/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_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 12:59:02,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 12:59:02,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 12:59:02,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 12:59:02,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 12:59:02,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 12:59:02,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 12:59:02,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 12:59:02,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 12:59:02,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 12:59:02,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 12:59:02,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 12:59:02,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 12:59:02,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 12:59:02,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 12:59:02,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 12:59:02,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 12:59:02,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 12:59:02,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 12:59:02,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 12:59:02,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 12:59:02,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 12:59:02,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 12:59:02,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 12:59:02,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 12:59:02,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 12:59:02,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 12:59:02,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 12:59:02,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 12:59:02,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 12:59:02,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 12:59:02,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 12:59:02,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 12:59:02,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 12:59:02,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 12:59:02,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 12:59:02,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 12:59:02,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 12:59:02,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 12:59:02,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 12:59:02,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 12:59:02,317 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 [2020-10-11 12:59:02,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 12:59:02,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 12:59:02,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 12:59:02,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 12:59:02,361 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 12:59:02,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 12:59:02,362 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 12:59:02,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 12:59:02,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 12:59:02,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 12:59:02,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 12:59:02,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 12:59:02,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 12:59:02,365 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 12:59:02,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 12:59:02,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 12:59:02,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 12:59:02,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 12:59:02,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 12:59:02,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 12:59:02,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 12:59:02,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 12:59:02,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 12:59:02,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 12:59:02,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 12:59:02,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 12:59:02,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 12:59:02,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-11 12:59:02,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-11 12:59:02,368 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 12:59:02,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 12:59:02,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 12:59:02,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 12:59:02,675 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 12:59:02,676 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 12:59:02,676 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2020-10-11 12:59:02,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11203ae3/cf95689d802b4cffb84aebb10ee1fc40/FLAGb622b845e [2020-10-11 12:59:03,322 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 12:59:03,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longest.i [2020-10-11 12:59:03,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11203ae3/cf95689d802b4cffb84aebb10ee1fc40/FLAGb622b845e [2020-10-11 12:59:03,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11203ae3/cf95689d802b4cffb84aebb10ee1fc40 [2020-10-11 12:59:03,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 12:59:03,592 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 12:59:03,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 12:59:03,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 12:59:03,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 12:59:03,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:59:03" (1/1) ... [2020-10-11 12:59:03,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d8808d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:03, skipping insertion in model container [2020-10-11 12:59:03,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:59:03" (1/1) ... [2020-10-11 12:59:03,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 12:59:03,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 12:59:04,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 12:59:04,289 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 12:59:04,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 12:59:04,498 INFO L208 MainTranslator]: Completed translation [2020-10-11 12:59:04,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04 WrapperNode [2020-10-11 12:59:04,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 12:59:04,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 12:59:04,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 12:59:04,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 12:59:04,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,570 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 12:59:04,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 12:59:04,571 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 12:59:04,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 12:59:04,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (1/1) ... [2020-10-11 12:59:04,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 12:59:04,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 12:59:04,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 12:59:04,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 12:59:04,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (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 [2020-10-11 12:59:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-11 12:59:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-11 12:59:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-11 12:59:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-11 12:59:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 12:59:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 12:59:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 12:59:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 12:59:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-11 12:59:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-11 12:59:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 12:59:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 12:59:04,701 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 12:59:05,367 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 12:59:05,368 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-11 12:59:05,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:59:05 BoogieIcfgContainer [2020-10-11 12:59:05,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 12:59:05,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 12:59:05,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 12:59:05,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 12:59:05,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:59:03" (1/3) ... [2020-10-11 12:59:05,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff42238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:59:05, skipping insertion in model container [2020-10-11 12:59:05,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:59:04" (2/3) ... [2020-10-11 12:59:05,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff42238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:59:05, skipping insertion in model container [2020-10-11 12:59:05,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:59:05" (3/3) ... [2020-10-11 12:59:05,381 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2020-10-11 12:59:05,393 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-11 12:59:05,393 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 12:59:05,401 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-11 12:59:05,401 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 12:59:05,444 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,445 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,445 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,445 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,446 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,446 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,446 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,447 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,448 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,448 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,448 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,448 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,448 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,449 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,449 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,449 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,449 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,450 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,450 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,451 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,451 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,451 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,452 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,452 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,452 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,452 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,453 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,453 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,454 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,454 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,454 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,454 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,454 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,456 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,456 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,456 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,457 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,457 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,458 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,463 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,465 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,466 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,467 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,472 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,473 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,473 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,474 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,474 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,475 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,475 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,476 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,476 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,477 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,477 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,478 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,478 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,478 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,479 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,479 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,480 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,480 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,481 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,481 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,482 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,482 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,482 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,483 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,483 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,483 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,484 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,484 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,485 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,486 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,486 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,487 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,487 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,488 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,488 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,489 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,489 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,490 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,490 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,490 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,492 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,492 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,492 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,493 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,493 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,493 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,493 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,511 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,512 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,512 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,513 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,513 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,514 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,514 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,514 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,515 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,515 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,516 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,516 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,517 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,517 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,518 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,518 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,518 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,519 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,519 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,519 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,520 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,520 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,520 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,521 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,521 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,521 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,521 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,522 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,522 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,522 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,522 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,522 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,522 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,523 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,524 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,524 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,524 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,524 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,524 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,525 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,525 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,525 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,525 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,525 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,526 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,526 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,526 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,526 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,526 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,526 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,530 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,531 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,531 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,532 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,532 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,532 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,532 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,533 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,533 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,534 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,535 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,535 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,536 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,537 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,537 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,546 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,547 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,547 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,547 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,548 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,548 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,548 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,548 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,548 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,549 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,549 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,550 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,550 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 12:59:05,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-11 12:59:05,603 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 12:59:05,603 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-11 12:59:05,603 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 12:59:05,604 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 12:59:05,604 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 12:59:05,604 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 12:59:05,604 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 12:59:05,606 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 12:59:05,628 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-11 12:59:05,631 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-11 12:59:05,633 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 234 places, 244 transitions, 510 flow [2020-10-11 12:59:05,634 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-10-11 12:59:05,747 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-10-11 12:59:05,747 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-11 12:59:05,762 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. [2020-10-11 12:59:05,776 INFO L117 LiptonReduction]: Number of co-enabled transitions 14896 [2020-10-11 12:59:09,342 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-10-11 12:59:11,126 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2020-10-11 12:59:11,370 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-11 12:59:12,188 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-10-11 12:59:13,120 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-11 12:59:13,143 INFO L132 LiptonReduction]: Checked pairs total: 35617 [2020-10-11 12:59:13,143 INFO L134 LiptonReduction]: Total number of compositions: 210 [2020-10-11 12:59:13,150 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 71 transitions, 164 flow [2020-10-11 12:59:13,217 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1201 states. [2020-10-11 12:59:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states. [2020-10-11 12:59:13,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-11 12:59:13,226 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:13,226 INFO L421 BasicCegarLoop]: trace histogram [1] [2020-10-11 12:59:13,227 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]=== [2020-10-11 12:59:13,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:13,233 INFO L82 PathProgramCache]: Analyzing trace with hash 964, now seen corresponding path program 1 times [2020-10-11 12:59:13,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:13,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634265327] [2020-10-11 12:59:13,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:13,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634265327] [2020-10-11 12:59:13,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:13,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-11 12:59:13,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453033135] [2020-10-11 12:59:13,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-11 12:59:13,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:13,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-11 12:59:13,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 12:59:13,391 INFO L87 Difference]: Start difference. First operand 1201 states. Second operand 2 states. [2020-10-11 12:59:13,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:13,451 INFO L93 Difference]: Finished difference Result 1200 states and 3170 transitions. [2020-10-11 12:59:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-11 12:59:13,453 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-11 12:59:13,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:13,485 INFO L225 Difference]: With dead ends: 1200 [2020-10-11 12:59:13,485 INFO L226 Difference]: Without dead ends: 1109 [2020-10-11 12:59:13,487 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-11 12:59:13,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-11 12:59:13,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-10-11 12:59:13,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-10-11 12:59:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2958 transitions. [2020-10-11 12:59:13,623 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2958 transitions. Word has length 1 [2020-10-11 12:59:13,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:13,624 INFO L481 AbstractCegarLoop]: Abstraction has 1109 states and 2958 transitions. [2020-10-11 12:59:13,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-11 12:59:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2958 transitions. [2020-10-11 12:59:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-11 12:59:13,625 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:13,626 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:13,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 12:59:13,626 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]=== [2020-10-11 12:59:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:13,626 INFO L82 PathProgramCache]: Analyzing trace with hash -484874631, now seen corresponding path program 1 times [2020-10-11 12:59:13,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:13,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331816135] [2020-10-11 12:59:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:13,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331816135] [2020-10-11 12:59:13,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:13,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 12:59:13,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041852979] [2020-10-11 12:59:13,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 12:59:13,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:13,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 12:59:13,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:13,786 INFO L87 Difference]: Start difference. First operand 1109 states and 2958 transitions. Second operand 3 states. [2020-10-11 12:59:13,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:13,810 INFO L93 Difference]: Finished difference Result 1109 states and 2921 transitions. [2020-10-11 12:59:13,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 12:59:13,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-11 12:59:13,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:13,819 INFO L225 Difference]: With dead ends: 1109 [2020-10-11 12:59:13,819 INFO L226 Difference]: Without dead ends: 1109 [2020-10-11 12:59:13,820 INFO L673 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 [2020-10-11 12:59:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-10-11 12:59:13,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-10-11 12:59:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-10-11 12:59:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2921 transitions. [2020-10-11 12:59:13,856 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2921 transitions. Word has length 11 [2020-10-11 12:59:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:13,856 INFO L481 AbstractCegarLoop]: Abstraction has 1109 states and 2921 transitions. [2020-10-11 12:59:13,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 12:59:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2921 transitions. [2020-10-11 12:59:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 12:59:13,859 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:13,859 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:13,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 12:59:13,860 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]=== [2020-10-11 12:59:13,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:13,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2105337476, now seen corresponding path program 1 times [2020-10-11 12:59:13,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:13,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277003832] [2020-10-11 12:59:13,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:14,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277003832] [2020-10-11 12:59:14,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:14,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 12:59:14,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077637106] [2020-10-11 12:59:14,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 12:59:14,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:14,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 12:59:14,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-11 12:59:14,281 INFO L87 Difference]: Start difference. First operand 1109 states and 2921 transitions. Second operand 5 states. [2020-10-11 12:59:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:14,674 INFO L93 Difference]: Finished difference Result 1108 states and 2918 transitions. [2020-10-11 12:59:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 12:59:14,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-11 12:59:14,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:14,682 INFO L225 Difference]: With dead ends: 1108 [2020-10-11 12:59:14,682 INFO L226 Difference]: Without dead ends: 1108 [2020-10-11 12:59:14,683 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-11 12:59:14,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-10-11 12:59:14,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2020-10-11 12:59:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2020-10-11 12:59:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2918 transitions. [2020-10-11 12:59:14,718 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2918 transitions. Word has length 13 [2020-10-11 12:59:14,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:14,719 INFO L481 AbstractCegarLoop]: Abstraction has 1108 states and 2918 transitions. [2020-10-11 12:59:14,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 12:59:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2918 transitions. [2020-10-11 12:59:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-11 12:59:14,726 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:14,726 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:14,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 12:59:14,727 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]=== [2020-10-11 12:59:14,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:14,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1475451711, now seen corresponding path program 1 times [2020-10-11 12:59:14,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:14,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270991251] [2020-10-11 12:59:14,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:14,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270991251] [2020-10-11 12:59:14,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:14,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-11 12:59:14,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899270242] [2020-10-11 12:59:14,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 12:59:14,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:14,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 12:59:14,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:14,789 INFO L87 Difference]: Start difference. First operand 1108 states and 2918 transitions. Second operand 3 states. [2020-10-11 12:59:14,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:14,809 INFO L93 Difference]: Finished difference Result 985 states and 2529 transitions. [2020-10-11 12:59:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 12:59:14,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-10-11 12:59:14,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:14,816 INFO L225 Difference]: With dead ends: 985 [2020-10-11 12:59:14,816 INFO L226 Difference]: Without dead ends: 953 [2020-10-11 12:59:14,817 INFO L673 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 [2020-10-11 12:59:14,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-10-11 12:59:14,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2020-10-11 12:59:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-10-11 12:59:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2454 transitions. [2020-10-11 12:59:14,848 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 2454 transitions. Word has length 13 [2020-10-11 12:59:14,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:14,849 INFO L481 AbstractCegarLoop]: Abstraction has 953 states and 2454 transitions. [2020-10-11 12:59:14,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 12:59:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2454 transitions. [2020-10-11 12:59:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:59:14,850 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:14,850 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:14,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 12:59:14,851 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]=== [2020-10-11 12:59:14,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:14,851 INFO L82 PathProgramCache]: Analyzing trace with hash -482065399, now seen corresponding path program 1 times [2020-10-11 12:59:14,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:14,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944515040] [2020-10-11 12:59:14,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:15,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:15,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944515040] [2020-10-11 12:59:15,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:15,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 12:59:15,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839544719] [2020-10-11 12:59:15,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 12:59:15,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:15,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 12:59:15,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-11 12:59:15,187 INFO L87 Difference]: Start difference. First operand 953 states and 2454 transitions. Second operand 9 states. [2020-10-11 12:59:15,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:15,822 INFO L93 Difference]: Finished difference Result 1079 states and 2770 transitions. [2020-10-11 12:59:15,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-11 12:59:15,822 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-11 12:59:15,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:15,829 INFO L225 Difference]: With dead ends: 1079 [2020-10-11 12:59:15,830 INFO L226 Difference]: Without dead ends: 1059 [2020-10-11 12:59:15,831 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-11 12:59:15,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-11 12:59:15,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 975. [2020-10-11 12:59:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-10-11 12:59:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 2504 transitions. [2020-10-11 12:59:15,866 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 2504 transitions. Word has length 14 [2020-10-11 12:59:15,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:15,866 INFO L481 AbstractCegarLoop]: Abstraction has 975 states and 2504 transitions. [2020-10-11 12:59:15,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 12:59:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 2504 transitions. [2020-10-11 12:59:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-11 12:59:15,867 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:15,868 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:15,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-11 12:59:15,868 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]=== [2020-10-11 12:59:15,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:15,868 INFO L82 PathProgramCache]: Analyzing trace with hash -313921473, now seen corresponding path program 1 times [2020-10-11 12:59:15,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:15,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604945427] [2020-10-11 12:59:15,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:16,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604945427] [2020-10-11 12:59:16,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:16,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-11 12:59:16,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507278131] [2020-10-11 12:59:16,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-11 12:59:16,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:16,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-11 12:59:16,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-11 12:59:16,253 INFO L87 Difference]: Start difference. First operand 975 states and 2504 transitions. Second operand 9 states. [2020-10-11 12:59:16,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:16,645 INFO L93 Difference]: Finished difference Result 973 states and 2500 transitions. [2020-10-11 12:59:16,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 12:59:16,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-10-11 12:59:16,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:16,652 INFO L225 Difference]: With dead ends: 973 [2020-10-11 12:59:16,652 INFO L226 Difference]: Without dead ends: 973 [2020-10-11 12:59:16,653 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-11 12:59:16,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-10-11 12:59:16,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 973. [2020-10-11 12:59:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-10-11 12:59:16,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 2500 transitions. [2020-10-11 12:59:16,678 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 2500 transitions. Word has length 14 [2020-10-11 12:59:16,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:16,679 INFO L481 AbstractCegarLoop]: Abstraction has 973 states and 2500 transitions. [2020-10-11 12:59:16,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-11 12:59:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 2500 transitions. [2020-10-11 12:59:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 12:59:16,680 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:16,680 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:16,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 12:59:16,680 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]=== [2020-10-11 12:59:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:16,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1532094638, now seen corresponding path program 1 times [2020-10-11 12:59:16,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:16,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904351175] [2020-10-11 12:59:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:17,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904351175] [2020-10-11 12:59:17,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:17,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 12:59:17,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000734192] [2020-10-11 12:59:17,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-11 12:59:17,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:17,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-11 12:59:17,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-11 12:59:17,052 INFO L87 Difference]: Start difference. First operand 973 states and 2500 transitions. Second operand 10 states. [2020-10-11 12:59:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:17,530 INFO L93 Difference]: Finished difference Result 1033 states and 2638 transitions. [2020-10-11 12:59:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 12:59:17,531 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-10-11 12:59:17,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:17,537 INFO L225 Difference]: With dead ends: 1033 [2020-10-11 12:59:17,537 INFO L226 Difference]: Without dead ends: 978 [2020-10-11 12:59:17,538 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-11 12:59:17,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2020-10-11 12:59:17,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 924. [2020-10-11 12:59:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-11 12:59:17,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 2381 transitions. [2020-10-11 12:59:17,564 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 2381 transitions. Word has length 15 [2020-10-11 12:59:17,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:17,565 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 2381 transitions. [2020-10-11 12:59:17,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-11 12:59:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2381 transitions. [2020-10-11 12:59:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 12:59:17,566 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:17,566 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:17,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-11 12:59:17,566 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]=== [2020-10-11 12:59:17,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:17,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1172406912, now seen corresponding path program 2 times [2020-10-11 12:59:17,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:17,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046708190] [2020-10-11 12:59:17,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:17,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046708190] [2020-10-11 12:59:17,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:17,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-11 12:59:17,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456619039] [2020-10-11 12:59:17,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-11 12:59:17,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:17,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-11 12:59:17,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-11 12:59:17,953 INFO L87 Difference]: Start difference. First operand 924 states and 2381 transitions. Second operand 10 states. [2020-10-11 12:59:18,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:18,386 INFO L93 Difference]: Finished difference Result 1036 states and 2664 transitions. [2020-10-11 12:59:18,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-11 12:59:18,387 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-10-11 12:59:18,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:18,394 INFO L225 Difference]: With dead ends: 1036 [2020-10-11 12:59:18,394 INFO L226 Difference]: Without dead ends: 1021 [2020-10-11 12:59:18,395 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-11 12:59:18,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-11 12:59:18,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 910. [2020-10-11 12:59:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-10-11 12:59:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2348 transitions. [2020-10-11 12:59:18,422 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2348 transitions. Word has length 15 [2020-10-11 12:59:18,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:18,423 INFO L481 AbstractCegarLoop]: Abstraction has 910 states and 2348 transitions. [2020-10-11 12:59:18,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-11 12:59:18,423 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2348 transitions. [2020-10-11 12:59:18,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-11 12:59:18,424 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:18,424 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 12:59:18,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-11 12:59:18,424 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]=== [2020-10-11 12:59:18,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:18,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1141702962, now seen corresponding path program 3 times [2020-10-11 12:59:18,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:18,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697589072] [2020-10-11 12:59:18,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:23,313 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-10-11 12:59:23,600 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 50 [2020-10-11 12:59:24,030 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2020-10-11 12:59:24,803 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-10-11 12:59:25,365 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2020-10-11 12:59:26,093 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-10-11 12:59:27,188 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-10-11 12:59:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:27,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697589072] [2020-10-11 12:59:27,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:27,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-11 12:59:27,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767482734] [2020-10-11 12:59:27,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-11 12:59:27,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:27,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-11 12:59:27,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-11 12:59:27,350 INFO L87 Difference]: Start difference. First operand 910 states and 2348 transitions. Second operand 11 states. [2020-10-11 12:59:27,801 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-10-11 12:59:29,719 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-10-11 12:59:34,121 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 128 [2020-10-11 12:59:39,342 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 139 [2020-10-11 12:59:50,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:50,387 INFO L93 Difference]: Finished difference Result 912 states and 2363 transitions. [2020-10-11 12:59:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-11 12:59:50,389 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-10-11 12:59:50,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:50,395 INFO L225 Difference]: With dead ends: 912 [2020-10-11 12:59:50,395 INFO L226 Difference]: Without dead ends: 902 [2020-10-11 12:59:50,396 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-10-11 12:59:50,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-10-11 12:59:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 854. [2020-10-11 12:59:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-10-11 12:59:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2221 transitions. [2020-10-11 12:59:50,417 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2221 transitions. Word has length 15 [2020-10-11 12:59:50,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:50,417 INFO L481 AbstractCegarLoop]: Abstraction has 854 states and 2221 transitions. [2020-10-11 12:59:50,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-11 12:59:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2221 transitions. [2020-10-11 12:59:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-11 12:59:50,419 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:50,419 INFO L421 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] [2020-10-11 12:59:50,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-11 12:59:50,420 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]=== [2020-10-11 12:59:50,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:50,420 INFO L82 PathProgramCache]: Analyzing trace with hash 32419424, now seen corresponding path program 1 times [2020-10-11 12:59:50,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:50,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727395957] [2020-10-11 12:59:50,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:50,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:50,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727395957] [2020-10-11 12:59:50,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:50,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-11 12:59:50,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077915667] [2020-10-11 12:59:50,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-11 12:59:50,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:50,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-11 12:59:50,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-11 12:59:50,472 INFO L87 Difference]: Start difference. First operand 854 states and 2221 transitions. Second operand 3 states. [2020-10-11 12:59:50,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:50,511 INFO L93 Difference]: Finished difference Result 385 states and 826 transitions. [2020-10-11 12:59:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-11 12:59:50,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-10-11 12:59:50,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:50,514 INFO L225 Difference]: With dead ends: 385 [2020-10-11 12:59:50,514 INFO L226 Difference]: Without dead ends: 379 [2020-10-11 12:59:50,515 INFO L673 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 [2020-10-11 12:59:50,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-10-11 12:59:50,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 307. [2020-10-11 12:59:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-10-11 12:59:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 665 transitions. [2020-10-11 12:59:50,523 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 665 transitions. Word has length 35 [2020-10-11 12:59:50,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:50,525 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 665 transitions. [2020-10-11 12:59:50,525 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-11 12:59:50,525 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 665 transitions. [2020-10-11 12:59:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-11 12:59:50,527 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:50,528 INFO L421 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] [2020-10-11 12:59:50,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-11 12:59:50,528 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]=== [2020-10-11 12:59:50,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:50,528 INFO L82 PathProgramCache]: Analyzing trace with hash -290676825, now seen corresponding path program 1 times [2020-10-11 12:59:50,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:50,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244366710] [2020-10-11 12:59:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:51,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:51,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244366710] [2020-10-11 12:59:51,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:51,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-11 12:59:51,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633640022] [2020-10-11 12:59:51,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 12:59:51,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:51,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 12:59:51,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-11 12:59:51,091 INFO L87 Difference]: Start difference. First operand 307 states and 665 transitions. Second operand 15 states. [2020-10-11 12:59:51,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:51,820 INFO L93 Difference]: Finished difference Result 364 states and 782 transitions. [2020-10-11 12:59:51,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-11 12:59:51,820 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2020-10-11 12:59:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:51,823 INFO L225 Difference]: With dead ends: 364 [2020-10-11 12:59:51,823 INFO L226 Difference]: Without dead ends: 364 [2020-10-11 12:59:51,824 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2020-10-11 12:59:51,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-11 12:59:51,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 347. [2020-10-11 12:59:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-11 12:59:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 748 transitions. [2020-10-11 12:59:51,831 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 748 transitions. Word has length 36 [2020-10-11 12:59:51,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:51,832 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 748 transitions. [2020-10-11 12:59:51,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 12:59:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 748 transitions. [2020-10-11 12:59:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-11 12:59:51,833 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:51,833 INFO L421 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] [2020-10-11 12:59:51,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-11 12:59:51,834 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]=== [2020-10-11 12:59:51,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:51,834 INFO L82 PathProgramCache]: Analyzing trace with hash -2094594107, now seen corresponding path program 2 times [2020-10-11 12:59:51,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:51,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464012475] [2020-10-11 12:59:51,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 12:59:52,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464012475] [2020-10-11 12:59:52,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 12:59:52,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-11 12:59:52,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833184732] [2020-10-11 12:59:52,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-11 12:59:52,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 12:59:52,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-11 12:59:52,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-10-11 12:59:52,323 INFO L87 Difference]: Start difference. First operand 347 states and 748 transitions. Second operand 15 states. [2020-10-11 12:59:53,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 12:59:53,030 INFO L93 Difference]: Finished difference Result 379 states and 812 transitions. [2020-10-11 12:59:53,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-11 12:59:53,031 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2020-10-11 12:59:53,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 12:59:53,034 INFO L225 Difference]: With dead ends: 379 [2020-10-11 12:59:53,034 INFO L226 Difference]: Without dead ends: 379 [2020-10-11 12:59:53,034 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2020-10-11 12:59:53,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-10-11 12:59:53,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 347. [2020-10-11 12:59:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-10-11 12:59:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 748 transitions. [2020-10-11 12:59:53,044 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 748 transitions. Word has length 36 [2020-10-11 12:59:53,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 12:59:53,044 INFO L481 AbstractCegarLoop]: Abstraction has 347 states and 748 transitions. [2020-10-11 12:59:53,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-11 12:59:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 748 transitions. [2020-10-11 12:59:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-11 12:59:53,046 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 12:59:53,046 INFO L421 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] [2020-10-11 12:59:53,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-11 12:59:53,046 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]=== [2020-10-11 12:59:53,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 12:59:53,047 INFO L82 PathProgramCache]: Analyzing trace with hash -23176832, now seen corresponding path program 1 times [2020-10-11 12:59:53,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 12:59:53,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15556709] [2020-10-11 12:59:53,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 12:59:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 12:59:54,414 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 31 [2020-10-11 12:59:55,279 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 55 [2020-10-11 12:59:56,046 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 56 [2020-10-11 12:59:57,168 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2020-10-11 12:59:57,598 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 23 [2020-10-11 12:59:58,909 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 63 [2020-10-11 12:59:59,569 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 18 [2020-10-11 12:59:59,851 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 23 [2020-10-11 12:59:59,996 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2020-10-11 13:00:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:00:00,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15556709] [2020-10-11 13:00:00,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:00,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:00,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101714178] [2020-10-11 13:00:00,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 13:00:00,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:00,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 13:00:00,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-11 13:00:00,822 INFO L87 Difference]: Start difference. First operand 347 states and 748 transitions. Second operand 20 states. [2020-10-11 13:00:01,338 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 43 [2020-10-11 13:00:02,304 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2020-10-11 13:00:04,524 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-10-11 13:00:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:07,786 INFO L93 Difference]: Finished difference Result 643 states and 1388 transitions. [2020-10-11 13:00:07,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-11 13:00:07,787 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 37 [2020-10-11 13:00:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:07,791 INFO L225 Difference]: With dead ends: 643 [2020-10-11 13:00:07,792 INFO L226 Difference]: Without dead ends: 634 [2020-10-11 13:00:07,792 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2020-10-11 13:00:07,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-10-11 13:00:07,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 550. [2020-10-11 13:00:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-10-11 13:00:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1190 transitions. [2020-10-11 13:00:07,806 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1190 transitions. Word has length 37 [2020-10-11 13:00:07,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:07,807 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 1190 transitions. [2020-10-11 13:00:07,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 13:00:07,807 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1190 transitions. [2020-10-11 13:00:07,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-11 13:00:07,809 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:07,809 INFO L421 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] [2020-10-11 13:00:07,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-11 13:00:07,810 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]=== [2020-10-11 13:00:07,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:07,810 INFO L82 PathProgramCache]: Analyzing trace with hash 279511572, now seen corresponding path program 2 times [2020-10-11 13:00:07,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:07,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081513393] [2020-10-11 13:00:07,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:08,101 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2020-10-11 13:00:08,253 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2020-10-11 13:00:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:00:09,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081513393] [2020-10-11 13:00:09,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:09,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-11 13:00:09,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135365043] [2020-10-11 13:00:09,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-11 13:00:09,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:09,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-11 13:00:09,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-11 13:00:09,033 INFO L87 Difference]: Start difference. First operand 550 states and 1190 transitions. Second operand 17 states. [2020-10-11 13:00:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:10,320 INFO L93 Difference]: Finished difference Result 716 states and 1547 transitions. [2020-10-11 13:00:10,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-11 13:00:10,320 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 37 [2020-10-11 13:00:10,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:10,325 INFO L225 Difference]: With dead ends: 716 [2020-10-11 13:00:10,325 INFO L226 Difference]: Without dead ends: 707 [2020-10-11 13:00:10,326 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2020-10-11 13:00:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-10-11 13:00:10,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 461. [2020-10-11 13:00:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-11 13:00:10,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 1003 transitions. [2020-10-11 13:00:10,340 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 1003 transitions. Word has length 37 [2020-10-11 13:00:10,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:10,340 INFO L481 AbstractCegarLoop]: Abstraction has 461 states and 1003 transitions. [2020-10-11 13:00:10,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-11 13:00:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1003 transitions. [2020-10-11 13:00:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:10,342 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:10,342 INFO L421 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] [2020-10-11 13:00:10,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-11 13:00:10,342 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]=== [2020-10-11 13:00:10,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:10,343 INFO L82 PathProgramCache]: Analyzing trace with hash -716643246, now seen corresponding path program 1 times [2020-10-11 13:00:10,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:10,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719027240] [2020-10-11 13:00:10,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:11,083 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 42 [2020-10-11 13:00:11,298 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2020-10-11 13:00:11,547 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 30 [2020-10-11 13:00:11,732 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 34 [2020-10-11 13:00:12,425 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 36 [2020-10-11 13:00:12,620 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-10-11 13:00:13,035 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 23 [2020-10-11 13:00:13,267 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 37 [2020-10-11 13:00:13,471 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 35 [2020-10-11 13:00:13,692 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2020-10-11 13:00:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:00:13,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719027240] [2020-10-11 13:00:13,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:13,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-11 13:00:13,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054963872] [2020-10-11 13:00:13,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 13:00:13,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:13,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 13:00:13,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-11 13:00:13,831 INFO L87 Difference]: Start difference. First operand 461 states and 1003 transitions. Second operand 20 states. [2020-10-11 13:00:16,685 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-11 13:00:17,080 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2020-10-11 13:00:17,369 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-10-11 13:00:17,817 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2020-10-11 13:00:18,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:18,202 INFO L93 Difference]: Finished difference Result 871 states and 1893 transitions. [2020-10-11 13:00:18,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-11 13:00:18,203 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-11 13:00:18,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:18,207 INFO L225 Difference]: With dead ends: 871 [2020-10-11 13:00:18,207 INFO L226 Difference]: Without dead ends: 831 [2020-10-11 13:00:18,208 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-10-11 13:00:18,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2020-10-11 13:00:18,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 592. [2020-10-11 13:00:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-10-11 13:00:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1288 transitions. [2020-10-11 13:00:18,222 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1288 transitions. Word has length 38 [2020-10-11 13:00:18,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:18,223 INFO L481 AbstractCegarLoop]: Abstraction has 592 states and 1288 transitions. [2020-10-11 13:00:18,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 13:00:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1288 transitions. [2020-10-11 13:00:18,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:18,224 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:18,225 INFO L421 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] [2020-10-11 13:00:18,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-11 13:00:18,225 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]=== [2020-10-11 13:00:18,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:18,225 INFO L82 PathProgramCache]: Analyzing trace with hash -706318446, now seen corresponding path program 2 times [2020-10-11 13:00:18,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:18,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699048543] [2020-10-11 13:00:18,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:18,608 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-10-11 13:00:18,782 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-10-11 13:00:18,960 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-10-11 13:00:19,136 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-10-11 13:00:19,701 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-10-11 13:00:20,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:00:20,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699048543] [2020-10-11 13:00:20,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:20,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-11 13:00:20,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020254501] [2020-10-11 13:00:20,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 13:00:20,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:20,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 13:00:20,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-11 13:00:20,452 INFO L87 Difference]: Start difference. First operand 592 states and 1288 transitions. Second operand 20 states. [2020-10-11 13:00:21,935 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-10-11 13:00:23,680 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-11 13:00:24,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:24,217 INFO L93 Difference]: Finished difference Result 808 states and 1742 transitions. [2020-10-11 13:00:24,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 13:00:24,218 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-11 13:00:24,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:24,221 INFO L225 Difference]: With dead ends: 808 [2020-10-11 13:00:24,222 INFO L226 Difference]: Without dead ends: 768 [2020-10-11 13:00:24,222 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=181, Invalid=1079, Unknown=0, NotChecked=0, Total=1260 [2020-10-11 13:00:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2020-10-11 13:00:24,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 594. [2020-10-11 13:00:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-10-11 13:00:24,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1291 transitions. [2020-10-11 13:00:24,257 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1291 transitions. Word has length 38 [2020-10-11 13:00:24,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:24,258 INFO L481 AbstractCegarLoop]: Abstraction has 594 states and 1291 transitions. [2020-10-11 13:00:24,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 13:00:24,258 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1291 transitions. [2020-10-11 13:00:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:24,259 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:24,260 INFO L421 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] [2020-10-11 13:00:24,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-11 13:00:24,260 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]=== [2020-10-11 13:00:24,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:24,261 INFO L82 PathProgramCache]: Analyzing trace with hash -238269934, now seen corresponding path program 3 times [2020-10-11 13:00:24,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:24,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169725173] [2020-10-11 13:00:24,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:24,627 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-10-11 13:00:24,779 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-10-11 13:00:25,034 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-10-11 13:00:25,168 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-11 13:00:25,634 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-10-11 13:00:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:00:26,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169725173] [2020-10-11 13:00:26,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:26,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-11 13:00:26,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744979813] [2020-10-11 13:00:26,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 13:00:26,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:26,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 13:00:26,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-11 13:00:26,402 INFO L87 Difference]: Start difference. First operand 594 states and 1291 transitions. Second operand 20 states. [2020-10-11 13:00:27,795 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-10-11 13:00:29,624 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-11 13:00:30,037 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-11 13:00:30,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:30,235 INFO L93 Difference]: Finished difference Result 768 states and 1653 transitions. [2020-10-11 13:00:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 13:00:30,236 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-11 13:00:30,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:30,240 INFO L225 Difference]: With dead ends: 768 [2020-10-11 13:00:30,240 INFO L226 Difference]: Without dead ends: 728 [2020-10-11 13:00:30,241 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2020-10-11 13:00:30,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-11 13:00:30,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 596. [2020-10-11 13:00:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-10-11 13:00:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1294 transitions. [2020-10-11 13:00:30,252 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1294 transitions. Word has length 38 [2020-10-11 13:00:30,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:30,253 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 1294 transitions. [2020-10-11 13:00:30,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 13:00:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1294 transitions. [2020-10-11 13:00:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:30,254 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:30,254 INFO L421 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] [2020-10-11 13:00:30,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-11 13:00:30,255 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]=== [2020-10-11 13:00:30,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:30,255 INFO L82 PathProgramCache]: Analyzing trace with hash -505552430, now seen corresponding path program 4 times [2020-10-11 13:00:30,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:30,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272160223] [2020-10-11 13:00:30,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:30,626 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-10-11 13:00:30,813 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-10-11 13:00:30,993 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-10-11 13:00:31,159 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-11 13:00:31,301 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-11 13:00:31,833 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2020-10-11 13:00:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:00:32,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272160223] [2020-10-11 13:00:32,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:32,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-11 13:00:32,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691155700] [2020-10-11 13:00:32,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-11 13:00:32,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:32,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-11 13:00:32,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-11 13:00:32,571 INFO L87 Difference]: Start difference. First operand 596 states and 1294 transitions. Second operand 20 states. [2020-10-11 13:00:34,125 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-10-11 13:00:36,018 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2020-10-11 13:00:36,436 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2020-10-11 13:00:36,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:36,621 INFO L93 Difference]: Finished difference Result 778 states and 1668 transitions. [2020-10-11 13:00:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 13:00:36,623 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2020-10-11 13:00:36,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:36,626 INFO L225 Difference]: With dead ends: 778 [2020-10-11 13:00:36,626 INFO L226 Difference]: Without dead ends: 738 [2020-10-11 13:00:36,627 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2020-10-11 13:00:36,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2020-10-11 13:00:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 604. [2020-10-11 13:00:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-11 13:00:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-10-11 13:00:36,639 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-10-11 13:00:36,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:36,639 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-10-11 13:00:36,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-11 13:00:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-10-11 13:00:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:36,641 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:36,641 INFO L421 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] [2020-10-11 13:00:36,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-11 13:00:36,642 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]=== [2020-10-11 13:00:36,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:36,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1995609500, now seen corresponding path program 5 times [2020-10-11 13:00:36,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:36,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900917525] [2020-10-11 13:00:36,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 13:00:36,968 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-11 13:00:37,800 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-10-11 13:00:38,387 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-10-11 13:00:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 13:00:38,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900917525] [2020-10-11 13:00:38,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 13:00:38,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-11 13:00:38,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810576937] [2020-10-11 13:00:38,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-11 13:00:38,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 13:00:38,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-11 13:00:38,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2020-10-11 13:00:38,806 INFO L87 Difference]: Start difference. First operand 604 states and 1306 transitions. Second operand 21 states. [2020-10-11 13:00:39,640 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2020-10-11 13:00:40,207 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2020-10-11 13:00:41,679 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2020-10-11 13:00:42,259 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2020-10-11 13:00:43,359 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2020-10-11 13:00:43,797 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-10-11 13:00:44,105 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2020-10-11 13:00:44,900 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 65 [2020-10-11 13:00:45,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-11 13:00:45,526 INFO L93 Difference]: Finished difference Result 1116 states and 2415 transitions. [2020-10-11 13:00:45,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-11 13:00:45,527 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2020-10-11 13:00:45,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-11 13:00:45,533 INFO L225 Difference]: With dead ends: 1116 [2020-10-11 13:00:45,533 INFO L226 Difference]: Without dead ends: 1076 [2020-10-11 13:00:45,534 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=286, Invalid=1784, Unknown=0, NotChecked=0, Total=2070 [2020-10-11 13:00:45,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2020-10-11 13:00:45,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 604. [2020-10-11 13:00:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-10-11 13:00:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-10-11 13:00:45,549 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-10-11 13:00:45,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-11 13:00:45,549 INFO L481 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-10-11 13:00:45,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-11 13:00:45,550 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-10-11 13:00:45,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-11 13:00:45,551 INFO L413 BasicCegarLoop]: Found error trace [2020-10-11 13:00:45,551 INFO L421 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] [2020-10-11 13:00:45,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-11 13:00:45,551 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]=== [2020-10-11 13:00:45,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 13:00:45,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1985284700, now seen corresponding path program 6 times [2020-10-11 13:00:45,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 13:00:45,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281269432] [2020-10-11 13:00:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 13:00:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2020-10-11 13:12:13,771 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,774 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,775 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,777 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,779 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,781 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,782 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,783 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,795 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,796 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,797 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,798 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,801 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2020-10-11 13:12:13,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-11 13:12:13,807 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-11 13:12:13,812 WARN L235 ceAbstractionStarter]: Timeout [2020-10-11 13:12:13,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 01:12:13 BasicIcfg [2020-10-11 13:12:13,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 13:12:13,819 INFO L168 Benchmark]: Toolchain (without parser) took 790222.41 ms. Allocated memory was 251.7 MB in the beginning and 7.4 GB in the end (delta: 7.2 GB). Free memory was 204.9 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 7.3 GB. Max. memory is 14.2 GB. [2020-10-11 13:12:13,820 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 13:12:13,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 905.94 ms. Allocated memory was 251.7 MB in the beginning and 315.1 MB in the end (delta: 63.4 MB). Free memory was 204.9 MB in the beginning and 243.0 MB in the end (delta: -38.1 MB). Peak memory consumption was 35.4 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:13,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.10 ms. Allocated memory is still 315.1 MB. Free memory was 243.0 MB in the beginning and 238.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:13,821 INFO L168 Benchmark]: Boogie Preprocessor took 44.48 ms. Allocated memory is still 315.1 MB. Free memory was 238.0 MB in the beginning and 235.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:13,821 INFO L168 Benchmark]: RCFGBuilder took 754.55 ms. Allocated memory is still 315.1 MB. Free memory was 235.5 MB in the beginning and 188.0 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 14.2 GB. [2020-10-11 13:12:13,823 INFO L168 Benchmark]: TraceAbstraction took 788441.14 ms. Allocated memory was 315.1 MB in the beginning and 7.4 GB in the end (delta: 7.1 GB). Free memory was 188.0 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. [2020-10-11 13:12:13,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 251.7 MB. Free memory is still 225.5 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 905.94 ms. Allocated memory was 251.7 MB in the beginning and 315.1 MB in the end (delta: 63.4 MB). Free memory was 204.9 MB in the beginning and 243.0 MB in the end (delta: -38.1 MB). Peak memory consumption was 35.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 71.10 ms. Allocated memory is still 315.1 MB. Free memory was 243.0 MB in the beginning and 238.0 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 44.48 ms. Allocated memory is still 315.1 MB. Free memory was 238.0 MB in the beginning and 235.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 754.55 ms. Allocated memory is still 315.1 MB. Free memory was 235.5 MB in the beginning and 188.0 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 788441.14 ms. Allocated memory was 315.1 MB in the beginning and 7.4 GB in the end (delta: 7.1 GB). Free memory was 188.0 MB in the beginning and 5.0 GB in the end (delta: -4.8 GB). Peak memory consumption was 7.2 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10173 VarBasedMoverChecksPositive, 230 VarBasedMoverChecksNegative, 38 SemBasedMoverChecksPositive, 192 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.1s, 837 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 7.5s, 234 PlacesBefore, 66 PlacesAfterwards, 244 TransitionsBefore, 71 TransitionsAfterwards, 14896 CoEnabledTransitionPairs, 7 FixpointIterations, 62 TrivialSequentialCompositions, 115 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 24 ConcurrentYvCompositions, 5 ChoiceCompositions, 210 TotalNumberOfCompositions, 35617 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: 788.2s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 58.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.6s, HoareTripleCheckerStatistics: 1133 SDtfs, 1717 SDslu, 5143 SDs, 0 SdLazy, 11953 SolverSat, 413 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 34 SyntacticMatches, 21 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1934 ImplicationChecksByTransitivity, 47.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1201occurred 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: 0.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 1899 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 32.6s InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 695261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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