/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_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-aa1e80b [2020-12-17 20:27:14,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-17 20:27:14,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-17 20:27:14,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-17 20:27:14,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-17 20:27:14,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-17 20:27:14,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-17 20:27:14,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-17 20:27:14,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-17 20:27:14,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-17 20:27:14,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-17 20:27:14,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-17 20:27:14,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-17 20:27:14,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-17 20:27:14,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-17 20:27:14,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-17 20:27:14,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-17 20:27:14,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-17 20:27:14,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-17 20:27:14,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-17 20:27:14,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-17 20:27:14,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-17 20:27:14,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-17 20:27:14,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-17 20:27:14,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-17 20:27:14,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-17 20:27:14,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-17 20:27:14,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-17 20:27:14,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-17 20:27:14,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-17 20:27:14,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-17 20:27:14,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-17 20:27:14,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-17 20:27:14,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-17 20:27:14,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-17 20:27:14,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-17 20:27:14,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-17 20:27:14,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-17 20:27:14,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-17 20:27:14,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-17 20:27:14,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-17 20:27:14,700 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 [2020-12-17 20:27:14,760 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-17 20:27:14,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-17 20:27:14,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-17 20:27:14,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-17 20:27:14,764 INFO L138 SettingsManager]: * Use SBE=true [2020-12-17 20:27:14,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-17 20:27:14,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-17 20:27:14,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-17 20:27:14,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-17 20:27:14,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-17 20:27:14,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-17 20:27:14,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-17 20:27:14,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-17 20:27:14,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-17 20:27:14,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-17 20:27:14,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-17 20:27:14,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-17 20:27:14,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-17 20:27:14,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-17 20:27:14,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-17 20:27:14,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-17 20:27:14,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-17 20:27:14,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-17 20:27:14,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-17 20:27:14,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-17 20:27:14,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-17 20:27:14,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-17 20:27:14,773 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-12-17 20:27:14,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-17 20:27:14,773 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2020-12-17 20:27:14,774 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2020-12-17 20:27:14,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-17 20:27:15,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-17 20:27:15,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-17 20:27:15,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-17 20:27:15,246 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-17 20:27:15,246 INFO L275 PluginConnector]: CDTParser initialized [2020-12-17 20:27:15,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2020-12-17 20:27:15,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7b78e91/b36224e76e8f4a39801cd99ed76366c5/FLAG345776075 [2020-12-17 20:27:16,160 INFO L306 CDTParser]: Found 1 translation units. [2020-12-17 20:27:16,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2020-12-17 20:27:16,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7b78e91/b36224e76e8f4a39801cd99ed76366c5/FLAG345776075 [2020-12-17 20:27:16,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7b78e91/b36224e76e8f4a39801cd99ed76366c5 [2020-12-17 20:27:16,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-17 20:27:16,368 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-12-17 20:27:16,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-17 20:27:16,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-17 20:27:16,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-17 20:27:16,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:27:16" (1/1) ... [2020-12-17 20:27:16,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f5be0e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:16, skipping insertion in model container [2020-12-17 20:27:16,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 08:27:16" (1/1) ... [2020-12-17 20:27:16,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-17 20:27:16,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-17 20:27:17,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:27:17,039 INFO L203 MainTranslator]: Completed pre-run [2020-12-17 20:27:17,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-17 20:27:17,369 INFO L208 MainTranslator]: Completed translation [2020-12-17 20:27:17,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17 WrapperNode [2020-12-17 20:27:17,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-17 20:27:17,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-17 20:27:17,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-17 20:27:17,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-17 20:27:17,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-17 20:27:17,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-17 20:27:17,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-17 20:27:17,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-17 20:27:17,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (1/1) ... [2020-12-17 20:27:17,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-17 20:27:17,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-17 20:27:17,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-17 20:27:17,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-17 20:27:17,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (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 [2020-12-17 20:27:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-12-17 20:27:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-12-17 20:27:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-12-17 20:27:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-12-17 20:27:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-17 20:27:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-17 20:27:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-17 20:27:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-17 20:27:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-17 20:27:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-17 20:27:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-17 20:27:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-17 20:27:17,603 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-17 20:27:18,555 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-17 20:27:18,555 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-17 20:27:18,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:27:18 BoogieIcfgContainer [2020-12-17 20:27:18,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-17 20:27:18,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-17 20:27:18,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-17 20:27:18,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-17 20:27:18,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 08:27:16" (1/3) ... [2020-12-17 20:27:18,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2f1dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:27:18, skipping insertion in model container [2020-12-17 20:27:18,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 08:27:17" (2/3) ... [2020-12-17 20:27:18,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2f1dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 08:27:18, skipping insertion in model container [2020-12-17 20:27:18,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 08:27:18" (3/3) ... [2020-12-17 20:27:18,568 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2020-12-17 20:27:18,585 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-17 20:27:18,586 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-17 20:27:18,590 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-17 20:27:18,592 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-17 20:27:18,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,646 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,646 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,647 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,647 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,648 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,649 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,649 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,650 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,651 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,651 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,652 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,652 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,653 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,653 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,654 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,654 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,655 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,655 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,656 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,656 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,657 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,657 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,657 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,658 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,658 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,659 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,659 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,660 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,660 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,661 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,661 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,662 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,662 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,663 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,663 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,663 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,664 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,664 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,664 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,665 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,665 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,667 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,668 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,668 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,669 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,674 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,674 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,674 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,675 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,677 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,678 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,678 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,678 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,678 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,679 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,679 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,679 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,679 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,681 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,686 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,687 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,692 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,693 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,693 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,693 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,693 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,693 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,694 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,695 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,695 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,695 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,696 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,697 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,697 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,699 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,700 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,701 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,701 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,703 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,704 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,704 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,704 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,704 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,705 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,705 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,705 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,705 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,706 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,709 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,709 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,710 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,710 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,710 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,710 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,710 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,711 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,711 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,711 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,711 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,711 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,712 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,712 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,713 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,714 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,718 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,718 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,719 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,719 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,720 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,721 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,721 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,722 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,722 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,722 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,725 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,740 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,741 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,741 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,741 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,741 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,741 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,749 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,749 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,749 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,753 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,756 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,756 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,757 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,757 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,758 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,758 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,759 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,759 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,759 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,760 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,761 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,761 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,761 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,761 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,762 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,762 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,762 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,762 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,763 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,763 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,763 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,766 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,766 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,766 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,767 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,767 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,767 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,767 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,767 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,768 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,768 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,768 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,768 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,768 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,769 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,769 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,769 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,769 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,769 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,769 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,770 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,770 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,770 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,770 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,771 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,771 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,771 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,771 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,771 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,771 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,772 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,772 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,772 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,772 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,772 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,773 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,773 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,773 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,773 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,773 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,774 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,774 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,774 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,774 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,776 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,776 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,776 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,780 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,781 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,781 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,782 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,784 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,785 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,785 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,785 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,785 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,785 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,785 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,786 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,786 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,786 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,789 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,789 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,789 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,790 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,790 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,792 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,792 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,793 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,794 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,794 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,794 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,794 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,800 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,800 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,800 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,801 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,801 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,801 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,801 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,801 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,802 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,802 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,802 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,802 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,802 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,803 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,803 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,803 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,803 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,803 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,803 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,804 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,804 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,804 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,805 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,805 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,811 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,812 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,812 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,812 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,812 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,813 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,813 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,813 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,813 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,813 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,813 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,813 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,814 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,814 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,814 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,814 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,817 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,817 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,818 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,818 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,818 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,818 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,818 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,818 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,820 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,820 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,820 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,820 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,821 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,821 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,821 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,821 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,822 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,822 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,822 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,822 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,822 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,823 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,823 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,823 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,823 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,823 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,824 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,824 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,824 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,824 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,825 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,828 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,829 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,829 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,829 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,831 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,831 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,835 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,835 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,837 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,837 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,837 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,838 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,838 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,839 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,839 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,839 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,840 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,841 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,842 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,843 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,844 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,846 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,847 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,848 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,848 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,848 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,848 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,848 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,849 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,850 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,850 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,850 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,850 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,850 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,850 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,851 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,851 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,851 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,857 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,857 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,857 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,857 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,858 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,858 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,858 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,858 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,858 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,859 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,859 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,859 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,859 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,859 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,860 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,860 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,861 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,861 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,862 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,862 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,863 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,864 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,864 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-17 20:27:18,871 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-17 20:27:18,886 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-17 20:27:18,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-17 20:27:18,913 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-17 20:27:18,913 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-17 20:27:18,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-17 20:27:18,913 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-17 20:27:18,913 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-17 20:27:18,913 INFO L383 AbstractCegarLoop]: Minimize is NONE [2020-12-17 20:27:18,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-17 20:27:18,935 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 250 places, 263 transitions, 548 flow [2020-12-17 20:27:20,128 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) [2020-12-17 20:27:20,181 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) [2020-12-17 20:27:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-17 20:27:20,191 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:20,192 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] [2020-12-17 20:27:20,192 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]=== [2020-12-17 20:27:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:20,199 INFO L82 PathProgramCache]: Analyzing trace with hash -709121994, now seen corresponding path program 1 times [2020-12-17 20:27:20,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:20,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936824129] [2020-12-17 20:27:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:20,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936824129] [2020-12-17 20:27:20,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:20,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-17 20:27:20,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463785582] [2020-12-17 20:27:20,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-17 20:27:20,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:20,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-17 20:27:20,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-17 20:27:20,563 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) [2020-12-17 20:27:20,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:20,830 INFO L93 Difference]: Finished difference Result 18201 states and 49385 transitions. [2020-12-17 20:27:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-17 20:27:20,831 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 [2020-12-17 20:27:20,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:20,834 INFO L763 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 [2020-12-17 20:27:20,834 INFO L78 Accepts]: Start accepts. Automaton has 18201 states and 49385 transitions. Word has length 50 [2020-12-17 20:27:20,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:20,835 INFO L481 AbstractCegarLoop]: Abstraction has 18201 states and 49385 transitions. [2020-12-17 20:27:20,836 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) [2020-12-17 20:27:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 18201 states and 49385 transitions. [2020-12-17 20:27:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-17 20:27:20,961 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:20,961 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] [2020-12-17 20:27:20,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-17 20:27:20,976 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]=== [2020-12-17 20:27:20,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:20,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1894571692, now seen corresponding path program 1 times [2020-12-17 20:27:20,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:20,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25744484] [2020-12-17 20:27:20,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:21,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25744484] [2020-12-17 20:27:21,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:21,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-17 20:27:21,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963639679] [2020-12-17 20:27:21,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-17 20:27:21,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:21,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-17 20:27:21,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-12-17 20:27:21,548 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) [2020-12-17 20:27:22,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:22,438 INFO L93 Difference]: Finished difference Result 18198 states and 49381 transitions. [2020-12-17 20:27:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-17 20:27:22,438 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 [2020-12-17 20:27:22,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:22,441 INFO L763 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 [2020-12-17 20:27:22,441 INFO L78 Accepts]: Start accepts. Automaton has 18198 states and 49381 transitions. Word has length 83 [2020-12-17 20:27:22,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:22,443 INFO L481 AbstractCegarLoop]: Abstraction has 18198 states and 49381 transitions. [2020-12-17 20:27:22,443 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) [2020-12-17 20:27:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 18198 states and 49381 transitions. [2020-12-17 20:27:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-17 20:27:22,455 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:22,455 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] [2020-12-17 20:27:22,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-17 20:27:22,456 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]=== [2020-12-17 20:27:22,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:22,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1459317664, now seen corresponding path program 1 times [2020-12-17 20:27:22,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:22,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436171647] [2020-12-17 20:27:22,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:22,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:22,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436171647] [2020-12-17 20:27:22,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:22,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:27:22,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190975555] [2020-12-17 20:27:22,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:27:22,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:22,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:27:22,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:27:22,612 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) [2020-12-17 20:27:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:22,829 INFO L93 Difference]: Finished difference Result 18030 states and 48763 transitions. [2020-12-17 20:27:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-17 20:27:22,830 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 [2020-12-17 20:27:22,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:22,833 INFO L763 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 [2020-12-17 20:27:22,833 INFO L78 Accepts]: Start accepts. Automaton has 18030 states and 48763 transitions. Word has length 84 [2020-12-17 20:27:22,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:22,835 INFO L481 AbstractCegarLoop]: Abstraction has 18030 states and 48763 transitions. [2020-12-17 20:27:22,835 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) [2020-12-17 20:27:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 18030 states and 48763 transitions. [2020-12-17 20:27:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-17 20:27:22,848 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:22,848 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] [2020-12-17 20:27:22,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-17 20:27:22,849 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]=== [2020-12-17 20:27:22,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:22,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1721777664, now seen corresponding path program 1 times [2020-12-17 20:27:22,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:22,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84345633] [2020-12-17 20:27:22,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:23,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84345633] [2020-12-17 20:27:23,034 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:23,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-17 20:27:23,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601468697] [2020-12-17 20:27:23,035 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-17 20:27:23,035 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:23,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-17 20:27:23,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-17 20:27:23,036 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) [2020-12-17 20:27:23,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:23,117 INFO L93 Difference]: Finished difference Result 12888 states and 34321 transitions. [2020-12-17 20:27:23,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-17 20:27:23,118 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 [2020-12-17 20:27:23,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:23,119 INFO L763 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 [2020-12-17 20:27:23,119 INFO L78 Accepts]: Start accepts. Automaton has 12888 states and 34321 transitions. Word has length 90 [2020-12-17 20:27:23,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:23,120 INFO L481 AbstractCegarLoop]: Abstraction has 12888 states and 34321 transitions. [2020-12-17 20:27:23,121 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) [2020-12-17 20:27:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 12888 states and 34321 transitions. [2020-12-17 20:27:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-17 20:27:23,128 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:23,128 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] [2020-12-17 20:27:23,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-17 20:27:23,128 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]=== [2020-12-17 20:27:23,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:23,129 INFO L82 PathProgramCache]: Analyzing trace with hash 296778869, now seen corresponding path program 1 times [2020-12-17 20:27:23,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:23,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294044604] [2020-12-17 20:27:23,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:23,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294044604] [2020-12-17 20:27:23,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:23,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-17 20:27:23,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965291595] [2020-12-17 20:27:23,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-17 20:27:23,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:23,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-17 20:27:23,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-17 20:27:23,215 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) [2020-12-17 20:27:23,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:23,452 INFO L93 Difference]: Finished difference Result 23037 states and 61551 transitions. [2020-12-17 20:27:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-17 20:27:23,453 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 [2020-12-17 20:27:23,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:23,454 INFO L763 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 [2020-12-17 20:27:23,454 INFO L78 Accepts]: Start accepts. Automaton has 23037 states and 61551 transitions. Word has length 99 [2020-12-17 20:27:23,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:23,455 INFO L481 AbstractCegarLoop]: Abstraction has 23037 states and 61551 transitions. [2020-12-17 20:27:23,455 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) [2020-12-17 20:27:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23037 states and 61551 transitions. [2020-12-17 20:27:23,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-17 20:27:23,463 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:23,463 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] [2020-12-17 20:27:23,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-17 20:27:23,464 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]=== [2020-12-17 20:27:23,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:23,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1622088561, now seen corresponding path program 1 times [2020-12-17 20:27:23,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:23,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997968463] [2020-12-17 20:27:23,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:23,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997968463] [2020-12-17 20:27:23,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:23,923 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-17 20:27:23,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595925635] [2020-12-17 20:27:23,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-17 20:27:23,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:23,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-17 20:27:23,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-12-17 20:27:23,925 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) [2020-12-17 20:27:25,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:25,258 INFO L93 Difference]: Finished difference Result 23125 states and 61781 transitions. [2020-12-17 20:27:25,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-17 20:27:25,258 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 [2020-12-17 20:27:25,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:25,260 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2020-12-17 20:27:25,260 INFO L78 Accepts]: Start accepts. Automaton has 23125 states and 61781 transitions. Word has length 100 [2020-12-17 20:27:25,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:25,261 INFO L481 AbstractCegarLoop]: Abstraction has 23125 states and 61781 transitions. [2020-12-17 20:27:25,261 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) [2020-12-17 20:27:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 23125 states and 61781 transitions. [2020-12-17 20:27:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-17 20:27:25,270 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:25,270 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] [2020-12-17 20:27:25,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-17 20:27:25,271 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]=== [2020-12-17 20:27:25,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:25,272 INFO L82 PathProgramCache]: Analyzing trace with hash 1635000021, now seen corresponding path program 1 times [2020-12-17 20:27:25,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:25,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633221710] [2020-12-17 20:27:25,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:26,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633221710] [2020-12-17 20:27:26,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:26,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-12-17 20:27:26,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885511944] [2020-12-17 20:27:26,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-17 20:27:26,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:26,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-17 20:27:26,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-12-17 20:27:26,076 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) [2020-12-17 20:27:27,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:27,964 INFO L93 Difference]: Finished difference Result 27109 states and 72281 transitions. [2020-12-17 20:27:27,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-17 20:27:27,966 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 [2020-12-17 20:27:27,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:27,967 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=288, Invalid=834, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 20:27:27,967 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 72281 transitions. Word has length 102 [2020-12-17 20:27:27,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:27,967 INFO L481 AbstractCegarLoop]: Abstraction has 27109 states and 72281 transitions. [2020-12-17 20:27:27,967 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) [2020-12-17 20:27:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 72281 transitions. [2020-12-17 20:27:27,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-17 20:27:27,976 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:27,977 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] [2020-12-17 20:27:27,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-17 20:27:27,977 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]=== [2020-12-17 20:27:27,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:27,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1044468409, now seen corresponding path program 2 times [2020-12-17 20:27:27,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:27,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668510615] [2020-12-17 20:27:27,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:28,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668510615] [2020-12-17 20:27:28,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:28,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-12-17 20:27:28,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866500506] [2020-12-17 20:27:28,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-17 20:27:28,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:28,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-17 20:27:28,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-12-17 20:27:28,533 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) [2020-12-17 20:27:30,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:30,638 INFO L93 Difference]: Finished difference Result 27661 states and 73721 transitions. [2020-12-17 20:27:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-17 20:27:30,639 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 [2020-12-17 20:27:30,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:30,640 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=285, Invalid=771, Unknown=0, NotChecked=0, Total=1056 [2020-12-17 20:27:30,640 INFO L78 Accepts]: Start accepts. Automaton has 27661 states and 73721 transitions. Word has length 102 [2020-12-17 20:27:30,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:30,640 INFO L481 AbstractCegarLoop]: Abstraction has 27661 states and 73721 transitions. [2020-12-17 20:27:30,640 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) [2020-12-17 20:27:30,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27661 states and 73721 transitions. [2020-12-17 20:27:30,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-17 20:27:30,650 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:30,650 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] [2020-12-17 20:27:30,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-17 20:27:30,651 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]=== [2020-12-17 20:27:30,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:30,651 INFO L82 PathProgramCache]: Analyzing trace with hash 198319295, now seen corresponding path program 3 times [2020-12-17 20:27:30,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:30,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003748484] [2020-12-17 20:27:30,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:31,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:31,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003748484] [2020-12-17 20:27:31,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:31,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-12-17 20:27:31,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357044718] [2020-12-17 20:27:31,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-17 20:27:31,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:31,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-17 20:27:31,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-12-17 20:27:31,289 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) [2020-12-17 20:27:31,723 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-12-17 20:27:32,028 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-12-17 20:27:32,173 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2020-12-17 20:27:32,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:32,836 INFO L93 Difference]: Finished difference Result 27293 states and 72715 transitions. [2020-12-17 20:27:32,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-17 20:27:32,837 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 [2020-12-17 20:27:32,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:32,838 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2020-12-17 20:27:32,838 INFO L78 Accepts]: Start accepts. Automaton has 27293 states and 72715 transitions. Word has length 102 [2020-12-17 20:27:32,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:32,838 INFO L481 AbstractCegarLoop]: Abstraction has 27293 states and 72715 transitions. [2020-12-17 20:27:32,838 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) [2020-12-17 20:27:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 27293 states and 72715 transitions. [2020-12-17 20:27:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-17 20:27:32,847 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:32,848 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] [2020-12-17 20:27:32,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-17 20:27:32,848 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]=== [2020-12-17 20:27:32,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:32,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1440435735, now seen corresponding path program 1 times [2020-12-17 20:27:32,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:32,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987750688] [2020-12-17 20:27:32,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:33,623 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2020-12-17 20:27:34,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:34,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987750688] [2020-12-17 20:27:34,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:34,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 20:27:34,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528766453] [2020-12-17 20:27:34,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 20:27:34,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:34,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 20:27:34,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2020-12-17 20:27:34,278 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) [2020-12-17 20:27:35,197 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-12-17 20:27:35,359 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2020-12-17 20:27:35,649 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2020-12-17 20:27:35,868 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-12-17 20:27:36,090 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-12-17 20:27:36,421 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2020-12-17 20:27:36,643 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2020-12-17 20:27:36,880 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-17 20:27:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:38,041 INFO L93 Difference]: Finished difference Result 27113 states and 72373 transitions. [2020-12-17 20:27:38,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-17 20:27:38,041 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 [2020-12-17 20:27:38,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:38,042 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=477, Invalid=1973, Unknown=0, NotChecked=0, Total=2450 [2020-12-17 20:27:38,043 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 72373 transitions. Word has length 104 [2020-12-17 20:27:38,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:38,043 INFO L481 AbstractCegarLoop]: Abstraction has 27113 states and 72373 transitions. [2020-12-17 20:27:38,043 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) [2020-12-17 20:27:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 72373 transitions. [2020-12-17 20:27:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-17 20:27:38,050 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:38,050 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] [2020-12-17 20:27:38,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-17 20:27:38,051 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]=== [2020-12-17 20:27:38,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:38,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1679294597, now seen corresponding path program 1 times [2020-12-17 20:27:38,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:38,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555745368] [2020-12-17 20:27:38,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:39,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555745368] [2020-12-17 20:27:39,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:39,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-12-17 20:27:39,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119282605] [2020-12-17 20:27:39,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-12-17 20:27:39,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:39,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-12-17 20:27:39,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2020-12-17 20:27:39,638 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) [2020-12-17 20:27:40,479 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-17 20:27:40,643 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-12-17 20:27:40,822 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2020-12-17 20:27:41,073 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2020-12-17 20:27:41,311 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 52 [2020-12-17 20:27:41,543 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2020-12-17 20:27:41,910 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2020-12-17 20:27:42,152 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 58 [2020-12-17 20:27:44,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:44,277 INFO L93 Difference]: Finished difference Result 30416 states and 81005 transitions. [2020-12-17 20:27:44,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-17 20:27:44,278 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 [2020-12-17 20:27:44,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:44,280 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=613, Invalid=2693, Unknown=0, NotChecked=0, Total=3306 [2020-12-17 20:27:44,280 INFO L78 Accepts]: Start accepts. Automaton has 30416 states and 81005 transitions. Word has length 106 [2020-12-17 20:27:44,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:44,280 INFO L481 AbstractCegarLoop]: Abstraction has 30416 states and 81005 transitions. [2020-12-17 20:27:44,280 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) [2020-12-17 20:27:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 30416 states and 81005 transitions. [2020-12-17 20:27:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-17 20:27:44,290 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:44,291 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] [2020-12-17 20:27:44,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-17 20:27:44,291 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]=== [2020-12-17 20:27:44,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:44,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1369767815, now seen corresponding path program 2 times [2020-12-17 20:27:44,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:44,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274205776] [2020-12-17 20:27:44,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:45,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274205776] [2020-12-17 20:27:45,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:45,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-12-17 20:27:45,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128239361] [2020-12-17 20:27:45,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-12-17 20:27:45,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:45,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-12-17 20:27:45,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2020-12-17 20:27:45,973 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) [2020-12-17 20:27:46,883 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-12-17 20:27:47,051 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-12-17 20:27:47,220 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2020-12-17 20:27:47,410 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2020-12-17 20:27:47,583 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-12-17 20:27:47,744 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-17 20:27:48,038 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-12-17 20:27:48,318 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2020-12-17 20:27:48,601 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-12-17 20:27:49,127 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-12-17 20:27:49,386 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-12-17 20:27:49,545 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-12-17 20:27:50,209 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-12-17 20:27:50,367 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-12-17 20:27:50,559 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-12-17 20:27:51,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:51,747 INFO L93 Difference]: Finished difference Result 31985 states and 85105 transitions. [2020-12-17 20:27:51,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-12-17 20:27:51,748 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 [2020-12-17 20:27:51,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:51,750 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=693, Invalid=2967, Unknown=0, NotChecked=0, Total=3660 [2020-12-17 20:27:51,750 INFO L78 Accepts]: Start accepts. Automaton has 31985 states and 85105 transitions. Word has length 106 [2020-12-17 20:27:51,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:51,750 INFO L481 AbstractCegarLoop]: Abstraction has 31985 states and 85105 transitions. [2020-12-17 20:27:51,751 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) [2020-12-17 20:27:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 31985 states and 85105 transitions. [2020-12-17 20:27:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-17 20:27:51,761 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:51,761 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] [2020-12-17 20:27:51,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-17 20:27:51,762 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]=== [2020-12-17 20:27:51,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:51,763 INFO L82 PathProgramCache]: Analyzing trace with hash 518636183, now seen corresponding path program 3 times [2020-12-17 20:27:51,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:51,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105988422] [2020-12-17 20:27:51,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:53,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105988422] [2020-12-17 20:27:53,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:53,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-12-17 20:27:53,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754035079] [2020-12-17 20:27:53,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-12-17 20:27:53,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:53,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-12-17 20:27:53,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2020-12-17 20:27:53,507 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) [2020-12-17 20:27:54,494 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 47 [2020-12-17 20:27:54,655 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2020-12-17 20:27:54,829 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2020-12-17 20:27:54,984 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2020-12-17 20:27:55,130 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-12-17 20:27:55,393 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-12-17 20:27:55,647 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2020-12-17 20:27:55,906 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-12-17 20:27:56,297 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-12-17 20:27:56,563 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-12-17 20:27:56,720 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-12-17 20:27:57,370 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2020-12-17 20:27:57,537 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:27:57,740 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:27:58,079 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-12-17 20:27:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:58,598 INFO L93 Difference]: Finished difference Result 19737 states and 52177 transitions. [2020-12-17 20:27:58,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-17 20:27:58,598 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 [2020-12-17 20:27:58,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:58,600 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=622, Invalid=2570, Unknown=0, NotChecked=0, Total=3192 [2020-12-17 20:27:58,600 INFO L78 Accepts]: Start accepts. Automaton has 19737 states and 52177 transitions. Word has length 106 [2020-12-17 20:27:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:58,600 INFO L481 AbstractCegarLoop]: Abstraction has 19737 states and 52177 transitions. [2020-12-17 20:27:58,600 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) [2020-12-17 20:27:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 19737 states and 52177 transitions. [2020-12-17 20:27:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-17 20:27:58,620 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:58,620 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] [2020-12-17 20:27:58,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-17 20:27:58,621 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]=== [2020-12-17 20:27:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:58,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1493529709, now seen corresponding path program 1 times [2020-12-17 20:27:58,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:58,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857940174] [2020-12-17 20:27:58,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:27:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:27:58,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857940174] [2020-12-17 20:27:58,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:27:58,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-17 20:27:58,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454134689] [2020-12-17 20:27:58,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-17 20:27:58,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:27:58,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-17 20:27:58,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-17 20:27:58,692 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) [2020-12-17 20:27:58,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:27:58,757 INFO L93 Difference]: Finished difference Result 11850 states and 29698 transitions. [2020-12-17 20:27:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-17 20:27:58,757 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 [2020-12-17 20:27:58,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:27:58,758 INFO L763 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 [2020-12-17 20:27:58,758 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 29698 transitions. Word has length 172 [2020-12-17 20:27:58,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:27:58,759 INFO L481 AbstractCegarLoop]: Abstraction has 11850 states and 29698 transitions. [2020-12-17 20:27:58,759 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) [2020-12-17 20:27:58,759 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 29698 transitions. [2020-12-17 20:27:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-17 20:27:58,775 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:27:58,775 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] [2020-12-17 20:27:58,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-17 20:27:58,776 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]=== [2020-12-17 20:27:58,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:27:58,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2003117961, now seen corresponding path program 1 times [2020-12-17 20:27:58,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:27:58,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313817633] [2020-12-17 20:27:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:27:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:28:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:28:00,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313817633] [2020-12-17 20:28:00,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:28:00,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-12-17 20:28:00,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032901435] [2020-12-17 20:28:00,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-17 20:28:00,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:28:00,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-17 20:28:00,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2020-12-17 20:28:00,138 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) [2020-12-17 20:28:01,227 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-12-17 20:28:01,396 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2020-12-17 20:28:01,637 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-12-17 20:28:01,822 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2020-12-17 20:28:01,987 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2020-12-17 20:28:02,142 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2020-12-17 20:28:02,287 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-17 20:28:03,220 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-12-17 20:28:03,402 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2020-12-17 20:28:03,759 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-17 20:28:04,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:28:04,414 INFO L93 Difference]: Finished difference Result 12090 states and 30280 transitions. [2020-12-17 20:28:04,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-17 20:28:04,415 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 [2020-12-17 20:28:04,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:28:04,417 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=633, Invalid=2229, Unknown=0, NotChecked=0, Total=2862 [2020-12-17 20:28:04,417 INFO L78 Accepts]: Start accepts. Automaton has 12090 states and 30280 transitions. Word has length 173 [2020-12-17 20:28:04,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:28:04,418 INFO L481 AbstractCegarLoop]: Abstraction has 12090 states and 30280 transitions. [2020-12-17 20:28:04,418 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) [2020-12-17 20:28:04,418 INFO L276 IsEmpty]: Start isEmpty. Operand 12090 states and 30280 transitions. [2020-12-17 20:28:04,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-17 20:28:04,433 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:28:04,434 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] [2020-12-17 20:28:04,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-17 20:28:04,434 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]=== [2020-12-17 20:28:04,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:28:04,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1137732526, now seen corresponding path program 1 times [2020-12-17 20:28:04,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:28:04,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732554850] [2020-12-17 20:28:04,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:28:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:28:05,716 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2020-12-17 20:28:05,947 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2020-12-17 20:28:06,717 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-12-17 20:28:06,925 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2020-12-17 20:28:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:28:07,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732554850] [2020-12-17 20:28:07,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:28:07,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2020-12-17 20:28:07,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561072244] [2020-12-17 20:28:07,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-17 20:28:07,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:28:07,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-17 20:28:07,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=978, Unknown=0, NotChecked=0, Total=1122 [2020-12-17 20:28:07,608 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) [2020-12-17 20:28:08,686 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2020-12-17 20:28:08,855 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2020-12-17 20:28:09,039 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2020-12-17 20:28:09,340 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2020-12-17 20:28:09,597 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2020-12-17 20:28:09,852 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-12-17 20:28:10,228 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2020-12-17 20:28:10,519 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 58 [2020-12-17 20:28:10,782 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2020-12-17 20:28:10,986 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2020-12-17 20:28:11,165 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2020-12-17 20:28:11,326 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-12-17 20:28:11,573 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2020-12-17 20:28:12,091 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:28:12,369 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2020-12-17 20:28:13,157 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-17 20:28:13,653 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-17 20:28:13,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:28:13,964 INFO L93 Difference]: Finished difference Result 13842 states and 34694 transitions. [2020-12-17 20:28:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-17 20:28:13,965 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 [2020-12-17 20:28:13,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:28:13,967 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1316 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=905, Invalid=3787, Unknown=0, NotChecked=0, Total=4692 [2020-12-17 20:28:13,968 INFO L78 Accepts]: Start accepts. Automaton has 13842 states and 34694 transitions. Word has length 177 [2020-12-17 20:28:13,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:28:13,968 INFO L481 AbstractCegarLoop]: Abstraction has 13842 states and 34694 transitions. [2020-12-17 20:28:13,968 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) [2020-12-17 20:28:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 13842 states and 34694 transitions. [2020-12-17 20:28:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:28:13,979 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:28:13,979 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] [2020-12-17 20:28:13,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-17 20:28:13,980 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]=== [2020-12-17 20:28:13,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:28:13,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1994799149, now seen corresponding path program 1 times [2020-12-17 20:28:13,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:28:13,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119182057] [2020-12-17 20:28:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:28:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:28:14,913 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:28:15,177 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:28:15,475 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:28:15,881 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:28:16,160 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:28:16,420 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:28:16,635 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:28:16,877 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:28:17,136 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2020-12-17 20:28:17,457 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-12-17 20:28:17,672 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2020-12-17 20:28:17,852 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2020-12-17 20:28:18,256 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2020-12-17 20:28:18,458 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-12-17 20:28:18,719 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:28:18,927 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2020-12-17 20:28:20,753 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:28:21,096 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:28:21,408 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:28:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:28:24,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119182057] [2020-12-17 20:28:24,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:28:24,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:28:24,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014309040] [2020-12-17 20:28:24,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:28:24,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:28:24,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:28:24,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:28:24,142 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) [2020-12-17 20:28:26,447 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:28:26,797 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:28:27,218 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:28:27,949 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2020-12-17 20:28:28,806 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2020-12-17 20:28:29,666 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-12-17 20:28:30,403 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2020-12-17 20:28:31,257 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2020-12-17 20:28:32,479 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 84 [2020-12-17 20:28:33,781 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 82 [2020-12-17 20:28:36,077 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2020-12-17 20:28:36,408 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-17 20:28:36,772 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-12-17 20:28:36,993 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-17 20:28:37,439 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-12-17 20:28:37,701 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:28:38,978 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 20:28:39,518 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-12-17 20:28:39,942 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-12-17 20:28:40,523 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-12-17 20:28:41,073 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-12-17 20:28:41,727 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:28:42,622 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-12-17 20:28:43,245 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:28:43,766 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:28:44,381 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:28:44,980 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:28:45,565 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:28:45,899 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:28:47,846 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:28:48,450 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:28:49,248 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:28:49,625 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:28:50,642 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:28:51,208 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:28:51,958 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:28:52,654 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:28:54,083 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:28:54,495 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:28:55,451 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:28:56,183 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:28:57,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:28:57,927 INFO L93 Difference]: Finished difference Result 18360 states and 45740 transitions. [2020-12-17 20:28:57,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-12-17 20:28:57,928 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 [2020-12-17 20:28:57,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:28:57,934 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4333 ImplicationChecksByTransitivity, 29.3s TimeCoverageRelationStatistics Valid=1571, Invalid=14431, Unknown=0, NotChecked=0, Total=16002 [2020-12-17 20:28:57,934 INFO L78 Accepts]: Start accepts. Automaton has 18360 states and 45740 transitions. Word has length 181 [2020-12-17 20:28:57,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:28:57,935 INFO L481 AbstractCegarLoop]: Abstraction has 18360 states and 45740 transitions. [2020-12-17 20:28:57,935 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) [2020-12-17 20:28:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 18360 states and 45740 transitions. [2020-12-17 20:28:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:28:57,953 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:28:57,954 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] [2020-12-17 20:28:57,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-17 20:28:57,954 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]=== [2020-12-17 20:28:57,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:28:57,955 INFO L82 PathProgramCache]: Analyzing trace with hash -2133978695, now seen corresponding path program 2 times [2020-12-17 20:28:57,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:28:57,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214921617] [2020-12-17 20:28:57,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:28:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:28:59,016 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:28:59,285 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:28:59,618 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:29:00,089 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:29:00,423 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:29:00,766 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:29:01,170 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:29:01,395 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:29:01,720 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:29:02,037 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2020-12-17 20:29:02,240 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2020-12-17 20:29:02,439 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2020-12-17 20:29:02,713 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2020-12-17 20:29:02,939 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-12-17 20:29:03,240 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:29:03,487 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2020-12-17 20:29:04,212 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-17 20:29:04,416 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:29:05,203 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:29:05,559 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:29:05,906 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:29:06,239 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:29:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:29:09,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214921617] [2020-12-17 20:29:09,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:29:09,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:29:09,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26260663] [2020-12-17 20:29:09,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:29:09,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:29:09,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:29:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:29:09,173 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) [2020-12-17 20:29:11,015 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:29:11,575 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:29:11,923 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:29:12,368 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:29:13,289 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:29:14,209 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2020-12-17 20:29:15,128 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2020-12-17 20:29:15,896 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2020-12-17 20:29:16,804 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2020-12-17 20:29:18,118 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 84 [2020-12-17 20:29:19,498 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 82 [2020-12-17 20:29:20,407 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:29:20,895 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-17 20:29:21,264 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-12-17 20:29:21,650 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-12-17 20:29:21,907 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:29:22,335 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-17 20:29:22,860 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 20:29:23,547 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-12-17 20:29:24,040 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-12-17 20:29:24,695 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-12-17 20:29:25,454 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-12-17 20:29:26,009 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:29:26,546 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-12-17 20:29:27,228 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:29:27,744 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:29:28,290 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:29:28,831 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:29:29,163 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:29:29,421 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:29:29,806 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:29:31,592 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:29:32,159 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:29:32,954 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:29:33,360 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:29:34,216 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:29:34,834 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:29:35,369 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:29:35,688 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:29:36,519 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:29:38,253 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:29:38,653 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:29:39,570 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:29:40,353 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:29:41,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:29:41,881 INFO L93 Difference]: Finished difference Result 22380 states and 55506 transitions. [2020-12-17 20:29:41,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2020-12-17 20:29:41,884 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 [2020-12-17 20:29:41,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:29:41,890 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4235 ImplicationChecksByTransitivity, 31.0s TimeCoverageRelationStatistics Valid=1546, Invalid=14204, Unknown=0, NotChecked=0, Total=15750 [2020-12-17 20:29:41,890 INFO L78 Accepts]: Start accepts. Automaton has 22380 states and 55506 transitions. Word has length 181 [2020-12-17 20:29:41,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:29:41,891 INFO L481 AbstractCegarLoop]: Abstraction has 22380 states and 55506 transitions. [2020-12-17 20:29:41,891 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) [2020-12-17 20:29:41,891 INFO L276 IsEmpty]: Start isEmpty. Operand 22380 states and 55506 transitions. [2020-12-17 20:29:41,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:29:41,912 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:29:41,912 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] [2020-12-17 20:29:41,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-17 20:29:41,915 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]=== [2020-12-17 20:29:41,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:29:41,915 INFO L82 PathProgramCache]: Analyzing trace with hash -717794221, now seen corresponding path program 3 times [2020-12-17 20:29:41,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:29:41,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324125801] [2020-12-17 20:29:41,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:29:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:29:43,040 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:29:43,329 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:29:43,797 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:29:44,344 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:29:44,695 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:29:45,042 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:29:45,315 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:29:45,608 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:29:45,959 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:29:46,161 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:29:46,345 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:29:46,637 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-12-17 20:29:46,872 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-12-17 20:29:47,194 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2020-12-17 20:29:47,424 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:29:47,659 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2020-12-17 20:29:48,270 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-12-17 20:29:48,488 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-17 20:29:48,710 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:29:49,502 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:29:49,894 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:29:50,298 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:29:50,673 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:29:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:29:53,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324125801] [2020-12-17 20:29:53,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:29:53,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:29:53,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5156362] [2020-12-17 20:29:53,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:29:53,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:29:53,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:29:53,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=2361, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:29:53,649 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) [2020-12-17 20:29:55,423 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:29:55,851 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:29:56,298 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:29:56,825 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:29:57,755 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:29:58,515 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-12-17 20:29:59,217 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-17 20:30:00,093 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2020-12-17 20:30:01,547 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2020-12-17 20:30:02,931 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2020-12-17 20:30:05,796 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 84 [2020-12-17 20:30:07,082 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 82 [2020-12-17 20:30:07,900 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:30:09,284 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-17 20:30:09,637 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-12-17 20:30:10,090 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-12-17 20:30:10,383 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:30:10,862 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-17 20:30:11,492 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 20:30:12,142 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-12-17 20:30:12,691 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-12-17 20:30:13,392 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-12-17 20:30:14,033 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-12-17 20:30:14,707 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:30:15,341 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-12-17 20:30:16,226 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:30:16,891 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:30:17,599 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:30:18,296 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:30:18,748 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:30:19,021 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:30:19,493 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:30:22,120 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:30:22,741 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:30:23,631 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:30:24,068 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:30:25,027 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:30:25,692 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:30:26,253 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:30:26,575 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:30:27,061 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:30:27,473 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:30:27,981 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:30:29,318 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:30:29,752 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:30:30,981 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:30:31,337 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:30:31,851 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:30:34,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:30:34,029 INFO L93 Difference]: Finished difference Result 26564 states and 65646 transitions. [2020-12-17 20:30:34,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2020-12-17 20:30:34,031 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 [2020-12-17 20:30:34,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:30:34,034 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4413 ImplicationChecksByTransitivity, 34.2s TimeCoverageRelationStatistics Valid=1573, Invalid=14683, Unknown=0, NotChecked=0, Total=16256 [2020-12-17 20:30:34,034 INFO L78 Accepts]: Start accepts. Automaton has 26564 states and 65646 transitions. Word has length 181 [2020-12-17 20:30:34,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:30:34,035 INFO L481 AbstractCegarLoop]: Abstraction has 26564 states and 65646 transitions. [2020-12-17 20:30:34,035 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) [2020-12-17 20:30:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 26564 states and 65646 transitions. [2020-12-17 20:30:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:30:34,061 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:30:34,061 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] [2020-12-17 20:30:34,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-17 20:30:34,062 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]=== [2020-12-17 20:30:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:30:34,062 INFO L82 PathProgramCache]: Analyzing trace with hash 852186259, now seen corresponding path program 4 times [2020-12-17 20:30:34,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:30:34,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72722590] [2020-12-17 20:30:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:30:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:30:35,394 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:30:35,707 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:30:36,085 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:30:36,617 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:30:36,999 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:30:37,417 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:30:37,718 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:30:38,037 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:30:38,440 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:30:38,661 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:30:38,883 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:30:39,187 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-12-17 20:30:39,429 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-12-17 20:30:39,771 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-12-17 20:30:40,035 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-17 20:30:40,893 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-12-17 20:30:41,123 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-17 20:30:41,358 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:30:42,032 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-17 20:30:42,289 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:30:42,714 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:30:43,143 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:30:43,527 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:30:43,938 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-17 20:30:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:30:46,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72722590] [2020-12-17 20:30:46,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:30:46,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:30:46,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990320204] [2020-12-17 20:30:46,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:30:46,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:30:46,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:30:46,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2350, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:30:46,865 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) [2020-12-17 20:30:49,591 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:30:50,174 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:30:50,764 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:30:51,461 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:30:52,661 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:30:53,355 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-12-17 20:30:54,095 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-17 20:30:54,990 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2020-12-17 20:30:56,736 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2020-12-17 20:30:58,380 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2020-12-17 20:31:00,195 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 20:31:01,233 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:31:01,617 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-17 20:31:02,127 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-17 20:31:02,644 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-12-17 20:31:03,755 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-12-17 20:31:04,059 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:31:04,288 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-12-17 20:31:04,718 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-17 20:31:05,144 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-17 20:31:06,427 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 20:31:07,001 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-12-17 20:31:07,641 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-12-17 20:31:08,333 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-12-17 20:31:08,782 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-12-17 20:31:09,639 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-12-17 20:31:10,156 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-12-17 20:31:10,903 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-12-17 20:31:11,417 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-12-17 20:31:12,403 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:31:13,431 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-12-17 20:31:14,410 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:31:15,272 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:31:16,100 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:31:16,858 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:31:17,318 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:31:17,644 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:31:18,209 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:31:18,516 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-17 20:31:18,840 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-17 20:31:21,276 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:31:22,093 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:31:23,221 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:31:23,789 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:31:24,221 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:31:24,451 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-17 20:31:24,966 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:31:25,371 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:31:25,785 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:31:26,198 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:31:26,460 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:31:26,842 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:31:27,206 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:31:27,446 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:31:27,928 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:31:28,164 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-17 20:31:28,519 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:31:28,926 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-17 20:31:30,215 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:31:30,797 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:31:31,299 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:31:31,649 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:31:32,281 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:31:32,719 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:31:33,520 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:31:34,616 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-17 20:31:35,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:31:35,967 INFO L93 Difference]: Finished difference Result 32688 states and 80663 transitions. [2020-12-17 20:31:35,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-12-17 20:31:35,970 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 [2020-12-17 20:31:35,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:31:35,973 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5299 ImplicationChecksByTransitivity, 39.7s TimeCoverageRelationStatistics Valid=1836, Invalid=16796, Unknown=0, NotChecked=0, Total=18632 [2020-12-17 20:31:35,973 INFO L78 Accepts]: Start accepts. Automaton has 32688 states and 80663 transitions. Word has length 181 [2020-12-17 20:31:35,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:31:35,974 INFO L481 AbstractCegarLoop]: Abstraction has 32688 states and 80663 transitions. [2020-12-17 20:31:35,974 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) [2020-12-17 20:31:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32688 states and 80663 transitions. [2020-12-17 20:31:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:31:36,011 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:31:36,011 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] [2020-12-17 20:31:36,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-17 20:31:36,011 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]=== [2020-12-17 20:31:36,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:31:36,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1988456775, now seen corresponding path program 5 times [2020-12-17 20:31:36,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:31:36,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736838955] [2020-12-17 20:31:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:31:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:31:37,363 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:31:37,819 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:31:38,349 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:31:39,126 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:31:39,635 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:31:40,186 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:31:40,602 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:31:41,039 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:31:41,641 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:31:41,937 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:31:42,218 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:31:42,615 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-12-17 20:31:42,935 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-12-17 20:31:43,348 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-12-17 20:31:43,676 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-17 20:31:43,967 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-12-17 20:31:44,256 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-17 20:31:44,504 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-17 20:31:44,800 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-17 20:31:45,094 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-17 20:31:45,325 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-17 20:31:45,577 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-12-17 20:31:45,843 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-17 20:31:46,184 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-17 20:31:46,534 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:31:47,079 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:31:47,640 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:31:48,162 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:31:48,688 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-17 20:31:49,733 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-12-17 20:31:50,036 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:31:50,334 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:31:50,936 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-12-17 20:31:51,691 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2020-12-17 20:31:52,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:31:52,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736838955] [2020-12-17 20:31:52,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:31:52,428 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:31:52,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93348199] [2020-12-17 20:31:52,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:31:52,429 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:31:52,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:31:52,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:31:52,429 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) [2020-12-17 20:31:55,192 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:31:55,711 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:31:56,289 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:31:56,963 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:31:58,186 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:31:59,125 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-12-17 20:32:00,032 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-17 20:32:01,130 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2020-12-17 20:32:03,350 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2020-12-17 20:32:05,259 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2020-12-17 20:32:07,516 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 20:32:08,826 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:32:09,226 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-17 20:32:09,789 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-17 20:32:10,449 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-12-17 20:32:11,927 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2020-12-17 20:32:12,466 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 20:32:13,551 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-17 20:32:14,396 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-12-17 20:32:15,464 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-12-17 20:32:17,840 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-12-17 20:32:18,531 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-12-17 20:32:19,393 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-12-17 20:32:20,356 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2020-12-17 20:32:20,732 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2020-12-17 20:32:21,846 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2020-12-17 20:32:22,293 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:32:23,132 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:32:24,057 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:32:24,881 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-12-17 20:32:25,496 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:32:26,125 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:32:26,514 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:32:27,027 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2020-12-17 20:32:27,504 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-12-17 20:32:27,851 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-17 20:32:29,967 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-12-17 20:32:31,438 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:32:32,314 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:32:33,125 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-17 20:32:33,620 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:32:34,237 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:32:34,760 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:32:35,009 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-17 20:32:35,582 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:32:36,053 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:32:36,485 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:32:37,014 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:32:37,311 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:32:37,747 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:32:38,168 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:32:38,455 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:32:39,066 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:32:39,334 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-17 20:32:39,749 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:32:40,284 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-17 20:32:41,878 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:32:42,506 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:32:43,189 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:32:43,788 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:32:44,523 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:32:44,995 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:32:45,712 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:32:47,076 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-17 20:32:48,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:32:48,819 INFO L93 Difference]: Finished difference Result 37331 states and 92095 transitions. [2020-12-17 20:32:48,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2020-12-17 20:32:48,822 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 [2020-12-17 20:32:48,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:32:48,825 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4693 ImplicationChecksByTransitivity, 46.4s TimeCoverageRelationStatistics Valid=1627, Invalid=15403, Unknown=0, NotChecked=0, Total=17030 [2020-12-17 20:32:48,825 INFO L78 Accepts]: Start accepts. Automaton has 37331 states and 92095 transitions. Word has length 181 [2020-12-17 20:32:48,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:32:48,826 INFO L481 AbstractCegarLoop]: Abstraction has 37331 states and 92095 transitions. [2020-12-17 20:32:48,826 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) [2020-12-17 20:32:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 37331 states and 92095 transitions. [2020-12-17 20:32:48,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:32:48,853 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:32:48,853 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] [2020-12-17 20:32:48,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-17 20:32:48,854 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]=== [2020-12-17 20:32:48,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:32:48,854 INFO L82 PathProgramCache]: Analyzing trace with hash -878825517, now seen corresponding path program 6 times [2020-12-17 20:32:48,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:32:48,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344330218] [2020-12-17 20:32:48,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:32:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:32:50,301 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:32:50,837 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:32:51,450 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:32:52,276 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:32:52,877 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:32:53,535 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:32:54,009 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:32:54,489 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:32:55,271 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:32:55,575 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:32:55,874 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:32:56,285 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-12-17 20:32:56,621 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-12-17 20:32:57,117 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-12-17 20:32:57,489 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-17 20:32:57,809 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-12-17 20:32:58,109 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-17 20:32:58,367 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-17 20:32:58,662 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-17 20:32:59,023 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-17 20:32:59,319 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-17 20:32:59,608 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-12-17 20:32:59,920 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-17 20:33:00,312 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-17 20:33:00,726 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:33:01,412 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:33:02,072 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:33:02,658 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:33:03,264 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-17 20:33:03,557 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:33:03,828 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:33:04,416 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-12-17 20:33:04,721 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:33:05,091 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:33:05,423 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2020-12-17 20:33:05,798 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-12-17 20:33:06,709 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2020-12-17 20:33:07,076 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2020-12-17 20:33:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:33:07,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344330218] [2020-12-17 20:33:07,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:33:07,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:33:07,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252346381] [2020-12-17 20:33:07,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:33:07,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:33:07,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:33:07,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:33:07,340 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) [2020-12-17 20:33:10,055 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-17 20:33:10,812 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:33:11,434 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:33:12,079 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:33:12,798 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:33:14,214 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:33:15,250 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-12-17 20:33:16,211 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-17 20:33:17,410 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2020-12-17 20:33:20,017 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2020-12-17 20:33:22,427 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2020-12-17 20:33:25,470 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 20:33:26,908 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:33:27,403 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-17 20:33:28,097 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-17 20:33:28,792 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-12-17 20:33:30,512 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2020-12-17 20:33:31,051 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 20:33:32,260 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-17 20:33:33,165 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-12-17 20:33:34,399 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-12-17 20:33:35,376 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-17 20:33:36,615 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2020-12-17 20:33:38,001 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-12-17 20:33:38,990 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-12-17 20:33:40,487 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2020-12-17 20:33:40,858 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-12-17 20:33:42,056 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:33:42,541 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:33:43,295 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:33:44,380 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:33:45,263 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:33:45,964 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:33:46,545 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-12-17 20:33:46,960 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-17 20:33:49,668 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:33:50,675 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:33:51,452 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-17 20:33:52,066 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:33:52,816 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:33:53,346 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:33:53,651 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-17 20:33:54,323 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:33:54,864 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:33:55,374 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:33:55,918 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:33:56,247 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:33:56,720 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:33:57,142 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:33:57,433 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:33:58,045 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:33:58,361 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-17 20:33:58,828 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:33:59,415 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-17 20:34:01,018 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:34:01,719 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:34:02,416 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:34:02,904 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:34:03,753 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:34:04,311 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:34:05,186 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:34:05,868 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-17 20:34:06,819 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-17 20:34:08,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:34:08,745 INFO L93 Difference]: Finished difference Result 39851 states and 98450 transitions. [2020-12-17 20:34:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-12-17 20:34:08,749 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 [2020-12-17 20:34:08,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:34:08,752 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4396 ImplicationChecksByTransitivity, 51.5s TimeCoverageRelationStatistics Valid=1576, Invalid=14680, Unknown=0, NotChecked=0, Total=16256 [2020-12-17 20:34:08,752 INFO L78 Accepts]: Start accepts. Automaton has 39851 states and 98450 transitions. Word has length 181 [2020-12-17 20:34:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:34:08,753 INFO L481 AbstractCegarLoop]: Abstraction has 39851 states and 98450 transitions. [2020-12-17 20:34:08,753 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) [2020-12-17 20:34:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 39851 states and 98450 transitions. [2020-12-17 20:34:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:34:08,782 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:34:08,782 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] [2020-12-17 20:34:08,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-17 20:34:08,782 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]=== [2020-12-17 20:34:08,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:34:08,783 INFO L82 PathProgramCache]: Analyzing trace with hash -511751047, now seen corresponding path program 7 times [2020-12-17 20:34:08,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:34:08,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854871315] [2020-12-17 20:34:08,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:34:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:34:09,730 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-17 20:34:09,875 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-17 20:34:10,030 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-17 20:34:10,640 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:34:11,223 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:34:11,929 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:34:13,144 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:34:13,860 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:34:14,697 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:34:15,385 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:34:16,041 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:34:17,022 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:34:17,385 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:34:17,747 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:34:18,272 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-12-17 20:34:18,717 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-12-17 20:34:19,264 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-12-17 20:34:19,687 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-17 20:34:20,085 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-12-17 20:34:20,524 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-17 20:34:20,857 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-17 20:34:21,253 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-17 20:34:21,643 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-17 20:34:21,987 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-17 20:34:22,335 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-12-17 20:34:22,735 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-17 20:34:23,174 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-17 20:34:23,637 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:34:24,430 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:34:25,189 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:34:25,822 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:34:26,494 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-17 20:34:26,855 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:34:27,168 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:34:27,475 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-12-17 20:34:27,848 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-12-17 20:34:28,223 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:34:28,631 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:34:28,987 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2020-12-17 20:34:29,389 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-12-17 20:34:30,358 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2020-12-17 20:34:30,778 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2020-12-17 20:34:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:34:31,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854871315] [2020-12-17 20:34:31,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:34:31,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:34:31,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61231634] [2020-12-17 20:34:31,247 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:34:31,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:34:31,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:34:31,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:34:31,248 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) [2020-12-17 20:34:33,671 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-17 20:34:34,529 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:34:35,168 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:34:35,812 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:34:36,583 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:34:38,331 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:34:39,549 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-12-17 20:34:40,641 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-17 20:34:42,053 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2020-12-17 20:34:44,998 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2020-12-17 20:34:47,773 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2020-12-17 20:34:51,277 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 20:34:52,807 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:34:53,349 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-17 20:34:54,103 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-17 20:34:54,970 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-12-17 20:34:57,085 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2020-12-17 20:34:57,770 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 20:34:59,063 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-17 20:35:00,288 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-12-17 20:35:01,587 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-12-17 20:35:02,594 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-17 20:35:03,942 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2020-12-17 20:35:05,620 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-12-17 20:35:06,601 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-12-17 20:35:07,203 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2020-12-17 20:35:09,107 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2020-12-17 20:35:09,640 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-12-17 20:35:11,282 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:35:12,376 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:35:12,965 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-12-17 20:35:14,043 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:35:15,118 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:35:15,828 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:35:16,292 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:35:16,968 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2020-12-17 20:35:17,452 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-17 20:35:20,087 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:35:21,187 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:35:21,501 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-17 20:35:22,150 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-17 20:35:22,800 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:35:23,607 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:35:24,151 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:35:24,482 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-17 20:35:25,202 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:35:25,731 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:35:26,287 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:35:26,770 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:35:27,149 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:35:27,890 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:35:28,360 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:35:28,700 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:35:29,289 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:35:29,639 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-17 20:35:30,096 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:35:30,602 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-17 20:35:32,041 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:35:32,801 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:35:33,395 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:35:33,873 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:35:34,648 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:35:35,239 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:35:36,221 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:35:36,876 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-17 20:35:37,748 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-17 20:35:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:35:39,424 INFO L93 Difference]: Finished difference Result 43469 states and 107746 transitions. [2020-12-17 20:35:39,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2020-12-17 20:35:39,430 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 [2020-12-17 20:35:39,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:35:39,432 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4573 ImplicationChecksByTransitivity, 61.0s TimeCoverageRelationStatistics Valid=1607, Invalid=15163, Unknown=0, NotChecked=0, Total=16770 [2020-12-17 20:35:39,432 INFO L78 Accepts]: Start accepts. Automaton has 43469 states and 107746 transitions. Word has length 181 [2020-12-17 20:35:39,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:35:39,433 INFO L481 AbstractCegarLoop]: Abstraction has 43469 states and 107746 transitions. [2020-12-17 20:35:39,433 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) [2020-12-17 20:35:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 43469 states and 107746 transitions. [2020-12-17 20:35:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:35:39,486 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:35:39,486 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] [2020-12-17 20:35:39,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-17 20:35:39,487 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]=== [2020-12-17 20:35:39,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:35:39,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1597727161, now seen corresponding path program 8 times [2020-12-17 20:35:39,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:35:39,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901834939] [2020-12-17 20:35:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:35:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:35:40,691 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-17 20:35:41,331 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:35:42,076 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:35:42,973 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:35:44,305 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:35:45,072 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:35:46,056 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:35:46,786 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:35:47,585 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:35:48,763 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:35:49,176 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:35:49,618 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:35:50,195 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-12-17 20:35:50,698 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-12-17 20:35:51,308 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-12-17 20:35:51,836 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-17 20:35:52,312 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-12-17 20:35:52,808 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-17 20:35:53,174 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-17 20:35:53,662 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2020-12-17 20:35:54,161 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2020-12-17 20:35:54,573 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-17 20:35:54,957 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2020-12-17 20:35:55,425 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-17 20:35:56,137 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 20:35:56,652 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:35:57,488 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:35:58,382 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:35:59,024 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2020-12-17 20:35:59,816 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-17 20:36:00,217 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:36:00,569 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:36:00,918 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-12-17 20:36:01,337 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-12-17 20:36:01,785 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:36:02,212 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:36:02,582 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2020-12-17 20:36:03,005 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-12-17 20:36:04,101 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2020-12-17 20:36:04,528 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2020-12-17 20:36:04,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:36:04,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901834939] [2020-12-17 20:36:04,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:36:04,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:36:04,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327701448] [2020-12-17 20:36:04,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:36:04,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:36:04,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:36:04,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2362, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:36:04,788 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) [2020-12-17 20:36:07,568 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-12-17 20:36:07,983 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-17 20:36:09,109 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:36:09,895 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:36:10,696 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:36:11,630 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:36:13,554 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:36:14,832 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-12-17 20:36:15,981 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-17 20:36:17,421 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2020-12-17 20:36:20,811 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2020-12-17 20:36:23,833 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2020-12-17 20:36:27,750 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 20:36:29,506 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:36:30,087 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-17 20:36:31,055 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-12-17 20:36:31,884 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-12-17 20:36:34,071 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2020-12-17 20:36:34,844 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2020-12-17 20:36:36,308 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2020-12-17 20:36:37,529 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2020-12-17 20:36:39,023 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-12-17 20:36:40,147 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2020-12-17 20:36:41,731 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2020-12-17 20:36:43,468 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-12-17 20:36:44,616 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2020-12-17 20:36:45,499 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2020-12-17 20:36:48,285 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2020-12-17 20:36:48,902 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2020-12-17 20:36:50,414 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-12-17 20:36:52,093 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2020-12-17 20:36:53,612 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:36:54,337 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-12-17 20:36:55,798 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:36:57,163 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:36:58,159 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:36:58,678 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:36:59,654 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2020-12-17 20:37:03,821 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-17 20:37:04,385 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-17 20:37:04,894 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:37:05,173 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-17 20:37:05,872 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-17 20:37:06,355 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-17 20:37:06,984 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-17 20:37:07,607 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:37:07,959 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-17 20:37:08,474 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-17 20:37:09,083 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:37:09,460 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-12-17 20:37:10,089 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:37:10,481 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:37:10,853 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:37:11,378 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:37:11,736 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:37:12,411 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:37:12,751 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-17 20:37:13,265 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:37:13,913 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-17 20:37:15,627 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-17 20:37:16,492 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-12-17 20:37:17,248 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:37:17,807 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:37:18,799 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:37:19,415 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:37:20,361 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:37:21,135 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-17 20:37:22,239 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-17 20:37:24,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:37:24,500 INFO L93 Difference]: Finished difference Result 45155 states and 111987 transitions. [2020-12-17 20:37:24,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-12-17 20:37:24,505 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 [2020-12-17 20:37:24,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:37:24,508 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4654 ImplicationChecksByTransitivity, 66.2s TimeCoverageRelationStatistics Valid=1619, Invalid=15411, Unknown=0, NotChecked=0, Total=17030 [2020-12-17 20:37:24,508 INFO L78 Accepts]: Start accepts. Automaton has 45155 states and 111987 transitions. Word has length 181 [2020-12-17 20:37:24,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:37:24,508 INFO L481 AbstractCegarLoop]: Abstraction has 45155 states and 111987 transitions. [2020-12-17 20:37:24,508 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) [2020-12-17 20:37:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 45155 states and 111987 transitions. [2020-12-17 20:37:24,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:37:24,539 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:37:24,539 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] [2020-12-17 20:37:24,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-17 20:37:24,539 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]=== [2020-12-17 20:37:24,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:37:24,540 INFO L82 PathProgramCache]: Analyzing trace with hash 703394041, now seen corresponding path program 9 times [2020-12-17 20:37:24,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:37:24,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068177824] [2020-12-17 20:37:24,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:37:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:37:25,382 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-17 20:37:25,657 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-17 20:37:26,479 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:37:27,243 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2020-12-17 20:37:28,116 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2020-12-17 20:37:29,079 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-12-17 20:37:29,795 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-12-17 20:37:30,610 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:37:31,300 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-12-17 20:37:31,930 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2020-12-17 20:37:32,828 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-12-17 20:37:33,182 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2020-12-17 20:37:33,537 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2020-12-17 20:37:34,033 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2020-12-17 20:37:34,475 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2020-12-17 20:37:35,073 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2020-12-17 20:37:35,531 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2020-12-17 20:37:35,832 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2020-12-17 20:37:36,137 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-17 20:37:36,462 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-12-17 20:37:37,008 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-17 20:37:37,434 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-12-17 20:37:38,034 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2020-12-17 20:37:38,792 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2020-12-17 20:37:39,462 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2020-12-17 20:37:40,451 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2020-12-17 20:37:40,894 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-17 20:37:41,238 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:37:41,588 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:37:41,940 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-12-17 20:37:42,364 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-12-17 20:37:42,782 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:37:43,205 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:37:43,585 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2020-12-17 20:37:44,016 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-12-17 20:37:45,101 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2020-12-17 20:37:45,533 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2020-12-17 20:37:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:37:45,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068177824] [2020-12-17 20:37:45,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:37:45,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2020-12-17 20:37:45,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848989649] [2020-12-17 20:37:45,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-12-17 20:37:45,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:37:45,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-12-17 20:37:45,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2020-12-17 20:37:45,781 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) [2020-12-17 20:37:48,548 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-12-17 20:37:48,940 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-17 20:37:49,987 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:37:50,736 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:37:51,521 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2020-12-17 20:37:52,455 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 48 [2020-12-17 20:37:54,471 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2020-12-17 20:37:55,576 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2020-12-17 20:37:56,558 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2020-12-17 20:37:57,903 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 57 [2020-12-17 20:38:01,119 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 157 DAG size of output: 83 [2020-12-17 20:38:03,880 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 149 DAG size of output: 78 [2020-12-17 20:38:07,185 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 20:38:08,728 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:38:09,309 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-17 20:38:10,158 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-12-17 20:38:10,994 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 34 [2020-12-17 20:38:13,954 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-17 20:38:16,027 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-17 20:38:16,728 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-12-17 20:38:18,757 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-12-17 20:38:19,938 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 20:38:20,370 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-12-17 20:38:21,644 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2020-12-17 20:38:22,847 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2020-12-17 20:38:23,627 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-12-17 20:38:24,987 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2020-12-17 20:38:25,710 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-12-17 20:38:26,428 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:38:27,460 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-17 20:38:28,712 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2020-12-17 20:38:30,199 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2020-12-17 20:38:31,267 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-12-17 20:38:31,611 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-17 20:38:32,211 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-12-17 20:38:32,725 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-17 20:38:36,817 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:38:37,359 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-17 20:38:38,042 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:38:38,335 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-17 20:38:39,028 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-17 20:38:39,728 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:38:40,559 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:38:41,135 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:38:41,488 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-17 20:38:42,233 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:38:42,816 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:38:43,423 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:38:43,996 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:38:44,384 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:38:44,963 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:38:45,489 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:38:45,856 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:38:46,530 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:38:46,885 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-17 20:38:47,434 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:38:48,053 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-17 20:38:49,837 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:38:50,730 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:38:51,422 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:38:51,962 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:38:52,871 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:38:53,503 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:38:54,505 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:38:55,257 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-17 20:38:56,276 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-17 20:38:58,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:38:58,462 INFO L93 Difference]: Finished difference Result 46373 states and 115380 transitions. [2020-12-17 20:38:58,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2020-12-17 20:38:58,468 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 [2020-12-17 20:38:58,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:38:58,470 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4436 ImplicationChecksByTransitivity, 57.4s TimeCoverageRelationStatistics Valid=1437, Invalid=14313, Unknown=0, NotChecked=0, Total=15750 [2020-12-17 20:38:58,470 INFO L78 Accepts]: Start accepts. Automaton has 46373 states and 115380 transitions. Word has length 181 [2020-12-17 20:38:58,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:38:58,470 INFO L481 AbstractCegarLoop]: Abstraction has 46373 states and 115380 transitions. [2020-12-17 20:38:58,470 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) [2020-12-17 20:38:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 46373 states and 115380 transitions. [2020-12-17 20:38:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:38:58,504 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:38:58,505 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] [2020-12-17 20:38:58,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-17 20:38:58,505 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]=== [2020-12-17 20:38:58,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:38:58,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1352440787, now seen corresponding path program 10 times [2020-12-17 20:38:58,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:38:58,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023473935] [2020-12-17 20:38:58,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:38:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:38:59,935 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-17 20:39:00,553 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:39:01,334 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-12-17 20:39:02,280 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-12-17 20:39:03,723 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2020-12-17 20:39:04,620 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-12-17 20:39:05,611 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-12-17 20:39:06,349 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-12-17 20:39:07,155 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-12-17 20:39:08,311 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-17 20:39:08,742 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:39:09,184 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2020-12-17 20:39:09,790 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2020-12-17 20:39:10,315 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-12-17 20:39:10,952 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-12-17 20:39:11,476 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-17 20:39:12,033 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2020-12-17 20:39:12,539 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-17 20:39:13,073 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-17 20:39:13,484 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-12-17 20:39:13,970 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-12-17 20:39:14,470 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:39:14,889 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-12-17 20:39:15,312 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-17 20:39:15,833 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-12-17 20:39:16,379 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-12-17 20:39:17,294 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2020-12-17 20:39:18,222 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2020-12-17 20:39:19,049 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2020-12-17 20:39:19,862 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-17 20:39:20,285 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:39:20,672 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-17 20:39:21,050 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2020-12-17 20:39:21,501 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2020-12-17 20:39:21,973 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:39:22,436 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2020-12-17 20:39:22,856 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2020-12-17 20:39:23,342 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2020-12-17 20:39:24,529 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2020-12-17 20:39:24,998 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2020-12-17 20:39:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-17 20:39:25,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023473935] [2020-12-17 20:39:25,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-17 20:39:25,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2020-12-17 20:39:25,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855114335] [2020-12-17 20:39:25,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-12-17 20:39:25,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-17 20:39:25,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-12-17 20:39:25,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2363, Unknown=0, NotChecked=0, Total=2550 [2020-12-17 20:39:25,264 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) [2020-12-17 20:39:27,719 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-12-17 20:39:28,275 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-17 20:39:29,259 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-17 20:39:29,987 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2020-12-17 20:39:30,770 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2020-12-17 20:39:31,635 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2020-12-17 20:39:33,441 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2020-12-17 20:39:34,670 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2020-12-17 20:39:35,930 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2020-12-17 20:39:37,402 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2020-12-17 20:39:41,006 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2020-12-17 20:39:44,440 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2020-12-17 20:39:48,291 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-17 20:39:51,090 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-12-17 20:39:51,744 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2020-12-17 20:39:52,550 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2020-12-17 20:39:53,506 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-17 20:39:55,251 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-12-17 20:39:55,812 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2020-12-17 20:39:56,619 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-12-17 20:39:57,331 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-12-17 20:39:57,729 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-17 20:39:58,066 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-17 20:39:58,746 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-17 20:39:59,144 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-12-17 20:40:00,888 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-12-17 20:40:01,909 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2020-12-17 20:40:03,057 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2020-12-17 20:40:04,282 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2020-12-17 20:40:05,014 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2020-12-17 20:40:06,521 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2020-12-17 20:40:07,380 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2020-12-17 20:40:08,856 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-12-17 20:40:09,727 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-12-17 20:40:11,211 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:40:12,733 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2020-12-17 20:40:14,274 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2020-12-17 20:40:15,420 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-12-17 20:40:16,615 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2020-12-17 20:40:17,744 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2020-12-17 20:40:18,473 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-12-17 20:40:19,049 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2020-12-17 20:40:19,939 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2020-12-17 20:40:20,462 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-12-17 20:40:23,737 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-17 20:40:24,257 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-17 20:40:24,968 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-12-17 20:40:25,280 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-17 20:40:25,969 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-17 20:40:26,731 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-17 20:40:27,549 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:40:28,129 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:40:28,502 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-17 20:40:29,298 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2020-12-17 20:40:29,870 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:40:30,524 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-12-17 20:40:31,093 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-17 20:40:31,511 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:40:32,141 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:40:32,668 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:40:33,066 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-17 20:40:33,713 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-17 20:40:34,095 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-17 20:40:34,622 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-17 20:40:35,298 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-17 20:40:36,912 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-12-17 20:40:37,833 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-12-17 20:40:38,498 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-17 20:40:39,027 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-12-17 20:40:39,932 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2020-12-17 20:40:40,600 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-17 20:40:41,690 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-12-17 20:40:42,593 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-17 20:40:43,472 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-17 20:40:45,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-17 20:40:45,222 INFO L93 Difference]: Finished difference Result 50393 states and 125147 transitions. [2020-12-17 20:40:45,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-12-17 20:40:45,228 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 [2020-12-17 20:40:45,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-17 20:40:45,230 INFO L763 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5052 ImplicationChecksByTransitivity, 73.4s TimeCoverageRelationStatistics Valid=1661, Invalid=16429, Unknown=0, NotChecked=0, Total=18090 [2020-12-17 20:40:45,230 INFO L78 Accepts]: Start accepts. Automaton has 50393 states and 125147 transitions. Word has length 181 [2020-12-17 20:40:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-17 20:40:45,230 INFO L481 AbstractCegarLoop]: Abstraction has 50393 states and 125147 transitions. [2020-12-17 20:40:45,231 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) [2020-12-17 20:40:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 50393 states and 125147 transitions. [2020-12-17 20:40:45,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-17 20:40:45,261 INFO L496 BasicCegarLoop]: Found error trace [2020-12-17 20:40:45,261 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] [2020-12-17 20:40:45,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-17 20:40:45,261 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]=== [2020-12-17 20:40:45,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-17 20:40:45,262 INFO L82 PathProgramCache]: Analyzing trace with hash 840449337, now seen corresponding path program 11 times [2020-12-17 20:40:45,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-17 20:40:45,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204747534] [2020-12-17 20:40:45,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-17 20:40:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-17 20:40:46,179 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-17 20:40:46,366 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2020-12-17 20:40:46,545 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-17 20:40:47,260 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-17 20:40:48,159 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 Received shutdown request... [2020-12-17 20:40:49,023 WARN L210 SmtUtils]: Removed 9 from assertion stack [2020-12-17 20:40:49,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-17 20:40:49,024 WARN L546 AbstractCegarLoop]: Verification canceled [2020-12-17 20:40:49,028 WARN L250 ceAbstractionStarter]: Timeout [2020-12-17 20:40:49,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 08:40:49 BasicIcfg [2020-12-17 20:40:49,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-17 20:40:49,030 INFO L168 Benchmark]: Toolchain (without parser) took 812663.03 ms. Allocated memory was 302.0 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 276.9 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2020-12-17 20:40:49,030 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-12-17 20:40:49,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 995.96 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 259.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.0 GB. [2020-12-17 20:40:49,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.65 ms. Allocated memory is still 302.0 MB. Free memory was 259.4 MB in the beginning and 256.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2020-12-17 20:40:49,031 INFO L168 Benchmark]: Boogie Preprocessor took 62.80 ms. Allocated memory is still 302.0 MB. Free memory was 256.2 MB in the beginning and 254.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-12-17 20:40:49,031 INFO L168 Benchmark]: RCFGBuilder took 1045.11 ms. Allocated memory is still 302.0 MB. Free memory was 254.1 MB in the beginning and 205.9 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2020-12-17 20:40:49,031 INFO L168 Benchmark]: TraceAbstraction took 810469.11 ms. Allocated memory was 302.0 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 205.9 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 964.0 MB. Max. memory is 16.0 GB. [2020-12-17 20:40:49,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 995.96 ms. Allocated memory is still 302.0 MB. Free memory was 276.7 MB in the beginning and 259.4 MB in the end (delta: 17.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 73.65 ms. Allocated memory is still 302.0 MB. Free memory was 259.4 MB in the beginning and 256.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 62.80 ms. Allocated memory is still 302.0 MB. Free memory was 256.2 MB in the beginning and 254.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1045.11 ms. Allocated memory is still 302.0 MB. Free memory was 254.1 MB in the beginning and 205.9 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 810469.11 ms. Allocated memory was 302.0 MB in the beginning and 3.2 GB in the end (delta: 2.9 GB). Free memory was 205.9 MB in the beginning and 2.2 GB in the end (delta: -1.9 GB). Peak memory consumption was 964.0 MB. 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 66 for 663ms.. - 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 66 for 663ms.. - 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 66 for 663ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 810.1s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 613.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 10053 SDtfs, 49395 SDslu, 163827 SDs, 0 SdLazy, 79451 SolverSat, 2709 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 153.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2017 GetRequests, 212 SyntacticMatches, 49 SemanticMatches, 1756 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51318 ImplicationChecksByTransitivity, 524.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50393occurred 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, 1.2s SatisfiabilityAnalysisTime, 185.8s InterpolantComputationTime, 3566 NumberOfCodeBlocks, 3566 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3540 ConstructedInterpolants, 0 QuantifiedInterpolants, 28687481 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