/usr/bin/java -Xmx8000000000 -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 0.1.25-60655ea [2020-09-14 12:36:53,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-14 12:36:53,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-14 12:36:53,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-14 12:36:53,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-14 12:36:53,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-14 12:36:53,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-14 12:36:53,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-14 12:36:53,492 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-14 12:36:53,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-14 12:36:53,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-14 12:36:53,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-14 12:36:53,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-14 12:36:53,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-14 12:36:53,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-14 12:36:53,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-14 12:36:53,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-14 12:36:53,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-14 12:36:53,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-14 12:36:53,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-14 12:36:53,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-14 12:36:53,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-14 12:36:53,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-14 12:36:53,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-14 12:36:53,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-14 12:36:53,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-14 12:36:53,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-14 12:36:53,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-14 12:36:53,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-14 12:36:53,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-14 12:36:53,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-14 12:36:53,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-14 12:36:53,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-14 12:36:53,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-14 12:36:53,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-14 12:36:53,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-14 12:36:53,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-14 12:36:53,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-14 12:36:53,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-14 12:36:53,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-14 12:36:53,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-14 12:36:53,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-14 12:36:53,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-14 12:36:53,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-14 12:36:53,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-14 12:36:53,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-14 12:36:53,593 INFO L138 SettingsManager]: * Use SBE=true [2020-09-14 12:36:53,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-14 12:36:53,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-14 12:36:53,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-14 12:36:53,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-14 12:36:53,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-14 12:36:53,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-14 12:36:53,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-14 12:36:53,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-14 12:36:53,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-14 12:36:53,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-14 12:36:53,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-14 12:36:53,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-14 12:36:53,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-14 12:36:53,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-14 12:36:53,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-14 12:36:53,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-14 12:36:53,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 12:36:53,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-14 12:36:53,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-14 12:36:53,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-14 12:36:53,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-14 12:36:53,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-14 12:36:53,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-14 12:36:53,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-14 12:36:53,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-14 12:36:54,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-14 12:36:54,644 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-14 12:36:54,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-14 12:36:54,651 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-14 12:36:54,651 INFO L275 PluginConnector]: CDTParser initialized [2020-09-14 12:36:54,653 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longest.i [2020-09-14 12:36:54,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ea5f1182/5530822a62954f779f6bc206d5c5d195/FLAG1a0971369 [2020-09-14 12:36:55,484 INFO L306 CDTParser]: Found 1 translation units. [2020-09-14 12:36:55,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/queue_longest.i [2020-09-14 12:36:55,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ea5f1182/5530822a62954f779f6bc206d5c5d195/FLAG1a0971369 [2020-09-14 12:36:55,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2ea5f1182/5530822a62954f779f6bc206d5c5d195 [2020-09-14 12:36:55,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-14 12:36:55,679 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-14 12:36:55,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-14 12:36:55,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-14 12:36:55,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-14 12:36:55,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:36:55" (1/1) ... [2020-09-14 12:36:55,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb23e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:55, skipping insertion in model container [2020-09-14 12:36:55,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:36:55" (1/1) ... [2020-09-14 12:36:55,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-14 12:36:55,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-14 12:36:56,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:36:56,472 INFO L203 MainTranslator]: Completed pre-run [2020-09-14 12:36:56,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:36:56,709 INFO L208 MainTranslator]: Completed translation [2020-09-14 12:36:56,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56 WrapperNode [2020-09-14 12:36:56,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-14 12:36:56,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-14 12:36:56,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-14 12:36:56,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-14 12:36:56,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-14 12:36:56,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-14 12:36:56,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-14 12:36:56,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-14 12:36:56,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... [2020-09-14 12:36:56,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-14 12:36:56,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-14 12:36:56,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-14 12:36:56,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-14 12:36:56,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:36:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-14 12:36:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-14 12:36:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-14 12:36:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-14 12:36:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-14 12:36:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-14 12:36:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-14 12:36:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-14 12:36:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-14 12:36:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-14 12:36:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-14 12:36:56,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-14 12:36:56,948 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-14 12:36:57,687 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-14 12:36:57,688 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-14 12:36:57,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:36:57 BoogieIcfgContainer [2020-09-14 12:36:57,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-14 12:36:57,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-14 12:36:57,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-14 12:36:57,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-14 12:36:57,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 12:36:55" (1/3) ... [2020-09-14 12:36:57,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a0d8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:36:57, skipping insertion in model container [2020-09-14 12:36:57,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:36:56" (2/3) ... [2020-09-14 12:36:57,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a0d8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:36:57, skipping insertion in model container [2020-09-14 12:36:57,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:36:57" (3/3) ... [2020-09-14 12:36:57,703 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_longest.i [2020-09-14 12:36:57,714 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-14 12:36:57,715 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-14 12:36:57,726 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-09-14 12:36:57,727 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-14 12:36:57,774 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,774 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,775 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,775 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,775 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,775 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,776 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,776 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,776 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,776 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,777 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,777 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,777 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,777 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,777 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,778 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,778 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,778 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,778 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,779 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,779 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,779 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,779 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,779 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,779 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,780 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,780 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,780 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,780 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,780 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,781 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,781 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,781 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,781 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,781 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,781 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,782 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,782 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,782 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,782 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,782 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,786 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,786 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,786 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,786 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,787 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,787 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,787 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,788 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,788 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,788 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,789 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,789 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,789 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,790 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,790 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,790 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,790 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,790 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,791 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,791 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,791 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,792 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,792 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,792 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,792 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,793 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,793 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,793 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,794 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,794 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,794 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,794 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,795 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,795 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,795 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,795 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,795 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,796 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,796 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,796 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,796 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,796 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,797 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,797 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,797 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,797 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,797 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,798 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,798 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,798 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,798 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,799 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,799 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,799 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,799 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,799 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,800 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,800 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,800 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,800 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,801 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,802 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,802 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,802 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,802 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,803 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,803 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,803 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,803 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,804 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,804 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,804 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,804 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,804 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,805 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,805 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,805 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,805 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,805 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,805 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,806 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,806 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,807 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,807 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,808 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,808 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,809 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,809 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,810 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,810 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,811 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,811 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,812 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,812 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,813 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,813 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,814 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,814 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,815 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,815 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,815 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,816 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,816 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,817 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,817 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,818 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,818 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,819 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,819 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,820 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,821 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,821 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,822 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,822 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,822 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,822 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,823 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,823 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,823 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,823 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,824 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,824 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,825 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,825 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,826 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,826 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,827 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,827 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,828 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,828 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,829 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,829 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,829 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,830 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,830 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,831 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,831 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,831 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,832 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,832 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,832 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,832 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,833 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,833 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,834 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,834 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,835 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,835 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,835 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,836 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,837 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,842 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,842 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,842 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,843 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,843 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,844 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,844 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,845 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,845 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,846 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,846 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,847 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,848 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,848 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,849 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,859 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,860 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,860 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,861 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,861 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,861 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,879 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,879 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,880 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,880 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,880 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,880 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,880 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,881 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,881 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,881 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:36:57,911 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-14 12:36:57,939 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:36:57,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:36:57,940 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:36:57,940 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:36:57,940 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:36:57,940 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:36:57,940 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:36:57,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:36:57,964 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 234 places, 244 transitions, 510 flow [2020-09-14 12:36:57,967 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-09-14 12:36:58,093 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-09-14 12:36:58,093 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:36:58,108 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. [2020-09-14 12:36:58,124 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 234 places, 244 transitions, 510 flow [2020-09-14 12:36:58,222 INFO L129 PetriNetUnfolder]: 16/244 cut-off events. [2020-09-14 12:36:58,222 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:36:58,227 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. [2020-09-14 12:36:58,244 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 14896 [2020-09-14 12:36:58,246 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:37:02,314 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-09-14 12:37:03,617 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2020-09-14 12:37:04,311 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2020-09-14 12:37:04,598 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-09-14 12:37:05,571 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-09-14 12:37:06,069 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-09-14 12:37:06,090 INFO L206 etLargeBlockEncoding]: Checked pairs total: 29908 [2020-09-14 12:37:06,091 INFO L214 etLargeBlockEncoding]: Total number of compositions: 205 [2020-09-14 12:37:06,095 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 71 transitions, 164 flow [2020-09-14 12:37:06,165 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1201 states. [2020-09-14 12:37:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states. [2020-09-14 12:37:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-14 12:37:06,177 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:06,178 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-14 12:37:06,179 INFO L427 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]=== [2020-09-14 12:37:06,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:06,187 INFO L82 PathProgramCache]: Analyzing trace with hash 964, now seen corresponding path program 1 times [2020-09-14 12:37:06,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:06,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367793375] [2020-09-14 12:37:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:06,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367793375] [2020-09-14 12:37:06,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:06,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-14 12:37:06,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772807240] [2020-09-14 12:37:06,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 12:37:06,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:06,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 12:37:06,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:37:06,387 INFO L87 Difference]: Start difference. First operand 1201 states. Second operand 2 states. [2020-09-14 12:37:06,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:06,451 INFO L93 Difference]: Finished difference Result 1200 states and 3170 transitions. [2020-09-14 12:37:06,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 12:37:06,453 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-14 12:37:06,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:06,488 INFO L225 Difference]: With dead ends: 1200 [2020-09-14 12:37:06,488 INFO L226 Difference]: Without dead ends: 1109 [2020-09-14 12:37:06,490 INFO L675 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 [2020-09-14 12:37:06,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-09-14 12:37:06,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-09-14 12:37:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-09-14 12:37:06,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2958 transitions. [2020-09-14 12:37:06,638 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2958 transitions. Word has length 1 [2020-09-14 12:37:06,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:06,639 INFO L479 AbstractCegarLoop]: Abstraction has 1109 states and 2958 transitions. [2020-09-14 12:37:06,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 12:37:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2958 transitions. [2020-09-14 12:37:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-14 12:37:06,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:06,642 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:06,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-14 12:37:06,643 INFO L427 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]=== [2020-09-14 12:37:06,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:06,643 INFO L82 PathProgramCache]: Analyzing trace with hash -484874631, now seen corresponding path program 1 times [2020-09-14 12:37:06,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:06,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975714320] [2020-09-14 12:37:06,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:06,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975714320] [2020-09-14 12:37:06,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:06,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:37:06,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758445517] [2020-09-14 12:37:06,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:06,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:06,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:06,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:06,835 INFO L87 Difference]: Start difference. First operand 1109 states and 2958 transitions. Second operand 3 states. [2020-09-14 12:37:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:06,864 INFO L93 Difference]: Finished difference Result 1109 states and 2921 transitions. [2020-09-14 12:37:06,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:06,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-09-14 12:37:06,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:06,873 INFO L225 Difference]: With dead ends: 1109 [2020-09-14 12:37:06,873 INFO L226 Difference]: Without dead ends: 1109 [2020-09-14 12:37:06,875 INFO L675 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 [2020-09-14 12:37:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-09-14 12:37:06,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1109. [2020-09-14 12:37:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1109 states. [2020-09-14 12:37:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 1109 states and 2921 transitions. [2020-09-14 12:37:06,911 INFO L78 Accepts]: Start accepts. Automaton has 1109 states and 2921 transitions. Word has length 11 [2020-09-14 12:37:06,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:06,912 INFO L479 AbstractCegarLoop]: Abstraction has 1109 states and 2921 transitions. [2020-09-14 12:37:06,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2921 transitions. [2020-09-14 12:37:06,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-14 12:37:06,915 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:06,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:06,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-14 12:37:06,915 INFO L427 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]=== [2020-09-14 12:37:06,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:06,916 INFO L82 PathProgramCache]: Analyzing trace with hash -2105337476, now seen corresponding path program 1 times [2020-09-14 12:37:06,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:06,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994793850] [2020-09-14 12:37:06,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:07,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994793850] [2020-09-14 12:37:07,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:07,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-14 12:37:07,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744185080] [2020-09-14 12:37:07,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 12:37:07,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:07,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 12:37:07,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-14 12:37:07,353 INFO L87 Difference]: Start difference. First operand 1109 states and 2921 transitions. Second operand 5 states. [2020-09-14 12:37:07,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:07,812 INFO L93 Difference]: Finished difference Result 1108 states and 2918 transitions. [2020-09-14 12:37:07,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-14 12:37:07,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-09-14 12:37:07,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:07,820 INFO L225 Difference]: With dead ends: 1108 [2020-09-14 12:37:07,821 INFO L226 Difference]: Without dead ends: 1108 [2020-09-14 12:37:07,821 INFO L675 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 [2020-09-14 12:37:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-09-14 12:37:07,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2020-09-14 12:37:07,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2020-09-14 12:37:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 2918 transitions. [2020-09-14 12:37:07,859 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 2918 transitions. Word has length 13 [2020-09-14 12:37:07,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:07,860 INFO L479 AbstractCegarLoop]: Abstraction has 1108 states and 2918 transitions. [2020-09-14 12:37:07,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 12:37:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2918 transitions. [2020-09-14 12:37:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-14 12:37:07,869 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:07,869 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:07,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-14 12:37:07,869 INFO L427 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]=== [2020-09-14 12:37:07,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:07,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1475451711, now seen corresponding path program 1 times [2020-09-14 12:37:07,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:07,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615993056] [2020-09-14 12:37:07,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:07,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615993056] [2020-09-14 12:37:08,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:08,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 12:37:08,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396889467] [2020-09-14 12:37:08,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:08,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:08,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:08,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:08,001 INFO L87 Difference]: Start difference. First operand 1108 states and 2918 transitions. Second operand 3 states. [2020-09-14 12:37:08,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:08,022 INFO L93 Difference]: Finished difference Result 985 states and 2529 transitions. [2020-09-14 12:37:08,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:08,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-09-14 12:37:08,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:08,029 INFO L225 Difference]: With dead ends: 985 [2020-09-14 12:37:08,030 INFO L226 Difference]: Without dead ends: 953 [2020-09-14 12:37:08,030 INFO L675 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 [2020-09-14 12:37:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-09-14 12:37:08,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 953. [2020-09-14 12:37:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-09-14 12:37:08,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 2454 transitions. [2020-09-14 12:37:08,065 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 2454 transitions. Word has length 13 [2020-09-14 12:37:08,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:08,067 INFO L479 AbstractCegarLoop]: Abstraction has 953 states and 2454 transitions. [2020-09-14 12:37:08,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2454 transitions. [2020-09-14 12:37:08,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-14 12:37:08,102 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:08,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:08,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-14 12:37:08,104 INFO L427 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]=== [2020-09-14 12:37:08,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:08,105 INFO L82 PathProgramCache]: Analyzing trace with hash -482065399, now seen corresponding path program 1 times [2020-09-14 12:37:08,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:08,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033341787] [2020-09-14 12:37:08,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:08,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:08,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033341787] [2020-09-14 12:37:08,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:08,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-14 12:37:08,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857924792] [2020-09-14 12:37:08,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-14 12:37:08,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:08,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-14 12:37:08,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-09-14 12:37:08,448 INFO L87 Difference]: Start difference. First operand 953 states and 2454 transitions. Second operand 9 states. [2020-09-14 12:37:09,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:09,057 INFO L93 Difference]: Finished difference Result 1079 states and 2770 transitions. [2020-09-14 12:37:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-14 12:37:09,058 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-14 12:37:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:09,067 INFO L225 Difference]: With dead ends: 1079 [2020-09-14 12:37:09,067 INFO L226 Difference]: Without dead ends: 1059 [2020-09-14 12:37:09,069 INFO L675 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 [2020-09-14 12:37:09,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-09-14 12:37:09,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 975. [2020-09-14 12:37:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-09-14 12:37:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 2504 transitions. [2020-09-14 12:37:09,111 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 2504 transitions. Word has length 14 [2020-09-14 12:37:09,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:09,111 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 2504 transitions. [2020-09-14 12:37:09,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-14 12:37:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 2504 transitions. [2020-09-14 12:37:09,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-14 12:37:09,112 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:09,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:09,114 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-14 12:37:09,114 INFO L427 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]=== [2020-09-14 12:37:09,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:09,114 INFO L82 PathProgramCache]: Analyzing trace with hash -313921473, now seen corresponding path program 1 times [2020-09-14 12:37:09,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:09,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875517534] [2020-09-14 12:37:09,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:09,471 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-09-14 12:37:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:09,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875517534] [2020-09-14 12:37:09,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:09,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-14 12:37:09,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704893014] [2020-09-14 12:37:09,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-14 12:37:09,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:09,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-14 12:37:09,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-14 12:37:09,801 INFO L87 Difference]: Start difference. First operand 975 states and 2504 transitions. Second operand 9 states. [2020-09-14 12:37:10,035 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2020-09-14 12:37:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:10,654 INFO L93 Difference]: Finished difference Result 973 states and 2500 transitions. [2020-09-14 12:37:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-14 12:37:10,655 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2020-09-14 12:37:10,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:10,661 INFO L225 Difference]: With dead ends: 973 [2020-09-14 12:37:10,661 INFO L226 Difference]: Without dead ends: 973 [2020-09-14 12:37:10,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-09-14 12:37:10,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-09-14 12:37:10,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 973. [2020-09-14 12:37:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 973 states. [2020-09-14 12:37:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 2500 transitions. [2020-09-14 12:37:10,688 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 2500 transitions. Word has length 14 [2020-09-14 12:37:10,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:10,689 INFO L479 AbstractCegarLoop]: Abstraction has 973 states and 2500 transitions. [2020-09-14 12:37:10,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-14 12:37:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 2500 transitions. [2020-09-14 12:37:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-14 12:37:10,690 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:10,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:10,691 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-14 12:37:10,691 INFO L427 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]=== [2020-09-14 12:37:10,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:10,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1532094638, now seen corresponding path program 1 times [2020-09-14 12:37:10,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:10,692 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274738771] [2020-09-14 12:37:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:11,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274738771] [2020-09-14 12:37:11,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:11,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-14 12:37:11,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326229962] [2020-09-14 12:37:11,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-14 12:37:11,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:11,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-14 12:37:11,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-14 12:37:11,158 INFO L87 Difference]: Start difference. First operand 973 states and 2500 transitions. Second operand 10 states. [2020-09-14 12:37:11,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:11,753 INFO L93 Difference]: Finished difference Result 1033 states and 2638 transitions. [2020-09-14 12:37:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-14 12:37:11,756 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-09-14 12:37:11,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:11,763 INFO L225 Difference]: With dead ends: 1033 [2020-09-14 12:37:11,763 INFO L226 Difference]: Without dead ends: 978 [2020-09-14 12:37:11,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-09-14 12:37:11,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2020-09-14 12:37:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 924. [2020-09-14 12:37:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-09-14 12:37:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 2381 transitions. [2020-09-14 12:37:11,794 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 2381 transitions. Word has length 15 [2020-09-14 12:37:11,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:11,795 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 2381 transitions. [2020-09-14 12:37:11,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-14 12:37:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 2381 transitions. [2020-09-14 12:37:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-14 12:37:11,796 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:11,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:11,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-14 12:37:11,796 INFO L427 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]=== [2020-09-14 12:37:11,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:11,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1172406912, now seen corresponding path program 2 times [2020-09-14 12:37:11,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:11,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305624462] [2020-09-14 12:37:11,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:12,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:12,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305624462] [2020-09-14 12:37:12,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:12,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-14 12:37:12,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789644547] [2020-09-14 12:37:12,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-14 12:37:12,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:12,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-14 12:37:12,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-14 12:37:12,172 INFO L87 Difference]: Start difference. First operand 924 states and 2381 transitions. Second operand 10 states. [2020-09-14 12:37:12,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:12,770 INFO L93 Difference]: Finished difference Result 1036 states and 2664 transitions. [2020-09-14 12:37:12,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-14 12:37:12,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2020-09-14 12:37:12,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:12,778 INFO L225 Difference]: With dead ends: 1036 [2020-09-14 12:37:12,779 INFO L226 Difference]: Without dead ends: 1021 [2020-09-14 12:37:12,779 INFO L675 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 [2020-09-14 12:37:12,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-09-14 12:37:12,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 910. [2020-09-14 12:37:12,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-09-14 12:37:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 2348 transitions. [2020-09-14 12:37:12,802 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 2348 transitions. Word has length 15 [2020-09-14 12:37:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:12,802 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 2348 transitions. [2020-09-14 12:37:12,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-14 12:37:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 2348 transitions. [2020-09-14 12:37:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-14 12:37:12,803 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:12,804 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:12,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-14 12:37:12,804 INFO L427 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]=== [2020-09-14 12:37:12,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:12,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1141702962, now seen corresponding path program 3 times [2020-09-14 12:37:12,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:12,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671254811] [2020-09-14 12:37:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:24,572 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-09-14 12:37:25,027 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 50 [2020-09-14 12:37:25,483 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 56 [2020-09-14 12:37:26,318 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2020-09-14 12:37:26,967 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 61 [2020-09-14 12:37:27,910 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-09-14 12:37:28,836 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 67 [2020-09-14 12:37:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:29,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671254811] [2020-09-14 12:37:29,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:29,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-14 12:37:29,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32606320] [2020-09-14 12:37:29,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-14 12:37:29,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:29,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-14 12:37:29,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-14 12:37:29,013 INFO L87 Difference]: Start difference. First operand 910 states and 2348 transitions. Second operand 11 states. [2020-09-14 12:37:29,518 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2020-09-14 12:37:31,481 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-09-14 12:37:35,868 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 128 [2020-09-14 12:37:40,377 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 139 [2020-09-14 12:37:51,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:51,905 INFO L93 Difference]: Finished difference Result 912 states and 2363 transitions. [2020-09-14 12:37:51,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-14 12:37:51,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2020-09-14 12:37:51,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:51,911 INFO L225 Difference]: With dead ends: 912 [2020-09-14 12:37:51,911 INFO L226 Difference]: Without dead ends: 902 [2020-09-14 12:37:51,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-09-14 12:37:51,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-09-14 12:37:51,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 854. [2020-09-14 12:37:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2020-09-14 12:37:51,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 2221 transitions. [2020-09-14 12:37:51,932 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 2221 transitions. Word has length 15 [2020-09-14 12:37:51,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:51,933 INFO L479 AbstractCegarLoop]: Abstraction has 854 states and 2221 transitions. [2020-09-14 12:37:51,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-14 12:37:51,933 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 2221 transitions. [2020-09-14 12:37:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-14 12:37:51,935 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:51,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:51,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-14 12:37:51,935 INFO L427 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]=== [2020-09-14 12:37:51,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:51,936 INFO L82 PathProgramCache]: Analyzing trace with hash 32419424, now seen corresponding path program 1 times [2020-09-14 12:37:51,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:51,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115257486] [2020-09-14 12:37:51,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:52,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115257486] [2020-09-14 12:37:52,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:52,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:37:52,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6819364] [2020-09-14 12:37:52,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:52,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:52,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:52,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:52,015 INFO L87 Difference]: Start difference. First operand 854 states and 2221 transitions. Second operand 3 states. [2020-09-14 12:37:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:52,046 INFO L93 Difference]: Finished difference Result 385 states and 826 transitions. [2020-09-14 12:37:52,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:52,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-09-14 12:37:52,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:52,049 INFO L225 Difference]: With dead ends: 385 [2020-09-14 12:37:52,050 INFO L226 Difference]: Without dead ends: 379 [2020-09-14 12:37:52,050 INFO L675 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 [2020-09-14 12:37:52,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-09-14 12:37:52,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 307. [2020-09-14 12:37:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-09-14 12:37:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 665 transitions. [2020-09-14 12:37:52,057 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 665 transitions. Word has length 35 [2020-09-14 12:37:52,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:52,058 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 665 transitions. [2020-09-14 12:37:52,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 665 transitions. [2020-09-14 12:37:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-14 12:37:52,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:52,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:52,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-14 12:37:52,060 INFO L427 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]=== [2020-09-14 12:37:52,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:52,060 INFO L82 PathProgramCache]: Analyzing trace with hash -290676825, now seen corresponding path program 1 times [2020-09-14 12:37:52,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:52,061 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205748785] [2020-09-14 12:37:52,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:52,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205748785] [2020-09-14 12:37:52,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:52,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-14 12:37:52,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419358536] [2020-09-14 12:37:52,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-14 12:37:52,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:52,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-14 12:37:52,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-09-14 12:37:52,718 INFO L87 Difference]: Start difference. First operand 307 states and 665 transitions. Second operand 15 states. [2020-09-14 12:37:53,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:53,574 INFO L93 Difference]: Finished difference Result 364 states and 782 transitions. [2020-09-14 12:37:53,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-14 12:37:53,575 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2020-09-14 12:37:53,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:53,577 INFO L225 Difference]: With dead ends: 364 [2020-09-14 12:37:53,577 INFO L226 Difference]: Without dead ends: 364 [2020-09-14 12:37:53,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2020-09-14 12:37:53,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-09-14 12:37:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 347. [2020-09-14 12:37:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-09-14 12:37:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 748 transitions. [2020-09-14 12:37:53,585 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 748 transitions. Word has length 36 [2020-09-14 12:37:53,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:53,585 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 748 transitions. [2020-09-14 12:37:53,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-14 12:37:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 748 transitions. [2020-09-14 12:37:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-14 12:37:53,587 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:53,587 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:53,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-14 12:37:53,587 INFO L427 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]=== [2020-09-14 12:37:53,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:53,588 INFO L82 PathProgramCache]: Analyzing trace with hash -2094594107, now seen corresponding path program 2 times [2020-09-14 12:37:53,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:53,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157945275] [2020-09-14 12:37:53,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:54,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157945275] [2020-09-14 12:37:54,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:54,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-14 12:37:54,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394624591] [2020-09-14 12:37:54,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-14 12:37:54,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:54,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-14 12:37:54,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-09-14 12:37:54,155 INFO L87 Difference]: Start difference. First operand 347 states and 748 transitions. Second operand 15 states. [2020-09-14 12:37:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:55,026 INFO L93 Difference]: Finished difference Result 419 states and 890 transitions. [2020-09-14 12:37:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-14 12:37:55,027 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2020-09-14 12:37:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:55,030 INFO L225 Difference]: With dead ends: 419 [2020-09-14 12:37:55,030 INFO L226 Difference]: Without dead ends: 419 [2020-09-14 12:37:55,030 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2020-09-14 12:37:55,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-09-14 12:37:55,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 347. [2020-09-14 12:37:55,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-09-14 12:37:55,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 748 transitions. [2020-09-14 12:37:55,038 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 748 transitions. Word has length 36 [2020-09-14 12:37:55,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:55,038 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 748 transitions. [2020-09-14 12:37:55,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-14 12:37:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 748 transitions. [2020-09-14 12:37:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-14 12:37:55,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:55,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:55,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-14 12:37:55,040 INFO L427 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]=== [2020-09-14 12:37:55,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:55,040 INFO L82 PathProgramCache]: Analyzing trace with hash -23176832, now seen corresponding path program 1 times [2020-09-14 12:37:55,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:55,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498509250] [2020-09-14 12:37:55,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:55,487 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2020-09-14 12:37:55,630 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2020-09-14 12:37:55,764 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 25 [2020-09-14 12:37:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:56,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498509250] [2020-09-14 12:37:56,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:56,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-14 12:37:56,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400047516] [2020-09-14 12:37:56,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-14 12:37:56,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:56,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-14 12:37:56,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-14 12:37:56,354 INFO L87 Difference]: Start difference. First operand 347 states and 748 transitions. Second operand 16 states. [2020-09-14 12:37:57,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:57,441 INFO L93 Difference]: Finished difference Result 500 states and 1084 transitions. [2020-09-14 12:37:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-14 12:37:57,442 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2020-09-14 12:37:57,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:57,446 INFO L225 Difference]: With dead ends: 500 [2020-09-14 12:37:57,446 INFO L226 Difference]: Without dead ends: 491 [2020-09-14 12:37:57,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-09-14 12:37:57,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-14 12:37:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 461. [2020-09-14 12:37:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-09-14 12:37:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 1003 transitions. [2020-09-14 12:37:57,456 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 1003 transitions. Word has length 37 [2020-09-14 12:37:57,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:57,456 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 1003 transitions. [2020-09-14 12:37:57,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-14 12:37:57,457 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1003 transitions. [2020-09-14 12:37:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-14 12:37:57,458 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:57,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:57,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-14 12:37:57,458 INFO L427 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]=== [2020-09-14 12:37:57,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:57,459 INFO L82 PathProgramCache]: Analyzing trace with hash -716643246, now seen corresponding path program 1 times [2020-09-14 12:37:57,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:57,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358917122] [2020-09-14 12:37:57,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:57,824 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2020-09-14 12:37:58,523 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2020-09-14 12:37:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:59,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358917122] [2020-09-14 12:37:59,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:59,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-14 12:37:59,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972221150] [2020-09-14 12:37:59,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-14 12:37:59,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:59,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-14 12:37:59,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-09-14 12:37:59,200 INFO L87 Difference]: Start difference. First operand 461 states and 1003 transitions. Second operand 19 states. [2020-09-14 12:38:00,430 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-09-14 12:38:00,961 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 47 [2020-09-14 12:38:02,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:02,954 INFO L93 Difference]: Finished difference Result 879 states and 1909 transitions. [2020-09-14 12:38:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-14 12:38:02,955 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-09-14 12:38:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:02,959 INFO L225 Difference]: With dead ends: 879 [2020-09-14 12:38:02,959 INFO L226 Difference]: Without dead ends: 839 [2020-09-14 12:38:02,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-09-14 12:38:02,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2020-09-14 12:38:02,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 592. [2020-09-14 12:38:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-09-14 12:38:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 1288 transitions. [2020-09-14 12:38:02,973 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 1288 transitions. Word has length 38 [2020-09-14 12:38:02,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:02,974 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 1288 transitions. [2020-09-14 12:38:02,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-14 12:38:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1288 transitions. [2020-09-14 12:38:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-14 12:38:02,975 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:02,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:38:02,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-14 12:38:02,976 INFO L427 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]=== [2020-09-14 12:38:02,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:02,976 INFO L82 PathProgramCache]: Analyzing trace with hash -706318446, now seen corresponding path program 2 times [2020-09-14 12:38:02,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:02,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78122833] [2020-09-14 12:38:02,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:03,379 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-09-14 12:38:03,528 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-09-14 12:38:04,375 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-09-14 12:38:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:05,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78122833] [2020-09-14 12:38:05,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:38:05,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-14 12:38:05,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831683627] [2020-09-14 12:38:05,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-14 12:38:05,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:05,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-14 12:38:05,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-09-14 12:38:05,040 INFO L87 Difference]: Start difference. First operand 592 states and 1288 transitions. Second operand 19 states. [2020-09-14 12:38:06,521 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-09-14 12:38:07,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:07,938 INFO L93 Difference]: Finished difference Result 816 states and 1758 transitions. [2020-09-14 12:38:07,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-14 12:38:07,939 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-09-14 12:38:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:07,945 INFO L225 Difference]: With dead ends: 816 [2020-09-14 12:38:07,945 INFO L226 Difference]: Without dead ends: 776 [2020-09-14 12:38:07,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2020-09-14 12:38:07,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-09-14 12:38:07,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 594. [2020-09-14 12:38:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-09-14 12:38:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1291 transitions. [2020-09-14 12:38:07,957 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1291 transitions. Word has length 38 [2020-09-14 12:38:07,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:07,958 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 1291 transitions. [2020-09-14 12:38:07,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-14 12:38:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1291 transitions. [2020-09-14 12:38:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-14 12:38:07,959 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:07,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:38:07,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-14 12:38:07,962 INFO L427 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]=== [2020-09-14 12:38:07,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:07,963 INFO L82 PathProgramCache]: Analyzing trace with hash -238269934, now seen corresponding path program 3 times [2020-09-14 12:38:07,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:07,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757018532] [2020-09-14 12:38:07,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:08,430 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-09-14 12:38:08,595 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-09-14 12:38:08,759 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-09-14 12:38:08,924 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2020-09-14 12:38:09,101 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-09-14 12:38:09,340 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2020-09-14 12:38:10,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:10,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757018532] [2020-09-14 12:38:10,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:38:10,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-14 12:38:10,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313881374] [2020-09-14 12:38:10,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-14 12:38:10,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:10,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-14 12:38:10,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-09-14 12:38:10,311 INFO L87 Difference]: Start difference. First operand 594 states and 1291 transitions. Second operand 19 states. [2020-09-14 12:38:11,698 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-09-14 12:38:13,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:13,124 INFO L93 Difference]: Finished difference Result 776 states and 1669 transitions. [2020-09-14 12:38:13,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-14 12:38:13,125 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-09-14 12:38:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:13,130 INFO L225 Difference]: With dead ends: 776 [2020-09-14 12:38:13,130 INFO L226 Difference]: Without dead ends: 736 [2020-09-14 12:38:13,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=134, Invalid=796, Unknown=0, NotChecked=0, Total=930 [2020-09-14 12:38:13,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-09-14 12:38:13,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 596. [2020-09-14 12:38:13,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-09-14 12:38:13,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1294 transitions. [2020-09-14 12:38:13,144 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1294 transitions. Word has length 38 [2020-09-14 12:38:13,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:13,144 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 1294 transitions. [2020-09-14 12:38:13,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-14 12:38:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1294 transitions. [2020-09-14 12:38:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-14 12:38:13,146 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:13,146 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:38:13,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-14 12:38:13,146 INFO L427 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]=== [2020-09-14 12:38:13,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:13,147 INFO L82 PathProgramCache]: Analyzing trace with hash -505552430, now seen corresponding path program 4 times [2020-09-14 12:38:13,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:13,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017535307] [2020-09-14 12:38:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:13,594 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-09-14 12:38:13,758 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 30 [2020-09-14 12:38:13,923 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-09-14 12:38:14,094 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-09-14 12:38:14,252 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-09-14 12:38:14,792 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 39 [2020-09-14 12:38:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:15,439 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017535307] [2020-09-14 12:38:15,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:38:15,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-14 12:38:15,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218223894] [2020-09-14 12:38:15,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-14 12:38:15,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:15,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-14 12:38:15,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-09-14 12:38:15,442 INFO L87 Difference]: Start difference. First operand 596 states and 1294 transitions. Second operand 19 states. [2020-09-14 12:38:16,867 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-09-14 12:38:18,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:18,340 INFO L93 Difference]: Finished difference Result 786 states and 1684 transitions. [2020-09-14 12:38:18,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-14 12:38:18,341 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2020-09-14 12:38:18,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:18,347 INFO L225 Difference]: With dead ends: 786 [2020-09-14 12:38:18,347 INFO L226 Difference]: Without dead ends: 746 [2020-09-14 12:38:18,348 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=134, Invalid=796, Unknown=0, NotChecked=0, Total=930 [2020-09-14 12:38:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-09-14 12:38:18,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 604. [2020-09-14 12:38:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 604 states. [2020-09-14 12:38:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 1306 transitions. [2020-09-14 12:38:18,360 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 1306 transitions. Word has length 38 [2020-09-14 12:38:18,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:18,361 INFO L479 AbstractCegarLoop]: Abstraction has 604 states and 1306 transitions. [2020-09-14 12:38:18,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-14 12:38:18,361 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1306 transitions. [2020-09-14 12:38:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-14 12:38:18,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:18,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:38:18,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-14 12:38:18,363 INFO L427 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]=== [2020-09-14 12:38:18,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:18,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1995609500, now seen corresponding path program 5 times [2020-09-14 12:38:18,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:18,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269802379] [2020-09-14 12:38:18,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat