/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread/queue_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 17:52:27,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 17:52:27,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 17:52:27,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 17:52:27,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 17:52:27,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 17:52:27,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 17:52:27,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 17:52:27,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 17:52:27,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 17:52:27,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 17:52:27,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 17:52:27,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 17:52:27,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 17:52:27,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 17:52:27,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 17:52:27,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 17:52:27,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 17:52:27,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 17:52:27,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 17:52:27,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 17:52:27,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 17:52:27,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 17:52:27,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 17:52:27,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 17:52:27,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 17:52:27,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 17:52:27,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 17:52:27,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 17:52:27,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 17:52:27,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 17:52:27,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 17:52:27,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 17:52:27,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 17:52:27,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 17:52:27,348 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 17:52:27,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 17:52:27,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 17:52:27,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 17:52:27,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 17:52:27,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 17:52:27,354 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-keepdead.epf [2021-01-20 17:52:27,409 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 17:52:27,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 17:52:27,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 17:52:27,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 17:52:27,416 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 17:52:27,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 17:52:27,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 17:52:27,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 17:52:27,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 17:52:27,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 17:52:27,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 17:52:27,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 17:52:27,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 17:52:27,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 17:52:27,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 17:52:27,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 17:52:27,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 17:52:27,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 17:52:27,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 17:52:27,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 17:52:27,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 17:52:27,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 17:52:27,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 17:52:27,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 17:52:27,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 17:52:27,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 17:52:27,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 17:52:27,423 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 17:52:27,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 17:52:27,423 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 17:52:27,423 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 17:52:27,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 17:52:27,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 17:52:27,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 17:52:27,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 17:52:27,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 17:52:27,854 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 17:52:27,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2021-01-20 17:52:27,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273d43719/9fd2dcf0880245a9b94b9e9f396ca67e/FLAGf2abc3bda [2021-01-20 17:52:28,771 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 17:52:28,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2021-01-20 17:52:28,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273d43719/9fd2dcf0880245a9b94b9e9f396ca67e/FLAGf2abc3bda [2021-01-20 17:52:29,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273d43719/9fd2dcf0880245a9b94b9e9f396ca67e [2021-01-20 17:52:29,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 17:52:29,016 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 17:52:29,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 17:52:29,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 17:52:29,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 17:52:29,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b4b13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29, skipping insertion in model container [2021-01-20 17:52:29,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 17:52:29,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 17:52:29,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 17:52:29,698 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 17:52:29,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 17:52:29,983 INFO L208 MainTranslator]: Completed translation [2021-01-20 17:52:29,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29 WrapperNode [2021-01-20 17:52:29,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 17:52:29,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 17:52:29,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 17:52:29,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 17:52:30,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 17:52:30,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 17:52:30,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 17:52:30,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 17:52:30,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:30,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 17:52:30,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 17:52:30,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 17:52:30,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 17:52:30,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 17:52:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-01-20 17:52:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-01-20 17:52:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-01-20 17:52:30,267 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-01-20 17:52:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 17:52:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 17:52:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 17:52:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 17:52:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-20 17:52:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 17:52:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 17:52:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 17:52:30,271 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 17:52:31,135 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 17:52:31,136 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2021-01-20 17:52:31,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 05:52:31 BoogieIcfgContainer [2021-01-20 17:52:31,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 17:52:31,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 17:52:31,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 17:52:31,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 17:52:31,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 05:52:29" (1/3) ... [2021-01-20 17:52:31,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496a0066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 05:52:31, skipping insertion in model container [2021-01-20 17:52:31,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (2/3) ... [2021-01-20 17:52:31,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496a0066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 05:52:31, skipping insertion in model container [2021-01-20 17:52:31,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 05:52:31" (3/3) ... [2021-01-20 17:52:31,153 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2021-01-20 17:52:31,173 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 17:52:31,174 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 17:52:31,179 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-20 17:52:31,181 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 17:52:31,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,289 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,291 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,291 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,292 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,293 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,293 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,294 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,295 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,295 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,296 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,296 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,297 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,297 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,298 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,301 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,302 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,302 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,302 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,304 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,304 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,304 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,306 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,306 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,306 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,306 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,310 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,310 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,310 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,311 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,311 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,312 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,312 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,312 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,315 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,316 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,316 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,317 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,317 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,319 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,319 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,320 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,320 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,320 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,320 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,321 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,321 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,321 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,322 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,322 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,322 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,323 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,324 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,328 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,328 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,329 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,330 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,336 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,337 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,338 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,338 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,338 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,360 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,361 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,361 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,361 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,362 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,362 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,363 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,363 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,363 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,364 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,364 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,364 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,365 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,365 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,365 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,365 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,366 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,366 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,366 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,367 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,367 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,367 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,367 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,368 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,368 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,368 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,368 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,369 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,369 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,369 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,370 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,371 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,372 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,373 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,374 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,375 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,387 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,388 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,389 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,394 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,395 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,397 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,398 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,398 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,399 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,400 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,400 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,400 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,400 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,401 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,401 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,402 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,403 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,404 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,404 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,405 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,405 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,406 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,407 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,407 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,407 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,408 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,408 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,409 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,409 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,410 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,411 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,411 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,412 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,412 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,413 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,414 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,414 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,415 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,415 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,416 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,416 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,417 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,417 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,418 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,418 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,419 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,419 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,419 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,419 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,420 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,420 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,421 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,421 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,421 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,421 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,422 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,422 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,422 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,422 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,423 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,423 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,423 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,424 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,424 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,425 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,426 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,426 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,426 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,426 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,427 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,427 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,428 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,428 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,429 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,429 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,429 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,430 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,431 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,432 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,432 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,433 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,434 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,434 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,434 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,435 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,436 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,437 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,437 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,438 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,438 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,438 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,440 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,440 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,440 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,441 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,441 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,441 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,442 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,442 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,443 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,443 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,443 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,445 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,445 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,446 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,446 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,446 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,446 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,447 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,448 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,448 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,448 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,448 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,449 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,449 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,450 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,450 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,450 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,450 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,457 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,458 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,458 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,459 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,459 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,460 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,460 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,460 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,461 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,462 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,462 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,462 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,462 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,463 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,464 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,464 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,465 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,465 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,465 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,465 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,466 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,466 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,466 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,467 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,467 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,468 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,468 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,468 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,468 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,469 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,469 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,469 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,469 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,469 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,469 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,470 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,470 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,471 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,471 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,472 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,472 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,472 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,472 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,472 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,473 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,474 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,474 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,475 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,475 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,476 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,476 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,477 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,477 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,477 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,477 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,478 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,478 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,478 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,478 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,479 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,479 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,479 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,479 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,479 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,480 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,480 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,480 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,480 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,481 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,481 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,481 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,482 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,483 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,484 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,485 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,485 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,493 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,494 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,494 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,494 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,494 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,494 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,494 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,495 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,496 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,496 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,497 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,504 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,504 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,504 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,505 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,505 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,506 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,506 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,506 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,506 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,506 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,506 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,507 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,507 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,507 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,507 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,507 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,507 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,508 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,508 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,508 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,508 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,508 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,508 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,509 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,509 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,509 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,509 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,509 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,509 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,510 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,510 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,510 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,510 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,510 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,526 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-20 17:52:31,540 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-20 17:52:31,575 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 17:52:31,575 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 17:52:31,576 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 17:52:31,576 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 17:52:31,576 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 17:52:31,576 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 17:52:31,576 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 17:52:31,576 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 17:52:31,601 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 250 places, 263 transitions, 548 flow [2021-01-20 17:52:32,748 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-20 17:52:32,810 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:32,811 INFO L504 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] [2021-01-20 17:52:32,812 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:32,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:32,818 INFO L82 PathProgramCache]: Analyzing trace with hash -709121994, now seen corresponding path program 1 times [2021-01-20 17:52:32,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:32,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695822108] [2021-01-20 17:52:32,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:33,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695822108] [2021-01-20 17:52:33,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:33,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-20 17:52:33,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334440101] [2021-01-20 17:52:33,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-20 17:52:33,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:33,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-20 17:52:33,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-20 17:52:33,160 INFO L87 Difference]: Start difference. First operand has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 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 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:33,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:33,518 INFO L93 Difference]: Finished difference Result 18201 states and 49385 transitions. [2021-01-20 17:52:33,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-20 17:52:33,520 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2021-01-20 17:52:33,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:33,523 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-20 17:52:33,523 INFO L78 Accepts]: Start accepts. Automaton has 18201 states and 49385 transitions. Word has length 50 [2021-01-20 17:52:33,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:33,525 INFO L481 AbstractCegarLoop]: Abstraction has 18201 states and 49385 transitions. [2021-01-20 17:52:33,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:33,525 INFO L276 IsEmpty]: Start isEmpty. Operand 18201 states and 49385 transitions. [2021-01-20 17:52:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-20 17:52:33,542 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:33,542 INFO L504 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] [2021-01-20 17:52:33,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 17:52:33,543 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:33,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:33,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1894571692, now seen corresponding path program 1 times [2021-01-20 17:52:33,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:33,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081580320] [2021-01-20 17:52:33,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:34,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081580320] [2021-01-20 17:52:34,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:34,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 17:52:34,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427813317] [2021-01-20 17:52:34,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 17:52:34,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:34,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 17:52:34,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-01-20 17:52:34,166 INFO L87 Difference]: Start difference. First operand 18201 states and 49385 transitions. 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) [2021-01-20 17:52:35,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:35,031 INFO L93 Difference]: Finished difference Result 18198 states and 49381 transitions. [2021-01-20 17:52:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 17:52:35,032 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 [2021-01-20 17:52:35,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:35,034 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-01-20 17:52:35,034 INFO L78 Accepts]: Start accepts. Automaton has 18198 states and 49381 transitions. Word has length 83 [2021-01-20 17:52:35,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:35,035 INFO L481 AbstractCegarLoop]: Abstraction has 18198 states and 49381 transitions. [2021-01-20 17:52:35,035 INFO L482 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) [2021-01-20 17:52:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 18198 states and 49381 transitions. [2021-01-20 17:52:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-20 17:52:35,042 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:35,042 INFO L504 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] [2021-01-20 17:52:35,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 17:52:35,043 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:35,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:35,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1459317664, now seen corresponding path program 1 times [2021-01-20 17:52:35,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:35,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694200523] [2021-01-20 17:52:35,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:35,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694200523] [2021-01-20 17:52:35,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:35,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 17:52:35,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674290085] [2021-01-20 17:52:35,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 17:52:35,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:35,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 17:52:35,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 17:52:35,219 INFO L87 Difference]: Start difference. First operand 18198 states and 49381 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) [2021-01-20 17:52:35,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:35,415 INFO L93 Difference]: Finished difference Result 18030 states and 48763 transitions. [2021-01-20 17:52:35,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-20 17:52:35,415 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 [2021-01-20 17:52:35,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:35,418 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 17:52:35,418 INFO L78 Accepts]: Start accepts. Automaton has 18030 states and 48763 transitions. Word has length 84 [2021-01-20 17:52:35,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:35,421 INFO L481 AbstractCegarLoop]: Abstraction has 18030 states and 48763 transitions. [2021-01-20 17:52:35,421 INFO L482 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) [2021-01-20 17:52:35,421 INFO L276 IsEmpty]: Start isEmpty. Operand 18030 states and 48763 transitions. [2021-01-20 17:52:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-20 17:52:35,432 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:35,433 INFO L504 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:35,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 17:52:35,433 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:35,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1721777664, now seen corresponding path program 1 times [2021-01-20 17:52:35,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:35,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115937079] [2021-01-20 17:52:35,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:35,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115937079] [2021-01-20 17:52:35,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:35,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 17:52:35,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329432875] [2021-01-20 17:52:35,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 17:52:35,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:35,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 17:52:35,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:52:35,547 INFO L87 Difference]: Start difference. First operand 18030 states and 48763 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:35,631 INFO L93 Difference]: Finished difference Result 12888 states and 34321 transitions. [2021-01-20 17:52:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 17:52:35,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-01-20 17:52:35,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:35,738 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:52:35,738 INFO L78 Accepts]: Start accepts. Automaton has 12888 states and 34321 transitions. Word has length 90 [2021-01-20 17:52:35,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:35,740 INFO L481 AbstractCegarLoop]: Abstraction has 12888 states and 34321 transitions. [2021-01-20 17:52:35,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,740 INFO L276 IsEmpty]: Start isEmpty. Operand 12888 states and 34321 transitions. [2021-01-20 17:52:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-20 17:52:35,769 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:35,769 INFO L504 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] [2021-01-20 17:52:35,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 17:52:35,770 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:35,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:35,774 INFO L82 PathProgramCache]: Analyzing trace with hash 296778869, now seen corresponding path program 1 times [2021-01-20 17:52:35,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:35,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726569308] [2021-01-20 17:52:35,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:35,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726569308] [2021-01-20 17:52:35,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:35,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 17:52:35,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695306129] [2021-01-20 17:52:35,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 17:52:35,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:35,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 17:52:35,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 17:52:35,913 INFO L87 Difference]: Start difference. First operand 12888 states and 34321 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) [2021-01-20 17:52:36,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:36,084 INFO L93 Difference]: Finished difference Result 23037 states and 61551 transitions. [2021-01-20 17:52:36,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-20 17:52:36,085 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 [2021-01-20 17:52:36,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:36,086 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 17:52:36,086 INFO L78 Accepts]: Start accepts. Automaton has 23037 states and 61551 transitions. Word has length 99 [2021-01-20 17:52:36,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:36,087 INFO L481 AbstractCegarLoop]: Abstraction has 23037 states and 61551 transitions. [2021-01-20 17:52:36,087 INFO L482 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) [2021-01-20 17:52:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 23037 states and 61551 transitions. [2021-01-20 17:52:36,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-20 17:52:36,095 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:36,095 INFO L504 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] [2021-01-20 17:52:36,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 17:52:36,161 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:36,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:36,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1622088561, now seen corresponding path program 1 times [2021-01-20 17:52:36,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:36,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537971866] [2021-01-20 17:52:36,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:36,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537971866] [2021-01-20 17:52:36,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:36,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-01-20 17:52:36,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354271160] [2021-01-20 17:52:36,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-01-20 17:52:36,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:36,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-01-20 17:52:36,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-01-20 17:52:36,587 INFO L87 Difference]: Start difference. First operand 23037 states and 61551 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 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) [2021-01-20 17:52:37,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:37,652 INFO L93 Difference]: Finished difference Result 23125 states and 61781 transitions. [2021-01-20 17:52:37,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-20 17:52:37,653 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 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 [2021-01-20 17:52:37,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:37,654 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=430, Unknown=0, NotChecked=0, Total=600 [2021-01-20 17:52:37,654 INFO L78 Accepts]: Start accepts. Automaton has 23125 states and 61781 transitions. Word has length 100 [2021-01-20 17:52:37,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:37,654 INFO L481 AbstractCegarLoop]: Abstraction has 23125 states and 61781 transitions. [2021-01-20 17:52:37,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 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) [2021-01-20 17:52:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 23125 states and 61781 transitions. [2021-01-20 17:52:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:37,661 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:37,662 INFO L504 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] [2021-01-20 17:52:37,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 17:52:37,662 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:37,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:37,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1635000021, now seen corresponding path program 1 times [2021-01-20 17:52:37,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:37,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988999611] [2021-01-20 17:52:37,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:38,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988999611] [2021-01-20 17:52:38,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:38,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:38,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164692471] [2021-01-20 17:52:38,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:38,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:38,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:38,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:38,431 INFO L87 Difference]: Start difference. First operand 23125 states and 61781 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:40,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:40,559 INFO L93 Difference]: Finished difference Result 27109 states and 72281 transitions. [2021-01-20 17:52:40,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-20 17:52:40,559 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2021-01-20 17:52:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:40,561 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=280, Invalid=842, Unknown=0, NotChecked=0, Total=1122 [2021-01-20 17:52:40,562 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 72281 transitions. Word has length 102 [2021-01-20 17:52:40,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:40,562 INFO L481 AbstractCegarLoop]: Abstraction has 27109 states and 72281 transitions. [2021-01-20 17:52:40,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 72281 transitions. [2021-01-20 17:52:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:40,571 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:40,571 INFO L504 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] [2021-01-20 17:52:40,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 17:52:40,572 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:40,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:40,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1044468409, now seen corresponding path program 2 times [2021-01-20 17:52:40,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:40,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166530555] [2021-01-20 17:52:40,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:41,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166530555] [2021-01-20 17:52:41,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:41,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:41,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112058971] [2021-01-20 17:52:41,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:41,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:41,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:41,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:41,127 INFO L87 Difference]: Start difference. First operand 27109 states and 72281 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:43,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:43,251 INFO L93 Difference]: Finished difference Result 27661 states and 73721 transitions. [2021-01-20 17:52:43,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-20 17:52:43,257 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2021-01-20 17:52:43,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:43,258 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=277, Invalid=779, Unknown=0, NotChecked=0, Total=1056 [2021-01-20 17:52:43,258 INFO L78 Accepts]: Start accepts. Automaton has 27661 states and 73721 transitions. Word has length 102 [2021-01-20 17:52:43,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:43,258 INFO L481 AbstractCegarLoop]: Abstraction has 27661 states and 73721 transitions. [2021-01-20 17:52:43,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:43,258 INFO L276 IsEmpty]: Start isEmpty. Operand 27661 states and 73721 transitions. [2021-01-20 17:52:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:43,268 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:43,268 INFO L504 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] [2021-01-20 17:52:43,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-20 17:52:43,269 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:43,269 INFO L82 PathProgramCache]: Analyzing trace with hash 198319295, now seen corresponding path program 3 times [2021-01-20 17:52:43,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:43,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621600472] [2021-01-20 17:52:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:43,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621600472] [2021-01-20 17:52:43,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:43,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:43,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461817335] [2021-01-20 17:52:43,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:43,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:43,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:43,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:43,861 INFO L87 Difference]: Start difference. First operand 27661 states and 73721 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:44,828 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2021-01-20 17:52:45,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:45,521 INFO L93 Difference]: Finished difference Result 27293 states and 72715 transitions. [2021-01-20 17:52:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-20 17:52:45,525 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2021-01-20 17:52:45,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:45,526 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2021-01-20 17:52:45,526 INFO L78 Accepts]: Start accepts. Automaton has 27293 states and 72715 transitions. Word has length 102 [2021-01-20 17:52:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:45,526 INFO L481 AbstractCegarLoop]: Abstraction has 27293 states and 72715 transitions. [2021-01-20 17:52:45,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 27293 states and 72715 transitions. [2021-01-20 17:52:45,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-20 17:52:45,537 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:45,537 INFO L504 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] [2021-01-20 17:52:45,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 17:52:45,537 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:45,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:45,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1440435735, now seen corresponding path program 1 times [2021-01-20 17:52:45,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:45,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218326939] [2021-01-20 17:52:45,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:46,427 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2021-01-20 17:52:46,567 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2021-01-20 17:52:47,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:47,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218326939] [2021-01-20 17:52:47,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:47,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-01-20 17:52:47,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424134580] [2021-01-20 17:52:47,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-20 17:52:47,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:47,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-20 17:52:47,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2021-01-20 17:52:47,022 INFO L87 Difference]: Start difference. First operand 27293 states and 72715 transitions. Second operand has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 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) [2021-01-20 17:52:48,071 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2021-01-20 17:52:48,403 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2021-01-20 17:52:48,583 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2021-01-20 17:52:48,759 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2021-01-20 17:52:49,035 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2021-01-20 17:52:49,213 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2021-01-20 17:52:50,093 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2021-01-20 17:52:50,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:50,797 INFO L93 Difference]: Finished difference Result 27113 states and 72373 transitions. [2021-01-20 17:52:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-20 17:52:50,799 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 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 [2021-01-20 17:52:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:50,800 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2021-01-20 17:52:50,800 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 72373 transitions. Word has length 104 [2021-01-20 17:52:50,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:50,800 INFO L481 AbstractCegarLoop]: Abstraction has 27113 states and 72373 transitions. [2021-01-20 17:52:50,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 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) [2021-01-20 17:52:50,801 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 72373 transitions. [2021-01-20 17:52:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:52:50,809 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:50,809 INFO L504 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] [2021-01-20 17:52:50,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-20 17:52:50,809 INFO L429 AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:50,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:50,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1679294597, now seen corresponding path program 1 times [2021-01-20 17:52:50,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:50,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391676041] [2021-01-20 17:52:50,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:52,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391676041] [2021-01-20 17:52:52,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:52,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:52:52,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065673849] [2021-01-20 17:52:52,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:52:52,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:52,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:52:52,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:52:52,361 INFO L87 Difference]: Start difference. First operand 27113 states and 72373 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:53,260 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2021-01-20 17:52:53,439 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2021-01-20 17:52:53,625 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-01-20 17:52:54,141 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2021-01-20 17:52:54,358 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-01-20 17:52:54,733 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-01-20 17:52:54,952 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2021-01-20 17:52:55,127 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2021-01-20 17:52:55,299 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-01-20 17:52:55,985 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-01-20 17:52:56,177 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-01-20 17:52:57,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:57,596 INFO L93 Difference]: Finished difference Result 30416 states and 81005 transitions. [2021-01-20 17:52:57,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-20 17:52:57,597 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-01-20 17:52:57,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:57,599 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=593, Invalid=2713, Unknown=0, NotChecked=0, Total=3306 [2021-01-20 17:52:57,599 INFO L78 Accepts]: Start accepts. Automaton has 30416 states and 81005 transitions. Word has length 106 [2021-01-20 17:52:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:57,599 INFO L481 AbstractCegarLoop]: Abstraction has 30416 states and 81005 transitions. [2021-01-20 17:52:57,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 30416 states and 81005 transitions. [2021-01-20 17:52:57,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:52:57,608 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:57,608 INFO L504 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] [2021-01-20 17:52:57,608 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-20 17:52:57,609 INFO L429 AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:52:57,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:57,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1369767815, now seen corresponding path program 2 times [2021-01-20 17:52:57,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:57,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715288983] [2021-01-20 17:52:57,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:59,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715288983] [2021-01-20 17:52:59,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:59,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:52:59,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105339432] [2021-01-20 17:52:59,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:52:59,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:59,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:52:59,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:52:59,176 INFO L87 Difference]: Start difference. First operand 30416 states and 81005 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:00,176 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-01-20 17:53:00,344 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-01-20 17:53:00,520 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-01-20 17:53:00,678 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2021-01-20 17:53:01,121 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2021-01-20 17:53:01,328 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2021-01-20 17:53:01,539 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2021-01-20 17:53:01,901 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2021-01-20 17:53:02,113 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2021-01-20 17:53:02,280 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2021-01-20 17:53:02,451 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-20 17:53:03,098 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-01-20 17:53:03,291 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-01-20 17:53:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:04,450 INFO L93 Difference]: Finished difference Result 31985 states and 85105 transitions. [2021-01-20 17:53:04,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-01-20 17:53:04,451 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-01-20 17:53:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:04,453 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=667, Invalid=2993, Unknown=0, NotChecked=0, Total=3660 [2021-01-20 17:53:04,453 INFO L78 Accepts]: Start accepts. Automaton has 31985 states and 85105 transitions. Word has length 106 [2021-01-20 17:53:04,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:04,453 INFO L481 AbstractCegarLoop]: Abstraction has 31985 states and 85105 transitions. [2021-01-20 17:53:04,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 31985 states and 85105 transitions. [2021-01-20 17:53:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:53:04,464 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:04,464 INFO L504 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] [2021-01-20 17:53:04,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-20 17:53:04,465 INFO L429 AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:04,465 INFO L82 PathProgramCache]: Analyzing trace with hash 518636183, now seen corresponding path program 3 times [2021-01-20 17:53:04,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:04,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616324171] [2021-01-20 17:53:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:06,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:06,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616324171] [2021-01-20 17:53:06,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:06,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:53:06,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468299877] [2021-01-20 17:53:06,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:53:06,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:06,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:53:06,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:53:06,224 INFO L87 Difference]: Start difference. First operand 31985 states and 85105 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:07,236 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-01-20 17:53:07,400 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-01-20 17:53:07,581 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2021-01-20 17:53:07,728 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 46 [2021-01-20 17:53:08,272 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2021-01-20 17:53:08,478 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2021-01-20 17:53:08,928 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2021-01-20 17:53:09,142 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2021-01-20 17:53:09,318 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2021-01-20 17:53:09,476 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2021-01-20 17:53:09,986 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2021-01-20 17:53:10,159 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-01-20 17:53:10,357 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2021-01-20 17:53:11,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:11,106 INFO L93 Difference]: Finished difference Result 19737 states and 52177 transitions. [2021-01-20 17:53:11,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-20 17:53:11,107 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2021-01-20 17:53:11,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:11,108 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=596, Invalid=2596, Unknown=0, NotChecked=0, Total=3192 [2021-01-20 17:53:11,109 INFO L78 Accepts]: Start accepts. Automaton has 19737 states and 52177 transitions. Word has length 106 [2021-01-20 17:53:11,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:11,109 INFO L481 AbstractCegarLoop]: Abstraction has 19737 states and 52177 transitions. [2021-01-20 17:53:11,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:11,109 INFO L276 IsEmpty]: Start isEmpty. Operand 19737 states and 52177 transitions. [2021-01-20 17:53:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-20 17:53:11,134 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:11,134 INFO L504 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] [2021-01-20 17:53:11,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-20 17:53:11,134 INFO L429 AbstractCegarLoop]: === Iteration 14 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:11,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:11,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1493529709, now seen corresponding path program 1 times [2021-01-20 17:53:11,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:11,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550323306] [2021-01-20 17:53:11,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:11,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:11,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550323306] [2021-01-20 17:53:11,196 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:11,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 17:53:11,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714183296] [2021-01-20 17:53:11,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 17:53:11,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:11,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 17:53:11,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:53:11,198 INFO L87 Difference]: Start difference. First operand 19737 states and 52177 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 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) [2021-01-20 17:53:11,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:11,277 INFO L93 Difference]: Finished difference Result 11850 states and 29698 transitions. [2021-01-20 17:53:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 17:53:11,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 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 [2021-01-20 17:53:11,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:11,279 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:53:11,279 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 29698 transitions. Word has length 172 [2021-01-20 17:53:11,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:11,280 INFO L481 AbstractCegarLoop]: Abstraction has 11850 states and 29698 transitions. [2021-01-20 17:53:11,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 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) [2021-01-20 17:53:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 29698 transitions. [2021-01-20 17:53:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-01-20 17:53:11,300 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:11,300 INFO L504 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] [2021-01-20 17:53:11,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-20 17:53:11,302 INFO L429 AbstractCegarLoop]: === Iteration 15 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:11,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:11,303 INFO L82 PathProgramCache]: Analyzing trace with hash 2003117961, now seen corresponding path program 1 times [2021-01-20 17:53:11,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:11,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136364892] [2021-01-20 17:53:11,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:12,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:12,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136364892] [2021-01-20 17:53:12,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:12,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-01-20 17:53:12,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105234155] [2021-01-20 17:53:12,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-20 17:53:12,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:12,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-20 17:53:12,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2021-01-20 17:53:12,651 INFO L87 Difference]: Start difference. First operand 11850 states and 29698 transitions. Second operand has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:13,867 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2021-01-20 17:53:14,027 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-20 17:53:14,277 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2021-01-20 17:53:14,458 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-20 17:53:14,619 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2021-01-20 17:53:14,786 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-20 17:53:14,942 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2021-01-20 17:53:15,768 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2021-01-20 17:53:15,944 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 57 [2021-01-20 17:53:16,292 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-01-20 17:53:16,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:16,937 INFO L93 Difference]: Finished difference Result 12090 states and 30280 transitions. [2021-01-20 17:53:16,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-20 17:53:16,937 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2021-01-20 17:53:16,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:16,939 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=620, Invalid=2242, Unknown=0, NotChecked=0, Total=2862 [2021-01-20 17:53:16,939 INFO L78 Accepts]: Start accepts. Automaton has 12090 states and 30280 transitions. Word has length 173 [2021-01-20 17:53:16,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:16,940 INFO L481 AbstractCegarLoop]: Abstraction has 12090 states and 30280 transitions. [2021-01-20 17:53:16,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 12090 states and 30280 transitions. [2021-01-20 17:53:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-01-20 17:53:16,952 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:16,952 INFO L504 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] [2021-01-20 17:53:16,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-20 17:53:16,952 INFO L429 AbstractCegarLoop]: === Iteration 16 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:16,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:16,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1137732526, now seen corresponding path program 1 times [2021-01-20 17:53:16,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:16,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121572622] [2021-01-20 17:53:16,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:19,172 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-01-20 17:53:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:19,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121572622] [2021-01-20 17:53:19,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:19,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-01-20 17:53:19,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204633842] [2021-01-20 17:53:19,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-01-20 17:53:19,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:19,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-01-20 17:53:19,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=978, Unknown=0, NotChecked=0, Total=1122 [2021-01-20 17:53:19,810 INFO L87 Difference]: Start difference. First operand 12090 states and 30280 transitions. Second operand has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:20,731 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2021-01-20 17:53:20,892 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2021-01-20 17:53:21,065 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 50 [2021-01-20 17:53:21,509 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2021-01-20 17:53:21,706 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-01-20 17:53:22,017 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 51 [2021-01-20 17:53:22,241 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-01-20 17:53:22,438 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2021-01-20 17:53:22,636 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2021-01-20 17:53:22,815 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2021-01-20 17:53:22,986 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 49 [2021-01-20 17:53:23,253 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2021-01-20 17:53:23,548 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-01-20 17:53:23,858 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 55 [2021-01-20 17:53:24,134 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 49 [2021-01-20 17:53:24,885 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2021-01-20 17:53:25,395 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2021-01-20 17:53:25,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:25,723 INFO L93 Difference]: Finished difference Result 13842 states and 34694 transitions. [2021-01-20 17:53:25,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-01-20 17:53:25,724 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 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 177 [2021-01-20 17:53:25,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:25,727 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=880, Invalid=3812, Unknown=0, NotChecked=0, Total=4692 [2021-01-20 17:53:25,727 INFO L78 Accepts]: Start accepts. Automaton has 13842 states and 34694 transitions. Word has length 177 [2021-01-20 17:53:25,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:25,728 INFO L481 AbstractCegarLoop]: Abstraction has 13842 states and 34694 transitions. [2021-01-20 17:53:25,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 13842 states and 34694 transitions. [2021-01-20 17:53:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:53:25,737 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:25,737 INFO L504 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] [2021-01-20 17:53:25,737 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-20 17:53:25,737 INFO L429 AbstractCegarLoop]: === Iteration 17 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:53:25,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:25,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1994799149, now seen corresponding path program 1 times [2021-01-20 17:53:25,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:25,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10452559] [2021-01-20 17:53:25,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:26,822 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:53:27,074 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:53:27,456 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 17:53:27,795 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 17:53:28,066 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:53:28,332 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:53:28,880 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:53:29,365 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:53:30,163 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2021-01-20 17:53:30,670 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-01-20 17:53:30,876 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-01-20 17:53:31,083 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-01-20 17:53:31,351 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2021-01-20 17:53:31,580 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2021-01-20 17:53:31,989 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:53:32,191 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2021-01-20 17:53:33,985 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:53:34,317 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:53:34,622 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:53:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:37,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10452559] [2021-01-20 17:53:37,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:37,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:53:37,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073948703] [2021-01-20 17:53:37,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:53:37,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:37,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:53:37,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:53:37,317 INFO L87 Difference]: Start difference. First operand 13842 states and 34694 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:39,728 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 17:53:39,995 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 17:53:40,282 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 17:53:41,375 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2021-01-20 17:53:41,973 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2021-01-20 17:53:42,419 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 49 [2021-01-20 17:53:42,991 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-01-20 17:53:43,815 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-01-20 17:53:44,650 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-01-20 17:53:46,500 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:53:46,862 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2021-01-20 17:53:47,084 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 17:53:47,520 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-01-20 17:53:47,793 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:53:48,934 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:53:49,609 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:53:50,126 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-20 17:53:50,851 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-01-20 17:53:51,593 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:53:52,069 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:53:53,047 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:53:53,654 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:53:54,179 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:53:54,795 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:53:55,379 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:53:55,976 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:53:56,309 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:53:58,340 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:53:58,952 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:53:59,757 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:54:00,139 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:54:01,054 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:54:01,699 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:54:02,253 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:54:02,553 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:03,369 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:54:03,745 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:54:04,739 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:54:05,126 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 17:54:06,041 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:06,767 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 17:54:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:54:08,563 INFO L93 Difference]: Finished difference Result 18360 states and 45740 transitions. [2021-01-20 17:54:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-01-20 17:54:08,564 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:54:08,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:54:08,569 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 7 SyntacticMatches, 14 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4459 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=1548, Invalid=14454, Unknown=0, NotChecked=0, Total=16002 [2021-01-20 17:54:08,570 INFO L78 Accepts]: Start accepts. Automaton has 18360 states and 45740 transitions. Word has length 181 [2021-01-20 17:54:08,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:54:08,570 INFO L481 AbstractCegarLoop]: Abstraction has 18360 states and 45740 transitions. [2021-01-20 17:54:08,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 18360 states and 45740 transitions. [2021-01-20 17:54:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:54:08,588 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:54:08,589 INFO L504 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] [2021-01-20 17:54:08,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-20 17:54:08,589 INFO L429 AbstractCegarLoop]: === Iteration 18 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:54:08,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:54:08,590 INFO L82 PathProgramCache]: Analyzing trace with hash -2133978695, now seen corresponding path program 2 times [2021-01-20 17:54:08,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:54:08,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107694544] [2021-01-20 17:54:08,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:54:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:54:09,627 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:54:09,895 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:54:10,356 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 17:54:10,742 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 17:54:11,075 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:54:11,398 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:54:12,135 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:54:12,709 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:54:13,722 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 17:54:14,093 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-01-20 17:54:14,323 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-01-20 17:54:14,557 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2021-01-20 17:54:14,849 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2021-01-20 17:54:15,106 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2021-01-20 17:54:15,453 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:54:15,703 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2021-01-20 17:54:16,661 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 17:54:16,852 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:54:17,556 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:54:17,890 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:54:18,237 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:54:18,545 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:54:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:54:21,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107694544] [2021-01-20 17:54:21,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:54:21,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:54:21,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099798161] [2021-01-20 17:54:21,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:54:21,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:54:21,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:54:21,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:54:21,250 INFO L87 Difference]: Start difference. First operand 18360 states and 45740 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:23,288 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 17:54:23,634 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 17:54:23,998 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 17:54:24,999 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 17:54:25,318 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 17:54:26,028 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 42 [2021-01-20 17:54:26,744 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 46 [2021-01-20 17:54:27,247 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 49 [2021-01-20 17:54:27,862 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 51 [2021-01-20 17:54:28,805 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-01-20 17:54:29,721 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2021-01-20 17:54:30,775 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:54:31,087 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2021-01-20 17:54:31,428 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-01-20 17:54:31,662 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:54:32,055 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 17:54:32,542 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:54:33,121 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:54:33,585 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-20 17:54:34,210 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-01-20 17:54:34,748 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:54:35,237 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:54:35,896 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:54:36,570 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:54:37,095 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:54:37,679 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:54:38,228 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:54:38,788 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:54:39,178 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:54:41,079 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:54:41,681 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:54:42,527 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:54:42,951 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:54:43,846 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:54:44,496 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:54:45,027 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:54:45,355 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:45,664 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:54:45,883 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:54:46,383 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:54:47,802 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:54:48,186 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 17:54:49,128 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:49,882 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 17:54:51,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:54:51,507 INFO L93 Difference]: Finished difference Result 22380 states and 55506 transitions. [2021-01-20 17:54:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-01-20 17:54:51,508 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:54:51,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:54:51,515 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 8 SyntacticMatches, 13 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4418 ImplicationChecksByTransitivity, 29.8s TimeCoverageRelationStatistics Valid=1551, Invalid=14451, Unknown=0, NotChecked=0, Total=16002 [2021-01-20 17:54:51,515 INFO L78 Accepts]: Start accepts. Automaton has 22380 states and 55506 transitions. Word has length 181 [2021-01-20 17:54:51,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:54:51,515 INFO L481 AbstractCegarLoop]: Abstraction has 22380 states and 55506 transitions. [2021-01-20 17:54:51,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 22380 states and 55506 transitions. [2021-01-20 17:54:51,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:54:51,537 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:54:51,537 INFO L504 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] [2021-01-20 17:54:51,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-20 17:54:51,538 INFO L429 AbstractCegarLoop]: === Iteration 19 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:54:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:54:51,538 INFO L82 PathProgramCache]: Analyzing trace with hash -717794221, now seen corresponding path program 3 times [2021-01-20 17:54:51,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:54:51,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73176242] [2021-01-20 17:54:51,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:54:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:54:52,634 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:54:52,913 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:54:53,397 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 17:54:53,840 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 17:54:54,178 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:54:54,550 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:54:55,319 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:54:55,944 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:54:57,011 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 17:54:57,234 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:54:57,462 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:54:57,769 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-20 17:54:58,026 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-20 17:54:58,382 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:54:58,638 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:54:58,906 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2021-01-20 17:54:59,533 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 17:54:59,767 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 17:55:00,010 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:55:00,887 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:55:01,290 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:55:01,712 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:55:02,110 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:55:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:55:05,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73176242] [2021-01-20 17:55:05,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:55:05,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:55:05,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286040890] [2021-01-20 17:55:05,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:55:05,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:55:05,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:55:05,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=2361, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:55:05,501 INFO L87 Difference]: Start difference. First operand 22380 states and 55506 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:55:07,420 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:55:07,765 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 17:55:08,125 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 17:55:08,497 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 17:55:09,457 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 17:55:09,767 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 17:55:10,458 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2021-01-20 17:55:11,101 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-01-20 17:55:11,614 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2021-01-20 17:55:12,309 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 68 [2021-01-20 17:55:12,746 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2021-01-20 17:55:13,773 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 17:55:14,275 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2021-01-20 17:55:15,274 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 17:55:16,243 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 17:55:17,546 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 17:55:19,666 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-01-20 17:55:20,737 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 70 [2021-01-20 17:55:21,641 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:55:23,149 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:55:23,506 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2021-01-20 17:55:23,947 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-01-20 17:55:24,225 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:55:24,781 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 17:55:25,391 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:55:26,028 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:55:26,569 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-20 17:55:27,286 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-01-20 17:55:27,890 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:55:28,379 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:55:29,140 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:55:29,930 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:55:30,527 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:55:31,168 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:55:31,800 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:55:32,196 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:55:32,457 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:55:32,885 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:55:35,180 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:55:35,866 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:55:36,780 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:55:37,241 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:55:38,215 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:55:38,570 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:55:38,922 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:55:39,518 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:55:39,850 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:55:40,171 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:55:40,398 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:55:40,790 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:55:41,171 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:55:41,454 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:55:41,769 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:55:42,660 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:55:43,076 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 17:55:44,162 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:55:44,512 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:55:45,008 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 17:55:46,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:55:46,973 INFO L93 Difference]: Finished difference Result 26564 states and 65646 transitions. [2021-01-20 17:55:46,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-01-20 17:55:46,982 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:55:46,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:55:46,987 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 7 SyntacticMatches, 13 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5007 ImplicationChecksByTransitivity, 38.0s TimeCoverageRelationStatistics Valid=1729, Invalid=16093, Unknown=0, NotChecked=0, Total=17822 [2021-01-20 17:55:46,987 INFO L78 Accepts]: Start accepts. Automaton has 26564 states and 65646 transitions. Word has length 181 [2021-01-20 17:55:46,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:55:46,988 INFO L481 AbstractCegarLoop]: Abstraction has 26564 states and 65646 transitions. [2021-01-20 17:55:46,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:55:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 26564 states and 65646 transitions. [2021-01-20 17:55:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:55:47,014 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:55:47,015 INFO L504 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] [2021-01-20 17:55:47,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-20 17:55:47,015 INFO L429 AbstractCegarLoop]: === Iteration 20 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:55:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:55:47,016 INFO L82 PathProgramCache]: Analyzing trace with hash 852186259, now seen corresponding path program 4 times [2021-01-20 17:55:47,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:55:47,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043098943] [2021-01-20 17:55:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:55:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:55:48,272 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:55:48,601 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:55:49,136 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 17:55:49,631 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 17:55:50,025 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:55:50,433 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:55:51,294 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:55:51,998 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:55:53,198 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 17:55:53,436 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:55:53,686 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:55:54,013 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-20 17:55:54,292 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-20 17:55:54,668 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2021-01-20 17:55:54,934 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-01-20 17:55:55,837 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 17:55:56,088 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 17:55:56,346 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:55:57,025 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:55:57,308 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:55:57,745 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:55:58,195 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:55:58,612 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:56:02,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:56:02,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043098943] [2021-01-20 17:56:02,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:56:02,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:56:02,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345308900] [2021-01-20 17:56:02,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:56:02,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:56:02,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:56:02,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2350, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:56:02,440 INFO L87 Difference]: Start difference. First operand 26564 states and 65646 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:56:04,536 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:56:04,897 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 17:56:05,270 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 17:56:05,659 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 17:56:06,566 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 17:56:06,894 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 17:56:07,606 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2021-01-20 17:56:08,265 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-01-20 17:56:08,761 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2021-01-20 17:56:09,486 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 68 [2021-01-20 17:56:09,951 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2021-01-20 17:56:11,075 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 17:56:11,609 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2021-01-20 17:56:12,687 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 17:56:13,724 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 17:56:15,035 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 17:56:16,124 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:56:17,128 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:56:17,522 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-01-20 17:56:18,068 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:56:18,594 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:56:19,799 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-01-20 17:56:20,074 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:56:20,297 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-01-20 17:56:20,775 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2021-01-20 17:56:21,271 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 17:56:22,793 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:56:23,556 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2021-01-20 17:56:24,498 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 17:56:25,131 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-20 17:56:25,553 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2021-01-20 17:56:26,322 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-01-20 17:56:26,798 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2021-01-20 17:56:27,525 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:56:28,036 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2021-01-20 17:56:28,621 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:56:29,892 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 17:56:30,872 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:56:31,758 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:56:32,605 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:56:33,390 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:56:33,903 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:56:34,202 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:56:34,739 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 17:56:35,030 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2021-01-20 17:56:38,212 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:56:39,066 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:56:40,238 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:56:40,829 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:56:41,526 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 17:56:42,051 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:56:42,531 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:56:42,919 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:56:43,390 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:56:43,651 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:56:44,021 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:56:44,390 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:56:44,630 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:56:45,141 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:56:45,364 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:56:45,715 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:56:46,130 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:56:47,633 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:56:48,189 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 17:56:48,967 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:56:49,281 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 17:56:49,817 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:56:50,181 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:56:50,724 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 17:56:53,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:56:53,077 INFO L93 Difference]: Finished difference Result 32688 states and 80663 transitions. [2021-01-20 17:56:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2021-01-20 17:56:53,080 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:56:53,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:56:53,083 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 7 SyntacticMatches, 13 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5953 ImplicationChecksByTransitivity, 43.0s TimeCoverageRelationStatistics Valid=2020, Invalid=18286, Unknown=0, NotChecked=0, Total=20306 [2021-01-20 17:56:53,083 INFO L78 Accepts]: Start accepts. Automaton has 32688 states and 80663 transitions. Word has length 181 [2021-01-20 17:56:53,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:56:53,084 INFO L481 AbstractCegarLoop]: Abstraction has 32688 states and 80663 transitions. [2021-01-20 17:56:53,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:56:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 32688 states and 80663 transitions. [2021-01-20 17:56:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:56:53,116 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:56:53,117 INFO L504 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] [2021-01-20 17:56:53,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-20 17:56:53,117 INFO L429 AbstractCegarLoop]: === Iteration 21 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:56:53,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:56:53,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1988456775, now seen corresponding path program 5 times [2021-01-20 17:56:53,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:56:53,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300263596] [2021-01-20 17:56:53,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:56:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:56:54,489 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:56:54,874 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:56:55,495 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 17:56:56,059 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 17:56:56,509 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:56:57,007 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:56:57,978 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:56:58,753 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:57:00,078 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 17:57:00,351 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:57:00,635 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:57:01,002 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-20 17:57:01,312 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-20 17:57:01,726 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2021-01-20 17:57:02,030 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-01-20 17:57:02,278 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:57:02,524 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 17:57:02,764 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:57:03,040 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:57:03,307 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:57:03,779 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-01-20 17:57:04,293 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:57:04,597 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:57:05,101 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:57:05,614 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:57:06,092 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:57:06,573 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:57:07,578 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:57:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:57:10,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300263596] [2021-01-20 17:57:10,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:57:10,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:57:10,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152377250] [2021-01-20 17:57:10,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:57:10,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:57:10,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:57:10,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:57:10,216 INFO L87 Difference]: Start difference. First operand 32688 states and 80663 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:57:12,599 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:57:12,990 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 17:57:13,392 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 17:57:13,807 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 17:57:14,968 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 17:57:15,329 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 17:57:16,135 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2021-01-20 17:57:16,871 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-01-20 17:57:17,455 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2021-01-20 17:57:18,279 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 68 [2021-01-20 17:57:18,799 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2021-01-20 17:57:20,170 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 17:57:20,749 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2021-01-20 17:57:21,986 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 17:57:23,191 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 17:57:24,820 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 17:57:25,901 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:57:27,103 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:57:27,545 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-01-20 17:57:28,111 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:57:28,697 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:57:30,355 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 17:57:30,857 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 17:57:31,861 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 17:57:32,627 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-01-20 17:57:33,780 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-01-20 17:57:35,550 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2021-01-20 17:57:36,249 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-01-20 17:57:36,902 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 17:57:38,167 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-01-20 17:57:38,506 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-01-20 17:57:39,627 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-01-20 17:57:40,087 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:57:40,843 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:57:41,719 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:57:42,427 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-20 17:57:42,973 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:57:43,512 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:57:43,837 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:57:44,360 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-01-20 17:57:44,859 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 17:57:45,223 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 17:57:47,227 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-20 17:57:48,526 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:57:49,401 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:57:50,608 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:57:51,211 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:57:51,655 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:57:51,893 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 17:57:52,429 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:57:52,867 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:57:53,285 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:57:53,718 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:57:53,990 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:57:54,397 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:57:54,773 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:57:55,033 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:57:55,529 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:57:55,775 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:57:56,160 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:57:56,590 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:57:58,129 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:57:58,647 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 17:57:59,110 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:57:59,452 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 17:58:00,031 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:58:00,446 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:58:01,078 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 17:58:02,193 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 17:58:03,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:58:03,540 INFO L93 Difference]: Finished difference Result 37331 states and 92095 transitions. [2021-01-20 17:58:03,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2021-01-20 17:58:03,542 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:58:03,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:58:03,544 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 7 SyntacticMatches, 13 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5305 ImplicationChecksByTransitivity, 47.2s TimeCoverageRelationStatistics Valid=1787, Invalid=16845, Unknown=0, NotChecked=0, Total=18632 [2021-01-20 17:58:03,545 INFO L78 Accepts]: Start accepts. Automaton has 37331 states and 92095 transitions. Word has length 181 [2021-01-20 17:58:03,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:58:03,545 INFO L481 AbstractCegarLoop]: Abstraction has 37331 states and 92095 transitions. [2021-01-20 17:58:03,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:58:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 37331 states and 92095 transitions. [2021-01-20 17:58:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:58:03,571 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:58:03,571 INFO L504 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] [2021-01-20 17:58:03,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-20 17:58:03,571 INFO L429 AbstractCegarLoop]: === Iteration 22 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:58:03,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:58:03,572 INFO L82 PathProgramCache]: Analyzing trace with hash -878825517, now seen corresponding path program 6 times [2021-01-20 17:58:03,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:58:03,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932708462] [2021-01-20 17:58:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:58:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:58:04,993 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:58:05,433 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:58:06,144 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 17:58:06,803 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 17:58:07,322 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:58:07,906 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:58:08,986 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:58:09,888 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:58:11,449 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 17:58:11,758 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:58:12,068 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:58:12,500 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-20 17:58:12,843 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-20 17:58:13,306 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2021-01-20 17:58:13,652 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-01-20 17:58:13,932 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:58:14,213 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 17:58:14,489 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:58:14,810 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:58:15,132 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:58:15,388 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 17:58:15,886 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-01-20 17:58:16,219 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:58:16,599 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:58:17,189 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:58:17,911 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:58:18,583 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:58:19,248 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:58:19,566 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:58:19,893 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:58:20,215 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 17:58:20,597 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:58:20,962 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:58:21,324 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:58:21,650 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 17:58:22,049 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:58:22,941 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:58:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:58:23,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932708462] [2021-01-20 17:58:23,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:58:23,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:58:23,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823379523] [2021-01-20 17:58:23,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:58:23,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:58:23,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:58:23,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:58:23,738 INFO L87 Difference]: Start difference. First operand 37331 states and 92095 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:58:25,628 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 17:58:26,322 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:58:26,747 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 17:58:27,170 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 17:58:27,623 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 17:58:28,857 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 17:58:29,239 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 17:58:30,103 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2021-01-20 17:58:30,873 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-01-20 17:58:31,461 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2021-01-20 17:58:32,351 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 68 [2021-01-20 17:58:32,901 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2021-01-20 17:58:34,586 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 17:58:35,208 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2021-01-20 17:58:36,603 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 17:58:37,937 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 17:58:39,749 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 17:58:40,940 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:58:42,186 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:58:42,601 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-01-20 17:58:43,165 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:58:43,762 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:58:45,470 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 17:58:46,024 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 17:58:47,014 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 17:58:47,826 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-01-20 17:58:48,964 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-01-20 17:58:49,760 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-01-20 17:58:50,423 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 17:58:51,981 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-01-20 17:58:52,572 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 17:58:53,881 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-01-20 17:58:54,245 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 17:58:55,295 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:58:55,740 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:58:56,479 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:58:57,361 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:58:58,202 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:58:58,735 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:58:59,230 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2021-01-20 17:58:59,573 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 17:59:01,644 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:59:02,479 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:59:03,155 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 17:59:03,647 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:59:04,267 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:59:04,685 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:59:04,948 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 17:59:05,518 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:59:05,943 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:59:06,412 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:59:06,863 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:59:07,154 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:59:07,581 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:59:07,964 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:59:08,243 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:59:08,729 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:59:08,989 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:59:09,362 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:59:09,809 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:59:11,033 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:59:11,610 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 17:59:12,118 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:59:12,494 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 17:59:13,156 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:59:13,625 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:59:14,498 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 17:59:15,600 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 17:59:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:59:16,795 INFO L93 Difference]: Finished difference Result 39851 states and 98450 transitions. [2021-01-20 17:59:16,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2021-01-20 17:59:16,799 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 17:59:16,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:59:16,801 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 7 SyntacticMatches, 13 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4990 ImplicationChecksByTransitivity, 51.7s TimeCoverageRelationStatistics Valid=1736, Invalid=16086, Unknown=0, NotChecked=0, Total=17822 [2021-01-20 17:59:16,801 INFO L78 Accepts]: Start accepts. Automaton has 39851 states and 98450 transitions. Word has length 181 [2021-01-20 17:59:16,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:59:16,802 INFO L481 AbstractCegarLoop]: Abstraction has 39851 states and 98450 transitions. [2021-01-20 17:59:16,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:59:16,802 INFO L276 IsEmpty]: Start isEmpty. Operand 39851 states and 98450 transitions. [2021-01-20 17:59:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:59:16,827 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:59:16,827 INFO L504 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] [2021-01-20 17:59:16,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-20 17:59:16,827 INFO L429 AbstractCegarLoop]: === Iteration 23 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 17:59:16,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:59:16,828 INFO L82 PathProgramCache]: Analyzing trace with hash -511751047, now seen corresponding path program 7 times [2021-01-20 17:59:16,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:59:16,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25708572] [2021-01-20 17:59:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:59:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:59:17,659 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-01-20 17:59:17,818 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 17:59:17,982 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 17:59:18,483 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 17:59:18,960 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:59:19,764 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 17:59:20,536 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 17:59:21,143 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 17:59:21,830 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:59:23,088 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:59:24,123 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:59:25,895 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 17:59:26,227 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:59:26,571 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 17:59:27,036 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-20 17:59:27,433 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-20 17:59:27,947 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2021-01-20 17:59:28,334 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-01-20 17:59:28,641 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:59:28,959 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 17:59:29,262 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:59:29,616 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:59:29,992 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:59:30,279 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 17:59:30,552 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-01-20 17:59:30,887 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 17:59:31,275 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:59:31,680 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:59:32,364 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:59:33,044 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:59:33,657 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:59:34,268 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:59:34,570 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:59:34,874 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:59:35,177 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 17:59:35,541 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:59:35,895 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:59:36,253 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:59:36,593 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 17:59:37,003 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:59:37,984 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:59:38,354 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 17:59:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:59:38,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25708572] [2021-01-20 17:59:38,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:59:38,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:59:38,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082337786] [2021-01-20 17:59:38,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:59:38,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:59:38,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:59:38,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:59:38,623 INFO L87 Difference]: Start difference. First operand 39851 states and 98450 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:59:40,918 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 17:59:41,599 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 17:59:42,050 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 17:59:42,504 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 17:59:42,984 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 17:59:44,292 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 17:59:44,709 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 17:59:45,607 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2021-01-20 17:59:46,475 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-01-20 17:59:47,106 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2021-01-20 17:59:48,015 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 68 [2021-01-20 17:59:48,606 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2021-01-20 17:59:50,402 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 17:59:51,066 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2021-01-20 17:59:52,683 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 17:59:54,299 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 17:59:56,415 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 17:59:57,849 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:59:59,335 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:59:59,834 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-01-20 18:00:00,516 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:00:01,235 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 18:00:03,273 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 18:00:03,899 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:00:05,048 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 18:00:06,002 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-01-20 18:00:07,190 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-01-20 18:00:08,172 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-01-20 18:00:08,989 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:00:10,968 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-01-20 18:00:11,850 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 18:00:12,634 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-01-20 18:00:14,373 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 63 [2021-01-20 18:00:14,827 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-20 18:00:16,303 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 18:00:17,207 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:00:17,717 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 18:00:18,585 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 18:00:19,446 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:00:20,007 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 18:00:20,431 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:00:21,036 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:00:21,414 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:00:23,637 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:00:24,591 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:00:25,353 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:00:25,903 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:00:26,574 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:00:27,047 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:00:27,351 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:00:27,975 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:00:28,429 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:00:28,958 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:00:29,406 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:00:29,748 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:00:30,235 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:00:30,666 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:00:30,994 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:00:31,511 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:00:31,819 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:00:32,231 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:00:32,708 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:00:33,959 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:00:34,582 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 18:00:35,101 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:00:35,507 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:00:36,212 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:00:36,752 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:00:37,605 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 18:00:38,904 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:00:40,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:00:40,450 INFO L93 Difference]: Finished difference Result 43469 states and 107746 transitions. [2021-01-20 18:00:40,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-01-20 18:00:40,454 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:00:40,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:00:40,456 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 7 SyntacticMatches, 13 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5179 ImplicationChecksByTransitivity, 58.7s TimeCoverageRelationStatistics Valid=1767, Invalid=16593, Unknown=0, NotChecked=0, Total=18360 [2021-01-20 18:00:40,456 INFO L78 Accepts]: Start accepts. Automaton has 43469 states and 107746 transitions. Word has length 181 [2021-01-20 18:00:40,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:00:40,457 INFO L481 AbstractCegarLoop]: Abstraction has 43469 states and 107746 transitions. [2021-01-20 18:00:40,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:00:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 43469 states and 107746 transitions. [2021-01-20 18:00:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:00:40,485 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:00:40,485 INFO L504 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] [2021-01-20 18:00:40,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-20 18:00:40,485 INFO L429 AbstractCegarLoop]: === Iteration 24 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:00:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:00:40,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1597727161, now seen corresponding path program 8 times [2021-01-20 18:00:40,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:00:40,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492533697] [2021-01-20 18:00:40,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:00:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:00:41,405 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-01-20 18:00:41,600 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 18:00:41,790 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 18:00:42,419 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 18:00:43,024 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:00:43,935 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 18:00:44,839 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 18:00:45,543 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:00:46,324 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:00:47,704 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:00:48,880 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:00:50,853 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 18:00:51,232 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 18:00:51,616 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 18:00:52,132 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-20 18:00:52,582 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-20 18:00:53,160 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2021-01-20 18:00:53,605 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-01-20 18:00:53,947 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 18:00:54,300 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 18:00:54,641 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 18:00:55,036 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 18:00:55,443 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 18:00:55,746 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 18:00:56,042 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-01-20 18:00:56,407 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 18:00:56,838 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-01-20 18:00:57,297 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 18:00:57,920 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2021-01-20 18:00:58,708 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 18:00:59,319 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2021-01-20 18:01:00,058 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:01:00,413 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:01:00,761 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:01:01,114 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:01:01,547 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:01:01,949 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:01:02,368 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:01:02,741 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:01:03,174 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:01:04,427 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:01:04,805 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:01:05,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:01:05,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492533697] [2021-01-20 18:01:05,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:01:05,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 18:01:05,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887690452] [2021-01-20 18:01:05,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 18:01:05,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:01:05,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 18:01:05,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2362, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 18:01:05,070 INFO L87 Difference]: Start difference. First operand 43469 states and 107746 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:01:07,287 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 18:01:07,606 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 18:01:08,421 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 18:01:08,909 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 18:01:09,407 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 18:01:09,944 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 18:01:11,360 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 18:01:11,804 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 18:01:12,779 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2021-01-20 18:01:13,640 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-01-20 18:01:14,308 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2021-01-20 18:01:15,299 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 68 [2021-01-20 18:01:15,919 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2021-01-20 18:01:17,895 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 18:01:18,591 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2021-01-20 18:01:20,374 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 18:01:22,146 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 18:01:24,463 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 18:01:26,372 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:01:27,785 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:01:28,272 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-01-20 18:01:29,064 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:01:29,780 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 18:01:31,635 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 18:01:32,293 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:01:33,518 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 18:01:34,548 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-01-20 18:01:35,851 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 72 [2021-01-20 18:01:36,952 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2021-01-20 18:01:37,851 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:01:39,750 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 68 [2021-01-20 18:01:40,475 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2021-01-20 18:01:41,352 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2021-01-20 18:01:43,228 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 63 [2021-01-20 18:01:43,749 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-20 18:01:44,990 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-01-20 18:01:46,358 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-01-20 18:01:47,602 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:01:48,261 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 18:01:49,471 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2021-01-20 18:01:50,583 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:01:51,374 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 18:01:51,858 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:01:52,539 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-01-20 18:01:56,201 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-20 18:01:57,285 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:01:57,556 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:01:58,188 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:01:58,629 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-01-20 18:01:59,209 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-20 18:01:59,753 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:02:00,079 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:02:00,550 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-20 18:02:01,096 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:02:01,459 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-20 18:02:02,010 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:02:02,378 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:02:02,726 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:02:03,214 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:02:03,560 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:02:04,188 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:02:04,513 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:02:05,078 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:02:05,680 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:02:07,108 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-20 18:02:07,824 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 68 [2021-01-20 18:02:08,519 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:02:09,037 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:02:09,873 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:02:10,457 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:02:11,291 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 18:02:11,994 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:02:12,923 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:02:14,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:02:14,857 INFO L93 Difference]: Finished difference Result 45155 states and 111987 transitions. [2021-01-20 18:02:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-01-20 18:02:14,862 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:02:14,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:02:14,864 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 7 SyntacticMatches, 13 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5266 ImplicationChecksByTransitivity, 64.1s TimeCoverageRelationStatistics Valid=1779, Invalid=16853, Unknown=0, NotChecked=0, Total=18632 [2021-01-20 18:02:14,865 INFO L78 Accepts]: Start accepts. Automaton has 45155 states and 111987 transitions. Word has length 181 [2021-01-20 18:02:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:02:14,865 INFO L481 AbstractCegarLoop]: Abstraction has 45155 states and 111987 transitions. [2021-01-20 18:02:14,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:02:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 45155 states and 111987 transitions. [2021-01-20 18:02:14,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:02:14,895 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:02:14,895 INFO L504 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] [2021-01-20 18:02:14,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-20 18:02:14,895 INFO L429 AbstractCegarLoop]: === Iteration 25 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:02:14,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:02:14,896 INFO L82 PathProgramCache]: Analyzing trace with hash 703394041, now seen corresponding path program 9 times [2021-01-20 18:02:14,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:02:14,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258044672] [2021-01-20 18:02:14,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:02:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:02:15,815 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2021-01-20 18:02:16,721 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2021-01-20 18:02:17,354 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-20 18:02:18,249 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2021-01-20 18:02:19,044 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2021-01-20 18:02:19,744 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:02:20,531 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 18:02:22,524 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2021-01-20 18:02:24,011 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-01-20 18:02:25,582 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-01-20 18:02:25,921 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2021-01-20 18:02:26,266 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2021-01-20 18:02:26,779 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2021-01-20 18:02:27,218 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2021-01-20 18:02:27,801 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2021-01-20 18:02:28,255 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2021-01-20 18:02:28,537 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2021-01-20 18:02:28,834 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-20 18:02:29,177 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-01-20 18:02:29,716 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 18:02:30,148 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-01-20 18:02:30,879 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2021-01-20 18:02:31,630 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2021-01-20 18:02:32,175 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2021-01-20 18:02:33,137 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2021-01-20 18:02:33,610 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:02:33,961 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:02:34,315 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:02:34,662 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:02:35,078 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:02:35,472 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:02:35,886 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:02:36,259 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:02:36,697 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:02:37,773 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:02:38,197 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:02:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:02:38,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258044672] [2021-01-20 18:02:38,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:02:38,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-01-20 18:02:38,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293323469] [2021-01-20 18:02:38,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-01-20 18:02:38,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:02:38,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-01-20 18:02:38,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2021-01-20 18:02:38,453 INFO L87 Difference]: Start difference. First operand 45155 states and 111987 transitions. Second operand has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:02:41,455 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 18:02:41,838 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2021-01-20 18:02:42,910 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2021-01-20 18:02:43,562 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2021-01-20 18:02:44,221 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 53 [2021-01-20 18:02:44,898 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 56 [2021-01-20 18:02:46,616 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2021-01-20 18:02:47,069 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 40 [2021-01-20 18:02:48,061 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 63 [2021-01-20 18:02:48,906 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2021-01-20 18:02:49,602 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 18:02:50,585 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 68 [2021-01-20 18:02:51,223 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 47 [2021-01-20 18:02:53,285 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 18:02:53,999 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 49 [2021-01-20 18:02:55,811 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 18:02:57,662 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 18:03:00,243 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 18:03:02,807 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:03:04,574 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:03:05,183 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-01-20 18:03:06,090 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2021-01-20 18:03:06,902 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-01-20 18:03:10,119 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-01-20 18:03:12,519 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-01-20 18:03:13,241 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:03:15,511 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2021-01-20 18:03:16,841 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 18:03:17,267 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-01-20 18:03:18,743 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:03:20,143 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2021-01-20 18:03:20,795 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2021-01-20 18:03:22,236 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 56 [2021-01-20 18:03:22,927 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-20 18:03:23,600 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:03:25,709 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 52 [2021-01-20 18:03:27,232 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 59 [2021-01-20 18:03:28,181 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-01-20 18:03:28,529 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-01-20 18:03:29,109 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2021-01-20 18:03:29,634 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:03:34,307 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:03:34,906 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:03:35,580 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:03:35,882 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:03:36,675 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:03:37,399 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:03:38,317 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:03:38,990 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:03:39,353 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:03:40,149 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:03:40,792 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:03:41,420 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:03:42,066 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:03:42,485 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:03:43,070 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:03:43,645 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:03:44,029 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:03:44,766 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:03:45,131 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:03:45,699 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:03:46,328 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:03:48,412 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:03:49,184 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 18:03:49,991 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:03:50,647 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:03:51,615 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:03:52,245 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:03:53,309 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 18:03:54,057 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:03:55,144 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:03:57,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:03:57,398 INFO L93 Difference]: Finished difference Result 46373 states and 115380 transitions. [2021-01-20 18:03:57,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2021-01-20 18:03:57,403 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:03:57,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:03:57,405 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 5 SyntacticMatches, 16 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5053 ImplicationChecksByTransitivity, 61.3s TimeCoverageRelationStatistics Valid=1574, Invalid=15718, Unknown=0, NotChecked=0, Total=17292 [2021-01-20 18:03:57,405 INFO L78 Accepts]: Start accepts. Automaton has 46373 states and 115380 transitions. Word has length 181 [2021-01-20 18:03:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:03:57,406 INFO L481 AbstractCegarLoop]: Abstraction has 46373 states and 115380 transitions. [2021-01-20 18:03:57,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:03:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 46373 states and 115380 transitions. [2021-01-20 18:03:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:03:57,433 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:03:57,433 INFO L504 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] [2021-01-20 18:03:57,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-20 18:03:57,433 INFO L429 AbstractCegarLoop]: === Iteration 26 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:03:57,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:03:57,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1352440787, now seen corresponding path program 10 times [2021-01-20 18:03:57,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:03:57,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923130602] [2021-01-20 18:03:57,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:03:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:03:58,310 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-01-20 18:03:58,482 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 18:03:58,664 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 18:03:59,329 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 18:04:00,009 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:04:01,147 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 18:04:02,189 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 18:04:03,005 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:04:03,966 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:04:05,743 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:04:07,179 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:04:09,590 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 18:04:10,013 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 18:04:10,455 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 18:04:11,044 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2021-01-20 18:04:11,560 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2021-01-20 18:04:12,249 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2021-01-20 18:04:12,764 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 30 [2021-01-20 18:04:13,308 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2021-01-20 18:04:13,734 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 18:04:14,175 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-01-20 18:04:14,602 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 18:04:15,098 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 18:04:15,604 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 18:04:15,987 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-01-20 18:04:16,368 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-01-20 18:04:16,859 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 18:04:17,409 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 18:04:18,332 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 18:04:19,243 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 18:04:20,073 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 18:04:20,906 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:04:21,303 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:04:21,710 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:04:22,114 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:04:22,594 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:04:23,045 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:04:23,525 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:04:23,964 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:04:24,462 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:04:25,739 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:04:26,224 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:04:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:26,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923130602] [2021-01-20 18:04:26,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:04:26,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 18:04:26,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724564079] [2021-01-20 18:04:26,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 18:04:26,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:26,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 18:04:26,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2363, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 18:04:26,642 INFO L87 Difference]: Start difference. First operand 46373 states and 115380 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:29,365 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 18:04:29,747 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2021-01-20 18:04:30,686 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2021-01-20 18:04:31,220 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 50 [2021-01-20 18:04:31,758 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2021-01-20 18:04:32,343 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2021-01-20 18:04:34,109 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-01-20 18:04:34,609 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 40 [2021-01-20 18:04:35,686 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 63 [2021-01-20 18:04:36,636 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2021-01-20 18:04:37,419 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2021-01-20 18:04:38,597 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 68 [2021-01-20 18:04:39,296 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2021-01-20 18:04:41,595 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 116 DAG size of output: 82 [2021-01-20 18:04:42,410 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 49 [2021-01-20 18:04:44,490 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 108 DAG size of output: 80 [2021-01-20 18:04:46,520 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-01-20 18:04:49,393 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2021-01-20 18:04:51,815 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:04:53,896 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:04:54,569 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2021-01-20 18:04:55,691 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2021-01-20 18:04:56,574 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-01-20 18:04:58,262 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2021-01-20 18:04:58,787 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2021-01-20 18:04:59,643 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-01-20 18:05:00,181 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-01-20 18:05:00,705 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:05:02,075 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2021-01-20 18:05:03,997 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 18:05:05,428 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 61 [2021-01-20 18:05:06,670 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2021-01-20 18:05:08,309 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-01-20 18:05:09,614 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 18:05:10,669 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 18:05:12,209 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2021-01-20 18:05:13,857 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 18:05:15,085 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:05:16,477 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 18:05:17,741 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:05:18,622 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 18:05:19,175 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:05:20,101 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 18:05:20,656 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:05:24,994 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:05:25,594 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:05:26,318 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:05:26,635 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:05:27,440 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:05:28,194 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:05:29,120 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:05:29,817 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:05:30,197 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:05:31,185 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:05:31,812 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:05:32,454 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:05:33,063 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:05:33,483 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:05:34,077 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:05:34,632 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:05:35,027 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:05:35,728 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:05:36,106 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:05:36,653 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:05:37,361 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:05:39,291 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:05:40,113 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2021-01-20 18:05:40,897 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:05:41,512 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:05:42,441 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:05:43,078 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:05:44,033 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 64 [2021-01-20 18:05:44,863 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:05:45,976 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:05:48,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:05:48,333 INFO L93 Difference]: Finished difference Result 50057 states and 124409 transitions. [2021-01-20 18:05:48,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2021-01-20 18:05:48,339 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 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 181 [2021-01-20 18:05:48,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:05:48,341 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 7 SyntacticMatches, 13 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5205 ImplicationChecksByTransitivity, 74.3s TimeCoverageRelationStatistics Valid=1729, Invalid=16631, Unknown=0, NotChecked=0, Total=18360 [2021-01-20 18:05:48,341 INFO L78 Accepts]: Start accepts. Automaton has 50057 states and 124409 transitions. Word has length 181 [2021-01-20 18:05:48,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:05:48,342 INFO L481 AbstractCegarLoop]: Abstraction has 50057 states and 124409 transitions. [2021-01-20 18:05:48,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 50057 states and 124409 transitions. [2021-01-20 18:05:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:05:48,374 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:05:48,374 INFO L504 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] [2021-01-20 18:05:48,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-20 18:05:48,374 INFO L429 AbstractCegarLoop]: === Iteration 27 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-20 18:05:48,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:05:48,374 INFO L82 PathProgramCache]: Analyzing trace with hash 840449337, now seen corresponding path program 11 times [2021-01-20 18:05:48,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:05:48,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772417288] [2021-01-20 18:05:48,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:05:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:49,355 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 22 [2021-01-20 18:05:49,572 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 22 [2021-01-20 18:05:49,797 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2021-01-20 18:05:50,572 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2021-01-20 18:05:51,307 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:05:52,524 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 52 [2021-01-20 18:05:53,693 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2021-01-20 18:05:54,629 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2021-01-20 18:05:55,674 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:05:57,635 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:05:59,206 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:06:02,005 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 18:06:02,483 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 18:06:02,965 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2021-01-20 18:06:03,606 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 Received shutdown request... [2021-01-20 18:06:03,991 WARN L210 SmtUtils]: Removed 2 from assertion stack [2021-01-20 18:06:03,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-20 18:06:03,991 WARN L546 AbstractCegarLoop]: Verification canceled [2021-01-20 18:06:03,996 WARN L250 ceAbstractionStarter]: Timeout [2021-01-20 18:06:03,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 06:06:03 BasicIcfg [2021-01-20 18:06:03,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 18:06:03,998 INFO L168 Benchmark]: Toolchain (without parser) took 814983.76 ms. Allocated memory was 316.7 MB in the beginning and 3.9 GB in the end (delta: 3.6 GB). Free memory was 290.1 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,998 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 316.7 MB. Free memory was 287.7 MB in the beginning and 287.5 MB in the end (delta: 136.5 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 18:06:03,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.26 ms. Allocated memory is still 316.7 MB. Free memory was 289.9 MB in the beginning and 262.6 MB in the end (delta: 27.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.08 ms. Allocated memory is still 316.7 MB. Free memory was 262.6 MB in the beginning and 259.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,998 INFO L168 Benchmark]: Boogie Preprocessor took 48.20 ms. Allocated memory is still 316.7 MB. Free memory was 259.4 MB in the beginning and 257.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,999 INFO L168 Benchmark]: RCFGBuilder took 963.55 ms. Allocated memory is still 316.7 MB. Free memory was 257.3 MB in the beginning and 210.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,999 INFO L168 Benchmark]: TraceAbstraction took 812852.33 ms. Allocated memory was 316.7 MB in the beginning and 3.9 GB in the end (delta: 3.6 GB). Free memory was 209.1 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. [2021-01-20 18:06:04,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 316.7 MB. Free memory was 287.7 MB in the beginning and 287.5 MB in the end (delta: 136.5 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 966.26 ms. Allocated memory is still 316.7 MB. Free memory was 289.9 MB in the beginning and 262.6 MB in the end (delta: 27.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 142.08 ms. Allocated memory is still 316.7 MB. Free memory was 262.6 MB in the beginning and 259.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 48.20 ms. Allocated memory is still 316.7 MB. Free memory was 259.4 MB in the beginning and 257.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 963.55 ms. Allocated memory is still 316.7 MB. Free memory was 257.3 MB in the beginning and 210.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 812852.33 ms. Allocated memory was 316.7 MB in the beginning and 3.9 GB in the end (delta: 3.6 GB). Free memory was 209.1 MB in the beginning and 3.2 GB in the end (delta: -3.0 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was analyzing trace of length 182 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 54 for 216ms.. - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was analyzing trace of length 182 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 54 for 216ms.. - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was analyzing trace of length 182 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 54 for 216ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 812.4s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 590.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, HoareTripleCheckerStatistics: 10026 SDtfs, 48297 SDslu, 167920 SDs, 0 SdLazy, 81605 SolverSat, 2671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 146.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2069 GetRequests, 118 SyntacticMatches, 151 SemanticMatches, 1800 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56171 ImplicationChecksByTransitivity, 529.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50057occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 198.5s InterpolantComputationTime, 3566 NumberOfCodeBlocks, 3566 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3540 ConstructedInterpolants, 0 QuantifiedInterpolants, 28781833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 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