/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 06:01:40,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 06:01:40,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 06:01:40,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 06:01:40,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 06:01:40,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 06:01:40,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 06:01:40,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 06:01:40,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 06:01:40,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 06:01:40,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 06:01:40,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 06:01:40,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 06:01:40,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 06:01:40,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 06:01:40,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 06:01:40,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 06:01:40,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 06:01:40,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 06:01:40,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 06:01:40,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 06:01:40,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 06:01:40,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 06:01:40,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 06:01:40,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-16 06:01:40,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 06:01:40,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 06:01:40,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 06:01:40,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 06:01:40,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 06:01:40,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 06:01:40,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 06:01:40,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 06:01:40,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 06:01:40,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 06:01:40,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 06:01:40,551 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf [2020-10-16 06:01:40,572 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 06:01:40,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 06:01:40,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 06:01:40,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 06:01:40,574 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 06:01:40,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 06:01:40,574 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 06:01:40,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 06:01:40,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 06:01:40,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 06:01:40,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 06:01:40,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 06:01:40,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 06:01:40,576 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 06:01:40,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 06:01:40,576 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 06:01:40,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 06:01:40,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 06:01:40,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 06:01:40,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 06:01:40,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 06:01:40,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 06:01:40,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 06:01:40,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 06:01:40,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 06:01:40,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 06:01:40,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 06:01:40,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 06:01:40,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 06:01:40,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 06:01:40,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 06:01:40,857 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 06:01:40,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 06:01:40,862 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 06:01:40,863 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-16 06:01:40,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb5fd236/68d281f541c64c4f893861fa07149411/FLAG35b5b6b5d [2020-10-16 06:01:41,412 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 06:01:41,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-16 06:01:41,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb5fd236/68d281f541c64c4f893861fa07149411/FLAG35b5b6b5d [2020-10-16 06:01:41,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb5fd236/68d281f541c64c4f893861fa07149411 [2020-10-16 06:01:41,798 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 06:01:41,800 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 06:01:41,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 06:01:41,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 06:01:41,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 06:01:41,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:01:41" (1/1) ... [2020-10-16 06:01:41,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1303cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:41, skipping insertion in model container [2020-10-16 06:01:41,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 06:01:41" (1/1) ... [2020-10-16 06:01:41,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 06:01:41,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 06:01:42,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:01:42,393 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 06:01:42,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 06:01:42,544 INFO L208 MainTranslator]: Completed translation [2020-10-16 06:01:42,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42 WrapperNode [2020-10-16 06:01:42,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 06:01:42,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 06:01:42,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 06:01:42,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 06:01:42,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 06:01:42,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 06:01:42,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 06:01:42,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 06:01:42,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... [2020-10-16 06:01:42,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 06:01:42,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 06:01:42,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 06:01:42,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 06:01:42,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 06:01:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-16 06:01:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-16 06:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-16 06:01:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-16 06:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 06:01:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-16 06:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 06:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 06:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-16 06:01:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 06:01:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 06:01:42,701 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 06:01:43,082 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 06:01:43,082 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-16 06:01:43,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:01:43 BoogieIcfgContainer [2020-10-16 06:01:43,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 06:01:43,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 06:01:43,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 06:01:43,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 06:01:43,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 06:01:41" (1/3) ... [2020-10-16 06:01:43,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175eca75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:01:43, skipping insertion in model container [2020-10-16 06:01:43,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 06:01:42" (2/3) ... [2020-10-16 06:01:43,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175eca75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 06:01:43, skipping insertion in model container [2020-10-16 06:01:43,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 06:01:43" (3/3) ... [2020-10-16 06:01:43,093 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-10-16 06:01:43,105 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 06:01:43,112 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 06:01:43,113 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 06:01:43,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,143 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,143 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,144 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,144 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,146 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,146 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,147 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,147 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,148 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,151 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,152 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,152 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,152 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,153 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,153 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,153 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,153 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,153 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,153 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,159 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,159 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,160 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,160 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:43,177 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 06:01:43,194 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:01:43,195 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:01:43,195 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:01:43,195 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:01:43,195 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:01:43,195 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:01:43,196 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:01:43,196 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:01:43,209 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 06:01:43,261 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 06:01:43,261 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:01:43,267 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 116 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-16 06:01:43,267 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 76 transitions, 162 flow [2020-10-16 06:01:43,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 75 transitions, 158 flow [2020-10-16 06:01:43,276 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:01:43,279 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 06:01:43,282 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 75 transitions, 158 flow [2020-10-16 06:01:43,282 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 158 flow [2020-10-16 06:01:43,308 INFO L129 PetriNetUnfolder]: 6/86 cut-off events. [2020-10-16 06:01:43,309 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:01:43,310 INFO L80 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 86 events. 6/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 113 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 60. Up to 4 conditions per place. [2020-10-16 06:01:43,313 INFO L117 LiptonReduction]: Number of co-enabled transitions 1242 [2020-10-16 06:01:45,270 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2020-10-16 06:01:45,857 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-16 06:01:46,192 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 06:01:46,324 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:01:46,355 INFO L132 LiptonReduction]: Checked pairs total: 1210 [2020-10-16 06:01:46,356 INFO L134 LiptonReduction]: Total number of compositions: 86 [2020-10-16 06:01:46,358 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3084 [2020-10-16 06:01:46,363 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 06:01:46,363 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:01:46,364 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:46,365 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:01:46,365 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:01:46,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:46,370 INFO L82 PathProgramCache]: Analyzing trace with hash 317060, now seen corresponding path program 1 times [2020-10-16 06:01:46,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:46,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189049064] [2020-10-16 06:01:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:01:46,564 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189049064] [2020-10-16 06:01:46,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:46,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:01:46,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744082687] [2020-10-16 06:01:46,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:01:46,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:46,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:01:46,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:01:46,597 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 06:01:46,599 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states. [2020-10-16 06:01:46,599 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:46,599 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 06:01:46,600 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:46,650 INFO L129 PetriNetUnfolder]: 13/37 cut-off events. [2020-10-16 06:01:46,650 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:01:46,650 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 37 events. 13/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 101 event pairs, 4 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 69. Up to 19 conditions per place. [2020-10-16 06:01:46,652 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 7 selfloop transitions, 2 changer transitions 0/14 dead transitions. [2020-10-16 06:01:46,652 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 14 transitions, 54 flow [2020-10-16 06:01:46,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:01:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:01:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 283 transitions. [2020-10-16 06:01:46,669 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5823045267489712 [2020-10-16 06:01:46,670 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 283 transitions. [2020-10-16 06:01:46,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 283 transitions. [2020-10-16 06:01:46,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:46,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 283 transitions. [2020-10-16 06:01:46,680 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:01:46,687 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:01:46,687 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:01:46,689 INFO L185 Difference]: Start difference. First operand has 17 places, 11 transitions, 30 flow. Second operand 3 states and 283 transitions. [2020-10-16 06:01:46,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 14 transitions, 54 flow [2020-10-16 06:01:46,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 53 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:01:46,695 INFO L241 Difference]: Finished difference. Result has 19 places, 11 transitions, 37 flow [2020-10-16 06:01:46,698 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2020-10-16 06:01:46,699 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 2 predicate places. [2020-10-16 06:01:46,699 INFO L481 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 37 flow [2020-10-16 06:01:46,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:01:46,699 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:46,699 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:46,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 06:01:46,700 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:01:46,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:46,700 INFO L82 PathProgramCache]: Analyzing trace with hash 720661308, now seen corresponding path program 1 times [2020-10-16 06:01:46,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:46,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775771441] [2020-10-16 06:01:46,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:01:46,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775771441] [2020-10-16 06:01:46,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:46,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 06:01:46,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879091300] [2020-10-16 06:01:46,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 06:01:46,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:46,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 06:01:46,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-16 06:01:46,833 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 162 [2020-10-16 06:01:46,834 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states. [2020-10-16 06:01:46,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:46,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 162 [2020-10-16 06:01:46,834 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:46,864 INFO L129 PetriNetUnfolder]: 11/32 cut-off events. [2020-10-16 06:01:46,864 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-16 06:01:46,865 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 32 events. 11/32 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 83 event pairs, 4 based on Foata normal form. 3/26 useless extension candidates. Maximal degree in co-relation 71. Up to 14 conditions per place. [2020-10-16 06:01:46,865 INFO L132 encePairwiseOnDemand]: 159/162 looper letters, 4 selfloop transitions, 2 changer transitions 2/13 dead transitions. [2020-10-16 06:01:46,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 55 flow [2020-10-16 06:01:46,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 06:01:46,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-16 06:01:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 373 transitions. [2020-10-16 06:01:46,869 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.5756172839506173 [2020-10-16 06:01:46,870 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 373 transitions. [2020-10-16 06:01:46,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 373 transitions. [2020-10-16 06:01:46,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:46,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 373 transitions. [2020-10-16 06:01:46,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-10-16 06:01:46,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 5 states. [2020-10-16 06:01:46,875 INFO L81 ComplementDD]: Finished complementDD. Result 5 states. [2020-10-16 06:01:46,875 INFO L185 Difference]: Start difference. First operand has 19 places, 11 transitions, 37 flow. Second operand 4 states and 373 transitions. [2020-10-16 06:01:46,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 55 flow [2020-10-16 06:01:46,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 13 transitions, 49 flow, removed 0 selfloop flow, removed 3 redundant places. [2020-10-16 06:01:46,876 INFO L241 Difference]: Finished difference. Result has 18 places, 9 transitions, 29 flow [2020-10-16 06:01:46,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=162, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=10, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=29, PETRI_PLACES=18, PETRI_TRANSITIONS=9} [2020-10-16 06:01:46,877 INFO L342 CegarLoopForPetriNet]: 17 programPoint places, 1 predicate places. [2020-10-16 06:01:46,878 INFO L481 AbstractCegarLoop]: Abstraction has has 18 places, 9 transitions, 29 flow [2020-10-16 06:01:46,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 06:01:46,878 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:46,878 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:46,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 06:01:46,879 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:01:46,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:46,879 INFO L82 PathProgramCache]: Analyzing trace with hash 865633674, now seen corresponding path program 1 times [2020-10-16 06:01:46,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:46,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734448926] [2020-10-16 06:01:46,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:01:46,931 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:01:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:01:46,964 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:01:47,007 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:01:47,008 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:01:47,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 06:01:47,008 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:01:47,009 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:01:47,010 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-16 06:01:47,020 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,020 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,020 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,021 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,021 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,021 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,022 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,022 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,023 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,023 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,023 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,024 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,024 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,025 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,025 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,026 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,026 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,028 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,028 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,028 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,029 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,030 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,030 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,030 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,031 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,031 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,032 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,032 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,033 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,033 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,034 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,034 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,034 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,035 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,035 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,035 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,035 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,035 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,035 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,036 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,037 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,037 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,038 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,038 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,038 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,038 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,038 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,038 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,039 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,039 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,040 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,040 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,041 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,041 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,041 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,042 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,043 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,043 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,043 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:47,045 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-16 06:01:47,045 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:01:47,045 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:01:47,045 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:01:47,046 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:01:47,046 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:01:47,046 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:01:47,046 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:01:47,046 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:01:47,049 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 06:01:47,071 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 06:01:47,071 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 06:01:47,073 INFO L80 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 225 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 129. Up to 6 conditions per place. [2020-10-16 06:01:47,073 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 105 transitions, 234 flow [2020-10-16 06:01:47,074 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 94 transitions, 203 flow [2020-10-16 06:01:47,075 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:01:47,075 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 06:01:47,075 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 94 transitions, 203 flow [2020-10-16 06:01:47,075 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 95 places, 94 transitions, 203 flow [2020-10-16 06:01:47,097 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2020-10-16 06:01:47,097 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 06:01:47,098 INFO L80 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 120 events. 9/120 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 219 event pairs, 0 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 98. Up to 6 conditions per place. [2020-10-16 06:01:47,101 INFO L117 LiptonReduction]: Number of co-enabled transitions 2844 [2020-10-16 06:01:48,913 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 06:01:49,430 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-16 06:01:49,815 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 06:01:50,060 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 06:01:50,066 INFO L132 LiptonReduction]: Checked pairs total: 3948 [2020-10-16 06:01:50,066 INFO L134 LiptonReduction]: Total number of compositions: 91 [2020-10-16 06:01:50,066 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2992 [2020-10-16 06:01:50,068 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2020-10-16 06:01:50,068 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:01:50,068 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:50,068 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:01:50,068 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:50,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:50,069 INFO L82 PathProgramCache]: Analyzing trace with hash 540308, now seen corresponding path program 1 times [2020-10-16 06:01:50,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:50,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859011620] [2020-10-16 06:01:50,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:01:50,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859011620] [2020-10-16 06:01:50,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:50,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:01:50,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330077127] [2020-10-16 06:01:50,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:01:50,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:50,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:01:50,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:01:50,112 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 196 [2020-10-16 06:01:50,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states. [2020-10-16 06:01:50,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:50,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 196 [2020-10-16 06:01:50,113 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:50,208 INFO L129 PetriNetUnfolder]: 232/416 cut-off events. [2020-10-16 06:01:50,209 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 06:01:50,210 INFO L80 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 416 events. 232/416 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2207 event pairs, 101 based on Foata normal form. 30/308 useless extension candidates. Maximal degree in co-relation 776. Up to 189 conditions per place. [2020-10-16 06:01:50,213 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 17 selfloop transitions, 3 changer transitions 0/31 dead transitions. [2020-10-16 06:01:50,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 31 transitions, 117 flow [2020-10-16 06:01:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:01:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:01:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions. [2020-10-16 06:01:50,217 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7227891156462585 [2020-10-16 06:01:50,217 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 425 transitions. [2020-10-16 06:01:50,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions. [2020-10-16 06:01:50,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:50,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions. [2020-10-16 06:01:50,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:01:50,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:01:50,222 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:01:50,222 INFO L185 Difference]: Start difference. First operand has 28 places, 23 transitions, 61 flow. Second operand 3 states and 425 transitions. [2020-10-16 06:01:50,222 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 31 transitions, 117 flow [2020-10-16 06:01:50,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 31 transitions, 114 flow, removed 1 selfloop flow, removed 1 redundant places. [2020-10-16 06:01:50,224 INFO L241 Difference]: Finished difference. Result has 30 places, 24 transitions, 75 flow [2020-10-16 06:01:50,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=30, PETRI_TRANSITIONS=24} [2020-10-16 06:01:50,224 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 2 predicate places. [2020-10-16 06:01:50,224 INFO L481 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 75 flow [2020-10-16 06:01:50,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:01:50,225 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:50,225 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:50,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 06:01:50,225 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:50,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:50,226 INFO L82 PathProgramCache]: Analyzing trace with hash 352870369, now seen corresponding path program 1 times [2020-10-16 06:01:50,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:50,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675983396] [2020-10-16 06:01:50,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:50,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:01:50,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675983396] [2020-10-16 06:01:50,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:50,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:01:50,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138616342] [2020-10-16 06:01:50,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:01:50,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:50,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:01:50,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:01:50,287 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 196 [2020-10-16 06:01:50,288 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 75 flow. Second operand 5 states. [2020-10-16 06:01:50,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:50,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 196 [2020-10-16 06:01:50,288 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:50,469 INFO L129 PetriNetUnfolder]: 294/568 cut-off events. [2020-10-16 06:01:50,470 INFO L130 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2020-10-16 06:01:50,472 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1211 conditions, 568 events. 294/568 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3381 event pairs, 69 based on Foata normal form. 14/507 useless extension candidates. Maximal degree in co-relation 1199. Up to 122 conditions per place. [2020-10-16 06:01:50,477 INFO L132 encePairwiseOnDemand]: 191/196 looper letters, 31 selfloop transitions, 7 changer transitions 0/47 dead transitions. [2020-10-16 06:01:50,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 47 transitions, 204 flow [2020-10-16 06:01:50,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:01:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:01:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 795 transitions. [2020-10-16 06:01:50,482 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6760204081632653 [2020-10-16 06:01:50,482 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 795 transitions. [2020-10-16 06:01:50,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 795 transitions. [2020-10-16 06:01:50,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:50,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 795 transitions. [2020-10-16 06:01:50,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:01:50,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:01:50,489 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:01:50,489 INFO L185 Difference]: Start difference. First operand has 30 places, 24 transitions, 75 flow. Second operand 6 states and 795 transitions. [2020-10-16 06:01:50,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 47 transitions, 204 flow [2020-10-16 06:01:50,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 47 transitions, 200 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:01:50,492 INFO L241 Difference]: Finished difference. Result has 37 places, 27 transitions, 111 flow [2020-10-16 06:01:50,493 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=111, PETRI_PLACES=37, PETRI_TRANSITIONS=27} [2020-10-16 06:01:50,493 INFO L342 CegarLoopForPetriNet]: 28 programPoint places, 9 predicate places. [2020-10-16 06:01:50,493 INFO L481 AbstractCegarLoop]: Abstraction has has 37 places, 27 transitions, 111 flow [2020-10-16 06:01:50,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:01:50,494 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:50,494 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:50,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 06:01:50,494 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:50,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:50,495 INFO L82 PathProgramCache]: Analyzing trace with hash -856951799, now seen corresponding path program 1 times [2020-10-16 06:01:50,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:50,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159197241] [2020-10-16 06:01:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:01:50,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:01:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:01:50,527 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:01:50,534 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:01:50,534 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:01:50,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 06:01:50,534 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:01:50,535 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:01:50,537 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-16 06:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,551 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,551 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,552 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,552 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,553 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,553 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,554 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,554 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,555 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,555 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,555 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,556 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,556 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,556 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,557 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,557 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,557 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,558 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,558 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,559 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,559 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,560 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,560 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,561 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,561 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,562 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,562 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,562 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,562 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,563 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,563 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,563 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,563 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,563 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,564 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,564 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,564 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,564 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,566 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,566 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,567 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,571 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,571 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,572 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,572 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,576 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,577 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,577 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,578 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,578 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,579 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,580 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,581 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,581 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,582 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,582 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,584 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,584 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,585 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,586 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,586 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,587 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,587 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,588 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,588 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,589 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,589 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:50,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-16 06:01:50,591 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:01:50,591 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:01:50,591 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:01:50,591 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:01:50,591 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:01:50,591 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:01:50,591 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:01:50,591 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:01:50,594 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 06:01:50,612 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 06:01:50,612 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 06:01:50,614 INFO L80 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 319 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 168. Up to 8 conditions per place. [2020-10-16 06:01:50,614 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 134 transitions, 310 flow [2020-10-16 06:01:50,616 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 113 transitions, 250 flow [2020-10-16 06:01:50,616 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:01:50,616 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 06:01:50,616 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 113 transitions, 250 flow [2020-10-16 06:01:50,616 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 114 places, 113 transitions, 250 flow [2020-10-16 06:01:50,633 INFO L129 PetriNetUnfolder]: 12/154 cut-off events. [2020-10-16 06:01:50,633 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 06:01:50,635 INFO L80 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 154 events. 12/154 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 323 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 137. Up to 8 conditions per place. [2020-10-16 06:01:50,641 INFO L117 LiptonReduction]: Number of co-enabled transitions 5130 [2020-10-16 06:01:53,366 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-10-16 06:01:53,527 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-10-16 06:01:53,865 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 06:01:53,979 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:01:53,989 INFO L132 LiptonReduction]: Checked pairs total: 8097 [2020-10-16 06:01:53,990 INFO L134 LiptonReduction]: Total number of compositions: 105 [2020-10-16 06:01:53,990 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3374 [2020-10-16 06:01:53,992 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:01:53,992 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:01:53,992 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:53,993 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:01:53,993 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:53,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:53,993 INFO L82 PathProgramCache]: Analyzing trace with hash 805963, now seen corresponding path program 1 times [2020-10-16 06:01:53,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:53,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084931746] [2020-10-16 06:01:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:01:54,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084931746] [2020-10-16 06:01:54,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:54,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:01:54,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182554040] [2020-10-16 06:01:54,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:01:54,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:54,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:01:54,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:01:54,047 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 239 [2020-10-16 06:01:54,047 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states. [2020-10-16 06:01:54,047 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:54,047 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 239 [2020-10-16 06:01:54,048 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:54,336 INFO L129 PetriNetUnfolder]: 1332/2109 cut-off events. [2020-10-16 06:01:54,336 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-16 06:01:54,343 INFO L80 FinitePrefix]: Finished finitePrefix Result has 3908 conditions, 2109 events. 1332/2109 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 12845 event pairs, 445 based on Foata normal form. 123/1561 useless extension candidates. Maximal degree in co-relation 3897. Up to 1132 conditions per place. [2020-10-16 06:01:54,358 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 22 selfloop transitions, 4 changer transitions 0/41 dead transitions. [2020-10-16 06:01:54,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 158 flow [2020-10-16 06:01:54,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:01:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:01:54,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 515 transitions. [2020-10-16 06:01:54,363 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7182705718270572 [2020-10-16 06:01:54,363 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 515 transitions. [2020-10-16 06:01:54,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 515 transitions. [2020-10-16 06:01:54,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:54,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 515 transitions. [2020-10-16 06:01:54,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:01:54,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:01:54,368 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:01:54,368 INFO L185 Difference]: Start difference. First operand has 36 places, 30 transitions, 84 flow. Second operand 3 states and 515 transitions. [2020-10-16 06:01:54,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 158 flow [2020-10-16 06:01:54,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 41 transitions, 151 flow, removed 3 selfloop flow, removed 1 redundant places. [2020-10-16 06:01:54,371 INFO L241 Difference]: Finished difference. Result has 38 places, 32 transitions, 101 flow [2020-10-16 06:01:54,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2020-10-16 06:01:54,371 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 2 predicate places. [2020-10-16 06:01:54,372 INFO L481 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 101 flow [2020-10-16 06:01:54,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:01:54,372 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:54,372 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:54,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-16 06:01:54,373 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:54,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:54,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1413719848, now seen corresponding path program 1 times [2020-10-16 06:01:54,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:54,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142789628] [2020-10-16 06:01:54,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:01:54,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142789628] [2020-10-16 06:01:54,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:54,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:01:54,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325727267] [2020-10-16 06:01:54,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:01:54,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:54,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:01:54,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:01:54,442 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 239 [2020-10-16 06:01:54,443 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 101 flow. Second operand 5 states. [2020-10-16 06:01:54,443 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:54,444 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 239 [2020-10-16 06:01:54,444 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:54,890 INFO L129 PetriNetUnfolder]: 2021/3323 cut-off events. [2020-10-16 06:01:54,890 INFO L130 PetriNetUnfolder]: For 201/201 co-relation queries the response was YES. [2020-10-16 06:01:54,900 INFO L80 FinitePrefix]: Finished finitePrefix Result has 7099 conditions, 3323 events. 2021/3323 cut-off events. For 201/201 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 23287 event pairs, 349 based on Foata normal form. 46/2866 useless extension candidates. Maximal degree in co-relation 7086. Up to 969 conditions per place. [2020-10-16 06:01:54,922 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 49 selfloop transitions, 10 changer transitions 0/72 dead transitions. [2020-10-16 06:01:54,922 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 72 transitions, 317 flow [2020-10-16 06:01:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:01:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:01:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 984 transitions. [2020-10-16 06:01:54,926 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6861924686192469 [2020-10-16 06:01:54,926 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 984 transitions. [2020-10-16 06:01:54,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 984 transitions. [2020-10-16 06:01:54,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:54,928 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 984 transitions. [2020-10-16 06:01:54,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:01:54,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:01:54,933 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:01:54,933 INFO L185 Difference]: Start difference. First operand has 38 places, 32 transitions, 101 flow. Second operand 6 states and 984 transitions. [2020-10-16 06:01:54,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 72 transitions, 317 flow [2020-10-16 06:01:54,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 72 transitions, 311 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:01:54,937 INFO L241 Difference]: Finished difference. Result has 45 places, 38 transitions, 162 flow [2020-10-16 06:01:54,937 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=162, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2020-10-16 06:01:54,937 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 9 predicate places. [2020-10-16 06:01:54,937 INFO L481 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 162 flow [2020-10-16 06:01:54,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:01:54,938 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:54,938 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:54,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-16 06:01:54,938 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:54,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:54,939 INFO L82 PathProgramCache]: Analyzing trace with hash -644600028, now seen corresponding path program 1 times [2020-10-16 06:01:54,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:54,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823304346] [2020-10-16 06:01:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:54,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 06:01:54,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823304346] [2020-10-16 06:01:54,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:54,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:01:54,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071372287] [2020-10-16 06:01:54,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:01:54,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:54,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:01:54,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:01:54,988 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 239 [2020-10-16 06:01:54,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 162 flow. Second operand 5 states. [2020-10-16 06:01:54,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:54,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 239 [2020-10-16 06:01:54,989 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:55,507 INFO L129 PetriNetUnfolder]: 2478/4324 cut-off events. [2020-10-16 06:01:55,508 INFO L130 PetriNetUnfolder]: For 2132/2132 co-relation queries the response was YES. [2020-10-16 06:01:55,524 INFO L80 FinitePrefix]: Finished finitePrefix Result has 10205 conditions, 4324 events. 2478/4324 cut-off events. For 2132/2132 co-relation queries the response was YES. Maximal size of possible extension queue 520. Compared 33222 event pairs, 472 based on Foata normal form. 69/3788 useless extension candidates. Maximal degree in co-relation 10188. Up to 1341 conditions per place. [2020-10-16 06:01:55,553 INFO L132 encePairwiseOnDemand]: 233/239 looper letters, 55 selfloop transitions, 15 changer transitions 0/83 dead transitions. [2020-10-16 06:01:55,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 83 transitions, 467 flow [2020-10-16 06:01:55,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:01:55,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:01:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 997 transitions. [2020-10-16 06:01:55,558 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6952580195258019 [2020-10-16 06:01:55,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 997 transitions. [2020-10-16 06:01:55,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 997 transitions. [2020-10-16 06:01:55,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:55,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 997 transitions. [2020-10-16 06:01:55,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:01:55,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:01:55,568 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:01:55,568 INFO L185 Difference]: Start difference. First operand has 45 places, 38 transitions, 162 flow. Second operand 6 states and 997 transitions. [2020-10-16 06:01:55,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 83 transitions, 467 flow [2020-10-16 06:01:55,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 83 transitions, 446 flow, removed 4 selfloop flow, removed 2 redundant places. [2020-10-16 06:01:55,592 INFO L241 Difference]: Finished difference. Result has 51 places, 47 transitions, 264 flow [2020-10-16 06:01:55,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=264, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2020-10-16 06:01:55,593 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 15 predicate places. [2020-10-16 06:01:55,593 INFO L481 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 264 flow [2020-10-16 06:01:55,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:01:55,593 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:55,593 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:55,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-16 06:01:55,593 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:55,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:55,594 INFO L82 PathProgramCache]: Analyzing trace with hash -370201206, now seen corresponding path program 1 times [2020-10-16 06:01:55,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:55,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737407141] [2020-10-16 06:01:55,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:01:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:01:55,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737407141] [2020-10-16 06:01:55,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:01:55,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:01:55,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750919524] [2020-10-16 06:01:55,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:01:55,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:01:55,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:01:55,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:01:55,628 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 239 [2020-10-16 06:01:55,629 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states. [2020-10-16 06:01:55,629 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:01:55,629 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 239 [2020-10-16 06:01:55,629 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:01:55,671 INFO L129 PetriNetUnfolder]: 38/201 cut-off events. [2020-10-16 06:01:55,671 INFO L130 PetriNetUnfolder]: For 149/169 co-relation queries the response was YES. [2020-10-16 06:01:55,672 INFO L80 FinitePrefix]: Finished finitePrefix Result has 496 conditions, 201 events. 38/201 cut-off events. For 149/169 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1117 event pairs, 18 based on Foata normal form. 17/190 useless extension candidates. Maximal degree in co-relation 476. Up to 52 conditions per place. [2020-10-16 06:01:55,674 INFO L132 encePairwiseOnDemand]: 231/239 looper letters, 1 selfloop transitions, 8 changer transitions 0/43 dead transitions. [2020-10-16 06:01:55,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 43 transitions, 240 flow [2020-10-16 06:01:55,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:01:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:01:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 531 transitions. [2020-10-16 06:01:55,677 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7405857740585774 [2020-10-16 06:01:55,677 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 531 transitions. [2020-10-16 06:01:55,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 531 transitions. [2020-10-16 06:01:55,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:01:55,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 531 transitions. [2020-10-16 06:01:55,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:01:55,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:01:55,681 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:01:55,681 INFO L185 Difference]: Start difference. First operand has 51 places, 47 transitions, 264 flow. Second operand 3 states and 531 transitions. [2020-10-16 06:01:55,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 43 transitions, 240 flow [2020-10-16 06:01:55,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 43 transitions, 212 flow, removed 7 selfloop flow, removed 3 redundant places. [2020-10-16 06:01:55,685 INFO L241 Difference]: Finished difference. Result has 50 places, 43 transitions, 210 flow [2020-10-16 06:01:55,685 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=50, PETRI_TRANSITIONS=43} [2020-10-16 06:01:55,685 INFO L342 CegarLoopForPetriNet]: 36 programPoint places, 14 predicate places. [2020-10-16 06:01:55,685 INFO L481 AbstractCegarLoop]: Abstraction has has 50 places, 43 transitions, 210 flow [2020-10-16 06:01:55,685 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:01:55,685 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:01:55,686 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:01:55,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-16 06:01:55,686 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:01:55,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:01:55,686 INFO L82 PathProgramCache]: Analyzing trace with hash -68822273, now seen corresponding path program 1 times [2020-10-16 06:01:55,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:01:55,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879139039] [2020-10-16 06:01:55,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:01:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:01:55,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:01:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:01:55,710 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:01:55,718 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:01:55,718 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:01:55,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-16 06:01:55,719 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:01:55,719 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:01:55,720 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-16 06:01:55,732 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,733 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,733 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,734 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,735 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,735 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,736 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,736 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,737 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,738 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,738 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,739 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,739 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,740 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,740 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,741 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,741 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,742 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,742 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,743 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,744 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,744 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,745 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,747 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,751 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,751 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,751 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,751 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,751 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,751 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,752 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,752 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,752 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,752 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,753 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,754 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,754 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,754 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,755 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,755 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,756 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,757 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,757 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,758 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,758 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,759 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,760 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,760 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,761 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,761 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,765 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,769 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,769 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:01:55,770 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-16 06:01:55,770 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:01:55,770 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:01:55,771 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:01:55,771 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:01:55,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:01:55,771 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:01:55,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:01:55,771 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:01:55,773 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 06:01:55,790 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 06:01:55,791 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 06:01:55,792 INFO L80 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 421 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 208. Up to 10 conditions per place. [2020-10-16 06:01:55,793 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 163 transitions, 390 flow [2020-10-16 06:01:55,794 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 132 transitions, 299 flow [2020-10-16 06:01:55,795 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:01:55,795 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 06:01:55,795 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 132 transitions, 299 flow [2020-10-16 06:01:55,795 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 133 places, 132 transitions, 299 flow [2020-10-16 06:01:55,813 INFO L129 PetriNetUnfolder]: 15/188 cut-off events. [2020-10-16 06:01:55,813 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 06:01:55,815 INFO L80 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 188 events. 15/188 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 452 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 177. Up to 10 conditions per place. [2020-10-16 06:01:55,825 INFO L117 LiptonReduction]: Number of co-enabled transitions 8100 [2020-10-16 06:01:58,973 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 58 [2020-10-16 06:01:59,186 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-16 06:01:59,329 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-16 06:01:59,602 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-16 06:01:59,762 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:02:00,074 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2020-10-16 06:02:00,190 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:02:00,202 INFO L132 LiptonReduction]: Checked pairs total: 15232 [2020-10-16 06:02:00,202 INFO L134 LiptonReduction]: Total number of compositions: 127 [2020-10-16 06:02:00,203 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4408 [2020-10-16 06:02:00,204 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:02:00,204 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:00,205 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:00,205 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:02:00,205 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:00,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:00,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1122017, now seen corresponding path program 1 times [2020-10-16 06:02:00,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:00,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845131872] [2020-10-16 06:02:00,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:02:00,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845131872] [2020-10-16 06:02:00,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:00,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:02:00,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58602397] [2020-10-16 06:02:00,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:00,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:00,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:00,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:00,233 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 290 [2020-10-16 06:02:00,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states. [2020-10-16 06:02:00,233 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:00,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 290 [2020-10-16 06:02:00,234 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:00,941 INFO L129 PetriNetUnfolder]: 6379/9198 cut-off events. [2020-10-16 06:02:00,942 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-16 06:02:00,971 INFO L80 FinitePrefix]: Finished finitePrefix Result has 17099 conditions, 9198 events. 6379/9198 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58999 event pairs, 1757 based on Foata normal form. 377/6682 useless extension candidates. Maximal degree in co-relation 17087. Up to 5499 conditions per place. [2020-10-16 06:02:01,026 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 27 selfloop transitions, 5 changer transitions 0/51 dead transitions. [2020-10-16 06:02:01,026 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 51 transitions, 201 flow [2020-10-16 06:02:01,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:01,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 602 transitions. [2020-10-16 06:02:01,029 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919540229885057 [2020-10-16 06:02:01,029 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 602 transitions. [2020-10-16 06:02:01,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 602 transitions. [2020-10-16 06:02:01,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:01,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 602 transitions. [2020-10-16 06:02:01,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:01,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:01,033 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:01,034 INFO L185 Difference]: Start difference. First operand has 44 places, 37 transitions, 109 flow. Second operand 3 states and 602 transitions. [2020-10-16 06:02:01,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 51 transitions, 201 flow [2020-10-16 06:02:01,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 51 transitions, 188 flow, removed 6 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:01,036 INFO L241 Difference]: Finished difference. Result has 46 places, 40 transitions, 127 flow [2020-10-16 06:02:01,036 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=46, PETRI_TRANSITIONS=40} [2020-10-16 06:02:01,036 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2020-10-16 06:02:01,036 INFO L481 AbstractCegarLoop]: Abstraction has has 46 places, 40 transitions, 127 flow [2020-10-16 06:02:01,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:01,037 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:01,037 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:01,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-16 06:02:01,037 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:01,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:01,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1860053548, now seen corresponding path program 1 times [2020-10-16 06:02:01,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:01,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347225964] [2020-10-16 06:02:01,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:02:01,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347225964] [2020-10-16 06:02:01,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:01,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:01,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324264087] [2020-10-16 06:02:01,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:01,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:01,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:01,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:01,086 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 290 [2020-10-16 06:02:01,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 40 transitions, 127 flow. Second operand 5 states. [2020-10-16 06:02:01,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:01,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 290 [2020-10-16 06:02:01,087 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:02,181 INFO L129 PetriNetUnfolder]: 9931/15687 cut-off events. [2020-10-16 06:02:02,181 INFO L130 PetriNetUnfolder]: For 1212/1212 co-relation queries the response was YES. [2020-10-16 06:02:02,230 INFO L80 FinitePrefix]: Finished finitePrefix Result has 32998 conditions, 15687 events. 9931/15687 cut-off events. For 1212/1212 co-relation queries the response was YES. Maximal size of possible extension queue 1283. Compared 125197 event pairs, 1440 based on Foata normal form. 178/13399 useless extension candidates. Maximal degree in co-relation 32984. Up to 5255 conditions per place. [2020-10-16 06:02:02,314 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 59 selfloop transitions, 14 changer transitions 0/90 dead transitions. [2020-10-16 06:02:02,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 90 transitions, 398 flow [2020-10-16 06:02:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:02,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1178 transitions. [2020-10-16 06:02:02,319 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6770114942528735 [2020-10-16 06:02:02,319 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1178 transitions. [2020-10-16 06:02:02,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1178 transitions. [2020-10-16 06:02:02,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:02,320 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1178 transitions. [2020-10-16 06:02:02,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:02,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:02,326 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:02,326 INFO L185 Difference]: Start difference. First operand has 46 places, 40 transitions, 127 flow. Second operand 6 states and 1178 transitions. [2020-10-16 06:02:02,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 90 transitions, 398 flow [2020-10-16 06:02:02,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 90 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:02,336 INFO L241 Difference]: Finished difference. Result has 53 places, 49 transitions, 214 flow [2020-10-16 06:02:02,336 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=214, PETRI_PLACES=53, PETRI_TRANSITIONS=49} [2020-10-16 06:02:02,337 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 9 predicate places. [2020-10-16 06:02:02,337 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 214 flow [2020-10-16 06:02:02,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:02,337 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:02,337 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:02,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-16 06:02:02,338 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:02,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1896011785, now seen corresponding path program 1 times [2020-10-16 06:02:02,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:02,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033488277] [2020-10-16 06:02:02,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 06:02:02,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033488277] [2020-10-16 06:02:02,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:02,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:02,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879652414] [2020-10-16 06:02:02,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:02,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:02,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:02,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:02,389 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 290 [2020-10-16 06:02:02,390 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 214 flow. Second operand 5 states. [2020-10-16 06:02:02,390 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:02,390 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 290 [2020-10-16 06:02:02,390 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:04,759 INFO L129 PetriNetUnfolder]: 13700/22135 cut-off events. [2020-10-16 06:02:04,759 INFO L130 PetriNetUnfolder]: For 11913/11913 co-relation queries the response was YES. [2020-10-16 06:02:04,851 INFO L80 FinitePrefix]: Finished finitePrefix Result has 54319 conditions, 22135 events. 13700/22135 cut-off events. For 11913/11913 co-relation queries the response was YES. Maximal size of possible extension queue 1986. Compared 190781 event pairs, 2481 based on Foata normal form. 220/18703 useless extension candidates. Maximal degree in co-relation 54301. Up to 7979 conditions per place. [2020-10-16 06:02:04,952 INFO L132 encePairwiseOnDemand]: 283/290 looper letters, 69 selfloop transitions, 20 changer transitions 0/106 dead transitions. [2020-10-16 06:02:04,952 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 106 transitions, 612 flow [2020-10-16 06:02:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:04,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1168 transitions. [2020-10-16 06:02:04,956 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.671264367816092 [2020-10-16 06:02:04,956 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1168 transitions. [2020-10-16 06:02:04,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1168 transitions. [2020-10-16 06:02:04,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:04,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1168 transitions. [2020-10-16 06:02:04,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:04,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:04,962 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:04,963 INFO L185 Difference]: Start difference. First operand has 53 places, 49 transitions, 214 flow. Second operand 6 states and 1168 transitions. [2020-10-16 06:02:04,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 106 transitions, 612 flow [2020-10-16 06:02:05,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 106 transitions, 581 flow, removed 6 selfloop flow, removed 2 redundant places. [2020-10-16 06:02:05,106 INFO L241 Difference]: Finished difference. Result has 59 places, 61 transitions, 346 flow [2020-10-16 06:02:05,106 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=346, PETRI_PLACES=59, PETRI_TRANSITIONS=61} [2020-10-16 06:02:05,107 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 15 predicate places. [2020-10-16 06:02:05,107 INFO L481 AbstractCegarLoop]: Abstraction has has 59 places, 61 transitions, 346 flow [2020-10-16 06:02:05,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:05,107 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:05,107 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:05,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-16 06:02:05,107 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:05,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:05,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1772421434, now seen corresponding path program 1 times [2020-10-16 06:02:05,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:05,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448378589] [2020-10-16 06:02:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:05,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:02:05,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448378589] [2020-10-16 06:02:05,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:05,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:05,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134976885] [2020-10-16 06:02:05,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:05,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:05,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:05,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:05,142 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 290 [2020-10-16 06:02:05,142 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states. [2020-10-16 06:02:05,142 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:05,142 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 290 [2020-10-16 06:02:05,143 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:05,239 INFO L129 PetriNetUnfolder]: 193/738 cut-off events. [2020-10-16 06:02:05,239 INFO L130 PetriNetUnfolder]: For 544/668 co-relation queries the response was YES. [2020-10-16 06:02:05,242 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 738 events. 193/738 cut-off events. For 544/668 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 5579 event pairs, 74 based on Foata normal form. 109/730 useless extension candidates. Maximal degree in co-relation 1724. Up to 179 conditions per place. [2020-10-16 06:02:05,244 INFO L132 encePairwiseOnDemand]: 280/290 looper letters, 1 selfloop transitions, 10 changer transitions 0/57 dead transitions. [2020-10-16 06:02:05,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 57 transitions, 326 flow [2020-10-16 06:02:05,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 657 transitions. [2020-10-16 06:02:05,246 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7551724137931034 [2020-10-16 06:02:05,246 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 657 transitions. [2020-10-16 06:02:05,247 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 657 transitions. [2020-10-16 06:02:05,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:05,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 657 transitions. [2020-10-16 06:02:05,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:05,252 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:05,252 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:05,252 INFO L185 Difference]: Start difference. First operand has 59 places, 61 transitions, 346 flow. Second operand 3 states and 657 transitions. [2020-10-16 06:02:05,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 57 transitions, 326 flow [2020-10-16 06:02:05,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 57 transitions, 286 flow, removed 9 selfloop flow, removed 3 redundant places. [2020-10-16 06:02:05,262 INFO L241 Difference]: Finished difference. Result has 58 places, 57 transitions, 284 flow [2020-10-16 06:02:05,262 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=284, PETRI_PLACES=58, PETRI_TRANSITIONS=57} [2020-10-16 06:02:05,263 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 14 predicate places. [2020-10-16 06:02:05,263 INFO L481 AbstractCegarLoop]: Abstraction has has 58 places, 57 transitions, 284 flow [2020-10-16 06:02:05,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:05,263 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:05,263 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:05,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-16 06:02:05,263 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:05,264 INFO L82 PathProgramCache]: Analyzing trace with hash 2050839116, now seen corresponding path program 1 times [2020-10-16 06:02:05,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:05,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458751757] [2020-10-16 06:02:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:02:05,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458751757] [2020-10-16 06:02:05,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:05,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:05,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286570808] [2020-10-16 06:02:05,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:05,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:05,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:05,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:05,330 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 290 [2020-10-16 06:02:05,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 57 transitions, 284 flow. Second operand 5 states. [2020-10-16 06:02:05,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:05,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 290 [2020-10-16 06:02:05,331 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:06,363 INFO L129 PetriNetUnfolder]: 4990/10105 cut-off events. [2020-10-16 06:02:06,363 INFO L130 PetriNetUnfolder]: For 5258/5264 co-relation queries the response was YES. [2020-10-16 06:02:06,399 INFO L80 FinitePrefix]: Finished finitePrefix Result has 25869 conditions, 10105 events. 4990/10105 cut-off events. For 5258/5264 co-relation queries the response was YES. Maximal size of possible extension queue 1067. Compared 99393 event pairs, 842 based on Foata normal form. 161/8536 useless extension candidates. Maximal degree in co-relation 25850. Up to 3963 conditions per place. [2020-10-16 06:02:06,426 INFO L132 encePairwiseOnDemand]: 282/290 looper letters, 70 selfloop transitions, 26 changer transitions 0/113 dead transitions. [2020-10-16 06:02:06,426 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 113 transitions, 722 flow [2020-10-16 06:02:06,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1172 transitions. [2020-10-16 06:02:06,430 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6735632183908046 [2020-10-16 06:02:06,430 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1172 transitions. [2020-10-16 06:02:06,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1172 transitions. [2020-10-16 06:02:06,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:06,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1172 transitions. [2020-10-16 06:02:06,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:06,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:06,436 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:06,436 INFO L185 Difference]: Start difference. First operand has 58 places, 57 transitions, 284 flow. Second operand 6 states and 1172 transitions. [2020-10-16 06:02:06,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 113 transitions, 722 flow [2020-10-16 06:02:06,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 113 transitions, 703 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:06,512 INFO L241 Difference]: Finished difference. Result has 64 places, 70 transitions, 440 flow [2020-10-16 06:02:06,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=440, PETRI_PLACES=64, PETRI_TRANSITIONS=70} [2020-10-16 06:02:06,513 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 20 predicate places. [2020-10-16 06:02:06,513 INFO L481 AbstractCegarLoop]: Abstraction has has 64 places, 70 transitions, 440 flow [2020-10-16 06:02:06,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:06,513 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:06,513 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:06,513 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-16 06:02:06,513 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:06,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:06,514 INFO L82 PathProgramCache]: Analyzing trace with hash -560773882, now seen corresponding path program 1 times [2020-10-16 06:02:06,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:06,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104856609] [2020-10-16 06:02:06,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 06:02:06,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104856609] [2020-10-16 06:02:06,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329444090] [2020-10-16 06:02:06,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:02:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:06,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:02:06,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:02:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 06:02:06,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:02:06,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:02:06,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84538749] [2020-10-16 06:02:06,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:02:06,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:06,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:02:06,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:02:06,857 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 06:02:06,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 70 transitions, 440 flow. Second operand 12 states. [2020-10-16 06:02:06,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:06,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 06:02:06,859 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:08,045 INFO L129 PetriNetUnfolder]: 5514/10744 cut-off events. [2020-10-16 06:02:08,045 INFO L130 PetriNetUnfolder]: For 7674/7674 co-relation queries the response was YES. [2020-10-16 06:02:08,094 INFO L80 FinitePrefix]: Finished finitePrefix Result has 28649 conditions, 10744 events. 5514/10744 cut-off events. For 7674/7674 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 104750 event pairs, 623 based on Foata normal form. 51/8922 useless extension candidates. Maximal degree in co-relation 28626. Up to 2226 conditions per place. [2020-10-16 06:02:08,128 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 135 selfloop transitions, 40 changer transitions 0/190 dead transitions. [2020-10-16 06:02:08,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 190 transitions, 1275 flow [2020-10-16 06:02:08,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:02:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:02:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 06:02:08,136 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 06:02:08,136 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 06:02:08,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 06:02:08,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:08,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 06:02:08,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:02:08,148 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:02:08,149 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:02:08,149 INFO L185 Difference]: Start difference. First operand has 64 places, 70 transitions, 440 flow. Second operand 13 states and 2459 transitions. [2020-10-16 06:02:08,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 190 transitions, 1275 flow [2020-10-16 06:02:08,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 190 transitions, 1226 flow, removed 20 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:08,299 INFO L241 Difference]: Finished difference. Result has 77 places, 80 transitions, 574 flow [2020-10-16 06:02:08,300 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=574, PETRI_PLACES=77, PETRI_TRANSITIONS=80} [2020-10-16 06:02:08,300 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 33 predicate places. [2020-10-16 06:02:08,300 INFO L481 AbstractCegarLoop]: Abstraction has has 77 places, 80 transitions, 574 flow [2020-10-16 06:02:08,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:02:08,300 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:08,300 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:08,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-16 06:02:08,507 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:08,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:08,508 INFO L82 PathProgramCache]: Analyzing trace with hash -82463937, now seen corresponding path program 1 times [2020-10-16 06:02:08,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:08,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175256696] [2020-10-16 06:02:08,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 06:02:08,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175256696] [2020-10-16 06:02:08,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:08,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:02:08,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253720798] [2020-10-16 06:02:08,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:02:08,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:08,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:02:08,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:02:08,587 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 290 [2020-10-16 06:02:08,588 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 80 transitions, 574 flow. Second operand 7 states. [2020-10-16 06:02:08,588 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:08,588 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 290 [2020-10-16 06:02:08,588 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:09,851 INFO L129 PetriNetUnfolder]: 5625/11123 cut-off events. [2020-10-16 06:02:09,851 INFO L130 PetriNetUnfolder]: For 11750/11750 co-relation queries the response was YES. [2020-10-16 06:02:09,898 INFO L80 FinitePrefix]: Finished finitePrefix Result has 30896 conditions, 11123 events. 5625/11123 cut-off events. For 11750/11750 co-relation queries the response was YES. Maximal size of possible extension queue 1164. Compared 110284 event pairs, 624 based on Foata normal form. 51/9254 useless extension candidates. Maximal degree in co-relation 30870. Up to 2226 conditions per place. [2020-10-16 06:02:09,928 INFO L132 encePairwiseOnDemand]: 281/290 looper letters, 136 selfloop transitions, 45 changer transitions 0/196 dead transitions. [2020-10-16 06:02:09,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 196 transitions, 1408 flow [2020-10-16 06:02:09,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:02:09,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:02:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2459 transitions. [2020-10-16 06:02:09,933 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6522546419098143 [2020-10-16 06:02:09,933 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2459 transitions. [2020-10-16 06:02:09,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2459 transitions. [2020-10-16 06:02:09,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:09,935 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2459 transitions. [2020-10-16 06:02:09,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:02:09,943 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:02:09,943 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:02:09,943 INFO L185 Difference]: Start difference. First operand has 77 places, 80 transitions, 574 flow. Second operand 13 states and 2459 transitions. [2020-10-16 06:02:09,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 196 transitions, 1408 flow [2020-10-16 06:02:10,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 196 transitions, 1327 flow, removed 6 selfloop flow, removed 6 redundant places. [2020-10-16 06:02:10,194 INFO L241 Difference]: Finished difference. Result has 85 places, 88 transitions, 664 flow [2020-10-16 06:02:10,195 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=290, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=664, PETRI_PLACES=85, PETRI_TRANSITIONS=88} [2020-10-16 06:02:10,195 INFO L342 CegarLoopForPetriNet]: 44 programPoint places, 41 predicate places. [2020-10-16 06:02:10,195 INFO L481 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 664 flow [2020-10-16 06:02:10,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:02:10,195 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:10,195 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:10,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-16 06:02:10,196 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-16 06:02:10,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:10,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1035270842, now seen corresponding path program 1 times [2020-10-16 06:02:10,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:10,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601545963] [2020-10-16 06:02:10,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:10,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:02:10,215 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:02:10,223 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:02:10,224 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:02:10,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-16 06:02:10,224 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:02:10,224 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:02:10,225 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-16 06:02:10,240 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,241 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,241 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,241 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,242 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,242 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,243 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,243 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,243 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,244 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,244 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,245 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,245 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,245 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,245 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,246 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,246 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,247 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,247 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,248 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,249 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,249 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,250 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,251 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,252 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,253 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,253 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,254 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,254 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,254 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,255 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,255 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,255 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,256 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,257 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,260 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,262 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,262 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,262 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,263 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,263 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,263 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,263 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,263 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,263 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,263 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,273 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,274 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,274 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,274 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,275 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,275 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,275 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,276 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,276 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,276 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,276 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,277 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,277 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,277 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,277 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,277 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,278 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,279 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,279 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,279 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,279 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,280 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,280 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,280 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,281 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,281 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,282 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,282 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,282 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,282 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,283 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,284 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,284 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,284 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,284 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,285 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,286 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,286 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,288 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,288 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,289 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,289 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,289 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,290 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,291 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,291 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:02:10,292 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-16 06:02:10,293 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:02:10,293 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:02:10,293 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:02:10,293 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:02:10,293 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:02:10,293 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:02:10,293 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:02:10,293 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:02:10,295 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 06:02:10,316 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 06:02:10,316 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 06:02:10,318 INFO L80 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 541 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 249. Up to 12 conditions per place. [2020-10-16 06:02:10,319 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 192 transitions, 474 flow [2020-10-16 06:02:10,320 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:10,321 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:02:10,321 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:10,321 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:10,321 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 152 places, 151 transitions, 350 flow [2020-10-16 06:02:10,341 INFO L129 PetriNetUnfolder]: 18/222 cut-off events. [2020-10-16 06:02:10,341 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 06:02:10,343 INFO L80 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 222 events. 18/222 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 529 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 218. Up to 12 conditions per place. [2020-10-16 06:02:10,357 INFO L117 LiptonReduction]: Number of co-enabled transitions 11754 [2020-10-16 06:02:13,032 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 53 [2020-10-16 06:02:14,391 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-10-16 06:02:14,634 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2020-10-16 06:02:14,652 INFO L132 LiptonReduction]: Checked pairs total: 20347 [2020-10-16 06:02:14,652 INFO L134 LiptonReduction]: Total number of compositions: 144 [2020-10-16 06:02:14,652 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4331 [2020-10-16 06:02:14,654 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:02:14,655 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:02:14,655 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:14,655 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:02:14,655 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:14,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:14,655 INFO L82 PathProgramCache]: Analyzing trace with hash 1483897, now seen corresponding path program 1 times [2020-10-16 06:02:14,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:14,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556134653] [2020-10-16 06:02:14,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:02:14,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556134653] [2020-10-16 06:02:14,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:14,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:02:14,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678850828] [2020-10-16 06:02:14,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:14,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:14,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:14,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:14,683 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 336 [2020-10-16 06:02:14,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states. [2020-10-16 06:02:14,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:14,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 336 [2020-10-16 06:02:14,684 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:17,550 INFO L129 PetriNetUnfolder]: 30756/40583 cut-off events. [2020-10-16 06:02:17,550 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-16 06:02:17,687 INFO L80 FinitePrefix]: Finished finitePrefix Result has 76360 conditions, 40583 events. 30756/40583 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 2494. Compared 257712 event pairs, 6935 based on Foata normal form. 3422/31002 useless extension candidates. Maximal degree in co-relation 76347. Up to 27319 conditions per place. [2020-10-16 06:02:17,818 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 32 selfloop transitions, 6 changer transitions 0/60 dead transitions. [2020-10-16 06:02:17,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 244 flow [2020-10-16 06:02:17,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 727 transitions. [2020-10-16 06:02:17,820 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7212301587301587 [2020-10-16 06:02:17,821 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 727 transitions. [2020-10-16 06:02:17,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 727 transitions. [2020-10-16 06:02:17,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:17,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 727 transitions. [2020-10-16 06:02:17,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:17,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:17,823 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:17,824 INFO L185 Difference]: Start difference. First operand has 51 places, 44 transitions, 136 flow. Second operand 3 states and 727 transitions. [2020-10-16 06:02:17,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 244 flow [2020-10-16 06:02:17,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 60 transitions, 223 flow, removed 10 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:17,825 INFO L241 Difference]: Finished difference. Result has 53 places, 47 transitions, 151 flow [2020-10-16 06:02:17,825 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=151, PETRI_PLACES=53, PETRI_TRANSITIONS=47} [2020-10-16 06:02:17,825 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places. [2020-10-16 06:02:17,825 INFO L481 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 151 flow [2020-10-16 06:02:17,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:17,826 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:17,826 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:17,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-16 06:02:17,826 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:17,826 INFO L82 PathProgramCache]: Analyzing trace with hash 5774037, now seen corresponding path program 1 times [2020-10-16 06:02:17,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:17,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704869610] [2020-10-16 06:02:17,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:02:17,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704869610] [2020-10-16 06:02:17,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:17,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:17,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765162717] [2020-10-16 06:02:17,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:17,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:17,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:17,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:17,884 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 06:02:17,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 47 transitions, 151 flow. Second operand 5 states. [2020-10-16 06:02:17,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:17,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 06:02:17,885 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:24,142 INFO L129 PetriNetUnfolder]: 56549/76549 cut-off events. [2020-10-16 06:02:24,142 INFO L130 PetriNetUnfolder]: For 5640/5640 co-relation queries the response was YES. [2020-10-16 06:02:24,483 INFO L80 FinitePrefix]: Finished finitePrefix Result has 166845 conditions, 76549 events. 56549/76549 cut-off events. For 5640/5640 co-relation queries the response was YES. Maximal size of possible extension queue 5093. Compared 556547 event pairs, 8426 based on Foata normal form. 560/65163 useless extension candidates. Maximal degree in co-relation 166830. Up to 30773 conditions per place. [2020-10-16 06:02:24,840 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 73 selfloop transitions, 16 changer transitions 0/109 dead transitions. [2020-10-16 06:02:24,840 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 109 transitions, 485 flow [2020-10-16 06:02:24,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:24,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1428 transitions. [2020-10-16 06:02:24,843 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2020-10-16 06:02:24,843 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1428 transitions. [2020-10-16 06:02:24,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1428 transitions. [2020-10-16 06:02:24,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:24,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1428 transitions. [2020-10-16 06:02:24,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:24,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:24,848 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:24,848 INFO L185 Difference]: Start difference. First operand has 53 places, 47 transitions, 151 flow. Second operand 6 states and 1428 transitions. [2020-10-16 06:02:24,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 109 transitions, 485 flow [2020-10-16 06:02:24,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 109 transitions, 475 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:24,871 INFO L241 Difference]: Finished difference. Result has 60 places, 57 transitions, 250 flow [2020-10-16 06:02:24,871 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=250, PETRI_PLACES=60, PETRI_TRANSITIONS=57} [2020-10-16 06:02:24,871 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 9 predicate places. [2020-10-16 06:02:24,871 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 57 transitions, 250 flow [2020-10-16 06:02:24,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:24,871 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:24,871 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:24,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-16 06:02:24,872 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:24,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:24,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1046866640, now seen corresponding path program 1 times [2020-10-16 06:02:24,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:24,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29116950] [2020-10-16 06:02:24,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 06:02:24,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29116950] [2020-10-16 06:02:24,910 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:24,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:24,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309366951] [2020-10-16 06:02:24,911 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:24,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:24,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:24,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:24,913 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 336 [2020-10-16 06:02:24,914 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 57 transitions, 250 flow. Second operand 5 states. [2020-10-16 06:02:24,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:24,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 336 [2020-10-16 06:02:24,914 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:41,298 INFO L129 PetriNetUnfolder]: 84180/119472 cut-off events. [2020-10-16 06:02:41,298 INFO L130 PetriNetUnfolder]: For 57525/57525 co-relation queries the response was YES. [2020-10-16 06:02:41,805 INFO L80 FinitePrefix]: Finished finitePrefix Result has 293520 conditions, 119472 events. 84180/119472 cut-off events. For 57525/57525 co-relation queries the response was YES. Maximal size of possible extension queue 8871. Compared 1002870 event pairs, 12355 based on Foata normal form. 1222/104235 useless extension candidates. Maximal degree in co-relation 293501. Up to 53501 conditions per place. [2020-10-16 06:02:42,263 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 81 selfloop transitions, 26 changer transitions 0/127 dead transitions. [2020-10-16 06:02:42,263 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 727 flow [2020-10-16 06:02:42,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1410 transitions. [2020-10-16 06:02:42,266 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6994047619047619 [2020-10-16 06:02:42,266 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1410 transitions. [2020-10-16 06:02:42,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1410 transitions. [2020-10-16 06:02:42,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:42,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1410 transitions. [2020-10-16 06:02:42,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:42,271 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:42,271 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:42,271 INFO L185 Difference]: Start difference. First operand has 60 places, 57 transitions, 250 flow. Second operand 6 states and 1410 transitions. [2020-10-16 06:02:42,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 727 flow [2020-10-16 06:02:44,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 127 transitions, 686 flow, removed 8 selfloop flow, removed 2 redundant places. [2020-10-16 06:02:44,695 INFO L241 Difference]: Finished difference. Result has 66 places, 73 transitions, 419 flow [2020-10-16 06:02:44,695 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=419, PETRI_PLACES=66, PETRI_TRANSITIONS=73} [2020-10-16 06:02:44,696 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places. [2020-10-16 06:02:44,696 INFO L481 AbstractCegarLoop]: Abstraction has has 66 places, 73 transitions, 419 flow [2020-10-16 06:02:44,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:44,696 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:44,696 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:44,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-16 06:02:44,696 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:44,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:44,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1602843581, now seen corresponding path program 1 times [2020-10-16 06:02:44,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:44,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986492032] [2020-10-16 06:02:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:02:44,731 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986492032] [2020-10-16 06:02:44,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:44,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:44,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552175230] [2020-10-16 06:02:44,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:02:44,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:44,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:02:44,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:02:44,734 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 336 [2020-10-16 06:02:44,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states. [2020-10-16 06:02:44,735 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:44,735 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 336 [2020-10-16 06:02:44,735 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:45,014 INFO L129 PetriNetUnfolder]: 642/1994 cut-off events. [2020-10-16 06:02:45,014 INFO L130 PetriNetUnfolder]: For 1650/2082 co-relation queries the response was YES. [2020-10-16 06:02:45,026 INFO L80 FinitePrefix]: Finished finitePrefix Result has 4837 conditions, 1994 events. 642/1994 cut-off events. For 1650/2082 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 17457 event pairs, 228 based on Foata normal form. 491/2186 useless extension candidates. Maximal degree in co-relation 4815. Up to 534 conditions per place. [2020-10-16 06:02:45,031 INFO L132 encePairwiseOnDemand]: 323/336 looper letters, 1 selfloop transitions, 13 changer transitions 0/69 dead transitions. [2020-10-16 06:02:45,031 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 69 transitions, 405 flow [2020-10-16 06:02:45,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:02:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:02:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 742 transitions. [2020-10-16 06:02:45,034 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7361111111111112 [2020-10-16 06:02:45,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 742 transitions. [2020-10-16 06:02:45,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 742 transitions. [2020-10-16 06:02:45,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:45,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 742 transitions. [2020-10-16 06:02:45,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:02:45,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:02:45,037 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:02:45,038 INFO L185 Difference]: Start difference. First operand has 66 places, 73 transitions, 419 flow. Second operand 3 states and 742 transitions. [2020-10-16 06:02:45,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 69 transitions, 405 flow [2020-10-16 06:02:45,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 69 transitions, 353 flow, removed 11 selfloop flow, removed 3 redundant places. [2020-10-16 06:02:45,050 INFO L241 Difference]: Finished difference. Result has 65 places, 69 transitions, 351 flow [2020-10-16 06:02:45,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=65, PETRI_TRANSITIONS=69} [2020-10-16 06:02:45,051 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 14 predicate places. [2020-10-16 06:02:45,051 INFO L481 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 351 flow [2020-10-16 06:02:45,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:02:45,051 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:45,051 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:45,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-16 06:02:45,051 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:45,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:45,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1558755022, now seen corresponding path program 1 times [2020-10-16 06:02:45,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:45,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058855372] [2020-10-16 06:02:45,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:02:45,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058855372] [2020-10-16 06:02:45,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:45,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:45,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200515248] [2020-10-16 06:02:45,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:45,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:45,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:45,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:45,101 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 336 [2020-10-16 06:02:45,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 69 transitions, 351 flow. Second operand 5 states. [2020-10-16 06:02:45,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:45,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 336 [2020-10-16 06:02:45,102 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:48,139 INFO L129 PetriNetUnfolder]: 17273/31297 cut-off events. [2020-10-16 06:02:48,139 INFO L130 PetriNetUnfolder]: For 17564/17570 co-relation queries the response was YES. [2020-10-16 06:02:48,293 INFO L80 FinitePrefix]: Finished finitePrefix Result has 82431 conditions, 31297 events. 17273/31297 cut-off events. For 17564/17570 co-relation queries the response was YES. Maximal size of possible extension queue 2831. Compared 323748 event pairs, 2589 based on Foata normal form. 456/26429 useless extension candidates. Maximal degree in co-relation 82411. Up to 13740 conditions per place. [2020-10-16 06:02:48,385 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 87 selfloop transitions, 34 changer transitions 0/141 dead transitions. [2020-10-16 06:02:48,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 141 transitions, 911 flow [2020-10-16 06:02:48,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:02:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:02:48,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1421 transitions. [2020-10-16 06:02:48,387 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7048611111111112 [2020-10-16 06:02:48,387 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1421 transitions. [2020-10-16 06:02:48,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1421 transitions. [2020-10-16 06:02:48,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:48,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1421 transitions. [2020-10-16 06:02:48,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:02:48,392 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:02:48,392 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:02:48,392 INFO L185 Difference]: Start difference. First operand has 65 places, 69 transitions, 351 flow. Second operand 6 states and 1421 transitions. [2020-10-16 06:02:48,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 141 transitions, 911 flow [2020-10-16 06:02:48,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 141 transitions, 888 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:48,797 INFO L241 Difference]: Finished difference. Result has 71 places, 86 transitions, 558 flow [2020-10-16 06:02:48,797 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=558, PETRI_PLACES=71, PETRI_TRANSITIONS=86} [2020-10-16 06:02:48,798 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 20 predicate places. [2020-10-16 06:02:48,798 INFO L481 AbstractCegarLoop]: Abstraction has has 71 places, 86 transitions, 558 flow [2020-10-16 06:02:48,798 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:02:48,798 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:48,798 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:48,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-16 06:02:48,798 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:48,798 INFO L82 PathProgramCache]: Analyzing trace with hash -2068338250, now seen corresponding path program 1 times [2020-10-16 06:02:48,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:48,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122256824] [2020-10-16 06:02:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 06:02:48,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122256824] [2020-10-16 06:02:48,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100405525] [2020-10-16 06:02:48,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:02:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:48,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:02:48,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:02:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 06:02:49,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:02:49,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:02:49,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626135729] [2020-10-16 06:02:49,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:02:49,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:49,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:02:49,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:02:49,020 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 06:02:49,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 86 transitions, 558 flow. Second operand 12 states. [2020-10-16 06:02:49,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:49,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 06:02:49,022 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:52,208 INFO L129 PetriNetUnfolder]: 18604/33841 cut-off events. [2020-10-16 06:02:52,208 INFO L130 PetriNetUnfolder]: For 27947/27947 co-relation queries the response was YES. [2020-10-16 06:02:52,376 INFO L80 FinitePrefix]: Finished finitePrefix Result has 91013 conditions, 33841 events. 18604/33841 cut-off events. For 27947/27947 co-relation queries the response was YES. Maximal size of possible extension queue 2995. Compared 355970 event pairs, 2141 based on Foata normal form. 134/28307 useless extension candidates. Maximal degree in co-relation 90989. Up to 8182 conditions per place. [2020-10-16 06:02:52,473 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 166 selfloop transitions, 54 changer transitions 0/238 dead transitions. [2020-10-16 06:02:52,473 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 238 transitions, 1600 flow [2020-10-16 06:02:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:02:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:02:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 06:02:52,476 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 06:02:52,476 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 06:02:52,476 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 06:02:52,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:52,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 06:02:52,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:02:52,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:02:52,485 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:02:52,485 INFO L185 Difference]: Start difference. First operand has 71 places, 86 transitions, 558 flow. Second operand 13 states and 2989 transitions. [2020-10-16 06:02:52,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 238 transitions, 1600 flow [2020-10-16 06:02:53,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 238 transitions, 1523 flow, removed 32 selfloop flow, removed 1 redundant places. [2020-10-16 06:02:53,529 INFO L241 Difference]: Finished difference. Result has 84 places, 100 transitions, 742 flow [2020-10-16 06:02:53,529 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=742, PETRI_PLACES=84, PETRI_TRANSITIONS=100} [2020-10-16 06:02:53,530 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 33 predicate places. [2020-10-16 06:02:53,530 INFO L481 AbstractCegarLoop]: Abstraction has has 84 places, 100 transitions, 742 flow [2020-10-16 06:02:53,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:02:53,530 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:53,530 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:53,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-10-16 06:02:53,731 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:53,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:53,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1755707858, now seen corresponding path program 1 times [2020-10-16 06:02:53,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:53,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28994478] [2020-10-16 06:02:53,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 06:02:53,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28994478] [2020-10-16 06:02:53,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:53,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:02:53,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324309890] [2020-10-16 06:02:53,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:02:53,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:53,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:02:53,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:02:53,802 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 336 [2020-10-16 06:02:53,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 100 transitions, 742 flow. Second operand 7 states. [2020-10-16 06:02:53,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:53,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 336 [2020-10-16 06:02:53,804 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:02:57,212 INFO L129 PetriNetUnfolder]: 19403/35470 cut-off events. [2020-10-16 06:02:57,212 INFO L130 PetriNetUnfolder]: For 43409/43409 co-relation queries the response was YES. [2020-10-16 06:02:57,398 INFO L80 FinitePrefix]: Finished finitePrefix Result has 100796 conditions, 35470 events. 19403/35470 cut-off events. For 43409/43409 co-relation queries the response was YES. Maximal size of possible extension queue 3100. Compared 377513 event pairs, 2221 based on Foata normal form. 134/29700 useless extension candidates. Maximal degree in co-relation 100769. Up to 8182 conditions per place. [2020-10-16 06:02:57,502 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 170 selfloop transitions, 59 changer transitions 0/247 dead transitions. [2020-10-16 06:02:57,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 247 transitions, 1781 flow [2020-10-16 06:02:57,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:02:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:02:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2989 transitions. [2020-10-16 06:02:57,505 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6842948717948718 [2020-10-16 06:02:57,505 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2989 transitions. [2020-10-16 06:02:57,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2989 transitions. [2020-10-16 06:02:57,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:02:57,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2989 transitions. [2020-10-16 06:02:57,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:02:57,513 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:02:57,513 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:02:57,513 INFO L185 Difference]: Start difference. First operand has 84 places, 100 transitions, 742 flow. Second operand 13 states and 2989 transitions. [2020-10-16 06:02:57,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 247 transitions, 1781 flow [2020-10-16 06:02:58,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 247 transitions, 1671 flow, removed 10 selfloop flow, removed 6 redundant places. [2020-10-16 06:02:58,977 INFO L241 Difference]: Finished difference. Result has 92 places, 110 transitions, 855 flow [2020-10-16 06:02:58,977 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=635, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=855, PETRI_PLACES=92, PETRI_TRANSITIONS=110} [2020-10-16 06:02:58,977 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 41 predicate places. [2020-10-16 06:02:58,977 INFO L481 AbstractCegarLoop]: Abstraction has has 92 places, 110 transitions, 855 flow [2020-10-16 06:02:58,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:02:58,978 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:02:58,978 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:02:58,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-16 06:02:58,978 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:02:58,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:02:58,978 INFO L82 PathProgramCache]: Analyzing trace with hash -436163355, now seen corresponding path program 1 times [2020-10-16 06:02:58,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:02:58,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721934942] [2020-10-16 06:02:58,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:02:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:02:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-16 06:02:59,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721934942] [2020-10-16 06:02:59,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:02:59,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:02:59,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607647620] [2020-10-16 06:02:59,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:02:59,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:02:59,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:02:59,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:02:59,020 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 336 [2020-10-16 06:02:59,021 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 110 transitions, 855 flow. Second operand 5 states. [2020-10-16 06:02:59,021 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:02:59,021 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 336 [2020-10-16 06:02:59,021 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:03,770 INFO L129 PetriNetUnfolder]: 26367/48419 cut-off events. [2020-10-16 06:03:03,770 INFO L130 PetriNetUnfolder]: For 90656/90690 co-relation queries the response was YES. [2020-10-16 06:03:04,070 INFO L80 FinitePrefix]: Finished finitePrefix Result has 143633 conditions, 48419 events. 26367/48419 cut-off events. For 90656/90690 co-relation queries the response was YES. Maximal size of possible extension queue 4733. Compared 536125 event pairs, 4051 based on Foata normal form. 652/40695 useless extension candidates. Maximal degree in co-relation 143605. Up to 23583 conditions per place. [2020-10-16 06:03:04,219 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 136 selfloop transitions, 54 changer transitions 0/210 dead transitions. [2020-10-16 06:03:04,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 210 transitions, 1939 flow [2020-10-16 06:03:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:03:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:03:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1427 transitions. [2020-10-16 06:03:04,221 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7078373015873016 [2020-10-16 06:03:04,221 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1427 transitions. [2020-10-16 06:03:04,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1427 transitions. [2020-10-16 06:03:04,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:04,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1427 transitions. [2020-10-16 06:03:04,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:03:04,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:03:04,224 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:03:04,224 INFO L185 Difference]: Start difference. First operand has 92 places, 110 transitions, 855 flow. Second operand 6 states and 1427 transitions. [2020-10-16 06:03:04,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 210 transitions, 1939 flow [2020-10-16 06:03:08,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 210 transitions, 1792 flow, removed 20 selfloop flow, removed 6 redundant places. [2020-10-16 06:03:08,388 INFO L241 Difference]: Finished difference. Result has 93 places, 135 transitions, 1174 flow [2020-10-16 06:03:08,388 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1174, PETRI_PLACES=93, PETRI_TRANSITIONS=135} [2020-10-16 06:03:08,388 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 42 predicate places. [2020-10-16 06:03:08,389 INFO L481 AbstractCegarLoop]: Abstraction has has 93 places, 135 transitions, 1174 flow [2020-10-16 06:03:08,389 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:03:08,389 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:08,389 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:08,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-16 06:03:08,389 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:03:08,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:08,389 INFO L82 PathProgramCache]: Analyzing trace with hash 1302225456, now seen corresponding path program 1 times [2020-10-16 06:03:08,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:08,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794792181] [2020-10-16 06:03:08,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 06:03:08,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794792181] [2020-10-16 06:03:08,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259700587] [2020-10-16 06:03:08,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:03:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:08,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:03:08,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:03:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 06:03:08,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:03:08,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:03:08,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512057022] [2020-10-16 06:03:08,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:03:08,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:08,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:03:08,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:03:08,673 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 06:03:08,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 135 transitions, 1174 flow. Second operand 12 states. [2020-10-16 06:03:08,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:08,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 06:03:08,676 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:13,533 INFO L129 PetriNetUnfolder]: 28677/52017 cut-off events. [2020-10-16 06:03:13,534 INFO L130 PetriNetUnfolder]: For 106851/106857 co-relation queries the response was YES. [2020-10-16 06:03:13,898 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160261 conditions, 52017 events. 28677/52017 cut-off events. For 106851/106857 co-relation queries the response was YES. Maximal size of possible extension queue 5086. Compared 580593 event pairs, 3438 based on Foata normal form. 240/43091 useless extension candidates. Maximal degree in co-relation 160231. Up to 13927 conditions per place. [2020-10-16 06:03:14,073 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 200 selfloop transitions, 83 changer transitions 0/301 dead transitions. [2020-10-16 06:03:14,073 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 301 transitions, 2639 flow [2020-10-16 06:03:14,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:03:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:03:14,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 06:03:14,077 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 06:03:14,077 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 06:03:14,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 06:03:14,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:14,077 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 06:03:14,079 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:03:14,082 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:03:14,082 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:03:14,082 INFO L185 Difference]: Start difference. First operand has 93 places, 135 transitions, 1174 flow. Second operand 13 states and 3017 transitions. [2020-10-16 06:03:14,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 301 transitions, 2639 flow [2020-10-16 06:03:18,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 301 transitions, 2514 flow, removed 52 selfloop flow, removed 1 redundant places. [2020-10-16 06:03:18,506 INFO L241 Difference]: Finished difference. Result has 106 places, 152 transitions, 1455 flow [2020-10-16 06:03:18,506 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1119, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1455, PETRI_PLACES=106, PETRI_TRANSITIONS=152} [2020-10-16 06:03:18,506 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 55 predicate places. [2020-10-16 06:03:18,506 INFO L481 AbstractCegarLoop]: Abstraction has has 106 places, 152 transitions, 1455 flow [2020-10-16 06:03:18,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:03:18,507 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:18,507 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:18,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2020-10-16 06:03:18,714 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:03:18,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:18,714 INFO L82 PathProgramCache]: Analyzing trace with hash -912267010, now seen corresponding path program 1 times [2020-10-16 06:03:18,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:18,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934099390] [2020-10-16 06:03:18,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 06:03:18,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934099390] [2020-10-16 06:03:18,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780383205] [2020-10-16 06:03:18,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:03:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:18,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:03:18,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:03:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 06:03:18,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:03:18,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:03:18,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113843579] [2020-10-16 06:03:18,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:03:18,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:18,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:03:18,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:03:18,950 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 06:03:18,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 152 transitions, 1455 flow. Second operand 12 states. [2020-10-16 06:03:18,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:18,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 06:03:18,952 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:26,582 INFO L129 PetriNetUnfolder]: 29609/54524 cut-off events. [2020-10-16 06:03:26,582 INFO L130 PetriNetUnfolder]: For 138698/138698 co-relation queries the response was YES. [2020-10-16 06:03:26,959 INFO L80 FinitePrefix]: Finished finitePrefix Result has 172814 conditions, 54524 events. 29609/54524 cut-off events. For 138698/138698 co-relation queries the response was YES. Maximal size of possible extension queue 5365. Compared 620154 event pairs, 3419 based on Foata normal form. 234/45280 useless extension candidates. Maximal degree in co-relation 172781. Up to 15679 conditions per place. [2020-10-16 06:03:27,128 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 215 selfloop transitions, 94 changer transitions 0/327 dead transitions. [2020-10-16 06:03:27,128 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 327 transitions, 3018 flow [2020-10-16 06:03:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:03:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:03:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 06:03:27,131 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 06:03:27,131 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 06:03:27,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 06:03:27,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:27,132 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 06:03:27,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:03:27,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:03:27,139 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:03:27,139 INFO L185 Difference]: Start difference. First operand has 106 places, 152 transitions, 1455 flow. Second operand 13 states and 2979 transitions. [2020-10-16 06:03:27,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 327 transitions, 3018 flow [2020-10-16 06:03:32,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 327 transitions, 2898 flow, removed 27 selfloop flow, removed 3 redundant places. [2020-10-16 06:03:33,003 INFO L241 Difference]: Finished difference. Result has 117 places, 174 transitions, 1766 flow [2020-10-16 06:03:33,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1363, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=72, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1766, PETRI_PLACES=117, PETRI_TRANSITIONS=174} [2020-10-16 06:03:33,003 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 66 predicate places. [2020-10-16 06:03:33,003 INFO L481 AbstractCegarLoop]: Abstraction has has 117 places, 174 transitions, 1766 flow [2020-10-16 06:03:33,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:03:33,003 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:33,003 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:33,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-10-16 06:03:33,204 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:03:33,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:33,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1177705100, now seen corresponding path program 1 times [2020-10-16 06:03:33,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:33,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133680650] [2020-10-16 06:03:33,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:03:33,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133680650] [2020-10-16 06:03:33,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:03:33,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:03:33,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682041604] [2020-10-16 06:03:33,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:03:33,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:33,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:03:33,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:03:33,270 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 336 [2020-10-16 06:03:33,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 174 transitions, 1766 flow. Second operand 7 states. [2020-10-16 06:03:33,272 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:33,272 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 336 [2020-10-16 06:03:33,273 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:03:39,257 INFO L129 PetriNetUnfolder]: 30879/56597 cut-off events. [2020-10-16 06:03:39,258 INFO L130 PetriNetUnfolder]: For 175952/175958 co-relation queries the response was YES. [2020-10-16 06:03:39,717 INFO L80 FinitePrefix]: Finished finitePrefix Result has 186717 conditions, 56597 events. 30879/56597 cut-off events. For 175952/175958 co-relation queries the response was YES. Maximal size of possible extension queue 5616. Compared 644809 event pairs, 3543 based on Foata normal form. 214/46885 useless extension candidates. Maximal degree in co-relation 186682. Up to 15693 conditions per place. [2020-10-16 06:03:39,907 INFO L132 encePairwiseOnDemand]: 327/336 looper letters, 219 selfloop transitions, 102 changer transitions 0/339 dead transitions. [2020-10-16 06:03:39,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 339 transitions, 3377 flow [2020-10-16 06:03:39,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:03:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:03:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3017 transitions. [2020-10-16 06:03:39,910 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6907051282051282 [2020-10-16 06:03:39,910 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3017 transitions. [2020-10-16 06:03:39,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3017 transitions. [2020-10-16 06:03:39,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:03:39,911 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3017 transitions. [2020-10-16 06:03:39,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:03:39,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:03:39,918 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:03:39,918 INFO L185 Difference]: Start difference. First operand has 117 places, 174 transitions, 1766 flow. Second operand 13 states and 3017 transitions. [2020-10-16 06:03:39,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 339 transitions, 3377 flow [2020-10-16 06:03:51,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 339 transitions, 3310 flow, removed 29 selfloop flow, removed 1 redundant places. [2020-10-16 06:03:51,371 INFO L241 Difference]: Finished difference. Result has 130 places, 190 transitions, 2143 flow [2020-10-16 06:03:51,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=1725, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2143, PETRI_PLACES=130, PETRI_TRANSITIONS=190} [2020-10-16 06:03:51,372 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 79 predicate places. [2020-10-16 06:03:51,372 INFO L481 AbstractCegarLoop]: Abstraction has has 130 places, 190 transitions, 2143 flow [2020-10-16 06:03:51,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:03:51,372 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:03:51,372 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:03:51,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-16 06:03:51,372 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:03:51,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:03:51,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1177431804, now seen corresponding path program 1 times [2020-10-16 06:03:51,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:03:51,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951733379] [2020-10-16 06:03:51,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:03:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:03:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:03:51,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951733379] [2020-10-16 06:03:51,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:03:51,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:03:51,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600604345] [2020-10-16 06:03:51,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:03:51,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:03:51,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:03:51,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:03:51,434 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 336 [2020-10-16 06:03:51,435 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 190 transitions, 2143 flow. Second operand 7 states. [2020-10-16 06:03:51,435 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:03:51,435 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 336 [2020-10-16 06:03:51,435 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:04:00,912 INFO L129 PetriNetUnfolder]: 31757/59260 cut-off events. [2020-10-16 06:04:00,913 INFO L130 PetriNetUnfolder]: For 226865/226865 co-relation queries the response was YES. [2020-10-16 06:04:01,371 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201517 conditions, 59260 events. 31757/59260 cut-off events. For 226865/226865 co-relation queries the response was YES. Maximal size of possible extension queue 5898. Compared 690126 event pairs, 3606 based on Foata normal form. 234/49218 useless extension candidates. Maximal degree in co-relation 201479. Up to 15679 conditions per place. [2020-10-16 06:04:01,560 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 223 selfloop transitions, 114 changer transitions 0/355 dead transitions. [2020-10-16 06:04:01,560 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 355 transitions, 3793 flow [2020-10-16 06:04:01,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:04:01,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:04:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2979 transitions. [2020-10-16 06:04:01,563 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6820054945054945 [2020-10-16 06:04:01,563 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2979 transitions. [2020-10-16 06:04:01,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2979 transitions. [2020-10-16 06:04:01,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:04:01,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2979 transitions. [2020-10-16 06:04:01,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:04:01,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:04:01,571 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:04:01,571 INFO L185 Difference]: Start difference. First operand has 130 places, 190 transitions, 2143 flow. Second operand 13 states and 2979 transitions. [2020-10-16 06:04:01,571 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 355 transitions, 3793 flow [2020-10-16 06:04:14,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 355 transitions, 3619 flow, removed 34 selfloop flow, removed 6 redundant places. [2020-10-16 06:04:14,921 INFO L241 Difference]: Finished difference. Result has 138 places, 209 transitions, 2492 flow [2020-10-16 06:04:14,921 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=95, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2492, PETRI_PLACES=138, PETRI_TRANSITIONS=209} [2020-10-16 06:04:14,922 INFO L342 CegarLoopForPetriNet]: 51 programPoint places, 87 predicate places. [2020-10-16 06:04:14,922 INFO L481 AbstractCegarLoop]: Abstraction has has 138 places, 209 transitions, 2492 flow [2020-10-16 06:04:14,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:04:14,922 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:04:14,922 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:04:14,922 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-16 06:04:14,922 INFO L429 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:04:14,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:04:14,923 INFO L82 PathProgramCache]: Analyzing trace with hash -2118368727, now seen corresponding path program 1 times [2020-10-16 06:04:14,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:04:14,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131110591] [2020-10-16 06:04:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:04:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:04:14,932 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:04:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 06:04:14,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 06:04:14,948 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 06:04:14,948 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 06:04:14,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-16 06:04:14,948 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 06:04:14,949 WARN L371 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-16 06:04:14,949 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2020-10-16 06:04:14,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,966 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,967 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,968 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,969 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,973 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,974 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,974 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,977 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,977 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,980 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,980 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,980 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,982 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,982 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,983 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,984 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,985 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,985 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,988 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,990 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,991 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,991 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,991 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,992 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,992 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,992 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,993 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,994 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,994 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,995 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,995 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,996 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,996 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,997 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,997 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,997 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,997 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,998 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:14,999 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,000 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,001 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,001 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,001 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,002 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,002 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,003 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,004 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,004 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,004 WARN L313 ript$VariableManager]: TermVariabe thr2Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,006 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,006 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,007 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,008 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,012 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,013 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,013 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,014 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,015 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,015 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,016 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,016 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,017 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,017 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,018 WARN L313 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,018 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 06:04:15,019 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-10-16 06:04:15,020 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 06:04:15,020 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 06:04:15,020 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 06:04:15,020 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 06:04:15,020 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 06:04:15,020 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 06:04:15,020 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 06:04:15,020 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 06:04:15,023 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 06:04:15,049 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 06:04:15,049 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 06:04:15,053 INFO L80 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 641 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 291. Up to 14 conditions per place. [2020-10-16 06:04:15,053 INFO L82 GeneralOperation]: Start removeDead. Operand has 227 places, 221 transitions, 562 flow [2020-10-16 06:04:15,055 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:15,055 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 06:04:15,055 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:15,055 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:15,055 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 171 places, 170 transitions, 403 flow [2020-10-16 06:04:15,081 INFO L129 PetriNetUnfolder]: 21/256 cut-off events. [2020-10-16 06:04:15,081 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 06:04:15,084 INFO L80 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 256 events. 21/256 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 630 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 260. Up to 14 conditions per place. [2020-10-16 06:04:15,101 INFO L117 LiptonReduction]: Number of co-enabled transitions 16092 [2020-10-16 06:04:17,243 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-16 06:04:17,360 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-16 06:04:19,017 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-10-16 06:04:19,533 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-10-16 06:04:20,042 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-10-16 06:04:20,162 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-16 06:04:20,206 INFO L132 LiptonReduction]: Checked pairs total: 27133 [2020-10-16 06:04:20,206 INFO L134 LiptonReduction]: Total number of compositions: 161 [2020-10-16 06:04:20,207 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5152 [2020-10-16 06:04:20,208 INFO L129 PetriNetUnfolder]: 0/3 cut-off events. [2020-10-16 06:04:20,208 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 06:04:20,208 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:04:20,208 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2020-10-16 06:04:20,208 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:04:20,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:04:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1891446, now seen corresponding path program 1 times [2020-10-16 06:04:20,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:04:20,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131850410] [2020-10-16 06:04:20,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:04:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:04:20,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:04:20,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131850410] [2020-10-16 06:04:20,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:04:20,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 06:04:20,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922925573] [2020-10-16 06:04:20,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:04:20,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:04:20,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:04:20,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:04:20,228 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 254 out of 382 [2020-10-16 06:04:20,229 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states. [2020-10-16 06:04:20,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:04:20,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 254 of 382 [2020-10-16 06:04:20,229 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:04:35,078 INFO L129 PetriNetUnfolder]: 138263/172004 cut-off events. [2020-10-16 06:04:35,078 INFO L130 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2020-10-16 06:04:35,809 INFO L80 FinitePrefix]: Finished finitePrefix Result has 326506 conditions, 172004 events. 138263/172004 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 8051. Compared 1052734 event pairs, 26989 based on Foata normal form. 19233/135484 useless extension candidates. Maximal degree in co-relation 326492. Up to 125299 conditions per place. [2020-10-16 06:04:36,479 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 37 selfloop transitions, 7 changer transitions 0/69 dead transitions. [2020-10-16 06:04:36,480 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 69 transitions, 289 flow [2020-10-16 06:04:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:04:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:04:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 813 transitions. [2020-10-16 06:04:36,481 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7094240837696335 [2020-10-16 06:04:36,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 813 transitions. [2020-10-16 06:04:36,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 813 transitions. [2020-10-16 06:04:36,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:04:36,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 813 transitions. [2020-10-16 06:04:36,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:04:36,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:04:36,483 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:04:36,483 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 165 flow. Second operand 3 states and 813 transitions. [2020-10-16 06:04:36,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 69 transitions, 289 flow [2020-10-16 06:04:36,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 69 transitions, 258 flow, removed 15 selfloop flow, removed 1 redundant places. [2020-10-16 06:04:36,486 INFO L241 Difference]: Finished difference. Result has 60 places, 54 transitions, 175 flow [2020-10-16 06:04:36,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=175, PETRI_PLACES=60, PETRI_TRANSITIONS=54} [2020-10-16 06:04:36,487 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2020-10-16 06:04:36,487 INFO L481 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 175 flow [2020-10-16 06:04:36,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:04:36,487 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:04:36,487 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:04:36,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-16 06:04:36,487 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:04:36,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:04:36,487 INFO L82 PathProgramCache]: Analyzing trace with hash -314267951, now seen corresponding path program 1 times [2020-10-16 06:04:36,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:04:36,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184428835] [2020-10-16 06:04:36,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:04:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:04:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:04:36,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184428835] [2020-10-16 06:04:36,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:04:36,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:04:36,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586438793] [2020-10-16 06:04:36,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:04:36,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:04:36,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:04:36,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:04:36,532 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 06:04:36,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 175 flow. Second operand 5 states. [2020-10-16 06:04:36,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:04:36,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 06:04:36,533 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:05:16,669 INFO L129 PetriNetUnfolder]: 262495/332338 cut-off events. [2020-10-16 06:05:16,669 INFO L130 PetriNetUnfolder]: For 28089/28089 co-relation queries the response was YES. [2020-10-16 06:05:19,683 INFO L80 FinitePrefix]: Finished finitePrefix Result has 736078 conditions, 332338 events. 262495/332338 cut-off events. For 28089/28089 co-relation queries the response was YES. Maximal size of possible extension queue 16719. Compared 2295960 event pairs, 37680 based on Foata normal form. 2146/285086 useless extension candidates. Maximal degree in co-relation 736062. Up to 148085 conditions per place. [2020-10-16 06:05:21,198 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 85 selfloop transitions, 19 changer transitions 0/127 dead transitions. [2020-10-16 06:05:21,198 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 127 transitions, 568 flow [2020-10-16 06:05:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:05:21,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:05:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1593 transitions. [2020-10-16 06:05:21,200 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6950261780104712 [2020-10-16 06:05:21,200 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1593 transitions. [2020-10-16 06:05:21,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1593 transitions. [2020-10-16 06:05:21,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:05:21,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1593 transitions. [2020-10-16 06:05:21,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:05:21,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:05:21,203 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:05:21,203 INFO L185 Difference]: Start difference. First operand has 60 places, 54 transitions, 175 flow. Second operand 6 states and 1593 transitions. [2020-10-16 06:05:21,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 127 transitions, 568 flow [2020-10-16 06:05:21,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 127 transitions, 556 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:05:21,274 INFO L241 Difference]: Finished difference. Result has 67 places, 66 transitions, 293 flow [2020-10-16 06:05:21,275 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=293, PETRI_PLACES=67, PETRI_TRANSITIONS=66} [2020-10-16 06:05:21,275 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2020-10-16 06:05:21,275 INFO L481 AbstractCegarLoop]: Abstraction has has 67 places, 66 transitions, 293 flow [2020-10-16 06:05:21,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:05:21,275 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:05:21,275 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:05:21,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-16 06:05:21,276 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:05:21,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:05:21,276 INFO L82 PathProgramCache]: Analyzing trace with hash 451493352, now seen corresponding path program 1 times [2020-10-16 06:05:21,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:05:21,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638915664] [2020-10-16 06:05:21,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:05:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:05:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 06:05:21,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638915664] [2020-10-16 06:05:21,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:05:21,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:05:21,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44189305] [2020-10-16 06:05:21,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:05:21,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:05:21,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:05:21,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:05:21,317 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 250 out of 382 [2020-10-16 06:05:21,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 66 transitions, 293 flow. Second operand 5 states. [2020-10-16 06:05:21,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:05:21,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 250 of 382 [2020-10-16 06:05:21,319 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:06:50,692 INFO L129 PetriNetUnfolder]: 440003/565566 cut-off events. [2020-10-16 06:06:50,693 INFO L130 PetriNetUnfolder]: For 266946/266946 co-relation queries the response was YES. [2020-10-16 06:06:55,508 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1431542 conditions, 565566 events. 440003/565566 cut-off events. For 266946/266946 co-relation queries the response was YES. Maximal size of possible extension queue 31359. Compared 4323689 event pairs, 52007 based on Foata normal form. 3602/484027 useless extension candidates. Maximal degree in co-relation 1431522. Up to 266740 conditions per place. [2020-10-16 06:06:58,212 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 97 selfloop transitions, 30 changer transitions 0/150 dead transitions. [2020-10-16 06:06:58,212 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 150 transitions, 862 flow [2020-10-16 06:06:58,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:06:58,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:06:58,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1606 transitions. [2020-10-16 06:06:58,214 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7006980802792321 [2020-10-16 06:06:58,214 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1606 transitions. [2020-10-16 06:06:58,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1606 transitions. [2020-10-16 06:06:58,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:06:58,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1606 transitions. [2020-10-16 06:06:58,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:06:58,218 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:06:58,218 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:06:58,218 INFO L185 Difference]: Start difference. First operand has 67 places, 66 transitions, 293 flow. Second operand 6 states and 1606 transitions. [2020-10-16 06:06:58,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 150 transitions, 862 flow [2020-10-16 06:07:33,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 150 transitions, 811 flow, removed 10 selfloop flow, removed 2 redundant places. [2020-10-16 06:07:33,272 INFO L241 Difference]: Finished difference. Result has 73 places, 84 transitions, 485 flow [2020-10-16 06:07:33,272 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=485, PETRI_PLACES=73, PETRI_TRANSITIONS=84} [2020-10-16 06:07:33,272 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 15 predicate places. [2020-10-16 06:07:33,273 INFO L481 AbstractCegarLoop]: Abstraction has has 73 places, 84 transitions, 485 flow [2020-10-16 06:07:33,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:07:33,273 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:07:33,273 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:07:33,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-16 06:07:33,273 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:07:33,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:07:33,273 INFO L82 PathProgramCache]: Analyzing trace with hash 196451013, now seen corresponding path program 1 times [2020-10-16 06:07:33,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:07:33,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708672194] [2020-10-16 06:07:33,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:07:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:07:33,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 06:07:33,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708672194] [2020-10-16 06:07:33,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:07:33,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:07:33,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069189293] [2020-10-16 06:07:33,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 06:07:33,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:07:33,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 06:07:33,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 06:07:33,308 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 382 [2020-10-16 06:07:33,309 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states. [2020-10-16 06:07:33,309 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:07:33,309 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 382 [2020-10-16 06:07:33,309 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:07:33,785 INFO L129 PetriNetUnfolder]: 1855/5330 cut-off events. [2020-10-16 06:07:33,785 INFO L130 PetriNetUnfolder]: For 4423/5643 co-relation queries the response was YES. [2020-10-16 06:07:33,811 INFO L80 FinitePrefix]: Finished finitePrefix Result has 12666 conditions, 5330 events. 1855/5330 cut-off events. For 4423/5643 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 54180 event pairs, 697 based on Foata normal form. 1797/6350 useless extension candidates. Maximal degree in co-relation 12643. Up to 1435 conditions per place. [2020-10-16 06:07:33,829 INFO L132 encePairwiseOnDemand]: 366/382 looper letters, 1 selfloop transitions, 16 changer transitions 0/80 dead transitions. [2020-10-16 06:07:33,829 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 80 transitions, 477 flow [2020-10-16 06:07:33,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 06:07:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 06:07:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 860 transitions. [2020-10-16 06:07:33,830 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7504363001745201 [2020-10-16 06:07:33,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 860 transitions. [2020-10-16 06:07:33,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 860 transitions. [2020-10-16 06:07:33,831 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:07:33,831 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 860 transitions. [2020-10-16 06:07:33,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 06:07:33,832 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 06:07:33,832 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 06:07:33,832 INFO L185 Difference]: Start difference. First operand has 73 places, 84 transitions, 485 flow. Second operand 3 states and 860 transitions. [2020-10-16 06:07:33,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 80 transitions, 477 flow [2020-10-16 06:07:33,876 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 80 transitions, 413 flow, removed 13 selfloop flow, removed 3 redundant places. [2020-10-16 06:07:33,877 INFO L241 Difference]: Finished difference. Result has 72 places, 80 transitions, 411 flow [2020-10-16 06:07:33,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=72, PETRI_TRANSITIONS=80} [2020-10-16 06:07:33,878 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 14 predicate places. [2020-10-16 06:07:33,878 INFO L481 AbstractCegarLoop]: Abstraction has has 72 places, 80 transitions, 411 flow [2020-10-16 06:07:33,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 06:07:33,878 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:07:33,878 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:07:33,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-16 06:07:33,878 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:07:33,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:07:33,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1525764070, now seen corresponding path program 1 times [2020-10-16 06:07:33,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:07:33,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592423179] [2020-10-16 06:07:33,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:07:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:07:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:07:33,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592423179] [2020-10-16 06:07:33,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:07:33,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:07:33,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38167197] [2020-10-16 06:07:33,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:07:33,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:07:33,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:07:33,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:07:33,922 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 382 [2020-10-16 06:07:33,923 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 80 transitions, 411 flow. Second operand 5 states. [2020-10-16 06:07:33,923 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:07:33,923 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 382 [2020-10-16 06:07:33,923 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:07:44,936 INFO L129 PetriNetUnfolder]: 48322/86260 cut-off events. [2020-10-16 06:07:44,936 INFO L130 PetriNetUnfolder]: For 48373/48379 co-relation queries the response was YES. [2020-10-16 06:07:45,408 INFO L80 FinitePrefix]: Finished finitePrefix Result has 225441 conditions, 86260 events. 48322/86260 cut-off events. For 48373/48379 co-relation queries the response was YES. Maximal size of possible extension queue 7095. Compared 976939 event pairs, 6762 based on Foata normal form. 1134/73568 useless extension candidates. Maximal degree in co-relation 225420. Up to 37664 conditions per place. [2020-10-16 06:07:45,687 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 102 selfloop transitions, 44 changer transitions 0/169 dead transitions. [2020-10-16 06:07:45,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 169 transitions, 1100 flow [2020-10-16 06:07:45,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:07:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:07:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1586 transitions. [2020-10-16 06:07:45,689 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6919720767888308 [2020-10-16 06:07:45,689 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1586 transitions. [2020-10-16 06:07:45,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1586 transitions. [2020-10-16 06:07:45,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:07:45,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1586 transitions. [2020-10-16 06:07:45,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:07:45,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:07:45,692 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:07:45,692 INFO L185 Difference]: Start difference. First operand has 72 places, 80 transitions, 411 flow. Second operand 6 states and 1586 transitions. [2020-10-16 06:07:45,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 169 transitions, 1100 flow [2020-10-16 06:07:48,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 169 transitions, 1067 flow, removed 0 selfloop flow, removed 1 redundant places. [2020-10-16 06:07:48,637 INFO L241 Difference]: Finished difference. Result has 78 places, 103 transitions, 683 flow [2020-10-16 06:07:48,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=683, PETRI_PLACES=78, PETRI_TRANSITIONS=103} [2020-10-16 06:07:48,637 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 20 predicate places. [2020-10-16 06:07:48,637 INFO L481 AbstractCegarLoop]: Abstraction has has 78 places, 103 transitions, 683 flow [2020-10-16 06:07:48,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:07:48,637 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:07:48,637 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:07:48,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-16 06:07:48,638 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:07:48,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:07:48,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1133788585, now seen corresponding path program 1 times [2020-10-16 06:07:48,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:07:48,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914693332] [2020-10-16 06:07:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:07:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:07:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 06:07:48,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914693332] [2020-10-16 06:07:48,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261152346] [2020-10-16 06:07:48,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:07:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:07:48,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:07:48,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:07:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-16 06:07:48,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:07:48,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:07:48,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067464882] [2020-10-16 06:07:48,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:07:48,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:07:48,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:07:48,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:07:48,915 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 06:07:48,918 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 103 transitions, 683 flow. Second operand 12 states. [2020-10-16 06:07:48,918 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:07:48,918 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 06:07:48,918 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:08:05,185 INFO L129 PetriNetUnfolder]: 54766/94158 cut-off events. [2020-10-16 06:08:05,185 INFO L130 PetriNetUnfolder]: For 81305/81305 co-relation queries the response was YES. [2020-10-16 06:08:05,715 INFO L80 FinitePrefix]: Finished finitePrefix Result has 256784 conditions, 94158 events. 54766/94158 cut-off events. For 81305/81305 co-relation queries the response was YES. Maximal size of possible extension queue 7775. Compared 1039925 event pairs, 6126 based on Foata normal form. 378/78495 useless extension candidates. Maximal degree in co-relation 256759. Up to 24290 conditions per place. [2020-10-16 06:08:06,016 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 201 selfloop transitions, 64 changer transitions 0/286 dead transitions. [2020-10-16 06:08:06,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 286 transitions, 1962 flow [2020-10-16 06:08:06,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:08:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:08:06,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 06:08:06,021 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 06:08:06,021 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 06:08:06,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 06:08:06,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:08:06,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 06:08:06,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:08:06,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:08:06,028 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:08:06,028 INFO L185 Difference]: Start difference. First operand has 78 places, 103 transitions, 683 flow. Second operand 13 states and 3402 transitions. [2020-10-16 06:08:06,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 286 transitions, 1962 flow [2020-10-16 06:08:14,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 286 transitions, 1857 flow, removed 44 selfloop flow, removed 1 redundant places. [2020-10-16 06:08:14,689 INFO L241 Difference]: Finished difference. Result has 91 places, 118 transitions, 890 flow [2020-10-16 06:08:14,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=890, PETRI_PLACES=91, PETRI_TRANSITIONS=118} [2020-10-16 06:08:14,690 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 33 predicate places. [2020-10-16 06:08:14,690 INFO L481 AbstractCegarLoop]: Abstraction has has 91 places, 118 transitions, 890 flow [2020-10-16 06:08:14,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:08:14,690 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:08:14,690 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:08:14,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2020-10-16 06:08:14,891 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:08:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:08:14,891 INFO L82 PathProgramCache]: Analyzing trace with hash -374161485, now seen corresponding path program 1 times [2020-10-16 06:08:14,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:08:14,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258758686] [2020-10-16 06:08:14,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:08:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-16 06:08:14,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258758686] [2020-10-16 06:08:14,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:08:14,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:08:14,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017530348] [2020-10-16 06:08:14,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:08:14,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:08:14,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:08:14,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:08:14,950 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 382 [2020-10-16 06:08:14,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 118 transitions, 890 flow. Second operand 7 states. [2020-10-16 06:08:14,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:08:14,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 382 [2020-10-16 06:08:14,951 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:08:25,595 INFO L129 PetriNetUnfolder]: 57687/99766 cut-off events. [2020-10-16 06:08:25,596 INFO L130 PetriNetUnfolder]: For 131141/131141 co-relation queries the response was YES. [2020-10-16 06:08:26,210 INFO L80 FinitePrefix]: Finished finitePrefix Result has 285710 conditions, 99766 events. 57687/99766 cut-off events. For 131141/131141 co-relation queries the response was YES. Maximal size of possible extension queue 8278. Compared 1116046 event pairs, 6221 based on Foata normal form. 378/83094 useless extension candidates. Maximal degree in co-relation 285682. Up to 24290 conditions per place. [2020-10-16 06:08:26,535 INFO L132 encePairwiseOnDemand]: 372/382 looper letters, 205 selfloop transitions, 72 changer transitions 0/298 dead transitions. [2020-10-16 06:08:26,535 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 298 transitions, 2173 flow [2020-10-16 06:08:26,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:08:26,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:08:26,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3402 transitions. [2020-10-16 06:08:26,540 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6850583971002819 [2020-10-16 06:08:26,540 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3402 transitions. [2020-10-16 06:08:26,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3402 transitions. [2020-10-16 06:08:26,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:08:26,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3402 transitions. [2020-10-16 06:08:26,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:08:26,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:08:26,547 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:08:26,547 INFO L185 Difference]: Start difference. First operand has 91 places, 118 transitions, 890 flow. Second operand 13 states and 3402 transitions. [2020-10-16 06:08:26,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 298 transitions, 2173 flow [2020-10-16 06:08:40,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 298 transitions, 2042 flow, removed 12 selfloop flow, removed 6 redundant places. [2020-10-16 06:08:40,814 INFO L241 Difference]: Finished difference. Result has 99 places, 131 transitions, 1039 flow [2020-10-16 06:08:40,814 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1039, PETRI_PLACES=99, PETRI_TRANSITIONS=131} [2020-10-16 06:08:40,814 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 41 predicate places. [2020-10-16 06:08:40,814 INFO L481 AbstractCegarLoop]: Abstraction has has 99 places, 131 transitions, 1039 flow [2020-10-16 06:08:40,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:08:40,815 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:08:40,815 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:08:40,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-16 06:08:40,815 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:08:40,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:08:40,815 INFO L82 PathProgramCache]: Analyzing trace with hash 55008094, now seen corresponding path program 1 times [2020-10-16 06:08:40,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:08:40,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153227180] [2020-10-16 06:08:40,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:08:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:08:40,859 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-16 06:08:40,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153227180] [2020-10-16 06:08:40,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:08:40,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 06:08:40,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650887335] [2020-10-16 06:08:40,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-16 06:08:40,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:08:40,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-16 06:08:40,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-16 06:08:40,863 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 382 [2020-10-16 06:08:40,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 131 transitions, 1039 flow. Second operand 5 states. [2020-10-16 06:08:40,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:08:40,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 382 [2020-10-16 06:08:40,864 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:08:56,052 INFO L129 PetriNetUnfolder]: 79375/141131 cut-off events. [2020-10-16 06:08:56,052 INFO L130 PetriNetUnfolder]: For 282467/282501 co-relation queries the response was YES. [2020-10-16 06:08:56,976 INFO L80 FinitePrefix]: Finished finitePrefix Result has 420081 conditions, 141131 events. 79375/141131 cut-off events. For 282467/282501 co-relation queries the response was YES. Maximal size of possible extension queue 12328. Compared 1693133 event pairs, 11081 based on Foata normal form. 1600/118587 useless extension candidates. Maximal degree in co-relation 420052. Up to 69431 conditions per place. [2020-10-16 06:08:57,462 INFO L132 encePairwiseOnDemand]: 373/382 looper letters, 162 selfloop transitions, 71 changer transitions 0/256 dead transitions. [2020-10-16 06:08:57,462 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 256 transitions, 2407 flow [2020-10-16 06:08:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-16 06:08:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-16 06:08:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1592 transitions. [2020-10-16 06:08:57,464 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6945898778359512 [2020-10-16 06:08:57,464 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1592 transitions. [2020-10-16 06:08:57,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1592 transitions. [2020-10-16 06:08:57,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:08:57,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1592 transitions. [2020-10-16 06:08:57,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2020-10-16 06:08:57,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 7 states. [2020-10-16 06:08:57,466 INFO L81 ComplementDD]: Finished complementDD. Result 7 states. [2020-10-16 06:08:57,466 INFO L185 Difference]: Start difference. First operand has 99 places, 131 transitions, 1039 flow. Second operand 6 states and 1592 transitions. [2020-10-16 06:08:57,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 256 transitions, 2407 flow [2020-10-16 06:09:22,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 256 transitions, 2226 flow, removed 28 selfloop flow, removed 6 redundant places. [2020-10-16 06:09:22,522 INFO L241 Difference]: Finished difference. Result has 100 places, 165 transitions, 1476 flow [2020-10-16 06:09:22,523 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1476, PETRI_PLACES=100, PETRI_TRANSITIONS=165} [2020-10-16 06:09:22,523 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 42 predicate places. [2020-10-16 06:09:22,523 INFO L481 AbstractCegarLoop]: Abstraction has has 100 places, 165 transitions, 1476 flow [2020-10-16 06:09:22,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-16 06:09:22,523 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:09:22,523 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:09:22,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-16 06:09:22,523 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:09:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:09:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1013943917, now seen corresponding path program 1 times [2020-10-16 06:09:22,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:09:22,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428478536] [2020-10-16 06:09:22,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:09:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:09:22,577 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:09:22,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428478536] [2020-10-16 06:09:22,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:09:22,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:09:22,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426721867] [2020-10-16 06:09:22,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:09:22,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:09:22,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:09:22,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:09:22,581 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 06:09:22,582 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 165 transitions, 1476 flow. Second operand 7 states. [2020-10-16 06:09:22,582 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:09:22,582 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 06:09:22,582 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:09:40,296 INFO L129 PetriNetUnfolder]: 86006/153802 cut-off events. [2020-10-16 06:09:40,296 INFO L130 PetriNetUnfolder]: For 360321/360327 co-relation queries the response was YES. [2020-10-16 06:09:41,373 INFO L80 FinitePrefix]: Finished finitePrefix Result has 476621 conditions, 153802 events. 86006/153802 cut-off events. For 360321/360327 co-relation queries the response was YES. Maximal size of possible extension queue 13237. Compared 1881399 event pairs, 9796 based on Foata normal form. 622/128495 useless extension candidates. Maximal degree in co-relation 476590. Up to 41672 conditions per place. [2020-10-16 06:09:41,912 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 239 selfloop transitions, 111 changer transitions 0/371 dead transitions. [2020-10-16 06:09:41,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 371 transitions, 3305 flow [2020-10-16 06:09:41,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:09:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:09:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 06:09:41,916 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 06:09:41,916 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 06:09:41,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 06:09:41,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:09:41,917 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 06:09:41,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:09:41,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:09:41,923 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:09:41,923 INFO L185 Difference]: Start difference. First operand has 100 places, 165 transitions, 1476 flow. Second operand 13 states and 3365 transitions. [2020-10-16 06:09:41,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 371 transitions, 3305 flow [2020-10-16 06:10:13,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 371 transitions, 3124 flow, removed 76 selfloop flow, removed 1 redundant places. [2020-10-16 06:10:13,194 INFO L241 Difference]: Finished difference. Result has 113 places, 189 transitions, 1859 flow [2020-10-16 06:10:13,194 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1401, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=87, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1859, PETRI_PLACES=113, PETRI_TRANSITIONS=189} [2020-10-16 06:10:13,195 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 55 predicate places. [2020-10-16 06:10:13,195 INFO L481 AbstractCegarLoop]: Abstraction has has 113 places, 189 transitions, 1859 flow [2020-10-16 06:10:13,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:10:13,195 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:10:13,195 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:10:13,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-16 06:10:13,195 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:10:13,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:10:13,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1591344468, now seen corresponding path program 1 times [2020-10-16 06:10:13,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:10:13,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142145435] [2020-10-16 06:10:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:10:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:10:13,253 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 06:10:13,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142145435] [2020-10-16 06:10:13,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941377246] [2020-10-16 06:10:13,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:10:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:10:13,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-16 06:10:13,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-16 06:10:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-16 06:10:13,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-16 06:10:13,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-16 06:10:13,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801584441] [2020-10-16 06:10:13,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-16 06:10:13,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:10:13,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-16 06:10:13,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-16 06:10:13,422 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 06:10:13,423 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 189 transitions, 1859 flow. Second operand 12 states. [2020-10-16 06:10:13,423 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:10:13,423 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 06:10:13,423 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:10:40,379 INFO L129 PetriNetUnfolder]: 91402/163633 cut-off events. [2020-10-16 06:10:40,380 INFO L130 PetriNetUnfolder]: For 461628/461628 co-relation queries the response was YES. [2020-10-16 06:10:41,517 INFO L80 FinitePrefix]: Finished finitePrefix Result has 527541 conditions, 163633 events. 91402/163633 cut-off events. For 461628/461628 co-relation queries the response was YES. Maximal size of possible extension queue 14048. Compared 2015775 event pairs, 10467 based on Foata normal form. 616/136476 useless extension candidates. Maximal degree in co-relation 527507. Up to 48458 conditions per place. [2020-10-16 06:10:42,039 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 261 selfloop transitions, 122 changer transitions 0/404 dead transitions. [2020-10-16 06:10:42,039 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 404 transitions, 3824 flow [2020-10-16 06:10:42,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:10:42,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:10:42,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 06:10:42,043 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 06:10:42,043 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 06:10:42,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 06:10:42,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:10:42,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 06:10:42,047 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:10:42,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:10:42,050 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:10:42,050 INFO L185 Difference]: Start difference. First operand has 113 places, 189 transitions, 1859 flow. Second operand 13 states and 3392 transitions. [2020-10-16 06:10:42,050 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 404 transitions, 3824 flow [2020-10-16 06:11:37,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 404 transitions, 3648 flow, removed 41 selfloop flow, removed 3 redundant places. [2020-10-16 06:11:37,773 INFO L241 Difference]: Finished difference. Result has 124 places, 218 transitions, 2264 flow [2020-10-16 06:11:37,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1729, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2264, PETRI_PLACES=124, PETRI_TRANSITIONS=218} [2020-10-16 06:11:37,774 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 66 predicate places. [2020-10-16 06:11:37,774 INFO L481 AbstractCegarLoop]: Abstraction has has 124 places, 218 transitions, 2264 flow [2020-10-16 06:11:37,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-16 06:11:37,774 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:11:37,774 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:11:37,974 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-16 06:11:37,975 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:11:37,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:11:37,976 INFO L82 PathProgramCache]: Analyzing trace with hash -733173343, now seen corresponding path program 1 times [2020-10-16 06:11:37,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:11:37,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146651052] [2020-10-16 06:11:37,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:11:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:11:38,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:11:38,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146651052] [2020-10-16 06:11:38,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:11:38,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:11:38,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761239538] [2020-10-16 06:11:38,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:11:38,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:11:38,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:11:38,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:11:38,028 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 382 [2020-10-16 06:11:38,029 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 218 transitions, 2264 flow. Second operand 7 states. [2020-10-16 06:11:38,029 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:11:38,029 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 382 [2020-10-16 06:11:38,029 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:11:59,676 INFO L129 PetriNetUnfolder]: 95100/170628 cut-off events. [2020-10-16 06:11:59,676 INFO L130 PetriNetUnfolder]: For 592474/592480 co-relation queries the response was YES. [2020-10-16 06:12:00,914 INFO L80 FinitePrefix]: Finished finitePrefix Result has 575229 conditions, 170628 events. 95100/170628 cut-off events. For 592474/592480 co-relation queries the response was YES. Maximal size of possible extension queue 14649. Compared 2118061 event pairs, 10733 based on Foata normal form. 482/142149 useless extension candidates. Maximal degree in co-relation 575193. Up to 48437 conditions per place. [2020-10-16 06:12:01,456 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 266 selfloop transitions, 138 changer transitions 0/425 dead transitions. [2020-10-16 06:12:01,456 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 425 transitions, 4306 flow [2020-10-16 06:12:01,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:12:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:12:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3365 transitions. [2020-10-16 06:12:01,459 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6776077325815546 [2020-10-16 06:12:01,459 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3365 transitions. [2020-10-16 06:12:01,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3365 transitions. [2020-10-16 06:12:01,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:12:01,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3365 transitions. [2020-10-16 06:12:01,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:12:01,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:12:01,465 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:12:01,466 INFO L185 Difference]: Start difference. First operand has 124 places, 218 transitions, 2264 flow. Second operand 13 states and 3365 transitions. [2020-10-16 06:12:01,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 425 transitions, 4306 flow [2020-10-16 06:13:22,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 425 transitions, 4203 flow, removed 45 selfloop flow, removed 1 redundant places. [2020-10-16 06:13:22,211 INFO L241 Difference]: Finished difference. Result has 137 places, 240 transitions, 2772 flow [2020-10-16 06:13:22,211 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=2203, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=2772, PETRI_PLACES=137, PETRI_TRANSITIONS=240} [2020-10-16 06:13:22,212 INFO L342 CegarLoopForPetriNet]: 58 programPoint places, 79 predicate places. [2020-10-16 06:13:22,212 INFO L481 AbstractCegarLoop]: Abstraction has has 137 places, 240 transitions, 2772 flow [2020-10-16 06:13:22,212 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-16 06:13:22,212 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 06:13:22,212 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 06:13:22,212 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-16 06:13:22,212 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 06:13:22,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 06:13:22,212 INFO L82 PathProgramCache]: Analyzing trace with hash -732951042, now seen corresponding path program 1 times [2020-10-16 06:13:22,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 06:13:22,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11285946] [2020-10-16 06:13:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 06:13:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 06:13:22,274 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-16 06:13:22,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11285946] [2020-10-16 06:13:22,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 06:13:22,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-16 06:13:22,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685069635] [2020-10-16 06:13:22,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-16 06:13:22,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 06:13:22,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-16 06:13:22,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-16 06:13:22,277 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 382 [2020-10-16 06:13:22,278 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 240 transitions, 2772 flow. Second operand 7 states. [2020-10-16 06:13:22,279 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 06:13:22,279 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 382 [2020-10-16 06:13:22,279 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 06:13:47,288 INFO L129 PetriNetUnfolder]: 100407/180336 cut-off events. [2020-10-16 06:13:47,288 INFO L130 PetriNetUnfolder]: For 783586/783586 co-relation queries the response was YES. [2020-10-16 06:13:48,638 INFO L80 FinitePrefix]: Finished finitePrefix Result has 632487 conditions, 180336 events. 100407/180336 cut-off events. For 783586/783586 co-relation queries the response was YES. Maximal size of possible extension queue 15462. Compared 2254188 event pairs, 11072 based on Foata normal form. 616/150392 useless extension candidates. Maximal degree in co-relation 632448. Up to 48458 conditions per place. [2020-10-16 06:13:49,216 INFO L132 encePairwiseOnDemand]: 371/382 looper letters, 274 selfloop transitions, 148 changer transitions 0/443 dead transitions. [2020-10-16 06:13:49,216 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 443 transitions, 4857 flow [2020-10-16 06:13:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-16 06:13:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-16 06:13:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3392 transitions. [2020-10-16 06:13:49,220 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.6830447039871124 [2020-10-16 06:13:49,220 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3392 transitions. [2020-10-16 06:13:49,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3392 transitions. [2020-10-16 06:13:49,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 06:13:49,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3392 transitions. [2020-10-16 06:13:49,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2020-10-16 06:13:49,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 14 states. [2020-10-16 06:13:49,226 INFO L81 ComplementDD]: Finished complementDD. Result 14 states. [2020-10-16 06:13:49,226 INFO L185 Difference]: Start difference. First operand has 137 places, 240 transitions, 2772 flow. Second operand 13 states and 3392 transitions. [2020-10-16 06:13:49,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 443 transitions, 4857 flow Received shutdown request... [2020-10-16 06:13:53,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-16 06:13:53,416 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-16 06:13:53,419 WARN L235 ceAbstractionStarter]: Timeout [2020-10-16 06:13:53,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 06:13:53 BasicIcfg [2020-10-16 06:13:53,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 06:13:53,420 INFO L168 Benchmark]: Toolchain (without parser) took 731621.29 ms. Allocated memory was 252.2 MB in the beginning and 6.5 GB in the end (delta: 6.3 GB). Free memory was 207.1 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.4 GB. Max. memory is 14.2 GB. [2020-10-16 06:13:53,420 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 06:13:53,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.69 ms. Allocated memory was 252.2 MB in the beginning and 317.2 MB in the end (delta: 65.0 MB). Free memory was 207.1 MB in the beginning and 270.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. [2020-10-16 06:13:53,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.68 ms. Allocated memory is still 317.2 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 06:13:53,421 INFO L168 Benchmark]: Boogie Preprocessor took 29.91 ms. Allocated memory is still 317.2 MB. Free memory was 270.3 MB in the beginning and 267.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 06:13:53,421 INFO L168 Benchmark]: RCFGBuilder took 458.93 ms. Allocated memory is still 317.2 MB. Free memory was 267.8 MB in the beginning and 243.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-16 06:13:53,421 INFO L168 Benchmark]: TraceAbstraction took 730333.36 ms. Allocated memory was 317.2 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 243.4 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.3 GB. Max. memory is 14.2 GB. [2020-10-16 06:13:53,423 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 252.2 MB. Free memory is still 228.6 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 743.69 ms. Allocated memory was 252.2 MB in the beginning and 317.2 MB in the end (delta: 65.0 MB). Free memory was 207.1 MB in the beginning and 270.3 MB in the end (delta: -63.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 49.68 ms. Allocated memory is still 317.2 MB. Free memory is still 270.3 MB. There was no memory consumed. Max. memory is 14.2 GB. * Boogie Preprocessor took 29.91 ms. Allocated memory is still 317.2 MB. Free memory was 270.3 MB in the beginning and 267.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 458.93 ms. Allocated memory is still 317.2 MB. Free memory was 267.8 MB in the beginning and 243.4 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 730333.36 ms. Allocated memory was 317.2 MB in the beginning and 6.5 GB in the end (delta: 6.2 GB). Free memory was 243.4 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.3 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 866 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 76 PlacesBefore, 17 PlacesAfterwards, 75 TransitionsBefore, 11 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 12 ConcurrentYvCompositions, 5 ChoiceCompositions, 86 TotalNumberOfCompositions, 1210 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 2038 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 26 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 101 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.9s, 95 PlacesBefore, 28 PlacesAfterwards, 94 TransitionsBefore, 23 TransitionsAfterwards, 2844 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 14 ConcurrentYvCompositions, 4 ChoiceCompositions, 91 TotalNumberOfCompositions, 3948 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3478 VarBasedMoverChecksPositive, 62 VarBasedMoverChecksNegative, 18 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 169 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 114 PlacesBefore, 36 PlacesAfterwards, 113 TransitionsBefore, 30 TransitionsAfterwards, 5130 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 16 ConcurrentYvCompositions, 5 ChoiceCompositions, 105 TotalNumberOfCompositions, 8097 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5245 VarBasedMoverChecksPositive, 133 VarBasedMoverChecksNegative, 76 SemBasedMoverChecksPositive, 57 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 222 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.4s, 133 PlacesBefore, 44 PlacesAfterwards, 132 TransitionsBefore, 37 TransitionsAfterwards, 8100 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 72 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 17 ConcurrentYvCompositions, 6 ChoiceCompositions, 127 TotalNumberOfCompositions, 15232 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7866 VarBasedMoverChecksPositive, 154 VarBasedMoverChecksNegative, 84 SemBasedMoverChecksPositive, 70 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 300 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.3s, 152 PlacesBefore, 51 PlacesAfterwards, 151 TransitionsBefore, 44 TransitionsAfterwards, 11754 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 88 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 22 ConcurrentYvCompositions, 6 ChoiceCompositions, 144 TotalNumberOfCompositions, 20347 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 10758 VarBasedMoverChecksPositive, 194 VarBasedMoverChecksNegative, 106 SemBasedMoverChecksPositive, 88 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 608 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 5.1s, 171 PlacesBefore, 58 PlacesAfterwards, 170 TransitionsBefore, 51 TransitionsAfterwards, 16092 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 27 ConcurrentYvCompositions, 6 ChoiceCompositions, 161 TotalNumberOfCompositions, 27133 MoverChecksTotal - TimeoutResultAtElement [Line: 678]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 678). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 71 locations, 1 error locations. Started 6 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 729.9s, OverallIterations: 44, TraceHistogramMax: 6, AutomataDifference: 701.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 23.5s, HoareTripleCheckerStatistics: 299 SDtfs, 3596 SDslu, 408 SDs, 0 SdLazy, 6504 SolverSat, 488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2772occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 64650 SizeOfPredicates, 24 NumberOfNonLiveVariables, 857 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 45 InterpolantComputations, 33 PerfectInterpolantSequences, 164/182 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown