/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 16:27:57,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 16:27:57,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 16:27:58,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 16:27:58,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 16:27:58,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 16:27:58,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 16:27:58,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 16:27:58,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 16:27:58,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 16:27:58,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 16:27:58,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 16:27:58,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 16:27:58,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 16:27:58,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 16:27:58,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 16:27:58,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 16:27:58,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 16:27:58,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 16:27:58,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 16:27:58,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 16:27:58,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 16:27:58,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 16:27:58,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 16:27:58,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 16:27:58,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 16:27:58,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 16:27:58,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 16:27:58,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 16:27:58,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 16:27:58,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 16:27:58,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 16:27:58,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 16:27:58,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 16:27:58,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 16:27:58,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 16:27:58,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 16:27:58,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 16:27:58,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 16:27:58,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 16:27:58,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 16:27:58,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 16:27:58,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 16:27:58,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 16:27:58,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 16:27:58,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 16:27:58,161 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 16:27:58,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 16:27:58,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 16:27:58,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 16:27:58,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 16:27:58,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 16:27:58,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 16:27:58,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 16:27:58,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 16:27:58,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 16:27:58,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 16:27:58,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 16:27:58,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 16:27:58,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 16:27:58,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 16:27:58,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 16:27:58,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 16:27:58,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 16:27:58,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 16:27:58,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 16:27:58,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 16:27:58,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 16:27:58,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 16:27:58,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 16:27:58,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 16:27:58,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 16:27:58,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 16:27:58,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 16:27:58,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 16:27:58,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 16:27:58,493 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 16:27:58,494 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue.i [2020-10-15 16:27:58,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d9ee832/fd60f824a2a444ffbd74697af265e212/FLAGb1118cf5f [2020-10-15 16:27:59,221 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 16:27:59,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue.i [2020-10-15 16:27:59,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d9ee832/fd60f824a2a444ffbd74697af265e212/FLAGb1118cf5f [2020-10-15 16:27:59,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17d9ee832/fd60f824a2a444ffbd74697af265e212 [2020-10-15 16:27:59,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 16:27:59,432 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 16:27:59,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 16:27:59,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 16:27:59,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 16:27:59,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:27:59" (1/1) ... [2020-10-15 16:27:59,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7ee045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:27:59, skipping insertion in model container [2020-10-15 16:27:59,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:27:59" (1/1) ... [2020-10-15 16:27:59,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 16:27:59,510 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 16:28:00,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:28:00,132 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 16:28:00,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:28:00,382 INFO L208 MainTranslator]: Completed translation [2020-10-15 16:28:00,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00 WrapperNode [2020-10-15 16:28:00,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 16:28:00,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 16:28:00,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 16:28:00,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 16:28:00,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 16:28:00,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 16:28:00,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 16:28:00,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 16:28:00,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (1/1) ... [2020-10-15 16:28:00,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 16:28:00,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 16:28:00,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 16:28:00,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 16:28:00,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (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 [2020-10-15 16:28:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 16:28:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 16:28:00,647 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 16:28:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 16:28:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 16:28:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 16:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 16:28:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 16:28:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 16:28:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 16:28:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 16:28:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 16:28:00,653 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 16:28:01,617 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 16:28:01,617 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-15 16:28:01,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:28:01 BoogieIcfgContainer [2020-10-15 16:28:01,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 16:28:01,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 16:28:01,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 16:28:01,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 16:28:01,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:27:59" (1/3) ... [2020-10-15 16:28:01,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9b9622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:28:01, skipping insertion in model container [2020-10-15 16:28:01,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:00" (2/3) ... [2020-10-15 16:28:01,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b9b9622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:28:01, skipping insertion in model container [2020-10-15 16:28:01,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:28:01" (3/3) ... [2020-10-15 16:28:01,639 INFO L111 eAbstractionObserver]: Analyzing ICFG queue.i [2020-10-15 16:28:01,653 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 16:28:01,654 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 16:28:01,663 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-15 16:28:01,664 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 16:28:01,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,713 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,714 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,715 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,715 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,716 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,716 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,717 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,717 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,718 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,718 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,718 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,718 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,718 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,719 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,719 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,719 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,719 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,719 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,719 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,720 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,720 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,720 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,720 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,720 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,721 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,721 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,722 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,722 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,722 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,722 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,723 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,723 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,724 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,724 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,724 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,725 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,725 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,725 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,725 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,730 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,730 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,731 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,732 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,733 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,733 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,734 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,734 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,735 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,735 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,736 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,736 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,737 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,737 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,738 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,739 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,740 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,741 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,742 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,742 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,742 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,743 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,743 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,743 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,743 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,744 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,744 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,745 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,745 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,746 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,746 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,746 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,747 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,747 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,748 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,748 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,749 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,749 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,749 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,750 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,750 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,751 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,751 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,752 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,752 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,753 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,753 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,754 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,754 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,755 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,755 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,785 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,785 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,785 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,786 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,786 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,786 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,786 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,786 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,788 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,788 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,789 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,790 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,791 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,791 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,791 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,792 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,792 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,792 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,792 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,793 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,793 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,793 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,794 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,795 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,795 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,795 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,795 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,796 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,796 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,796 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,796 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,796 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,796 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,797 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,797 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,797 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,797 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,797 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,798 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,798 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,798 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,798 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,798 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,799 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,799 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,799 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,799 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,799 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,799 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,800 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,800 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,800 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,800 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,800 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,801 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,801 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,801 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,801 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,801 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,802 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,802 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,802 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,802 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,803 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,803 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,803 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,803 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,803 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,804 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,804 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,804 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,804 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,804 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,804 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,805 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,805 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,805 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,805 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,805 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,806 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,806 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,806 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,806 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,807 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,807 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,807 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,807 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,807 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,807 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,808 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,808 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,808 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,808 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,808 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,809 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,809 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,809 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,815 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,815 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,816 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,818 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,818 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,819 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,819 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,820 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,828 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:01,854 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-15 16:28:01,880 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 16:28:01,880 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 16:28:01,880 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 16:28:01,881 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 16:28:01,881 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 16:28:01,881 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 16:28:01,881 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 16:28:01,881 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 16:28:01,901 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 16:28:01,906 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-15 16:28:01,909 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-15 16:28:01,911 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-15 16:28:02,025 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-15 16:28:02,026 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 16:28:02,036 INFO L80 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 244 events. 16/244 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 381 event pairs, 0 based on Foata normal form. 0/226 useless extension candidates. Maximal degree in co-relation 179. Up to 3 conditions per place. [2020-10-15 16:28:02,051 INFO L117 LiptonReduction]: Number of co-enabled transitions 14896 [2020-10-15 16:28:06,032 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-15 16:28:06,932 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-15 16:28:07,055 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-15 16:28:08,059 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2020-10-15 16:28:08,383 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 16:28:09,353 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 132 [2020-10-15 16:28:09,812 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-15 16:28:10,198 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 16:28:10,577 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 16:28:12,817 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-10-15 16:28:13,334 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 16:28:13,358 INFO L132 LiptonReduction]: Checked pairs total: 39936 [2020-10-15 16:28:13,359 INFO L134 LiptonReduction]: Total number of compositions: 207 [2020-10-15 16:28:13,366 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 72 transitions, 166 flow [2020-10-15 16:28:13,452 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1165 states. [2020-10-15 16:28:13,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states. [2020-10-15 16:28:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-10-15 16:28:13,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:13,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2020-10-15 16:28:13,462 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]=== [2020-10-15 16:28:13,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:13,468 INFO L82 PathProgramCache]: Analyzing trace with hash 30247, now seen corresponding path program 1 times [2020-10-15 16:28:13,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:13,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747295805] [2020-10-15 16:28:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:13,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747295805] [2020-10-15 16:28:13,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:13,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-15 16:28:13,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134898585] [2020-10-15 16:28:13,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 16:28:13,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:13,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 16:28:13,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 16:28:13,632 INFO L87 Difference]: Start difference. First operand 1165 states. Second operand 2 states. [2020-10-15 16:28:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:13,693 INFO L93 Difference]: Finished difference Result 1163 states and 3076 transitions. [2020-10-15 16:28:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 16:28:13,694 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 2 [2020-10-15 16:28:13,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:13,727 INFO L225 Difference]: With dead ends: 1163 [2020-10-15 16:28:13,728 INFO L226 Difference]: Without dead ends: 1077 [2020-10-15 16:28:13,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 16:28:13,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-15 16:28:13,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077. [2020-10-15 16:28:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-10-15 16:28:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 2875 transitions. [2020-10-15 16:28:13,883 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 2875 transitions. Word has length 2 [2020-10-15 16:28:13,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:13,883 INFO L481 AbstractCegarLoop]: Abstraction has 1077 states and 2875 transitions. [2020-10-15 16:28:13,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 16:28:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2875 transitions. [2020-10-15 16:28:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 16:28:13,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:13,887 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:13,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 16:28:13,887 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]=== [2020-10-15 16:28:13,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:13,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1551148377, now seen corresponding path program 1 times [2020-10-15 16:28:13,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:13,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369869629] [2020-10-15 16:28:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:14,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:14,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369869629] [2020-10-15 16:28:14,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:14,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:28:14,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525648783] [2020-10-15 16:28:14,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:28:14,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:14,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:28:14,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:14,065 INFO L87 Difference]: Start difference. First operand 1077 states and 2875 transitions. Second operand 3 states. [2020-10-15 16:28:14,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:14,087 INFO L93 Difference]: Finished difference Result 1077 states and 2838 transitions. [2020-10-15 16:28:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:28:14,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-15 16:28:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:14,096 INFO L225 Difference]: With dead ends: 1077 [2020-10-15 16:28:14,096 INFO L226 Difference]: Without dead ends: 1077 [2020-10-15 16:28:14,097 INFO L677 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 [2020-10-15 16:28:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2020-10-15 16:28:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077. [2020-10-15 16:28:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1077 states. [2020-10-15 16:28:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 2838 transitions. [2020-10-15 16:28:14,131 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 2838 transitions. Word has length 11 [2020-10-15 16:28:14,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:14,131 INFO L481 AbstractCegarLoop]: Abstraction has 1077 states and 2838 transitions. [2020-10-15 16:28:14,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:28:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2838 transitions. [2020-10-15 16:28:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 16:28:14,134 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:14,134 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:14,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 16:28:14,135 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]=== [2020-10-15 16:28:14,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:14,135 INFO L82 PathProgramCache]: Analyzing trace with hash 304222627, now seen corresponding path program 1 times [2020-10-15 16:28:14,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:14,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181121646] [2020-10-15 16:28:14,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:14,528 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-10-15 16:28:14,656 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-10-15 16:28:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:14,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181121646] [2020-10-15 16:28:14,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:14,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 16:28:14,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214068357] [2020-10-15 16:28:14,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 16:28:14,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:14,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 16:28:14,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 16:28:14,721 INFO L87 Difference]: Start difference. First operand 1077 states and 2838 transitions. Second operand 6 states. [2020-10-15 16:28:14,966 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-10-15 16:28:15,251 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-15 16:28:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:15,761 INFO L93 Difference]: Finished difference Result 1076 states and 2835 transitions. [2020-10-15 16:28:15,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 16:28:15,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-15 16:28:15,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:15,769 INFO L225 Difference]: With dead ends: 1076 [2020-10-15 16:28:15,770 INFO L226 Difference]: Without dead ends: 1076 [2020-10-15 16:28:15,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-15 16:28:15,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-10-15 16:28:15,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2020-10-15 16:28:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2020-10-15 16:28:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 2835 transitions. [2020-10-15 16:28:15,802 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 2835 transitions. Word has length 13 [2020-10-15 16:28:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:15,803 INFO L481 AbstractCegarLoop]: Abstraction has 1076 states and 2835 transitions. [2020-10-15 16:28:15,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 16:28:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2835 transitions. [2020-10-15 16:28:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 16:28:15,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:15,805 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:15,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 16:28:15,806 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]=== [2020-10-15 16:28:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:15,806 INFO L82 PathProgramCache]: Analyzing trace with hash 2053158153, now seen corresponding path program 1 times [2020-10-15 16:28:15,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:15,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997557555] [2020-10-15 16:28:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:15,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997557555] [2020-10-15 16:28:15,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:15,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:28:15,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615043582] [2020-10-15 16:28:15,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:28:15,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:15,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:28:15,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:15,844 INFO L87 Difference]: Start difference. First operand 1076 states and 2835 transitions. Second operand 3 states. [2020-10-15 16:28:15,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:15,865 INFO L93 Difference]: Finished difference Result 941 states and 2417 transitions. [2020-10-15 16:28:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:28:15,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-15 16:28:15,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:15,871 INFO L225 Difference]: With dead ends: 941 [2020-10-15 16:28:15,872 INFO L226 Difference]: Without dead ends: 909 [2020-10-15 16:28:15,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:15,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2020-10-15 16:28:15,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2020-10-15 16:28:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-10-15 16:28:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 2342 transitions. [2020-10-15 16:28:15,898 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 2342 transitions. Word has length 13 [2020-10-15 16:28:15,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:15,899 INFO L481 AbstractCegarLoop]: Abstraction has 909 states and 2342 transitions. [2020-10-15 16:28:15,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:28:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 2342 transitions. [2020-10-15 16:28:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 16:28:15,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:15,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:15,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 16:28:15,901 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]=== [2020-10-15 16:28:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1470878311, now seen corresponding path program 1 times [2020-10-15 16:28:15,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:15,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483028375] [2020-10-15 16:28:15,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:16,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483028375] [2020-10-15 16:28:16,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:16,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:28:16,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452663578] [2020-10-15 16:28:16,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:28:16,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:16,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:28:16,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:28:16,043 INFO L87 Difference]: Start difference. First operand 909 states and 2342 transitions. Second operand 7 states. [2020-10-15 16:28:16,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:16,361 INFO L93 Difference]: Finished difference Result 993 states and 2540 transitions. [2020-10-15 16:28:16,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 16:28:16,363 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-15 16:28:16,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:16,369 INFO L225 Difference]: With dead ends: 993 [2020-10-15 16:28:16,369 INFO L226 Difference]: Without dead ends: 993 [2020-10-15 16:28:16,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:28:16,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-10-15 16:28:16,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 965. [2020-10-15 16:28:16,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2020-10-15 16:28:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 2474 transitions. [2020-10-15 16:28:16,402 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 2474 transitions. Word has length 14 [2020-10-15 16:28:16,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:16,402 INFO L481 AbstractCegarLoop]: Abstraction has 965 states and 2474 transitions. [2020-10-15 16:28:16,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:28:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 2474 transitions. [2020-10-15 16:28:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 16:28:16,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:16,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:16,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 16:28:16,405 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]=== [2020-10-15 16:28:16,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:16,405 INFO L82 PathProgramCache]: Analyzing trace with hash -69142429, now seen corresponding path program 2 times [2020-10-15 16:28:16,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:16,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178054931] [2020-10-15 16:28:16,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:16,851 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-15 16:28:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:16,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178054931] [2020-10-15 16:28:16,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:16,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:28:16,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484804796] [2020-10-15 16:28:16,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:28:16,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:16,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:28:16,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:28:16,969 INFO L87 Difference]: Start difference. First operand 965 states and 2474 transitions. Second operand 7 states. [2020-10-15 16:28:17,213 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-15 16:28:17,515 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-15 16:28:18,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:18,069 INFO L93 Difference]: Finished difference Result 1035 states and 2639 transitions. [2020-10-15 16:28:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 16:28:18,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-15 16:28:18,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:18,076 INFO L225 Difference]: With dead ends: 1035 [2020-10-15 16:28:18,077 INFO L226 Difference]: Without dead ends: 1035 [2020-10-15 16:28:18,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:28:18,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-10-15 16:28:18,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 951. [2020-10-15 16:28:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2020-10-15 16:28:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 2441 transitions. [2020-10-15 16:28:18,104 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 2441 transitions. Word has length 14 [2020-10-15 16:28:18,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:18,105 INFO L481 AbstractCegarLoop]: Abstraction has 951 states and 2441 transitions. [2020-10-15 16:28:18,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:28:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 2441 transitions. [2020-10-15 16:28:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 16:28:18,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:18,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:18,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 16:28:18,106 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]=== [2020-10-15 16:28:18,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:18,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1011820279, now seen corresponding path program 3 times [2020-10-15 16:28:18,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:18,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153249468] [2020-10-15 16:28:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:18,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153249468] [2020-10-15 16:28:18,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:18,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 16:28:18,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877110] [2020-10-15 16:28:18,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:28:18,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:18,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:28:18,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:28:18,580 INFO L87 Difference]: Start difference. First operand 951 states and 2441 transitions. Second operand 7 states. [2020-10-15 16:28:18,815 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-15 16:28:19,078 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-15 16:28:19,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:19,569 INFO L93 Difference]: Finished difference Result 937 states and 2394 transitions. [2020-10-15 16:28:19,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 16:28:19,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-15 16:28:19,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:19,579 INFO L225 Difference]: With dead ends: 937 [2020-10-15 16:28:19,579 INFO L226 Difference]: Without dead ends: 937 [2020-10-15 16:28:19,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:28:19,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2020-10-15 16:28:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 895. [2020-10-15 16:28:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2020-10-15 16:28:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 2295 transitions. [2020-10-15 16:28:19,603 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 2295 transitions. Word has length 14 [2020-10-15 16:28:19,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:19,604 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 2295 transitions. [2020-10-15 16:28:19,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:28:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 2295 transitions. [2020-10-15 16:28:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 16:28:19,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:19,605 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:19,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 16:28:19,605 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]=== [2020-10-15 16:28:19,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash 1520950043, now seen corresponding path program 1 times [2020-10-15 16:28:19,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:19,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398147877] [2020-10-15 16:28:19,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:19,826 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-10-15 16:28:20,030 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-10-15 16:28:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:20,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398147877] [2020-10-15 16:28:20,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:20,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 16:28:20,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924821967] [2020-10-15 16:28:20,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 16:28:20,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:20,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 16:28:20,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-15 16:28:20,351 INFO L87 Difference]: Start difference. First operand 895 states and 2295 transitions. Second operand 10 states. [2020-10-15 16:28:20,709 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2020-10-15 16:28:21,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:21,221 INFO L93 Difference]: Finished difference Result 893 states and 2291 transitions. [2020-10-15 16:28:21,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 16:28:21,222 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 14 [2020-10-15 16:28:21,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:21,227 INFO L225 Difference]: With dead ends: 893 [2020-10-15 16:28:21,227 INFO L226 Difference]: Without dead ends: 893 [2020-10-15 16:28:21,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-15 16:28:21,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-15 16:28:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2020-10-15 16:28:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2020-10-15 16:28:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 2291 transitions. [2020-10-15 16:28:21,251 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 2291 transitions. Word has length 14 [2020-10-15 16:28:21,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:21,252 INFO L481 AbstractCegarLoop]: Abstraction has 893 states and 2291 transitions. [2020-10-15 16:28:21,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 16:28:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 2291 transitions. [2020-10-15 16:28:21,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 16:28:21,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:21,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:21,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 16:28:21,253 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]=== [2020-10-15 16:28:21,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:21,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1967571483, now seen corresponding path program 1 times [2020-10-15 16:28:21,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:21,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036702712] [2020-10-15 16:28:21,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:21,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036702712] [2020-10-15 16:28:21,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:21,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 16:28:21,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330982713] [2020-10-15 16:28:21,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 16:28:21,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:21,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 16:28:21,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-15 16:28:21,662 INFO L87 Difference]: Start difference. First operand 893 states and 2291 transitions. Second operand 11 states. [2020-10-15 16:28:22,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:22,372 INFO L93 Difference]: Finished difference Result 989 states and 2526 transitions. [2020-10-15 16:28:22,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 16:28:22,372 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-15 16:28:22,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:22,377 INFO L225 Difference]: With dead ends: 989 [2020-10-15 16:28:22,377 INFO L226 Difference]: Without dead ends: 934 [2020-10-15 16:28:22,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-15 16:28:22,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2020-10-15 16:28:22,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 880. [2020-10-15 16:28:22,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-10-15 16:28:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 2269 transitions. [2020-10-15 16:28:22,397 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 2269 transitions. Word has length 15 [2020-10-15 16:28:22,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:22,398 INFO L481 AbstractCegarLoop]: Abstraction has 880 states and 2269 transitions. [2020-10-15 16:28:22,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 16:28:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 2269 transitions. [2020-10-15 16:28:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 16:28:22,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:22,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:22,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 16:28:22,399 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]=== [2020-10-15 16:28:22,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:22,399 INFO L82 PathProgramCache]: Analyzing trace with hash -188053239, now seen corresponding path program 2 times [2020-10-15 16:28:22,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:22,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598107976] [2020-10-15 16:28:22,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:22,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:22,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598107976] [2020-10-15 16:28:22,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:22,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 16:28:22,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258243648] [2020-10-15 16:28:22,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 16:28:22,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:22,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 16:28:22,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 16:28:22,753 INFO L87 Difference]: Start difference. First operand 880 states and 2269 transitions. Second operand 11 states. [2020-10-15 16:28:23,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:23,388 INFO L93 Difference]: Finished difference Result 992 states and 2552 transitions. [2020-10-15 16:28:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 16:28:23,389 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-15 16:28:23,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:23,395 INFO L225 Difference]: With dead ends: 992 [2020-10-15 16:28:23,396 INFO L226 Difference]: Without dead ends: 977 [2020-10-15 16:28:23,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-15 16:28:23,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2020-10-15 16:28:23,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 866. [2020-10-15 16:28:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-10-15 16:28:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 2236 transitions. [2020-10-15 16:28:23,417 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 2236 transitions. Word has length 15 [2020-10-15 16:28:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:23,417 INFO L481 AbstractCegarLoop]: Abstraction has 866 states and 2236 transitions. [2020-10-15 16:28:23,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 16:28:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 2236 transitions. [2020-10-15 16:28:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 16:28:23,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:23,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:23,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 16:28:23,418 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]=== [2020-10-15 16:28:23,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:23,419 INFO L82 PathProgramCache]: Analyzing trace with hash -96892779, now seen corresponding path program 3 times [2020-10-15 16:28:23,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:23,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649208627] [2020-10-15 16:28:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:23,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:23,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649208627] [2020-10-15 16:28:23,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:23,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 16:28:23,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049697167] [2020-10-15 16:28:23,765 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 16:28:23,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:23,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 16:28:23,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 16:28:23,765 INFO L87 Difference]: Start difference. First operand 866 states and 2236 transitions. Second operand 11 states. [2020-10-15 16:28:24,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:24,389 INFO L93 Difference]: Finished difference Result 910 states and 2345 transitions. [2020-10-15 16:28:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 16:28:24,390 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-15 16:28:24,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:24,395 INFO L225 Difference]: With dead ends: 910 [2020-10-15 16:28:24,395 INFO L226 Difference]: Without dead ends: 900 [2020-10-15 16:28:24,396 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-15 16:28:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2020-10-15 16:28:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 852. [2020-10-15 16:28:24,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-10-15 16:28:24,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 2203 transitions. [2020-10-15 16:28:24,413 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 2203 transitions. Word has length 15 [2020-10-15 16:28:24,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:24,414 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 2203 transitions. [2020-10-15 16:28:24,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 16:28:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2203 transitions. [2020-10-15 16:28:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 16:28:24,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:24,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:24,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 16:28:24,415 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]=== [2020-10-15 16:28:24,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:24,415 INFO L82 PathProgramCache]: Analyzing trace with hash -95278299, now seen corresponding path program 4 times [2020-10-15 16:28:24,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:24,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350642795] [2020-10-15 16:28:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:29,633 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-15 16:28:30,036 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-10-15 16:28:30,312 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-10-15 16:28:30,699 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 52 [2020-10-15 16:28:31,390 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2020-10-15 16:28:32,260 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2020-10-15 16:28:32,994 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-10-15 16:28:33,679 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2020-10-15 16:28:33,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:33,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350642795] [2020-10-15 16:28:33,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:33,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 16:28:33,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245580176] [2020-10-15 16:28:33,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 16:28:33,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:33,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 16:28:33,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-15 16:28:33,856 INFO L87 Difference]: Start difference. First operand 852 states and 2203 transitions. Second operand 12 states. [2020-10-15 16:28:34,400 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-10-15 16:28:36,464 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-15 16:28:41,126 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 16:28:46,637 WARN L193 SmtUtils]: Spent 3.67 s on a formula simplification that was a NOOP. DAG size: 115 [2020-10-15 16:28:53,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:53,909 INFO L93 Difference]: Finished difference Result 854 states and 2218 transitions. [2020-10-15 16:28:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 16:28:53,911 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 15 [2020-10-15 16:28:53,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:53,915 INFO L225 Difference]: With dead ends: 854 [2020-10-15 16:28:53,915 INFO L226 Difference]: Without dead ends: 849 [2020-10-15 16:28:53,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-10-15 16:28:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-10-15 16:28:53,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 810. [2020-10-15 16:28:53,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2020-10-15 16:28:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 2109 transitions. [2020-10-15 16:28:53,933 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 2109 transitions. Word has length 15 [2020-10-15 16:28:53,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:53,933 INFO L481 AbstractCegarLoop]: Abstraction has 810 states and 2109 transitions. [2020-10-15 16:28:53,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 16:28:53,933 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 2109 transitions. [2020-10-15 16:28:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-15 16:28:53,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:53,935 INFO L422 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] [2020-10-15 16:28:53,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 16:28:53,935 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]=== [2020-10-15 16:28:53,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:53,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1510697184, now seen corresponding path program 1 times [2020-10-15 16:28:53,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:53,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013345913] [2020-10-15 16:28:53,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:53,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013345913] [2020-10-15 16:28:53,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:53,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:28:53,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509541286] [2020-10-15 16:28:53,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:28:53,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:53,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:28:53,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:53,972 INFO L87 Difference]: Start difference. First operand 810 states and 2109 transitions. Second operand 3 states. [2020-10-15 16:28:54,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:54,015 INFO L93 Difference]: Finished difference Result 373 states and 802 transitions. [2020-10-15 16:28:54,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:28:54,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-10-15 16:28:54,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:54,019 INFO L225 Difference]: With dead ends: 373 [2020-10-15 16:28:54,019 INFO L226 Difference]: Without dead ends: 367 [2020-10-15 16:28:54,019 INFO L677 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 [2020-10-15 16:28:54,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2020-10-15 16:28:54,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 301. [2020-10-15 16:28:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-15 16:28:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 653 transitions. [2020-10-15 16:28:54,026 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 653 transitions. Word has length 35 [2020-10-15 16:28:54,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:54,026 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 653 transitions. [2020-10-15 16:28:54,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:28:54,026 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 653 transitions. [2020-10-15 16:28:54,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-15 16:28:54,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:54,028 INFO L422 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] [2020-10-15 16:28:54,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 16:28:54,028 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]=== [2020-10-15 16:28:54,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:54,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1665489794, now seen corresponding path program 1 times [2020-10-15 16:28:54,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:54,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460901477] [2020-10-15 16:28:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:54,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460901477] [2020-10-15 16:28:54,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:54,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 16:28:54,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662194776] [2020-10-15 16:28:54,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 16:28:54,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:54,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 16:28:54,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-15 16:28:54,437 INFO L87 Difference]: Start difference. First operand 301 states and 653 transitions. Second operand 13 states. [2020-10-15 16:28:55,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:55,232 INFO L93 Difference]: Finished difference Result 347 states and 748 transitions. [2020-10-15 16:28:55,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 16:28:55,233 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2020-10-15 16:28:55,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:55,235 INFO L225 Difference]: With dead ends: 347 [2020-10-15 16:28:55,235 INFO L226 Difference]: Without dead ends: 347 [2020-10-15 16:28:55,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-10-15 16:28:55,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-10-15 16:28:55,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 341. [2020-10-15 16:28:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2020-10-15 16:28:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 736 transitions. [2020-10-15 16:28:55,243 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 736 transitions. Word has length 36 [2020-10-15 16:28:55,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:55,243 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 736 transitions. [2020-10-15 16:28:55,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 16:28:55,244 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 736 transitions. [2020-10-15 16:28:55,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-15 16:28:55,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:55,245 INFO L422 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] [2020-10-15 16:28:55,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 16:28:55,245 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]=== [2020-10-15 16:28:55,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:55,246 INFO L82 PathProgramCache]: Analyzing trace with hash 761278187, now seen corresponding path program 1 times [2020-10-15 16:28:55,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:55,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449930165] [2020-10-15 16:28:55,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:56,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449930165] [2020-10-15 16:28:56,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:56,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 16:28:56,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458682909] [2020-10-15 16:28:56,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 16:28:56,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:56,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 16:28:56,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2020-10-15 16:28:56,239 INFO L87 Difference]: Start difference. First operand 341 states and 736 transitions. Second operand 17 states. [2020-10-15 16:28:57,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:57,890 INFO L93 Difference]: Finished difference Result 558 states and 1209 transitions. [2020-10-15 16:28:57,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 16:28:57,891 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 37 [2020-10-15 16:28:57,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:57,894 INFO L225 Difference]: With dead ends: 558 [2020-10-15 16:28:57,894 INFO L226 Difference]: Without dead ends: 549 [2020-10-15 16:28:57,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2020-10-15 16:28:57,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-10-15 16:28:57,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 510. [2020-10-15 16:28:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-10-15 16:28:57,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1109 transitions. [2020-10-15 16:28:57,905 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1109 transitions. Word has length 37 [2020-10-15 16:28:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:57,906 INFO L481 AbstractCegarLoop]: Abstraction has 510 states and 1109 transitions. [2020-10-15 16:28:57,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 16:28:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1109 transitions. [2020-10-15 16:28:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-15 16:28:57,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:57,908 INFO L422 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] [2020-10-15 16:28:57,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 16:28:57,908 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]=== [2020-10-15 16:28:57,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:57,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1936513671, now seen corresponding path program 2 times [2020-10-15 16:28:57,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:57,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059813994] [2020-10-15 16:28:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:58,260 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2020-10-15 16:28:58,409 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2020-10-15 16:28:58,559 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2020-10-15 16:28:58,697 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2020-10-15 16:28:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:59,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059813994] [2020-10-15 16:28:59,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:59,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-15 16:28:59,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686441175] [2020-10-15 16:28:59,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 16:28:59,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:59,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 16:28:59,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-10-15 16:28:59,153 INFO L87 Difference]: Start difference. First operand 510 states and 1109 transitions. Second operand 17 states. [2020-10-15 16:29:00,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:00,306 INFO L93 Difference]: Finished difference Result 685 states and 1485 transitions. [2020-10-15 16:29:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 16:29:00,306 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 37 [2020-10-15 16:29:00,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:00,310 INFO L225 Difference]: With dead ends: 685 [2020-10-15 16:29:00,310 INFO L226 Difference]: Without dead ends: 676 [2020-10-15 16:29:00,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-15 16:29:00,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-10-15 16:29:00,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 455. [2020-10-15 16:29:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-10-15 16:29:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 991 transitions. [2020-10-15 16:29:00,322 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 991 transitions. Word has length 37 [2020-10-15 16:29:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:00,322 INFO L481 AbstractCegarLoop]: Abstraction has 455 states and 991 transitions. [2020-10-15 16:29:00,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 16:29:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 991 transitions. [2020-10-15 16:29:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:00,323 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:00,323 INFO L422 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] [2020-10-15 16:29:00,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 16:29:00,324 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]=== [2020-10-15 16:29:00,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:00,324 INFO L82 PathProgramCache]: Analyzing trace with hash 2126544081, now seen corresponding path program 1 times [2020-10-15 16:29:00,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:00,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002299165] [2020-10-15 16:29:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:00,820 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-10-15 16:29:01,024 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2020-10-15 16:29:01,214 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2020-10-15 16:29:01,402 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-10-15 16:29:01,653 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-10-15 16:29:01,904 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-15 16:29:02,169 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 16:29:02,395 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-10-15 16:29:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:03,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002299165] [2020-10-15 16:29:03,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:03,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 16:29:03,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477124890] [2020-10-15 16:29:03,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 16:29:03,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:03,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 16:29:03,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-15 16:29:03,116 INFO L87 Difference]: Start difference. First operand 455 states and 991 transitions. Second operand 20 states. [2020-10-15 16:29:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:05,961 INFO L93 Difference]: Finished difference Result 647 states and 1384 transitions. [2020-10-15 16:29:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 16:29:05,962 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-15 16:29:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:05,965 INFO L225 Difference]: With dead ends: 647 [2020-10-15 16:29:05,965 INFO L226 Difference]: Without dead ends: 607 [2020-10-15 16:29:05,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 16:29:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-10-15 16:29:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 538. [2020-10-15 16:29:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-10-15 16:29:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1149 transitions. [2020-10-15 16:29:05,976 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1149 transitions. Word has length 38 [2020-10-15 16:29:05,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:05,976 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 1149 transitions. [2020-10-15 16:29:05,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 16:29:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1149 transitions. [2020-10-15 16:29:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:05,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:05,978 INFO L422 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] [2020-10-15 16:29:05,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 16:29:05,978 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]=== [2020-10-15 16:29:05,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:05,978 INFO L82 PathProgramCache]: Analyzing trace with hash 584043011, now seen corresponding path program 2 times [2020-10-15 16:29:05,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:05,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647123194] [2020-10-15 16:29:05,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:06,473 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-10-15 16:29:06,605 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2020-10-15 16:29:06,785 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2020-10-15 16:29:07,368 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-15 16:29:07,639 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 16:29:07,876 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-10-15 16:29:08,084 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-10-15 16:29:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:08,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647123194] [2020-10-15 16:29:08,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:08,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 16:29:08,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508301082] [2020-10-15 16:29:08,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 16:29:08,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:08,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 16:29:08,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-15 16:29:08,583 INFO L87 Difference]: Start difference. First operand 538 states and 1149 transitions. Second operand 20 states. [2020-10-15 16:29:11,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:11,651 INFO L93 Difference]: Finished difference Result 780 states and 1656 transitions. [2020-10-15 16:29:11,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 16:29:11,652 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-15 16:29:11,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:11,656 INFO L225 Difference]: With dead ends: 780 [2020-10-15 16:29:11,656 INFO L226 Difference]: Without dead ends: 740 [2020-10-15 16:29:11,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2020-10-15 16:29:11,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2020-10-15 16:29:11,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 541. [2020-10-15 16:29:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-15 16:29:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 1156 transitions. [2020-10-15 16:29:11,666 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 1156 transitions. Word has length 38 [2020-10-15 16:29:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:11,667 INFO L481 AbstractCegarLoop]: Abstraction has 541 states and 1156 transitions. [2020-10-15 16:29:11,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 16:29:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1156 transitions. [2020-10-15 16:29:11,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:11,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:11,668 INFO L422 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] [2020-10-15 16:29:11,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 16:29:11,669 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]=== [2020-10-15 16:29:11,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:11,669 INFO L82 PathProgramCache]: Analyzing trace with hash -672100925, now seen corresponding path program 3 times [2020-10-15 16:29:11,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:11,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206417731] [2020-10-15 16:29:11,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:12,291 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-10-15 16:29:12,511 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2020-10-15 16:29:12,758 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2020-10-15 16:29:12,919 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-10-15 16:29:13,091 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-10-15 16:29:13,267 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-10-15 16:29:13,411 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2020-10-15 16:29:13,574 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-15 16:29:13,830 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 16:29:14,067 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-10-15 16:29:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:14,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206417731] [2020-10-15 16:29:14,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:14,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 16:29:14,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174987303] [2020-10-15 16:29:14,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 16:29:14,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:14,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 16:29:14,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-15 16:29:14,732 INFO L87 Difference]: Start difference. First operand 541 states and 1156 transitions. Second operand 20 states. [2020-10-15 16:29:16,353 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-15 16:29:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:17,969 INFO L93 Difference]: Finished difference Result 765 states and 1628 transitions. [2020-10-15 16:29:17,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 16:29:17,971 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-15 16:29:17,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:17,975 INFO L225 Difference]: With dead ends: 765 [2020-10-15 16:29:17,975 INFO L226 Difference]: Without dead ends: 725 [2020-10-15 16:29:17,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 16:29:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2020-10-15 16:29:17,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 550. [2020-10-15 16:29:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-10-15 16:29:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1177 transitions. [2020-10-15 16:29:17,985 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1177 transitions. Word has length 38 [2020-10-15 16:29:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:17,985 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 1177 transitions. [2020-10-15 16:29:17,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 16:29:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1177 transitions. [2020-10-15 16:29:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:17,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:17,986 INFO L422 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] [2020-10-15 16:29:17,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 16:29:17,987 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]=== [2020-10-15 16:29:17,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:17,987 INFO L82 PathProgramCache]: Analyzing trace with hash -588198373, now seen corresponding path program 4 times [2020-10-15 16:29:17,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:17,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393371563] [2020-10-15 16:29:17,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:18,535 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 37 [2020-10-15 16:29:18,745 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2020-10-15 16:29:18,988 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2020-10-15 16:29:19,255 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-10-15 16:29:19,526 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-15 16:29:19,768 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-10-15 16:29:19,955 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2020-10-15 16:29:20,184 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 41 [2020-10-15 16:29:20,430 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2020-10-15 16:29:20,580 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 32 [2020-10-15 16:29:20,785 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2020-10-15 16:29:20,994 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2020-10-15 16:29:21,232 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 38 [2020-10-15 16:29:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:21,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393371563] [2020-10-15 16:29:21,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:21,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-15 16:29:21,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24562931] [2020-10-15 16:29:21,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 16:29:21,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:21,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 16:29:21,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2020-10-15 16:29:21,384 INFO L87 Difference]: Start difference. First operand 550 states and 1177 transitions. Second operand 21 states. [2020-10-15 16:29:22,459 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2020-10-15 16:29:22,782 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-10-15 16:29:23,222 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2020-10-15 16:29:23,460 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 60 [2020-10-15 16:29:23,935 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2020-10-15 16:29:24,188 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 62 [2020-10-15 16:29:24,560 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2020-10-15 16:29:24,965 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2020-10-15 16:29:25,382 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 49 [2020-10-15 16:29:25,787 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-15 16:29:26,363 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-15 16:29:26,739 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-15 16:29:26,948 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-10-15 16:29:27,843 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-10-15 16:29:28,110 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-15 16:29:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:28,457 INFO L93 Difference]: Finished difference Result 956 states and 2045 transitions. [2020-10-15 16:29:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-15 16:29:28,459 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-15 16:29:28,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:28,464 INFO L225 Difference]: With dead ends: 956 [2020-10-15 16:29:28,465 INFO L226 Difference]: Without dead ends: 916 [2020-10-15 16:29:28,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=205, Invalid=1435, Unknown=0, NotChecked=0, Total=1640 [2020-10-15 16:29:28,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2020-10-15 16:29:28,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 589. [2020-10-15 16:29:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-15 16:29:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 1271 transitions. [2020-10-15 16:29:28,479 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 1271 transitions. Word has length 38 [2020-10-15 16:29:28,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:28,480 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 1271 transitions. [2020-10-15 16:29:28,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 16:29:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1271 transitions. [2020-10-15 16:29:28,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:28,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:28,481 INFO L422 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] [2020-10-15 16:29:28,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 16:29:28,482 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]=== [2020-10-15 16:29:28,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:28,482 INFO L82 PathProgramCache]: Analyzing trace with hash 297208907, now seen corresponding path program 5 times [2020-10-15 16:29:28,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:28,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929254706] [2020-10-15 16:29:28,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:28,961 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-10-15 16:29:29,108 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2020-10-15 16:29:29,276 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 30 [2020-10-15 16:29:29,440 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-10-15 16:29:29,947 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-15 16:29:30,187 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 16:29:30,425 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-10-15 16:29:30,656 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-10-15 16:29:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:31,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929254706] [2020-10-15 16:29:31,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:31,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 16:29:31,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488412196] [2020-10-15 16:29:31,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 16:29:31,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:31,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 16:29:31,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-15 16:29:31,160 INFO L87 Difference]: Start difference. First operand 589 states and 1271 transitions. Second operand 20 states. [2020-10-15 16:29:32,845 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-15 16:29:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:34,561 INFO L93 Difference]: Finished difference Result 771 states and 1649 transitions. [2020-10-15 16:29:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 16:29:34,562 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-15 16:29:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:34,567 INFO L225 Difference]: With dead ends: 771 [2020-10-15 16:29:34,567 INFO L226 Difference]: Without dead ends: 731 [2020-10-15 16:29:34,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 16:29:34,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-10-15 16:29:34,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 589. [2020-10-15 16:29:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-15 16:29:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 1271 transitions. [2020-10-15 16:29:34,581 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 1271 transitions. Word has length 38 [2020-10-15 16:29:34,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:34,581 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 1271 transitions. [2020-10-15 16:29:34,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 16:29:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1271 transitions. [2020-10-15 16:29:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:34,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:34,583 INFO L422 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] [2020-10-15 16:29:34,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 16:29:34,583 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]=== [2020-10-15 16:29:34,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:34,584 INFO L82 PathProgramCache]: Analyzing trace with hash 2038336537, now seen corresponding path program 6 times [2020-10-15 16:29:34,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:34,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897016538] [2020-10-15 16:29:34,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:35,107 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 33 [2020-10-15 16:29:35,330 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2020-10-15 16:29:35,511 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2020-10-15 16:29:35,710 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-10-15 16:29:35,963 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-10-15 16:29:36,228 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-15 16:29:36,471 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 16:29:36,716 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-10-15 16:29:36,921 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-10-15 16:29:37,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:37,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897016538] [2020-10-15 16:29:37,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:37,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 16:29:37,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580846286] [2020-10-15 16:29:37,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 16:29:37,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:37,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 16:29:37,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-15 16:29:37,415 INFO L87 Difference]: Start difference. First operand 589 states and 1271 transitions. Second operand 20 states. [2020-10-15 16:29:38,996 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-15 16:29:40,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:40,599 INFO L93 Difference]: Finished difference Result 781 states and 1664 transitions. [2020-10-15 16:29:40,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 16:29:40,600 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-15 16:29:40,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:40,606 INFO L225 Difference]: With dead ends: 781 [2020-10-15 16:29:40,606 INFO L226 Difference]: Without dead ends: 741 [2020-10-15 16:29:40,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=158, Invalid=1032, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 16:29:40,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-10-15 16:29:40,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 591. [2020-10-15 16:29:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-15 16:29:40,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1274 transitions. [2020-10-15 16:29:40,619 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1274 transitions. Word has length 38 [2020-10-15 16:29:40,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:40,619 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 1274 transitions. [2020-10-15 16:29:40,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 16:29:40,619 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1274 transitions. [2020-10-15 16:29:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:40,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:40,621 INFO L422 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] [2020-10-15 16:29:40,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 16:29:40,621 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]=== [2020-10-15 16:29:40,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:40,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1334893073, now seen corresponding path program 7 times [2020-10-15 16:29:40,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:40,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488084203] [2020-10-15 16:29:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:41,182 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 35 [2020-10-15 16:29:41,356 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 28 [2020-10-15 16:29:41,555 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-10-15 16:29:41,810 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2020-10-15 16:29:41,946 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2020-10-15 16:29:42,094 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-15 16:29:42,336 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2020-10-15 16:29:42,579 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 32 [2020-10-15 16:29:42,777 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2020-10-15 16:29:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:43,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488084203] [2020-10-15 16:29:43,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:43,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-15 16:29:43,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621531556] [2020-10-15 16:29:43,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 16:29:43,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:43,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 16:29:43,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2020-10-15 16:29:43,260 INFO L87 Difference]: Start difference. First operand 591 states and 1274 transitions. Second operand 20 states. [2020-10-15 16:29:44,982 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-10-15 16:29:46,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:46,720 INFO L93 Difference]: Finished difference Result 785 states and 1670 transitions. [2020-10-15 16:29:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 16:29:46,721 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-15 16:29:46,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:46,725 INFO L225 Difference]: With dead ends: 785 [2020-10-15 16:29:46,725 INFO L226 Difference]: Without dead ends: 745 [2020-10-15 16:29:46,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=162, Invalid=1028, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 16:29:46,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-10-15 16:29:46,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 593. [2020-10-15 16:29:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-15 16:29:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1277 transitions. [2020-10-15 16:29:46,735 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1277 transitions. Word has length 38 [2020-10-15 16:29:46,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:46,736 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 1277 transitions. [2020-10-15 16:29:46,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 16:29:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1277 transitions. [2020-10-15 16:29:46,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:46,737 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:46,738 INFO L422 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] [2020-10-15 16:29:46,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 16:29:46,738 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]=== [2020-10-15 16:29:46,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:46,738 INFO L82 PathProgramCache]: Analyzing trace with hash -95861579, now seen corresponding path program 8 times [2020-10-15 16:29:46,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:46,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115354057] [2020-10-15 16:29:46,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:47,459 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 38 [2020-10-15 16:29:47,794 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 30 [2020-10-15 16:29:48,081 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2020-10-15 16:29:48,255 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-10-15 16:29:48,429 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-10-15 16:29:48,595 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-10-15 16:29:48,780 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-10-15 16:29:49,207 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2020-10-15 16:29:49,426 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 28 [2020-10-15 16:29:49,952 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 29 [2020-10-15 16:29:50,111 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-10-15 16:29:50,348 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2020-10-15 16:29:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:50,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115354057] [2020-10-15 16:29:50,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:29:50,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-15 16:29:50,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965022612] [2020-10-15 16:29:50,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 16:29:50,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:50,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 16:29:50,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2020-10-15 16:29:50,453 INFO L87 Difference]: Start difference. First operand 593 states and 1277 transitions. Second operand 21 states. [2020-10-15 16:29:50,932 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2020-10-15 16:29:52,294 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-10-15 16:29:52,866 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-10-15 16:29:53,836 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2020-10-15 16:29:54,129 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 47 [2020-10-15 16:29:54,862 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2020-10-15 16:29:55,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:55,216 INFO L93 Difference]: Finished difference Result 1099 states and 2372 transitions. [2020-10-15 16:29:55,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-15 16:29:55,217 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-15 16:29:55,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:55,220 INFO L225 Difference]: With dead ends: 1099 [2020-10-15 16:29:55,221 INFO L226 Difference]: Without dead ends: 1059 [2020-10-15 16:29:55,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 0 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 460 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=260, Invalid=1720, Unknown=0, NotChecked=0, Total=1980 [2020-10-15 16:29:55,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-15 16:29:55,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 602. [2020-10-15 16:29:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2020-10-15 16:29:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 1300 transitions. [2020-10-15 16:29:55,233 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 1300 transitions. Word has length 38 [2020-10-15 16:29:55,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:55,234 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 1300 transitions. [2020-10-15 16:29:55,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 16:29:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1300 transitions. [2020-10-15 16:29:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-15 16:29:55,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:55,235 INFO L422 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] [2020-10-15 16:29:55,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 16:29:55,236 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]=== [2020-10-15 16:29:55,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:55,236 INFO L82 PathProgramCache]: Analyzing trace with hash -930265675, now seen corresponding path program 9 times [2020-10-15 16:29:55,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:55,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852231705] [2020-10-15 16:29:55,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-15 16:41:13,506 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,511 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,512 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,513 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,515 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,516 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,517 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,518 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,519 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,519 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,520 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,521 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,521 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,522 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-15 16:41:13,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 16:41:13,524 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 16:41:13,528 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 16:41:13,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:41:13 BasicIcfg [2020-10-15 16:41:13,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 16:41:13,533 INFO L168 Benchmark]: Toolchain (without parser) took 794100.73 ms. Allocated memory was 251.1 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 203.6 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 6.9 GB. Max. memory is 14.2 GB. [2020-10-15 16:41:13,534 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 16:41:13,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 949.61 ms. Allocated memory was 251.1 MB in the beginning and 316.1 MB in the end (delta: 65.0 MB). Free memory was 203.6 MB in the beginning and 242.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:13,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.77 ms. Allocated memory is still 316.1 MB. Free memory was 239.7 MB in the beginning and 237.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:13,535 INFO L168 Benchmark]: Boogie Preprocessor took 61.88 ms. Allocated memory is still 316.1 MB. Free memory was 237.2 MB in the beginning and 234.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:13,535 INFO L168 Benchmark]: RCFGBuilder took 1098.18 ms. Allocated memory is still 316.1 MB. Free memory was 234.6 MB in the beginning and 187.2 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:41:13,536 INFO L168 Benchmark]: TraceAbstraction took 791899.57 ms. Allocated memory was 316.1 MB in the beginning and 6.9 GB in the end (delta: 6.6 GB). Free memory was 187.2 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. [2020-10-15 16:41:13,538 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 251.1 MB. Free memory is still 225.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 949.61 ms. Allocated memory was 251.1 MB in the beginning and 316.1 MB in the end (delta: 65.0 MB). Free memory was 203.6 MB in the beginning and 242.2 MB in the end (delta: -38.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 82.77 ms. Allocated memory is still 316.1 MB. Free memory was 239.7 MB in the beginning and 237.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 61.88 ms. Allocated memory is still 316.1 MB. Free memory was 237.2 MB in the beginning and 234.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 1098.18 ms. Allocated memory is still 316.1 MB. Free memory was 234.6 MB in the beginning and 187.2 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 791899.57 ms. Allocated memory was 316.1 MB in the beginning and 6.9 GB in the end (delta: 6.6 GB). Free memory was 187.2 MB in the beginning and 4.2 GB in the end (delta: -4.0 GB). Peak memory consumption was 6.8 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10047 VarBasedMoverChecksPositive, 218 VarBasedMoverChecksNegative, 37 SemBasedMoverChecksPositive, 181 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 725 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.4s, 234 PlacesBefore, 66 PlacesAfterwards, 244 TransitionsBefore, 72 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 9 FixpointIterations, 63 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 24 ConcurrentYvCompositions, 4 ChoiceCompositions, 207 TotalNumberOfCompositions, 39936 MoverChecksTotal - TimeoutResultAtElement [Line: 1040]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1040). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1013]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1013). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - TimeoutResultAtElement [Line: 1024]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1024). Cancelled while BasicCegarLoop was analyzing trace of length 39 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while NestedInterpolantsBuilder was constructing predicates for 37 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 791.6s, OverallIterations: 25, TraceHistogramMax: 1, AutomataDifference: 61.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.5s, HoareTripleCheckerStatistics: 1434 SDtfs, 2329 SDslu, 6169 SDs, 0 SdLazy, 15712 SolverSat, 544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 512 GetRequests, 31 SyntacticMatches, 40 SemanticMatches, 441 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2517 ImplicationChecksByTransitivity, 56.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1165occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 24 MinimizatonAttempts, 2409 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 38.6s InterpolantComputationTime, 604 NumberOfCodeBlocks, 604 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 580 ConstructedInterpolants, 0 QuantifiedInterpolants, 698313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 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