 18:33:11,373 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 55.3 percent of original size [2021-08-06 18:33:11,386 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:11,387 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:11,391 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 32.0 percent of original size [2021-08-06 18:33:11,392 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 32.0 percent of original size [2021-08-06 18:33:11,405 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 20, result has 4.8 percent of original size [2021-08-06 18:33:11,406 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 20, result has 4.8 percent of original size [2021-08-06 18:33:11,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:11,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:11,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945861112] [2021-08-06 18:33:11,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945861112] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:11,411 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:11,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-08-06 18:33:11,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152373922] [2021-08-06 18:33:11,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-06 18:33:11,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:11,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-06 18:33:11,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-08-06 18:33:11,412 INFO L87 Difference]: Start difference. First operand 4176 states and 8558 transitions. Second operand has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 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) [2021-08-06 18:33:12,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:12,252 INFO L93 Difference]: Finished difference Result 7232 states and 14808 transitions. [2021-08-06 18:33:12,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-06 18:33:12,253 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 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 [2021-08-06 18:33:12,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:12,262 INFO L225 Difference]: With dead ends: 7232 [2021-08-06 18:33:12,262 INFO L226 Difference]: Without dead ends: 7232 [2021-08-06 18:33:12,263 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 552.8ms TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2021-08-06 18:33:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7232 states. [2021-08-06 18:33:12,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7232 to 5975. [2021-08-06 18:33:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5975 states, 5973 states have (on average 2.0589318600368323) internal successors, (12298), 5974 states have internal predecessors, (12298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:12,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5975 states to 5975 states and 12298 transitions. [2021-08-06 18:33:12,339 INFO L78 Accepts]: Start accepts. Automaton has 5975 states and 12298 transitions. Word has length 172 [2021-08-06 18:33:12,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:12,339 INFO L470 AbstractCegarLoop]: Abstraction has 5975 states and 12298 transitions. [2021-08-06 18:33:12,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.117647058823529) internal successors, (172), 17 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) [2021-08-06 18:33:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 5975 states and 12298 transitions. [2021-08-06 18:33:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-08-06 18:33:12,347 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:12,347 INFO L512 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] [2021-08-06 18:33:12,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-06 18:33:12,347 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:12,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:12,348 INFO L82 PathProgramCache]: Analyzing trace with hash 241532620, now seen corresponding path program 2 times [2021-08-06 18:33:12,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:12,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892816331] [2021-08-06 18:33:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:12,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:12,496 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 60.5 percent of original size [2021-08-06 18:33:12,498 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 60.5 percent of original size [2021-08-06 18:33:12,562 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:12,562 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:12,575 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 59.5 percent of original size [2021-08-06 18:33:12,577 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 59.5 percent of original size [2021-08-06 18:33:12,594 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:12,595 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:12,599 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:12,600 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:12,611 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:12,612 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:12,616 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 43.8 percent of original size [2021-08-06 18:33:12,616 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 43.8 percent of original size [2021-08-06 18:33:12,629 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:33:12,630 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:33:12,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:12,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:12,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892816331] [2021-08-06 18:33:12,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892816331] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:12,633 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:12,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-08-06 18:33:12,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959384186] [2021-08-06 18:33:12,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-08-06 18:33:12,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:12,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-08-06 18:33:12,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-08-06 18:33:12,634 INFO L87 Difference]: Start difference. First operand 5975 states and 12298 transitions. Second operand has 16 states, 16 states have (on average 10.75) internal successors, (172), 16 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) [2021-08-06 18:33:13,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:13,305 INFO L93 Difference]: Finished difference Result 5971 states and 12306 transitions. [2021-08-06 18:33:13,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-08-06 18:33:13,306 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.75) internal successors, (172), 16 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 [2021-08-06 18:33:13,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:13,313 INFO L225 Difference]: With dead ends: 5971 [2021-08-06 18:33:13,313 INFO L226 Difference]: Without dead ends: 5971 [2021-08-06 18:33:13,313 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 493.8ms TimeCoverageRelationStatistics Valid=223, Invalid=533, Unknown=0, NotChecked=0, Total=756 [2021-08-06 18:33:13,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5971 states. [2021-08-06 18:33:13,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5971 to 5959. [2021-08-06 18:33:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5959 states, 5957 states have (on average 2.06244754070841) internal successors, (12286), 5958 states have internal predecessors, (12286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:13,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5959 states to 5959 states and 12286 transitions. [2021-08-06 18:33:13,376 INFO L78 Accepts]: Start accepts. Automaton has 5959 states and 12286 transitions. Word has length 172 [2021-08-06 18:33:13,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:13,376 INFO L470 AbstractCegarLoop]: Abstraction has 5959 states and 12286 transitions. [2021-08-06 18:33:13,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.75) internal successors, (172), 16 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) [2021-08-06 18:33:13,376 INFO L276 IsEmpty]: Start isEmpty. Operand 5959 states and 12286 transitions. [2021-08-06 18:33:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-08-06 18:33:13,383 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:13,383 INFO L512 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] [2021-08-06 18:33:13,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-06 18:33:13,384 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:13,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:13,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1181313697, now seen corresponding path program 1 times [2021-08-06 18:33:13,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:13,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750418483] [2021-08-06 18:33:13,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:13,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:13,652 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 92.6 percent of original size [2021-08-06 18:33:13,659 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 92.6 percent of original size [2021-08-06 18:33:13,784 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 92.8 percent of original size [2021-08-06 18:33:13,791 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 92.8 percent of original size [2021-08-06 18:33:13,943 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 92.8 percent of original size [2021-08-06 18:33:13,950 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 92.8 percent of original size [2021-08-06 18:33:14,022 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 44, result has 87.9 percent of original size [2021-08-06 18:33:14,030 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 44, result has 87.9 percent of original size [2021-08-06 18:33:15,816 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:15,817 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:15,838 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 59.5 percent of original size [2021-08-06 18:33:15,839 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 59.5 percent of original size [2021-08-06 18:33:15,864 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:15,881 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:15,884 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:15,885 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 69.0 percent of original size [2021-08-06 18:33:15,904 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:15,905 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 59.1 percent of original size [2021-08-06 18:33:15,908 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 43.8 percent of original size [2021-08-06 18:33:15,909 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 43.8 percent of original size [2021-08-06 18:33:15,930 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:33:15,930 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:33:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:15,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:15,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750418483] [2021-08-06 18:33:15,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750418483] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:15,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:15,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-06 18:33:15,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102477012] [2021-08-06 18:33:15,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-08-06 18:33:15,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:15,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-06 18:33:15,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2021-08-06 18:33:15,935 INFO L87 Difference]: Start difference. First operand 5959 states and 12286 transitions. Second operand has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 19 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) [2021-08-06 18:33:18,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:18,068 INFO L93 Difference]: Finished difference Result 5851 states and 11885 transitions. [2021-08-06 18:33:18,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-08-06 18:33:18,069 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 19 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 [2021-08-06 18:33:18,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:18,076 INFO L225 Difference]: With dead ends: 5851 [2021-08-06 18:33:18,076 INFO L226 Difference]: Without dead ends: 5851 [2021-08-06 18:33:18,077 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 14 SyntacticMatches, 10 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1876.8ms TimeCoverageRelationStatistics Valid=274, Invalid=782, Unknown=0, NotChecked=0, Total=1056 [2021-08-06 18:33:18,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5851 states. [2021-08-06 18:33:18,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5851 to 5731. [2021-08-06 18:33:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5731 states, 5729 states have (on average 2.038226566591028) internal successors, (11677), 5730 states have internal predecessors, (11677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:18,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5731 states to 5731 states and 11677 transitions. [2021-08-06 18:33:18,152 INFO L78 Accepts]: Start accepts. Automaton has 5731 states and 11677 transitions. Word has length 176 [2021-08-06 18:33:18,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:18,152 INFO L470 AbstractCegarLoop]: Abstraction has 5731 states and 11677 transitions. [2021-08-06 18:33:18,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 19 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) [2021-08-06 18:33:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5731 states and 11677 transitions. [2021-08-06 18:33:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-08-06 18:33:18,164 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:18,164 INFO L512 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] [2021-08-06 18:33:18,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-06 18:33:18,165 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:18,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:18,165 INFO L82 PathProgramCache]: Analyzing trace with hash 714424918, now seen corresponding path program 1 times [2021-08-06 18:33:18,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:18,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997914332] [2021-08-06 18:33:18,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:18,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:18,438 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 70.0 percent of original size [2021-08-06 18:33:18,440 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 70.0 percent of original size [2021-08-06 18:33:18,620 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:33:18,622 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 63.9 percent of original size [2021-08-06 18:33:18,646 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 18, result has 69.5 percent of original size [2021-08-06 18:33:18,649 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 18, result has 69.5 percent of original size [2021-08-06 18:33:18,678 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 22, result has 51.1 percent of original size [2021-08-06 18:33:18,680 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 22, result has 51.1 percent of original size [2021-08-06 18:33:18,688 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 29, result has 50.8 percent of original size [2021-08-06 18:33:18,689 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 29, result has 50.8 percent of original size [2021-08-06 18:33:18,708 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 22, result has 51.1 percent of original size [2021-08-06 18:33:18,709 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 22, result has 51.1 percent of original size [2021-08-06 18:33:18,717 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 16, result has 51.5 percent of original size [2021-08-06 18:33:18,719 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 16, result has 51.5 percent of original size [2021-08-06 18:33:18,740 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 35, result has 32.7 percent of original size [2021-08-06 18:33:18,742 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 35, result has 32.7 percent of original size [2021-08-06 18:33:18,882 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 64.3 percent of original size [2021-08-06 18:33:18,883 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 64.3 percent of original size [2021-08-06 18:33:18,906 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 19, result has 65.5 percent of original size [2021-08-06 18:33:18,907 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 19, result has 65.5 percent of original size [2021-08-06 18:33:18,934 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:18,935 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:18,957 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 55.3 percent of original size [2021-08-06 18:33:18,958 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 55.3 percent of original size [2021-08-06 18:33:18,978 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:18,979 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 45.2 percent of original size [2021-08-06 18:33:18,983 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 17, result has 32.0 percent of original size [2021-08-06 18:33:18,984 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 17, result has 32.0 percent of original size [2021-08-06 18:33:19,004 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 20, result has 4.8 percent of original size [2021-08-06 18:33:19,005 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 20, result has 4.8 percent of original size [2021-08-06 18:33:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:19,009 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:19,009 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997914332] [2021-08-06 18:33:19,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997914332] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:19,009 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:19,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-08-06 18:33:19,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624430439] [2021-08-06 18:33:19,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-06 18:33:19,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:19,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-06 18:33:19,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2021-08-06 18:33:19,010 INFO L87 Difference]: Start difference. First operand 5731 states and 11677 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) [2021-08-06 18:33:21,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:21,411 INFO L93 Difference]: Finished difference Result 7624 states and 15533 transitions. [2021-08-06 18:33:21,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-08-06 18:33:21,411 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 [2021-08-06 18:33:21,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:21,420 INFO L225 Difference]: With dead ends: 7624 [2021-08-06 18:33:21,421 INFO L226 Difference]: Without dead ends: 7624 [2021-08-06 18:33:21,421 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 2032.5ms TimeCoverageRelationStatistics Valid=729, Invalid=2577, Unknown=0, NotChecked=0, Total=3306 [2021-08-06 18:33:21,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7624 states. [2021-08-06 18:33:21,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7624 to 5231. [2021-08-06 18:33:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5231 states, 5229 states have (on average 2.0634920634920637) internal successors, (10790), 5230 states have internal predecessors, (10790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 5231 states and 10790 transitions. [2021-08-06 18:33:21,499 INFO L78 Accepts]: Start accepts. Automaton has 5231 states and 10790 transitions. Word has length 176 [2021-08-06 18:33:21,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:21,499 INFO L470 AbstractCegarLoop]: Abstraction has 5231 states and 10790 transitions. [2021-08-06 18:33:21,499 INFO L471 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) [2021-08-06 18:33:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5231 states and 10790 transitions. [2021-08-06 18:33:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-08-06 18:33:21,508 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:21,508 INFO L512 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] [2021-08-06 18:33:21,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-06 18:33:21,508 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:21,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:21,509 INFO L82 PathProgramCache]: Analyzing trace with hash -80069248, now seen corresponding path program 2 times [2021-08-06 18:33:21,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:21,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067642130] [2021-08-06 18:33:21,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:21,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:21,659 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 4, result has 81.0 percent of original size [2021-08-06 18:33:21,660 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 4, result has 81.0 percent of original size [2021-08-06 18:33:21,672 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 4, result has 80.0 percent of original size [2021-08-06 18:33:21,673 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 4, result has 80.0 percent of original size [2021-08-06 18:33:21,685 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:21,687 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:21,704 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:21,706 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:21,725 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 87.8 percent of original size [2021-08-06 18:33:21,727 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 87.8 percent of original size [2021-08-06 18:33:21,751 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 82.1 percent of original size [2021-08-06 18:33:21,753 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 82.1 percent of original size [2021-08-06 18:33:21,773 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 16, result has 64.4 percent of original size [2021-08-06 18:33:21,775 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 16, result has 64.4 percent of original size [2021-08-06 18:33:21,802 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 28, result has 55.6 percent of original size [2021-08-06 18:33:21,805 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 28, result has 55.6 percent of original size [2021-08-06 18:33:21,835 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 28, result has 61.1 percent of original size [2021-08-06 18:33:21,838 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 28, result has 61.1 percent of original size [2021-08-06 18:33:22,028 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 47, result has 46.0 percent of original size [2021-08-06 18:33:22,031 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 47, result has 46.0 percent of original size [2021-08-06 18:33:22,066 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 48, result has 57.5 percent of original size [2021-08-06 18:33:22,071 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 48, result has 57.5 percent of original size [2021-08-06 18:33:22,113 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 36, result has 52.6 percent of original size [2021-08-06 18:33:22,116 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 36, result has 52.6 percent of original size [2021-08-06 18:33:22,128 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 67.0 percent of original size [2021-08-06 18:33:22,130 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 67.0 percent of original size [2021-08-06 18:33:22,174 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 57.1 percent of original size [2021-08-06 18:33:22,177 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 57.1 percent of original size [2021-08-06 18:33:22,189 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 53.1 percent of original size [2021-08-06 18:33:22,192 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 53.1 percent of original size [2021-08-06 18:33:22,237 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 53.8 percent of original size [2021-08-06 18:33:22,240 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 53.8 percent of original size [2021-08-06 18:33:22,280 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 49.2 percent of original size [2021-08-06 18:33:22,282 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 49.2 percent of original size [2021-08-06 18:33:22,315 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 33, result has 52.2 percent of original size [2021-08-06 18:33:22,317 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 33, result has 52.2 percent of original size [2021-08-06 18:33:22,444 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 30, result has 53.8 percent of original size [2021-08-06 18:33:22,446 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 30, result has 53.8 percent of original size [2021-08-06 18:33:22,558 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 63.1 percent of original size [2021-08-06 18:33:22,560 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 63.1 percent of original size [2021-08-06 18:33:22,605 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 27, result has 58.5 percent of original size [2021-08-06 18:33:22,607 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 27, result has 58.5 percent of original size [2021-08-06 18:33:22,645 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 27, result has 51.8 percent of original size [2021-08-06 18:33:22,647 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 27, result has 51.8 percent of original size [2021-08-06 18:33:22,682 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 27, result has 44.9 percent of original size [2021-08-06 18:33:22,684 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 27, result has 44.9 percent of original size [2021-08-06 18:33:22,717 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 21, result has 58.0 percent of original size [2021-08-06 18:33:22,719 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 21, result has 58.0 percent of original size [2021-08-06 18:33:22,773 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 14, result has 65.9 percent of original size [2021-08-06 18:33:22,774 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 14, result has 65.9 percent of original size [2021-08-06 18:33:22,882 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:22,883 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:22,907 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:22,908 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 60.9 percent of original size [2021-08-06 18:33:22,911 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 9, result has 47.1 percent of original size [2021-08-06 18:33:22,912 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 9, result has 47.1 percent of original size [2021-08-06 18:33:22,952 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:33:22,953 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 7.7 percent of original size [2021-08-06 18:33:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:22,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:22,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067642130] [2021-08-06 18:33:22,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067642130] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:22,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:22,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-08-06 18:33:22,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855955388] [2021-08-06 18:33:22,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-08-06 18:33:22,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:22,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-08-06 18:33:22,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1182, Unknown=0, NotChecked=0, Total=1332 [2021-08-06 18:33:22,958 INFO L87 Difference]: Start difference. First operand 5231 states and 10790 transitions. Second operand has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 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) [2021-08-06 18:33:26,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:26,806 INFO L93 Difference]: Finished difference Result 8966 states and 18469 transitions. [2021-08-06 18:33:26,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-08-06 18:33:26,807 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 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 [2021-08-06 18:33:26,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:26,819 INFO L225 Difference]: With dead ends: 8966 [2021-08-06 18:33:26,819 INFO L226 Difference]: Without dead ends: 8966 [2021-08-06 18:33:26,820 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 3540.3ms TimeCoverageRelationStatistics Valid=1109, Invalid=4441, Unknown=0, NotChecked=0, Total=5550 [2021-08-06 18:33:26,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8966 states. [2021-08-06 18:33:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8966 to 7460. [2021-08-06 18:33:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7460 states, 7458 states have (on average 2.0650308393671226) internal successors, (15401), 7459 states have internal predecessors, (15401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7460 states to 7460 states and 15401 transitions. [2021-08-06 18:33:26,915 INFO L78 Accepts]: Start accepts. Automaton has 7460 states and 15401 transitions. Word has length 176 [2021-08-06 18:33:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:26,915 INFO L470 AbstractCegarLoop]: Abstraction has 7460 states and 15401 transitions. [2021-08-06 18:33:26,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.756756756756757) internal successors, (176), 37 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) [2021-08-06 18:33:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7460 states and 15401 transitions. [2021-08-06 18:33:26,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-08-06 18:33:26,921 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:26,921 INFO L512 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] [2021-08-06 18:33:26,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-06 18:33:26,921 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:26,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1924823707, now seen corresponding path program 1 times [2021-08-06 18:33:26,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:26,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104294051] [2021-08-06 18:33:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:26,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-06 18:33:27,010 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 77.3 percent of original size [2021-08-06 18:33:27,011 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 77.3 percent of original size [2021-08-06 18:33:27,023 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 76.2 percent of original size [2021-08-06 18:33:27,024 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 76.2 percent of original size [2021-08-06 18:33:27,037 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:27,038 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:27,057 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:27,059 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 81.5 percent of original size [2021-08-06 18:33:27,079 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 87.8 percent of original size [2021-08-06 18:33:27,081 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 87.8 percent of original size [2021-08-06 18:33:27,107 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 82.1 percent of original size [2021-08-06 18:33:27,108 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 82.1 percent of original size [2021-08-06 18:33:27,127 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 16, result has 64.4 percent of original size [2021-08-06 18:33:27,129 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 16, result has 64.4 percent of original size [2021-08-06 18:33:27,155 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 18, result has 66.0 percent of original size [2021-08-06 18:33:27,157 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 18, result has 66.0 percent of original size [2021-08-06 18:33:27,253 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 84.4 percent of original size [2021-08-06 18:33:27,255 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 84.4 percent of original size [2021-08-06 18:33:27,280 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 24, result has 60.0 percent of original size [2021-08-06 18:33:27,283 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 24, result has 60.0 percent of original size [2021-08-06 18:33:27,313 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 84.4 percent of original size [2021-08-06 18:33:27,315 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 84.4 percent of original size [2021-08-06 18:33:27,325 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 87.2 percent of original size [2021-08-06 18:33:27,327 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 87.2 percent of original size [2021-08-06 18:33:27,347 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 84.4 percent of original size [2021-08-06 18:33:27,349 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 84.4 percent of original size [2021-08-06 18:33:27,359 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 80.8 percent of original size [2021-08-06 18:33:27,361 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 80.8 percent of original size [2021-08-06 18:33:27,386 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 5, result has 80.8 percent of original size [2021-08-06 18:33:27,387 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 5, result has 80.8 percent of original size [2021-08-06 18:33:27,482 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 70.5 percent of original size [2021-08-06 18:33:27,484 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 70.5 percent of original size [2021-08-06 18:33:27,560 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 10, result has 77.8 percent of original size [2021-08-06 18:33:27,561 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 10, result has 77.8 percent of original size [2021-08-06 18:33:27,585 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 13, result has 68.3 percent of original size [2021-08-06 18:33:27,586 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 13, result has 68.3 percent of original size [2021-08-06 18:33:27,610 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 63.6 percent of original size [2021-08-06 18:33:27,610 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 63.6 percent of original size [2021-08-06 18:33:27,632 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 53.8 percent of original size [2021-08-06 18:33:27,633 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 53.8 percent of original size [2021-08-06 18:33:27,653 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 63.6 percent of original size [2021-08-06 18:33:27,654 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 63.6 percent of original size [2021-08-06 18:33:27,674 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 53.8 percent of original size [2021-08-06 18:33:27,675 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 53.8 percent of original size [2021-08-06 18:33:27,678 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 12, result has 40.0 percent of original size [2021-08-06 18:33:27,679 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 12, result has 40.0 percent of original size [2021-08-06 18:33:27,697 WARN L248 tifierPushTermWalker]: Quantifier elimination called on non-simplified input: treesize reduction 15, result has 6.3 percent of original size [2021-08-06 18:33:27,698 WARN L260 tifierPushTermWalker]: Quantifier elimination failed to simlify output: treesize reduction 15, result has 6.3 percent of original size [2021-08-06 18:33:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-06 18:33:27,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-06 18:33:27,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104294051] [2021-08-06 18:33:27,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104294051] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-06 18:33:27,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-06 18:33:27,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-08-06 18:33:27,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929047797] [2021-08-06 18:33:27,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-08-06 18:33:27,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-06 18:33:27,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-08-06 18:33:27,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2021-08-06 18:33:27,704 INFO L87 Difference]: Start difference. First operand 7460 states and 15401 transitions. Second operand has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 29 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) [2021-08-06 18:33:30,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-06 18:33:30,515 INFO L93 Difference]: Finished difference Result 8036 states and 16434 transitions. [2021-08-06 18:33:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-08-06 18:33:30,515 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 29 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 [2021-08-06 18:33:30,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-06 18:33:30,525 INFO L225 Difference]: With dead ends: 8036 [2021-08-06 18:33:30,525 INFO L226 Difference]: Without dead ends: 8036 [2021-08-06 18:33:30,526 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 2416.0ms TimeCoverageRelationStatistics Valid=932, Invalid=3100, Unknown=0, NotChecked=0, Total=4032 [2021-08-06 18:33:30,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8036 states. [2021-08-06 18:33:30,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8036 to 6992. [2021-08-06 18:33:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6992 states, 6990 states have (on average 2.0623748211731043) internal successors, (14416), 6991 states have internal predecessors, (14416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-06 18:33:30,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6992 states to 6992 states and 14416 transitions. [2021-08-06 18:33:30,606 INFO L78 Accepts]: Start accepts. Automaton has 6992 states and 14416 transitions. Word has length 180 [2021-08-06 18:33:30,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-06 18:33:30,607 INFO L470 AbstractCegarLoop]: Abstraction has 6992 states and 14416 transitions. [2021-08-06 18:33:30,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.206896551724138) internal successors, (180), 29 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) [2021-08-06 18:33:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6992 states and 14416 transitions. [2021-08-06 18:33:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-08-06 18:33:30,613 INFO L504 BasicCegarLoop]: Found error trace [2021-08-06 18:33:30,613 INFO L512 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] [2021-08-06 18:33:30,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-06 18:33:30,613 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-06 18:33:30,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-06 18:33:30,613 INFO L82 PathProgramCache]: Analyzing trace with hash 50859808, now seen corresponding path program 1 times [2021-08-06 18:33:30,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-06 18:33:30,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089649951] [2021-08-06 18:33:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-06 18:33:30,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-06 18:33:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2021-08-06 18:45:09,355 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,360 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,360 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-08-06 18:45:09,364 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,364 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,365 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,366 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,366 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,367 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,380 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,382 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,382 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,383 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,383 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,384 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,385 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,385 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,386 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,386 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,387 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,387 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,387 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,388 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,388 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,388 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,389 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,389 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,389 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,390 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,390 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,390 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,391 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,403 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,404 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,404 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,404 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,404 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,404 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,405 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,406 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2021-08-06 18:45:09,408 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-06 18:45:09,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-06 18:45:09,408 WARN L594 AbstractCegarLoop]: Verification canceled: 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. [2021-08-06 18:45:09,408 INFO L308 ceAbstractionStarter]: Result for error location t2Thread1of1ForFork1 was TIMEOUT (3/3) [2021-08-06 18:45:09,409 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-06 18:45:09,409 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-06 18:45:09,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.08 06:45:09 BasicIcfg [2021-08-06 18:45:09,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-06 18:45:09,411 INFO L168 Benchmark]: Toolchain (without parser) took 743953.88 ms. Allocated memory was 204.5 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 167.8 MB in the beginning and 347.2 MB in the end (delta: -179.4 MB). Peak memory consumption was 4.1 GB. Max. memory is 8.0 GB. [2021-08-06 18:45:09,411 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 204.5 MB. Free memory is still 186.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-06 18:45:09,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.15 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 170.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 8.0 GB. [2021-08-06 18:45:09,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.00 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 167.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-08-06 18:45:09,411 INFO L168 Benchmark]: Boogie Preprocessor took 25.26 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 165.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-06 18:45:09,411 INFO L168 Benchmark]: RCFGBuilder took 698.25 ms. Allocated memory is still 204.5 MB. Free memory was 165.0 MB in the beginning and 170.9 MB in the end (delta: -5.8 MB). Peak memory consumption was 38.0 MB. Max. memory is 8.0 GB. [2021-08-06 18:45:09,411 INFO L168 Benchmark]: TraceAbstraction took 742538.33 ms. Allocated memory was 204.5 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 170.4 MB in the beginning and 347.2 MB in the end (delta: -176.8 MB). Peak memory consumption was 4.1 GB. Max. memory is 8.0 GB. [2021-08-06 18:45:09,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 204.5 MB. Free memory is still 186.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 628.15 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 170.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.00 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 167.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.26 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 165.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 698.25 ms. Allocated memory is still 204.5 MB. Free memory was 165.0 MB in the beginning and 170.9 MB in the end (delta: -5.8 MB). Peak memory consumption was 38.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 742538.33 ms. Allocated memory was 204.5 MB in the beginning and 3.3 GB in the end (delta: 3.1 GB). Free memory was 170.4 MB in the beginning and 347.2 MB in the end (delta: -176.8 MB). Peak memory consumption was 4.1 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 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: 186, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 184, negative conditional: 0, negative unconditional: 184, 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 247, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 171, negative conditional: 0, negative unconditional: 171, 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 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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. OverallTime: 21508.9ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 132.4ms, AutomataDifference: 13326.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 834.2ms, PartialOrderReductionTime: 817.3ms, HoareTripleCheckerStatistics: 3016 SDtfs, 12997 SDslu, 24211 SDs, 0 SdLazy, 9388 SolverSat, 604 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4136.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 39 SyntacticMatches, 8 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2288 ImplicationChecksByTransitivity, 9431.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=12877occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1660.2ms AutomataMinimizationTime, 11 MinimizatonAttempts, 7011 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 35.7ms SsaConstructionTime, 219.7ms SatisfiabilityAnalysisTime, 5133.0ms InterpolantComputationTime, 1170 NumberOfCodeBlocks, 1170 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1159 ConstructedInterpolants, 0 QuantifiedInterpolants, 11462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - 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. OverallTime: 58.6ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 1.3ms, AutomataDifference: 3.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37.6ms, PartialOrderReductionTime: 32.6ms, 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: 0.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7ms SsaConstructionTime, 2.5ms SatisfiabilityAnalysisTime, 6.8ms 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. OverallTime: 720808.7ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 116.2ms, AutomataDifference: 13390.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 976.6ms, PartialOrderReductionTime: 975.1ms, HoareTripleCheckerStatistics: 2214 SDtfs, 13324 SDslu, 16492 SDs, 0 SdLazy, 6398 SolverSat, 870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3455.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 52 SyntacticMatches, 23 SemanticMatches, 299 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3421 ImplicationChecksByTransitivity, 11111.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=22045occurred in iteration=0, InterpolantAutomatonStates: 182, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1082.9ms AutomataMinimizationTime, 9 MinimizatonAttempts, 7165 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.6ms SsaConstructionTime, 98.9ms SatisfiabilityAnalysisTime, 6270.1ms InterpolantComputationTime, 1408 NumberOfCodeBlocks, 1408 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1399 ConstructedInterpolants, 0 QuantifiedInterpolants, 22300 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown