/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 21:28:26,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 21:28:26,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 21:28:26,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-11 21:28:26,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 21:28:26,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 21:28:26,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 21:28:26,266 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.epf [2021-03-11 21:28:26,285 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 21:28:26,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 21:28:26,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 21:28:26,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 21:28:26,288 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 21:28:26,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 21:28:26,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 21:28:26,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 21:28:26,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 21:28:26,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 21:28:26,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 21:28:26,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 21:28:26,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 21:28:26,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 21:28:26,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 21:28:26,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 21:28:26,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 21:28:26,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 21:28:26,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 21:28:26,561 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 21:28:26,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-03-11 21:28:26,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdea0c2/958ce7121271498b90b1ed2678a09b01/FLAG2ae30d99e [2021-03-11 21:28:27,042 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 21:28:27,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i [2021-03-11 21:28:27,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdea0c2/958ce7121271498b90b1ed2678a09b01/FLAG2ae30d99e [2021-03-11 21:28:27,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdea0c2/958ce7121271498b90b1ed2678a09b01 [2021-03-11 21:28:27,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 21:28:27,075 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 21:28:27,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 21:28:27,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 21:28:27,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 21:28:27,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2a9c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27, skipping insertion in model container [2021-03-11 21:28:27,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 21:28:27,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 21:28:27,438 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41060,41073] [2021-03-11 21:28:27,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 21:28:27,476 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 21:28:27,505 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_06-cond_racing1.i[41060,41073] [2021-03-11 21:28:27,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 21:28:27,579 INFO L208 MainTranslator]: Completed translation [2021-03-11 21:28:27,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27 WrapperNode [2021-03-11 21:28:27,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 21:28:27,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 21:28:27,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 21:28:27,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 21:28:27,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 21:28:27,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 21:28:27,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 21:28:27,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 21:28:27,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (1/1) ... [2021-03-11 21:28:27,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 21:28:27,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 21:28:27,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 21:28:27,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 21:28:27,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (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 [2021-03-11 21:28:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 21:28:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 21:28:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 21:28:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 21:28:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 21:28:27,707 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-03-11 21:28:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-03-11 21:28:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 21:28:27,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 21:28:27,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 21:28:27,709 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 21:28:27,998 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 21:28:27,998 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-03-11 21:28:27,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:28:27 BoogieIcfgContainer [2021-03-11 21:28:27,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 21:28:28,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 21:28:28,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 21:28:28,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 21:28:28,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 09:28:27" (1/3) ... [2021-03-11 21:28:28,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b93a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:28:28, skipping insertion in model container [2021-03-11 21:28:28,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:28:27" (2/3) ... [2021-03-11 21:28:28,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b93a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:28:28, skipping insertion in model container [2021-03-11 21:28:28,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:28:27" (3/3) ... [2021-03-11 21:28:28,003 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_06-cond_racing1.i [2021-03-11 21:28:28,007 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 21:28:28,010 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 21:28:28,010 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 21:28:28,038 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,039 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,040 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,041 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,042 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,043 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,044 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,045 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,049 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,050 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,050 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,051 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,051 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:28,058 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-03-11 21:28:28,070 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 21:28:28,089 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 21:28:28,089 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 21:28:28,090 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 21:28:28,090 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 21:28:28,090 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 21:28:28,090 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 21:28:28,090 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 21:28:28,090 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 21:28:28,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 115 transitions, 238 flow [2021-03-11 21:28:28,156 INFO L129 PetriNetUnfolder]: 23/155 cut-off events. [2021-03-11 21:28:28,157 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 21:28:28,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 155 events. 23/155 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 367 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-03-11 21:28:28,162 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 115 transitions, 238 flow [2021-03-11 21:28:28,166 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 110 transitions, 225 flow [2021-03-11 21:28:28,168 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 21:28:28,175 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 110 transitions, 225 flow [2021-03-11 21:28:28,176 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 110 transitions, 225 flow [2021-03-11 21:28:28,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 99 places, 110 transitions, 225 flow [2021-03-11 21:28:28,215 INFO L129 PetriNetUnfolder]: 22/150 cut-off events. [2021-03-11 21:28:28,215 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:28:28,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 150 events. 22/150 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 363 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 76. Up to 6 conditions per place. [2021-03-11 21:28:28,218 INFO L116 LiptonReduction]: Number of co-enabled transitions 2520 [2021-03-11 21:28:31,277 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2021-03-11 21:28:31,389 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-11 21:28:31,677 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2021-03-11 21:28:31,785 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-11 21:28:32,990 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2021-03-11 21:28:33,405 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:28:34,301 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2021-03-11 21:28:34,716 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:28:34,719 INFO L131 LiptonReduction]: Checked pairs total: 3760 [2021-03-11 21:28:34,719 INFO L133 LiptonReduction]: Total number of compositions: 102 [2021-03-11 21:28:34,721 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6555 [2021-03-11 21:28:34,734 INFO L129 PetriNetUnfolder]: 3/14 cut-off events. [2021-03-11 21:28:34,734 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:28:34,735 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:34,735 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 21:28:34,735 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:34,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:34,738 INFO L82 PathProgramCache]: Analyzing trace with hash 14028841, now seen corresponding path program 1 times [2021-03-11 21:28:34,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:34,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919386034] [2021-03-11 21:28:34,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:34,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:34,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:34,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:34,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:28:34,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919386034] [2021-03-11 21:28:34,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:28:34,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:28:34,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032126568] [2021-03-11 21:28:34,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:28:34,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:28:34,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:28:34,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:28:34,867 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 217 [2021-03-11 21:28:34,869 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 32 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:34,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:28:34,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 217 [2021-03-11 21:28:34,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:28:34,881 INFO L129 PetriNetUnfolder]: 1/24 cut-off events. [2021-03-11 21:28:34,882 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:28:34,882 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36 conditions, 24 events. 1/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 40 event pairs, 0 based on Foata normal form. 16/36 useless extension candidates. Maximal degree in co-relation 24. Up to 5 conditions per place. [2021-03-11 21:28:34,882 INFO L132 encePairwiseOnDemand]: 204/217 looper letters, 3 selfloop transitions, 2 changer transitions 6/24 dead transitions. [2021-03-11 21:28:34,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 24 transitions, 65 flow [2021-03-11 21:28:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:28:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:28:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2021-03-11 21:28:34,891 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7818740399385561 [2021-03-11 21:28:34,891 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 509 transitions. [2021-03-11 21:28:34,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 509 transitions. [2021-03-11 21:28:34,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:28:34,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 509 transitions. [2021-03-11 21:28:34,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:34,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:34,901 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 217.0) internal successors, (868), 4 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:34,902 INFO L185 Difference]: Start difference. First operand has 25 places, 32 transitions, 69 flow. Second operand 3 states and 509 transitions. [2021-03-11 21:28:34,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 24 transitions, 65 flow [2021-03-11 21:28:34,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 24 transitions, 65 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:28:34,904 INFO L241 Difference]: Finished difference. Result has 28 places, 17 transitions, 47 flow [2021-03-11 21:28:34,905 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=28, PETRI_TRANSITIONS=17} [2021-03-11 21:28:34,906 INFO L335 CegarLoopForPetriNet]: 25 programPoint places, 3 predicate places. [2021-03-11 21:28:34,906 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 17 transitions, 47 flow [2021-03-11 21:28:34,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 162.66666666666666) internal successors, (488), 3 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:34,906 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:34,907 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2021-03-11 21:28:34,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 21:28:34,907 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:34,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:34,907 INFO L82 PathProgramCache]: Analyzing trace with hash 516154774, now seen corresponding path program 1 times [2021-03-11 21:28:34,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:34,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627298795] [2021-03-11 21:28:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:28:34,934 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:28:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:28:34,952 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:28:34,964 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 21:28:34,964 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 21:28:34,965 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 21:28:34,965 WARN L342 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-11 21:28:34,965 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-03-11 21:28:34,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,978 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,978 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,978 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:34,981 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-11 21:28:34,982 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 21:28:34,983 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 21:28:34,983 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 21:28:34,983 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 21:28:34,983 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 21:28:34,983 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 21:28:34,983 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 21:28:34,983 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 21:28:34,983 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 21:28:34,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 145 transitions, 308 flow [2021-03-11 21:28:35,000 INFO L129 PetriNetUnfolder]: 40/248 cut-off events. [2021-03-11 21:28:35,000 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-11 21:28:35,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 248 events. 40/248 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 756 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 157. Up to 9 conditions per place. [2021-03-11 21:28:35,001 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 145 transitions, 308 flow [2021-03-11 21:28:35,002 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 145 transitions, 308 flow [2021-03-11 21:28:35,002 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 21:28:35,002 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 145 transitions, 308 flow [2021-03-11 21:28:35,003 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 145 transitions, 308 flow [2021-03-11 21:28:35,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 145 transitions, 308 flow [2021-03-11 21:28:35,017 INFO L129 PetriNetUnfolder]: 40/248 cut-off events. [2021-03-11 21:28:35,017 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-11 21:28:35,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 262 conditions, 248 events. 40/248 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 769 event pairs, 0 based on Foata normal form. 0/201 useless extension candidates. Maximal degree in co-relation 157. Up to 9 conditions per place. [2021-03-11 21:28:35,023 INFO L116 LiptonReduction]: Number of co-enabled transitions 7224 [2021-03-11 21:28:38,792 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2021-03-11 21:28:38,970 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-11 21:28:39,344 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2021-03-11 21:28:39,517 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-11 21:28:40,417 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:28:40,844 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:28:42,082 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:28:42,528 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:28:42,554 INFO L131 LiptonReduction]: Checked pairs total: 15531 [2021-03-11 21:28:42,554 INFO L133 LiptonReduction]: Total number of compositions: 127 [2021-03-11 21:28:42,554 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7552 [2021-03-11 21:28:42,556 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-03-11 21:28:42,556 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:28:42,556 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:42,556 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 21:28:42,556 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:42,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:42,557 INFO L82 PathProgramCache]: Analyzing trace with hash 23297082, now seen corresponding path program 1 times [2021-03-11 21:28:42,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:42,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573840814] [2021-03-11 21:28:42,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:42,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:28:42,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573840814] [2021-03-11 21:28:42,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:28:42,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:28:42,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529045456] [2021-03-11 21:28:42,641 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:28:42,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:28:42,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:28:42,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:28:42,642 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 272 [2021-03-11 21:28:42,643 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 56 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,643 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:28:42,643 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 272 [2021-03-11 21:28:42,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:28:42,655 INFO L129 PetriNetUnfolder]: 4/65 cut-off events. [2021-03-11 21:28:42,655 INFO L130 PetriNetUnfolder]: For 6/11 co-relation queries the response was YES. [2021-03-11 21:28:42,655 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 65 events. 4/65 cut-off events. For 6/11 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 158 event pairs, 0 based on Foata normal form. 39/93 useless extension candidates. Maximal degree in co-relation 54. Up to 9 conditions per place. [2021-03-11 21:28:42,655 INFO L132 encePairwiseOnDemand]: 254/272 looper letters, 4 selfloop transitions, 2 changer transitions 10/44 dead transitions. [2021-03-11 21:28:42,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 120 flow [2021-03-11 21:28:42,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:28:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:28:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 623 transitions. [2021-03-11 21:28:42,658 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7634803921568627 [2021-03-11 21:28:42,658 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 623 transitions. [2021-03-11 21:28:42,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 623 transitions. [2021-03-11 21:28:42,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:28:42,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 623 transitions. [2021-03-11 21:28:42,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,662 INFO L185 Difference]: Start difference. First operand has 44 places, 56 transitions, 130 flow. Second operand 3 states and 623 transitions. [2021-03-11 21:28:42,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 120 flow [2021-03-11 21:28:42,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 120 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:28:42,663 INFO L241 Difference]: Finished difference. Result has 47 places, 33 transitions, 88 flow [2021-03-11 21:28:42,663 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=47, PETRI_TRANSITIONS=33} [2021-03-11 21:28:42,663 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, 3 predicate places. [2021-03-11 21:28:42,663 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 33 transitions, 88 flow [2021-03-11 21:28:42,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,664 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:42,664 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:28:42,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 21:28:42,664 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:42,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:42,664 INFO L82 PathProgramCache]: Analyzing trace with hash 689118887, now seen corresponding path program 1 times [2021-03-11 21:28:42,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:42,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70131548] [2021-03-11 21:28:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:42,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:28:42,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70131548] [2021-03-11 21:28:42,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028829264] [2021-03-11 21:28:42,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-03-11 21:28:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:42,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-11 21:28:42,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:28:42,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:28:42,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:28:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:28:42,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,789 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:28:42,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:28:42,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:28:42,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:42,797 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:28:42,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,799 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:42,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:28:42,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:28:42,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-11 21:28:42,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535975422] [2021-03-11 21:28:42,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 21:28:42,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:28:42,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 21:28:42,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-11 21:28:42,803 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 272 [2021-03-11 21:28:42,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 33 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 199.4) internal successors, (997), 5 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:28:42,804 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 272 [2021-03-11 21:28:42,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:28:42,817 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-11 21:28:42,817 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 21:28:42,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 36 events. 0/36 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-11 21:28:42,817 INFO L132 encePairwiseOnDemand]: 269/272 looper letters, 4 selfloop transitions, 3 changer transitions 0/35 dead transitions. [2021-03-11 21:28:42,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 35 transitions, 106 flow [2021-03-11 21:28:42,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 21:28:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 21:28:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 800 transitions. [2021-03-11 21:28:42,819 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7352941176470589 [2021-03-11 21:28:42,819 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 800 transitions. [2021-03-11 21:28:42,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 800 transitions. [2021-03-11 21:28:42,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:28:42,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 800 transitions. [2021-03-11 21:28:42,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 200.0) internal successors, (800), 4 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,823 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,823 INFO L185 Difference]: Start difference. First operand has 47 places, 33 transitions, 88 flow. Second operand 4 states and 800 transitions. [2021-03-11 21:28:42,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 35 transitions, 106 flow [2021-03-11 21:28:42,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 35 transitions, 102 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-11 21:28:42,824 INFO L241 Difference]: Finished difference. Result has 43 places, 33 transitions, 94 flow [2021-03-11 21:28:42,824 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2021-03-11 21:28:42,825 INFO L335 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2021-03-11 21:28:42,825 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 94 flow [2021-03-11 21:28:42,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 199.4) internal successors, (997), 5 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:42,825 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:42,826 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2021-03-11 21:28:43,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:28:43,034 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:43,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:43,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1638665196, now seen corresponding path program 1 times [2021-03-11 21:28:43,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:43,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584441652] [2021-03-11 21:28:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:28:43,063 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:28:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:28:43,075 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:28:43,086 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 21:28:43,086 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 21:28:43,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 21:28:43,086 WARN L342 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-11 21:28:43,087 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-03-11 21:28:43,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,096 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,096 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,096 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,097 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,098 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,100 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,101 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,102 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,106 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,107 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,108 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,109 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,110 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,111 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,111 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,112 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,113 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,113 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,114 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,114 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:43,116 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-03-11 21:28:43,116 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 21:28:43,117 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 21:28:43,117 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 21:28:43,117 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 21:28:43,117 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 21:28:43,117 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 21:28:43,117 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 21:28:43,117 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 21:28:43,117 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 21:28:43,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 175 transitions, 380 flow [2021-03-11 21:28:43,147 INFO L129 PetriNetUnfolder]: 62/372 cut-off events. [2021-03-11 21:28:43,147 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-11 21:28:43,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 372 events. 62/372 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1283 event pairs, 1 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 256. Up to 16 conditions per place. [2021-03-11 21:28:43,149 INFO L82 GeneralOperation]: Start removeDead. Operand has 153 places, 175 transitions, 380 flow [2021-03-11 21:28:43,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 175 transitions, 380 flow [2021-03-11 21:28:43,151 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 21:28:43,151 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 175 transitions, 380 flow [2021-03-11 21:28:43,152 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 175 transitions, 380 flow [2021-03-11 21:28:43,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 153 places, 175 transitions, 380 flow [2021-03-11 21:28:43,176 INFO L129 PetriNetUnfolder]: 62/372 cut-off events. [2021-03-11 21:28:43,176 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-11 21:28:43,178 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 372 events. 62/372 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1313 event pairs, 1 based on Foata normal form. 0/302 useless extension candidates. Maximal degree in co-relation 256. Up to 16 conditions per place. [2021-03-11 21:28:43,186 INFO L116 LiptonReduction]: Number of co-enabled transitions 13440 [2021-03-11 21:28:46,544 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-03-11 21:28:46,843 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 82 [2021-03-11 21:28:47,627 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-11 21:28:47,808 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-11 21:28:48,211 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-11 21:28:48,405 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-11 21:28:49,593 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:28:50,042 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:28:51,028 WARN L205 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:28:51,436 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:28:51,443 INFO L131 LiptonReduction]: Checked pairs total: 30642 [2021-03-11 21:28:51,443 INFO L133 LiptonReduction]: Total number of compositions: 146 [2021-03-11 21:28:51,443 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8292 [2021-03-11 21:28:51,445 INFO L129 PetriNetUnfolder]: 2/12 cut-off events. [2021-03-11 21:28:51,445 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:28:51,445 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:51,445 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 21:28:51,445 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:51,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:51,446 INFO L82 PathProgramCache]: Analyzing trace with hash 34116516, now seen corresponding path program 1 times [2021-03-11 21:28:51,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:51,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817797872] [2021-03-11 21:28:51,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:51,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:28:51,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817797872] [2021-03-11 21:28:51,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:28:51,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:28:51,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35203660] [2021-03-11 21:28:51,463 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:28:51,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:28:51,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:28:51,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:28:51,464 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 321 [2021-03-11 21:28:51,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 75 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:28:51,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 321 [2021-03-11 21:28:51,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:28:51,484 INFO L129 PetriNetUnfolder]: 10/111 cut-off events. [2021-03-11 21:28:51,484 INFO L130 PetriNetUnfolder]: For 19/28 co-relation queries the response was YES. [2021-03-11 21:28:51,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 111 events. 10/111 cut-off events. For 19/28 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 359 event pairs, 1 based on Foata normal form. 78/170 useless extension candidates. Maximal degree in co-relation 99. Up to 13 conditions per place. [2021-03-11 21:28:51,484 INFO L132 encePairwiseOnDemand]: 297/321 looper letters, 4 selfloop transitions, 2 changer transitions 11/57 dead transitions. [2021-03-11 21:28:51,484 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 57 transitions, 158 flow [2021-03-11 21:28:51,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:28:51,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:28:51,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 731 transitions. [2021-03-11 21:28:51,486 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7590861889927311 [2021-03-11 21:28:51,486 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 731 transitions. [2021-03-11 21:28:51,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 731 transitions. [2021-03-11 21:28:51,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:28:51,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 731 transitions. [2021-03-11 21:28:51,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,490 INFO L185 Difference]: Start difference. First operand has 58 places, 75 transitions, 180 flow. Second operand 3 states and 731 transitions. [2021-03-11 21:28:51,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 57 transitions, 158 flow [2021-03-11 21:28:51,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 57 transitions, 158 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:28:51,491 INFO L241 Difference]: Finished difference. Result has 61 places, 45 transitions, 121 flow [2021-03-11 21:28:51,491 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=121, PETRI_PLACES=61, PETRI_TRANSITIONS=45} [2021-03-11 21:28:51,491 INFO L335 CegarLoopForPetriNet]: 58 programPoint places, 3 predicate places. [2021-03-11 21:28:51,491 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 45 transitions, 121 flow [2021-03-11 21:28:51,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,492 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:51,492 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:28:51,492 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-11 21:28:51,492 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:51,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:51,492 INFO L82 PathProgramCache]: Analyzing trace with hash -433647894, now seen corresponding path program 1 times [2021-03-11 21:28:51,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:51,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624648877] [2021-03-11 21:28:51,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:51,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:28:51,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624648877] [2021-03-11 21:28:51,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442758868] [2021-03-11 21:28:51,512 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 [2021-03-11 21:28:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:51,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-11 21:28:51,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:28:51,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:28:51,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:28:51,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:28:51,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:28:51,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:28:51,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:28:51,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,614 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:28:51,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:28:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:28:51,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:28:51,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-11 21:28:51,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141527643] [2021-03-11 21:28:51,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 21:28:51,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:28:51,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 21:28:51,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-11 21:28:51,621 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 321 [2021-03-11 21:28:51,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 45 transitions, 121 flow. Second operand has 5 states, 5 states have (on average 233.4) internal successors, (1167), 5 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:28:51,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 321 [2021-03-11 21:28:51,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:28:51,640 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2021-03-11 21:28:51,641 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-11 21:28:51,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 54 events. 0/54 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 1/55 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2021-03-11 21:28:51,641 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 5 selfloop transitions, 3 changer transitions 0/48 dead transitions. [2021-03-11 21:28:51,641 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 48 transitions, 145 flow [2021-03-11 21:28:51,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 21:28:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 21:28:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 937 transitions. [2021-03-11 21:28:51,643 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7297507788161994 [2021-03-11 21:28:51,643 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 937 transitions. [2021-03-11 21:28:51,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 937 transitions. [2021-03-11 21:28:51,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:28:51,643 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 937 transitions. [2021-03-11 21:28:51,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 234.25) internal successors, (937), 4 states have internal predecessors, (937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,646 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,647 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,647 INFO L185 Difference]: Start difference. First operand has 61 places, 45 transitions, 121 flow. Second operand 4 states and 937 transitions. [2021-03-11 21:28:51,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 48 transitions, 145 flow [2021-03-11 21:28:51,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 48 transitions, 137 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-11 21:28:51,649 INFO L241 Difference]: Finished difference. Result has 57 places, 46 transitions, 129 flow [2021-03-11 21:28:51,649 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2021-03-11 21:28:51,649 INFO L335 CegarLoopForPetriNet]: 58 programPoint places, -1 predicate places. [2021-03-11 21:28:51,649 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 129 flow [2021-03-11 21:28:51,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 233.4) internal successors, (1167), 5 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,650 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:51,650 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-03-11 21:28:51,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:28:51,864 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:51,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:51,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1444892623, now seen corresponding path program 1 times [2021-03-11 21:28:51,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:51,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891894038] [2021-03-11 21:28:51,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:28:51,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:28:51,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:28:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-11 21:28:51,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891894038] [2021-03-11 21:28:51,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:28:51,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 21:28:51,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089331313] [2021-03-11 21:28:51,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:28:51,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:28:51,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:28:51,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:28:51,912 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 229 out of 321 [2021-03-11 21:28:51,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:51,913 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:28:51,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 229 of 321 [2021-03-11 21:28:51,914 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:28:51,999 INFO L129 PetriNetUnfolder]: 484/1082 cut-off events. [2021-03-11 21:28:51,999 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-11 21:28:52,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1859 conditions, 1082 events. 484/1082 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7353 event pairs, 295 based on Foata normal form. 8/1052 useless extension candidates. Maximal degree in co-relation 1834. Up to 735 conditions per place. [2021-03-11 21:28:52,005 INFO L132 encePairwiseOnDemand]: 316/321 looper letters, 16 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2021-03-11 21:28:52,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 52 transitions, 181 flow [2021-03-11 21:28:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:28:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:28:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 708 transitions. [2021-03-11 21:28:52,007 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.735202492211838 [2021-03-11 21:28:52,007 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 708 transitions. [2021-03-11 21:28:52,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 708 transitions. [2021-03-11 21:28:52,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:28:52,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 708 transitions. [2021-03-11 21:28:52,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 236.0) internal successors, (708), 3 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:52,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:52,010 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:52,010 INFO L185 Difference]: Start difference. First operand has 57 places, 46 transitions, 129 flow. Second operand 3 states and 708 transitions. [2021-03-11 21:28:52,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 52 transitions, 181 flow [2021-03-11 21:28:52,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 52 transitions, 175 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-11 21:28:52,011 INFO L241 Difference]: Finished difference. Result has 58 places, 49 transitions, 149 flow [2021-03-11 21:28:52,012 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=58, PETRI_TRANSITIONS=49} [2021-03-11 21:28:52,012 INFO L335 CegarLoopForPetriNet]: 58 programPoint places, 0 predicate places. [2021-03-11 21:28:52,012 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 49 transitions, 149 flow [2021-03-11 21:28:52,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 229.66666666666666) internal successors, (689), 3 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:28:52,012 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:28:52,012 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2021-03-11 21:28:52,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-11 21:28:52,012 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:28:52,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:28:52,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1576909713, now seen corresponding path program 1 times [2021-03-11 21:28:52,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:28:52,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093596705] [2021-03-11 21:28:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:28:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:28:52,033 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:28:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:28:52,048 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:28:52,059 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 21:28:52,059 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 21:28:52,059 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-11 21:28:52,059 WARN L342 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-11 21:28:52,060 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,072 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,076 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,082 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:28:52,088 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 21:28:52,088 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 21:28:52,088 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 21:28:52,088 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 21:28:52,089 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 21:28:52,089 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 21:28:52,089 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 21:28:52,089 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 21:28:52,089 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 21:28:52,089 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 21:28:52,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 205 transitions, 454 flow [2021-03-11 21:28:52,124 INFO L129 PetriNetUnfolder]: 96/560 cut-off events. [2021-03-11 21:28:52,124 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-03-11 21:28:52,128 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 560 events. 96/560 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2207 event pairs, 6 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 392. Up to 32 conditions per place. [2021-03-11 21:28:52,128 INFO L82 GeneralOperation]: Start removeDead. Operand has 178 places, 205 transitions, 454 flow [2021-03-11 21:28:52,131 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 178 places, 205 transitions, 454 flow [2021-03-11 21:28:52,131 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 21:28:52,131 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 178 places, 205 transitions, 454 flow [2021-03-11 21:28:52,131 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 178 places, 205 transitions, 454 flow [2021-03-11 21:28:52,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 178 places, 205 transitions, 454 flow [2021-03-11 21:28:52,165 INFO L129 PetriNetUnfolder]: 96/560 cut-off events. [2021-03-11 21:28:52,166 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2021-03-11 21:28:52,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 560 events. 96/560 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2183 event pairs, 6 based on Foata normal form. 0/459 useless extension candidates. Maximal degree in co-relation 392. Up to 32 conditions per place. [2021-03-11 21:28:52,182 INFO L116 LiptonReduction]: Number of co-enabled transitions 21392 [2021-03-11 21:28:56,351 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2021-03-11 21:28:56,475 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-11 21:28:56,735 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2021-03-11 21:28:56,849 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-11 21:28:58,544 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2021-03-11 21:28:59,020 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:28:59,952 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 166 [2021-03-11 21:29:00,413 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:29:00,424 INFO L131 LiptonReduction]: Checked pairs total: 56142 [2021-03-11 21:29:00,424 INFO L133 LiptonReduction]: Total number of compositions: 167 [2021-03-11 21:29:00,424 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8293 [2021-03-11 21:29:00,426 INFO L129 PetriNetUnfolder]: 2/11 cut-off events. [2021-03-11 21:29:00,426 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:29:00,426 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:00,426 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 21:29:00,426 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:00,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:00,427 INFO L82 PathProgramCache]: Analyzing trace with hash 46492274, now seen corresponding path program 1 times [2021-03-11 21:29:00,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:00,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716287299] [2021-03-11 21:29:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:00,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:00,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716287299] [2021-03-11 21:29:00,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:29:00,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:29:00,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659921130] [2021-03-11 21:29:00,456 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:29:00,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:00,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:29:00,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:29:00,457 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 372 [2021-03-11 21:29:00,458 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 94 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,458 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:00,458 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 372 [2021-03-11 21:29:00,458 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:00,478 INFO L129 PetriNetUnfolder]: 24/185 cut-off events. [2021-03-11 21:29:00,479 INFO L130 PetriNetUnfolder]: For 48/61 co-relation queries the response was YES. [2021-03-11 21:29:00,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 185 events. 24/185 cut-off events. For 48/61 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 741 event pairs, 6 based on Foata normal form. 130/284 useless extension candidates. Maximal degree in co-relation 163. Up to 32 conditions per place. [2021-03-11 21:29:00,479 INFO L132 encePairwiseOnDemand]: 342/372 looper letters, 4 selfloop transitions, 2 changer transitions 12/70 dead transitions. [2021-03-11 21:29:00,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 70 transitions, 198 flow [2021-03-11 21:29:00,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:29:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:29:00,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 842 transitions. [2021-03-11 21:29:00,481 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7544802867383512 [2021-03-11 21:29:00,481 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 842 transitions. [2021-03-11 21:29:00,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 842 transitions. [2021-03-11 21:29:00,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:00,482 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 842 transitions. [2021-03-11 21:29:00,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.6666666666667) internal successors, (842), 3 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,484 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 372.0) internal successors, (1488), 4 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,486 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 372.0) internal successors, (1488), 4 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,486 INFO L185 Difference]: Start difference. First operand has 72 places, 94 transitions, 232 flow. Second operand 3 states and 842 transitions. [2021-03-11 21:29:00,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 70 transitions, 198 flow [2021-03-11 21:29:00,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 70 transitions, 198 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:29:00,490 INFO L241 Difference]: Finished difference. Result has 75 places, 57 transitions, 156 flow [2021-03-11 21:29:00,490 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=372, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=156, PETRI_PLACES=75, PETRI_TRANSITIONS=57} [2021-03-11 21:29:00,490 INFO L335 CegarLoopForPetriNet]: 72 programPoint places, 3 predicate places. [2021-03-11 21:29:00,490 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 57 transitions, 156 flow [2021-03-11 21:29:00,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,490 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:00,490 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:00,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-11 21:29:00,490 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:00,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:00,491 INFO L82 PathProgramCache]: Analyzing trace with hash 468283083, now seen corresponding path program 1 times [2021-03-11 21:29:00,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:00,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112934241] [2021-03-11 21:29:00,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:00,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:00,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112934241] [2021-03-11 21:29:00,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006119261] [2021-03-11 21:29:00,511 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 [2021-03-11 21:29:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:00,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-11 21:29:00,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:29:00,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:00,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:00,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:00,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:00,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:00,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:00,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,602 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:29:00,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:00,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:29:00,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-11 21:29:00,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617992930] [2021-03-11 21:29:00,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 21:29:00,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:00,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 21:29:00,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-11 21:29:00,609 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 372 [2021-03-11 21:29:00,610 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 57 transitions, 156 flow. Second operand has 5 states, 5 states have (on average 268.4) internal successors, (1342), 5 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,610 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:00,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 372 [2021-03-11 21:29:00,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:00,627 INFO L129 PetriNetUnfolder]: 0/72 cut-off events. [2021-03-11 21:29:00,627 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-03-11 21:29:00,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 72 events. 0/72 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 177 event pairs, 0 based on Foata normal form. 1/73 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place. [2021-03-11 21:29:00,627 INFO L132 encePairwiseOnDemand]: 369/372 looper letters, 5 selfloop transitions, 3 changer transitions 0/60 dead transitions. [2021-03-11 21:29:00,627 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 60 transitions, 180 flow [2021-03-11 21:29:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 21:29:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 21:29:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1077 transitions. [2021-03-11 21:29:00,629 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7237903225806451 [2021-03-11 21:29:00,629 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1077 transitions. [2021-03-11 21:29:00,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1077 transitions. [2021-03-11 21:29:00,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:00,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1077 transitions. [2021-03-11 21:29:00,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 269.25) internal successors, (1077), 4 states have internal predecessors, (1077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,633 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 372.0) internal successors, (1860), 5 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,633 INFO L185 Difference]: Start difference. First operand has 75 places, 57 transitions, 156 flow. Second operand 4 states and 1077 transitions. [2021-03-11 21:29:00,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 60 transitions, 180 flow [2021-03-11 21:29:00,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 166 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-11 21:29:00,635 INFO L241 Difference]: Finished difference. Result has 71 places, 58 transitions, 158 flow [2021-03-11 21:29:00,635 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=372, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=158, PETRI_PLACES=71, PETRI_TRANSITIONS=58} [2021-03-11 21:29:00,635 INFO L335 CegarLoopForPetriNet]: 72 programPoint places, -1 predicate places. [2021-03-11 21:29:00,635 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 58 transitions, 158 flow [2021-03-11 21:29:00,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 268.4) internal successors, (1342), 5 states have internal predecessors, (1342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,636 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:00,636 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:00,850 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-03-11 21:29:00,850 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:00,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1107720003, now seen corresponding path program 1 times [2021-03-11 21:29:00,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:00,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836807758] [2021-03-11 21:29:00,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:00,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:00,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-11 21:29:00,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836807758] [2021-03-11 21:29:00,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:29:00,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 21:29:00,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601388727] [2021-03-11 21:29:00,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:29:00,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:00,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:29:00,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:29:00,876 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 372 [2021-03-11 21:29:00,876 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 58 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:00,876 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:00,876 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 372 [2021-03-11 21:29:00,876 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:01,285 INFO L129 PetriNetUnfolder]: 3620/6682 cut-off events. [2021-03-11 21:29:01,286 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-11 21:29:01,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11712 conditions, 6682 events. 3620/6682 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 55239 event pairs, 2965 based on Foata normal form. 17/6456 useless extension candidates. Maximal degree in co-relation 11686. Up to 4960 conditions per place. [2021-03-11 21:29:01,335 INFO L132 encePairwiseOnDemand]: 366/372 looper letters, 21 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2021-03-11 21:29:01,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 66 transitions, 226 flow [2021-03-11 21:29:01,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:29:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:29:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 798 transitions. [2021-03-11 21:29:01,338 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7150537634408602 [2021-03-11 21:29:01,338 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 798 transitions. [2021-03-11 21:29:01,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 798 transitions. [2021-03-11 21:29:01,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:01,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 798 transitions. [2021-03-11 21:29:01,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 266.0) internal successors, (798), 3 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 372.0) internal successors, (1488), 4 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 372.0) internal successors, (1488), 4 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,341 INFO L185 Difference]: Start difference. First operand has 71 places, 58 transitions, 158 flow. Second operand 3 states and 798 transitions. [2021-03-11 21:29:01,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 66 transitions, 226 flow [2021-03-11 21:29:01,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 66 transitions, 220 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-11 21:29:01,343 INFO L241 Difference]: Finished difference. Result has 72 places, 62 transitions, 185 flow [2021-03-11 21:29:01,343 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=372, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=185, PETRI_PLACES=72, PETRI_TRANSITIONS=62} [2021-03-11 21:29:01,343 INFO L335 CegarLoopForPetriNet]: 72 programPoint places, 0 predicate places. [2021-03-11 21:29:01,343 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 62 transitions, 185 flow [2021-03-11 21:29:01,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 257.6666666666667) internal successors, (773), 3 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,344 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:01,344 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:01,344 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-11 21:29:01,344 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:01,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:01,344 INFO L82 PathProgramCache]: Analyzing trace with hash -285544726, now seen corresponding path program 1 times [2021-03-11 21:29:01,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:01,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655369721] [2021-03-11 21:29:01,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:01,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:01,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655369721] [2021-03-11 21:29:01,375 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989114455] [2021-03-11 21:29:01,375 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 [2021-03-11 21:29:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:01,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-11 21:29:01,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:29:01,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:01,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:01,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:01,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:01,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:01,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:01,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:01,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:01,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:01,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:01,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:01,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:01,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:01,515 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:29:01,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:01,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:01,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:01,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:29:01,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-11 21:29:01,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356763108] [2021-03-11 21:29:01,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 21:29:01,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:01,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 21:29:01,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-11 21:29:01,526 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 372 [2021-03-11 21:29:01,527 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 62 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 268.5) internal successors, (1611), 6 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,527 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:01,527 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 372 [2021-03-11 21:29:01,527 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:01,578 INFO L129 PetriNetUnfolder]: 54/310 cut-off events. [2021-03-11 21:29:01,578 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-03-11 21:29:01,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 452 conditions, 310 events. 54/310 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1653 event pairs, 28 based on Foata normal form. 1/300 useless extension candidates. Maximal degree in co-relation 422. Up to 92 conditions per place. [2021-03-11 21:29:01,580 INFO L132 encePairwiseOnDemand]: 369/372 looper letters, 6 selfloop transitions, 4 changer transitions 0/66 dead transitions. [2021-03-11 21:29:01,580 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 66 transitions, 217 flow [2021-03-11 21:29:01,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 21:29:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 21:29:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1346 transitions. [2021-03-11 21:29:01,583 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7236559139784946 [2021-03-11 21:29:01,583 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1346 transitions. [2021-03-11 21:29:01,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1346 transitions. [2021-03-11 21:29:01,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:01,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1346 transitions. [2021-03-11 21:29:01,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 269.2) internal successors, (1346), 5 states have internal predecessors, (1346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 372.0) internal successors, (2232), 6 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,588 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 372.0) internal successors, (2232), 6 states have internal predecessors, (2232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,588 INFO L185 Difference]: Start difference. First operand has 72 places, 62 transitions, 185 flow. Second operand 5 states and 1346 transitions. [2021-03-11 21:29:01,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 66 transitions, 217 flow [2021-03-11 21:29:01,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 66 transitions, 212 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 21:29:01,590 INFO L241 Difference]: Finished difference. Result has 76 places, 63 transitions, 200 flow [2021-03-11 21:29:01,591 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=372, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=200, PETRI_PLACES=76, PETRI_TRANSITIONS=63} [2021-03-11 21:29:01,591 INFO L335 CegarLoopForPetriNet]: 72 programPoint places, 4 predicate places. [2021-03-11 21:29:01,591 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 63 transitions, 200 flow [2021-03-11 21:29:01,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 268.5) internal successors, (1611), 6 states have internal predecessors, (1611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:01,591 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:01,591 INFO L255 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:01,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:29:01,801 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:01,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:01,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1782354201, now seen corresponding path program 1 times [2021-03-11 21:29:01,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:01,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000874235] [2021-03-11 21:29:01,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:29:01,810 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:29:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:29:01,826 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:29:01,833 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 21:29:01,833 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 21:29:01,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-11 21:29:01,834 WARN L342 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-11 21:29:01,834 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2021-03-11 21:29:01,844 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,845 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,846 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,847 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,848 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,849 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,850 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,851 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,852 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,853 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,854 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,855 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,856 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,857 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,858 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,858 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,859 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,860 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of5ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,860 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:01,862 INFO L149 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2021-03-11 21:29:01,863 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 21:29:01,865 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 21:29:01,865 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 21:29:01,865 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 21:29:01,865 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 21:29:01,865 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 21:29:01,865 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 21:29:01,865 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 21:29:01,865 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 21:29:01,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 235 transitions, 530 flow [2021-03-11 21:29:01,924 INFO L129 PetriNetUnfolder]: 158/880 cut-off events. [2021-03-11 21:29:01,925 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-03-11 21:29:01,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 880 events. 158/880 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4171 event pairs, 23 based on Foata normal form. 0/732 useless extension candidates. Maximal degree in co-relation 605. Up to 80 conditions per place. [2021-03-11 21:29:01,932 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 235 transitions, 530 flow [2021-03-11 21:29:01,936 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 203 places, 235 transitions, 530 flow [2021-03-11 21:29:01,936 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 21:29:01,936 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 203 places, 235 transitions, 530 flow [2021-03-11 21:29:01,936 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 203 places, 235 transitions, 530 flow [2021-03-11 21:29:01,936 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 235 transitions, 530 flow [2021-03-11 21:29:01,994 INFO L129 PetriNetUnfolder]: 158/880 cut-off events. [2021-03-11 21:29:01,995 INFO L130 PetriNetUnfolder]: For 110/110 co-relation queries the response was YES. [2021-03-11 21:29:02,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 991 conditions, 880 events. 158/880 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4151 event pairs, 23 based on Foata normal form. 0/732 useless extension candidates. Maximal degree in co-relation 605. Up to 80 conditions per place. [2021-03-11 21:29:02,020 INFO L116 LiptonReduction]: Number of co-enabled transitions 31080 [2021-03-11 21:29:07,541 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2021-03-11 21:29:07,740 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-03-11 21:29:08,209 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2021-03-11 21:29:08,421 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-03-11 21:29:09,699 WARN L205 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:29:10,204 WARN L205 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:29:11,214 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:29:11,720 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:29:11,735 INFO L131 LiptonReduction]: Checked pairs total: 77575 [2021-03-11 21:29:11,735 INFO L133 LiptonReduction]: Total number of compositions: 189 [2021-03-11 21:29:11,735 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9799 [2021-03-11 21:29:11,736 INFO L129 PetriNetUnfolder]: 2/10 cut-off events. [2021-03-11 21:29:11,736 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:29:11,737 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:11,737 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 21:29:11,737 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:11,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:11,737 INFO L82 PathProgramCache]: Analyzing trace with hash 60457705, now seen corresponding path program 1 times [2021-03-11 21:29:11,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:11,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720494865] [2021-03-11 21:29:11,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:11,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:11,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720494865] [2021-03-11 21:29:11,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:29:11,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:29:11,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439458141] [2021-03-11 21:29:11,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:29:11,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:11,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:29:11,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:29:11,756 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 424 [2021-03-11 21:29:11,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 113 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:11,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 424 [2021-03-11 21:29:11,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:11,784 INFO L129 PetriNetUnfolder]: 58/319 cut-off events. [2021-03-11 21:29:11,784 INFO L130 PetriNetUnfolder]: For 110/127 co-relation queries the response was YES. [2021-03-11 21:29:11,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 319 events. 58/319 cut-off events. For 110/127 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1444 event pairs, 23 based on Foata normal form. 200/468 useless extension candidates. Maximal degree in co-relation 268. Up to 80 conditions per place. [2021-03-11 21:29:11,785 INFO L132 encePairwiseOnDemand]: 388/424 looper letters, 4 selfloop transitions, 2 changer transitions 13/83 dead transitions. [2021-03-11 21:29:11,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 83 transitions, 240 flow [2021-03-11 21:29:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:29:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:29:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 962 transitions. [2021-03-11 21:29:11,787 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7562893081761006 [2021-03-11 21:29:11,787 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 962 transitions. [2021-03-11 21:29:11,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 962 transitions. [2021-03-11 21:29:11,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:11,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 962 transitions. [2021-03-11 21:29:11,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,791 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,791 INFO L185 Difference]: Start difference. First operand has 86 places, 113 transitions, 286 flow. Second operand 3 states and 962 transitions. [2021-03-11 21:29:11,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 83 transitions, 240 flow [2021-03-11 21:29:11,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 83 transitions, 240 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:29:11,792 INFO L241 Difference]: Finished difference. Result has 89 places, 69 transitions, 193 flow [2021-03-11 21:29:11,792 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=89, PETRI_TRANSITIONS=69} [2021-03-11 21:29:11,792 INFO L335 CegarLoopForPetriNet]: 86 programPoint places, 3 predicate places. [2021-03-11 21:29:11,792 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 69 transitions, 193 flow [2021-03-11 21:29:11,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 305.6666666666667) internal successors, (917), 3 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,793 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:11,793 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:11,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-11 21:29:11,793 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:11,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:11,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1303299374, now seen corresponding path program 1 times [2021-03-11 21:29:11,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:11,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113557579] [2021-03-11 21:29:11,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:11,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:11,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113557579] [2021-03-11 21:29:11,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979474931] [2021-03-11 21:29:11,810 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 [2021-03-11 21:29:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:11,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-11 21:29:11,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:29:11,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,915 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:11,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:11,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:11,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:11,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:11,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:11,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:11,920 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:29:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:11,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:11,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:29:11,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-11 21:29:11,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357523376] [2021-03-11 21:29:11,924 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 21:29:11,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:11,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 21:29:11,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-11 21:29:11,926 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 424 [2021-03-11 21:29:11,927 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 69 transitions, 193 flow. Second operand has 5 states, 5 states have (on average 306.4) internal successors, (1532), 5 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:11,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 424 [2021-03-11 21:29:11,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:11,954 INFO L129 PetriNetUnfolder]: 0/90 cut-off events. [2021-03-11 21:29:11,955 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2021-03-11 21:29:11,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 90 events. 0/90 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 240 event pairs, 0 based on Foata normal form. 1/91 useless extension candidates. Maximal degree in co-relation 0. Up to 13 conditions per place. [2021-03-11 21:29:11,955 INFO L132 encePairwiseOnDemand]: 421/424 looper letters, 5 selfloop transitions, 3 changer transitions 0/72 dead transitions. [2021-03-11 21:29:11,955 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 72 transitions, 217 flow [2021-03-11 21:29:11,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 21:29:11,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 21:29:11,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1229 transitions. [2021-03-11 21:29:11,958 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7246462264150944 [2021-03-11 21:29:11,958 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1229 transitions. [2021-03-11 21:29:11,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1229 transitions. [2021-03-11 21:29:11,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:11,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1229 transitions. [2021-03-11 21:29:11,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 307.25) internal successors, (1229), 4 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 424.0) internal successors, (2120), 5 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,971 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 424.0) internal successors, (2120), 5 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,972 INFO L185 Difference]: Start difference. First operand has 89 places, 69 transitions, 193 flow. Second operand 4 states and 1229 transitions. [2021-03-11 21:29:11,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 72 transitions, 217 flow [2021-03-11 21:29:11,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 72 transitions, 195 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-11 21:29:11,973 INFO L241 Difference]: Finished difference. Result has 85 places, 70 transitions, 187 flow [2021-03-11 21:29:11,973 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=187, PETRI_PLACES=85, PETRI_TRANSITIONS=70} [2021-03-11 21:29:11,973 INFO L335 CegarLoopForPetriNet]: 86 programPoint places, -1 predicate places. [2021-03-11 21:29:11,973 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 70 transitions, 187 flow [2021-03-11 21:29:11,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 306.4) internal successors, (1532), 5 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:11,974 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:11,974 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:12,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-11 21:29:12,189 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:12,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:12,189 INFO L82 PathProgramCache]: Analyzing trace with hash 928820954, now seen corresponding path program 1 times [2021-03-11 21:29:12,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:12,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465872161] [2021-03-11 21:29:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:12,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:12,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-11 21:29:12,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465872161] [2021-03-11 21:29:12,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:29:12,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 21:29:12,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164661570] [2021-03-11 21:29:12,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:29:12,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:12,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:29:12,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:29:12,222 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 424 [2021-03-11 21:29:12,222 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 70 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:12,222 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:12,222 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 424 [2021-03-11 21:29:12,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:14,967 INFO L129 PetriNetUnfolder]: 23960/39532 cut-off events. [2021-03-11 21:29:14,967 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-11 21:29:15,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70503 conditions, 39532 events. 23960/39532 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 2120. Compared 359506 event pairs, 20427 based on Foata normal form. 34/38260 useless extension candidates. Maximal degree in co-relation 70476. Up to 30845 conditions per place. [2021-03-11 21:29:15,334 INFO L132 encePairwiseOnDemand]: 417/424 looper letters, 26 selfloop transitions, 6 changer transitions 0/80 dead transitions. [2021-03-11 21:29:15,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 80 transitions, 271 flow [2021-03-11 21:29:15,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:29:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:29:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2021-03-11 21:29:15,337 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7004716981132075 [2021-03-11 21:29:15,337 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 891 transitions. [2021-03-11 21:29:15,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 891 transitions. [2021-03-11 21:29:15,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:15,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 891 transitions. [2021-03-11 21:29:15,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 297.0) internal successors, (891), 3 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,340 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 424.0) internal successors, (1696), 4 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,340 INFO L185 Difference]: Start difference. First operand has 85 places, 70 transitions, 187 flow. Second operand 3 states and 891 transitions. [2021-03-11 21:29:15,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 80 transitions, 271 flow [2021-03-11 21:29:15,341 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 80 transitions, 265 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-11 21:29:15,342 INFO L241 Difference]: Finished difference. Result has 86 places, 75 transitions, 221 flow [2021-03-11 21:29:15,342 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=221, PETRI_PLACES=86, PETRI_TRANSITIONS=75} [2021-03-11 21:29:15,342 INFO L335 CegarLoopForPetriNet]: 86 programPoint places, 0 predicate places. [2021-03-11 21:29:15,342 INFO L480 AbstractCegarLoop]: Abstraction has has 86 places, 75 transitions, 221 flow [2021-03-11 21:29:15,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 286.6666666666667) internal successors, (860), 3 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,342 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:15,342 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:15,342 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-11 21:29:15,342 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:15,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:15,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1515625657, now seen corresponding path program 1 times [2021-03-11 21:29:15,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:15,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930882371] [2021-03-11 21:29:15,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:15,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:15,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930882371] [2021-03-11 21:29:15,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627425] [2021-03-11 21:29:15,373 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 [2021-03-11 21:29:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:15,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-11 21:29:15,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:29:15,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,499 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,500 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,503 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:29:15,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:15,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:29:15,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-11 21:29:15,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234098821] [2021-03-11 21:29:15,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 21:29:15,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:15,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 21:29:15,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-11 21:29:15,511 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 424 [2021-03-11 21:29:15,512 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 75 transitions, 221 flow. Second operand has 6 states, 6 states have (on average 306.5) internal successors, (1839), 6 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,512 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:15,512 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 424 [2021-03-11 21:29:15,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:15,566 INFO L129 PetriNetUnfolder]: 161/726 cut-off events. [2021-03-11 21:29:15,566 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2021-03-11 21:29:15,569 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 726 events. 161/726 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5096 event pairs, 94 based on Foata normal form. 1/696 useless extension candidates. Maximal degree in co-relation 1003. Up to 246 conditions per place. [2021-03-11 21:29:15,571 INFO L132 encePairwiseOnDemand]: 421/424 looper letters, 6 selfloop transitions, 4 changer transitions 0/79 dead transitions. [2021-03-11 21:29:15,571 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 79 transitions, 253 flow [2021-03-11 21:29:15,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 21:29:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 21:29:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1536 transitions. [2021-03-11 21:29:15,574 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7245283018867924 [2021-03-11 21:29:15,574 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1536 transitions. [2021-03-11 21:29:15,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1536 transitions. [2021-03-11 21:29:15,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:15,574 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1536 transitions. [2021-03-11 21:29:15,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 307.2) internal successors, (1536), 5 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 424.0) internal successors, (2544), 6 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,578 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 424.0) internal successors, (2544), 6 states have internal predecessors, (2544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,578 INFO L185 Difference]: Start difference. First operand has 86 places, 75 transitions, 221 flow. Second operand 5 states and 1536 transitions. [2021-03-11 21:29:15,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 79 transitions, 253 flow [2021-03-11 21:29:15,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 79 transitions, 247 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 21:29:15,579 INFO L241 Difference]: Finished difference. Result has 90 places, 76 transitions, 235 flow [2021-03-11 21:29:15,580 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=235, PETRI_PLACES=90, PETRI_TRANSITIONS=76} [2021-03-11 21:29:15,580 INFO L335 CegarLoopForPetriNet]: 86 programPoint places, 4 predicate places. [2021-03-11 21:29:15,580 INFO L480 AbstractCegarLoop]: Abstraction has has 90 places, 76 transitions, 235 flow [2021-03-11 21:29:15,580 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 306.5) internal successors, (1839), 6 states have internal predecessors, (1839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,580 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:15,580 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:15,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-11 21:29:15,798 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:15,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:15,798 INFO L82 PathProgramCache]: Analyzing trace with hash -79097590, now seen corresponding path program 1 times [2021-03-11 21:29:15,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:15,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840942414] [2021-03-11 21:29:15,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:15,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:15,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840942414] [2021-03-11 21:29:15,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064203570] [2021-03-11 21:29:15,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:29:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:15,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-11 21:29:15,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:29:15,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,930 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,957 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,969 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:15,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:15,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:15,972 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:29:15,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:15,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:15,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:29:15,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-11 21:29:15,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57239458] [2021-03-11 21:29:15,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 21:29:15,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:15,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 21:29:15,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-03-11 21:29:15,987 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 424 [2021-03-11 21:29:15,987 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 76 transitions, 235 flow. Second operand has 7 states, 7 states have (on average 306.57142857142856) internal successors, (2146), 7 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:15,987 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:15,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 424 [2021-03-11 21:29:15,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:16,036 INFO L129 PetriNetUnfolder]: 152/672 cut-off events. [2021-03-11 21:29:16,036 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-03-11 21:29:16,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 966 conditions, 672 events. 152/672 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4575 event pairs, 89 based on Foata normal form. 1/646 useless extension candidates. Maximal degree in co-relation 932. Up to 230 conditions per place. [2021-03-11 21:29:16,040 INFO L132 encePairwiseOnDemand]: 421/424 looper letters, 7 selfloop transitions, 5 changer transitions 0/81 dead transitions. [2021-03-11 21:29:16,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 81 transitions, 275 flow [2021-03-11 21:29:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 21:29:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 21:29:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1843 transitions. [2021-03-11 21:29:16,043 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7244496855345912 [2021-03-11 21:29:16,044 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1843 transitions. [2021-03-11 21:29:16,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1843 transitions. [2021-03-11 21:29:16,044 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:16,044 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1843 transitions. [2021-03-11 21:29:16,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 307.1666666666667) internal successors, (1843), 6 states have internal predecessors, (1843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:16,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:16,049 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 424.0) internal successors, (2968), 7 states have internal predecessors, (2968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:16,049 INFO L185 Difference]: Start difference. First operand has 90 places, 76 transitions, 235 flow. Second operand 6 states and 1843 transitions. [2021-03-11 21:29:16,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 81 transitions, 275 flow [2021-03-11 21:29:16,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 81 transitions, 265 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-11 21:29:16,050 INFO L241 Difference]: Finished difference. Result has 93 places, 77 transitions, 249 flow [2021-03-11 21:29:16,050 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=424, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=249, PETRI_PLACES=93, PETRI_TRANSITIONS=77} [2021-03-11 21:29:16,050 INFO L335 CegarLoopForPetriNet]: 86 programPoint places, 7 predicate places. [2021-03-11 21:29:16,051 INFO L480 AbstractCegarLoop]: Abstraction has has 93 places, 77 transitions, 249 flow [2021-03-11 21:29:16,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 306.57142857142856) internal successors, (2146), 7 states have internal predecessors, (2146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:16,051 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:16,051 INFO L255 CegarLoopForPetriNet]: trace histogram [6, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:16,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:29:16,268 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:16,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:16,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1038896129, now seen corresponding path program 1 times [2021-03-11 21:29:16,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:16,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769179098] [2021-03-11 21:29:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:29:16,278 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:29:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:29:16,283 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:29:16,287 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 21:29:16,288 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 21:29:16,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-11 21:29:16,288 WARN L342 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-11 21:29:16,288 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,301 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,302 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,303 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,304 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,305 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,306 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,307 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,308 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,309 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,310 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,311 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,311 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,312 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,312 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,313 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,314 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,314 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,314 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,314 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,314 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,314 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,314 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,315 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,316 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,317 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,317 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,317 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,317 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of6ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:29:16,320 INFO L149 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2021-03-11 21:29:16,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 21:29:16,321 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 21:29:16,321 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 21:29:16,321 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 21:29:16,321 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 21:29:16,321 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 21:29:16,321 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 21:29:16,321 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 21:29:16,321 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 21:29:16,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 265 transitions, 608 flow [2021-03-11 21:29:16,490 INFO L129 PetriNetUnfolder]: 284/1472 cut-off events. [2021-03-11 21:29:16,490 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-03-11 21:29:16,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1704 conditions, 1472 events. 284/1472 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8295 event pairs, 72 based on Foata normal form. 0/1245 useless extension candidates. Maximal degree in co-relation 979. Up to 192 conditions per place. [2021-03-11 21:29:16,509 INFO L82 GeneralOperation]: Start removeDead. Operand has 228 places, 265 transitions, 608 flow [2021-03-11 21:29:16,519 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 265 transitions, 608 flow [2021-03-11 21:29:16,519 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 21:29:16,520 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 228 places, 265 transitions, 608 flow [2021-03-11 21:29:16,520 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 228 places, 265 transitions, 608 flow [2021-03-11 21:29:16,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 228 places, 265 transitions, 608 flow [2021-03-11 21:29:16,653 INFO L129 PetriNetUnfolder]: 284/1472 cut-off events. [2021-03-11 21:29:16,653 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-03-11 21:29:16,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1704 conditions, 1472 events. 284/1472 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8241 event pairs, 72 based on Foata normal form. 0/1245 useless extension candidates. Maximal degree in co-relation 979. Up to 192 conditions per place. [2021-03-11 21:29:16,722 INFO L116 LiptonReduction]: Number of co-enabled transitions 42504 [2021-03-11 21:29:22,170 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-03-11 21:29:23,651 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2021-03-11 21:29:23,846 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-11 21:29:24,289 WARN L205 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 114 [2021-03-11 21:29:24,507 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-11 21:29:25,889 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:29:26,406 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:29:27,483 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-11 21:29:28,023 WARN L205 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:29:28,043 INFO L131 LiptonReduction]: Checked pairs total: 108248 [2021-03-11 21:29:28,043 INFO L133 LiptonReduction]: Total number of compositions: 209 [2021-03-11 21:29:28,043 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11524 [2021-03-11 21:29:28,045 INFO L129 PetriNetUnfolder]: 2/13 cut-off events. [2021-03-11 21:29:28,045 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:29:28,045 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:28,045 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 21:29:28,045 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:28,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:28,045 INFO L82 PathProgramCache]: Analyzing trace with hash 75974167, now seen corresponding path program 1 times [2021-03-11 21:29:28,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:28,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800872631] [2021-03-11 21:29:28,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:28,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:28,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800872631] [2021-03-11 21:29:28,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:29:28,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:29:28,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834193423] [2021-03-11 21:29:28,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:29:28,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:28,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:29:28,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:29:28,057 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 474 [2021-03-11 21:29:28,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 132 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:28,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 474 [2021-03-11 21:29:28,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:28,100 INFO L129 PetriNetUnfolder]: 140/581 cut-off events. [2021-03-11 21:29:28,100 INFO L130 PetriNetUnfolder]: For 242/263 co-relation queries the response was YES. [2021-03-11 21:29:28,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 840 conditions, 581 events. 140/581 cut-off events. For 242/263 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3114 event pairs, 72 based on Foata normal form. 286/780 useless extension candidates. Maximal degree in co-relation 462. Up to 192 conditions per place. [2021-03-11 21:29:28,102 INFO L132 encePairwiseOnDemand]: 432/474 looper letters, 4 selfloop transitions, 2 changer transitions 14/96 dead transitions. [2021-03-11 21:29:28,102 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 96 transitions, 284 flow [2021-03-11 21:29:28,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:29:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:29:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1067 transitions. [2021-03-11 21:29:28,104 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.750351617440225 [2021-03-11 21:29:28,104 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1067 transitions. [2021-03-11 21:29:28,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1067 transitions. [2021-03-11 21:29:28,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:28,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1067 transitions. [2021-03-11 21:29:28,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 355.6666666666667) internal successors, (1067), 3 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 474.0) internal successors, (1896), 4 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,108 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 474.0) internal successors, (1896), 4 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,108 INFO L185 Difference]: Start difference. First operand has 100 places, 132 transitions, 342 flow. Second operand 3 states and 1067 transitions. [2021-03-11 21:29:28,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 96 transitions, 284 flow [2021-03-11 21:29:28,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 96 transitions, 284 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:29:28,110 INFO L241 Difference]: Finished difference. Result has 103 places, 81 transitions, 232 flow [2021-03-11 21:29:28,110 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=103, PETRI_TRANSITIONS=81} [2021-03-11 21:29:28,110 INFO L335 CegarLoopForPetriNet]: 100 programPoint places, 3 predicate places. [2021-03-11 21:29:28,110 INFO L480 AbstractCegarLoop]: Abstraction has has 103 places, 81 transitions, 232 flow [2021-03-11 21:29:28,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,110 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:28,110 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:28,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-11 21:29:28,110 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:28,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:28,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1591966206, now seen corresponding path program 1 times [2021-03-11 21:29:28,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:28,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841956029] [2021-03-11 21:29:28,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:28,119 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:28,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841956029] [2021-03-11 21:29:28,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296780553] [2021-03-11 21:29:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:29:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:28,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-11 21:29:28,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:29:28,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,226 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:28,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:28,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:28,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:29:28,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:29:28,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:29:28,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,232 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:29:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:29:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:29:28,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:29:28,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-11 21:29:28,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118223562] [2021-03-11 21:29:28,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 21:29:28,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:28,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 21:29:28,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-11 21:29:28,238 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 474 [2021-03-11 21:29:28,238 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 81 transitions, 232 flow. Second operand has 5 states, 5 states have (on average 339.4) internal successors, (1697), 5 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,238 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:28,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 474 [2021-03-11 21:29:28,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:29:28,255 INFO L129 PetriNetUnfolder]: 0/108 cut-off events. [2021-03-11 21:29:28,255 INFO L130 PetriNetUnfolder]: For 56/56 co-relation queries the response was YES. [2021-03-11 21:29:28,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 108 events. 0/108 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 301 event pairs, 0 based on Foata normal form. 1/109 useless extension candidates. Maximal degree in co-relation 0. Up to 16 conditions per place. [2021-03-11 21:29:28,255 INFO L132 encePairwiseOnDemand]: 471/474 looper letters, 5 selfloop transitions, 3 changer transitions 0/84 dead transitions. [2021-03-11 21:29:28,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 84 transitions, 256 flow [2021-03-11 21:29:28,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 21:29:28,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 21:29:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1361 transitions. [2021-03-11 21:29:28,258 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7178270042194093 [2021-03-11 21:29:28,258 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1361 transitions. [2021-03-11 21:29:28,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1361 transitions. [2021-03-11 21:29:28,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:29:28,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1361 transitions. [2021-03-11 21:29:28,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 340.25) internal successors, (1361), 4 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,262 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,262 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 474.0) internal successors, (2370), 5 states have internal predecessors, (2370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,262 INFO L185 Difference]: Start difference. First operand has 103 places, 81 transitions, 232 flow. Second operand 4 states and 1361 transitions. [2021-03-11 21:29:28,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 84 transitions, 256 flow [2021-03-11 21:29:28,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 84 transitions, 224 flow, removed 15 selfloop flow, removed 1 redundant places. [2021-03-11 21:29:28,263 INFO L241 Difference]: Finished difference. Result has 99 places, 82 transitions, 216 flow [2021-03-11 21:29:28,263 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=216, PETRI_PLACES=99, PETRI_TRANSITIONS=82} [2021-03-11 21:29:28,263 INFO L335 CegarLoopForPetriNet]: 100 programPoint places, -1 predicate places. [2021-03-11 21:29:28,263 INFO L480 AbstractCegarLoop]: Abstraction has has 99 places, 82 transitions, 216 flow [2021-03-11 21:29:28,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 339.4) internal successors, (1697), 5 states have internal predecessors, (1697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,264 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:29:28,264 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-03-11 21:29:28,483 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-03-11 21:29:28,483 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:29:28,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:29:28,483 INFO L82 PathProgramCache]: Analyzing trace with hash 140131076, now seen corresponding path program 1 times [2021-03-11 21:29:28,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:29:28,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98611862] [2021-03-11 21:29:28,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:29:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:29:28,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:29:28,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:29:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-11 21:29:28,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98611862] [2021-03-11 21:29:28,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:29:28,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 21:29:28,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130864142] [2021-03-11 21:29:28,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:29:28,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:29:28,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:29:28,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:29:28,500 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 313 out of 474 [2021-03-11 21:29:28,500 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 82 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:29:28,500 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:29:28,500 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 313 of 474 [2021-03-11 21:29:28,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:30:00,715 INFO L129 PetriNetUnfolder]: 148576/226918 cut-off events. [2021-03-11 21:30:00,715 INFO L130 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2021-03-11 21:30:02,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410574 conditions, 226918 events. 148576/226918 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 9869. Compared 2212697 event pairs, 130317 based on Foata normal form. 67/220365 useless extension candidates. Maximal degree in co-relation 410546. Up to 183410 conditions per place. [2021-03-11 21:30:03,196 INFO L132 encePairwiseOnDemand]: 466/474 looper letters, 31 selfloop transitions, 7 changer transitions 0/94 dead transitions. [2021-03-11 21:30:03,197 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 316 flow [2021-03-11 21:30:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:30:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:30:03,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 978 transitions. [2021-03-11 21:30:03,199 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6877637130801688 [2021-03-11 21:30:03,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 978 transitions. [2021-03-11 21:30:03,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 978 transitions. [2021-03-11 21:30:03,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:30:03,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 978 transitions. [2021-03-11 21:30:03,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 474.0) internal successors, (1896), 4 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,202 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 474.0) internal successors, (1896), 4 states have internal predecessors, (1896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,202 INFO L185 Difference]: Start difference. First operand has 99 places, 82 transitions, 216 flow. Second operand 3 states and 978 transitions. [2021-03-11 21:30:03,202 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 94 transitions, 316 flow [2021-03-11 21:30:03,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 94 transitions, 310 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-11 21:30:03,203 INFO L241 Difference]: Finished difference. Result has 100 places, 88 transitions, 257 flow [2021-03-11 21:30:03,204 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=100, PETRI_TRANSITIONS=88} [2021-03-11 21:30:03,204 INFO L335 CegarLoopForPetriNet]: 100 programPoint places, 0 predicate places. [2021-03-11 21:30:03,204 INFO L480 AbstractCegarLoop]: Abstraction has has 100 places, 88 transitions, 257 flow [2021-03-11 21:30:03,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,204 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:30:03,204 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:30:03,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-11 21:30:03,204 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:30:03,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:30:03,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1437121572, now seen corresponding path program 1 times [2021-03-11 21:30:03,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:30:03,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891647088] [2021-03-11 21:30:03,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:30:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:03,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:03,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891647088] [2021-03-11 21:30:03,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923604805] [2021-03-11 21:30:03,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:30:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:03,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-11 21:30:03,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:30:03,319 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,340 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,370 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:30:03,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:03,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:30:03,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-03-11 21:30:03,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443875507] [2021-03-11 21:30:03,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 21:30:03,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:30:03,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 21:30:03,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-03-11 21:30:03,375 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 474 [2021-03-11 21:30:03,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 88 transitions, 257 flow. Second operand has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:30:03,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 474 [2021-03-11 21:30:03,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:30:03,478 INFO L129 PetriNetUnfolder]: 427/1631 cut-off events. [2021-03-11 21:30:03,478 INFO L130 PetriNetUnfolder]: For 21/21 co-relation queries the response was YES. [2021-03-11 21:30:03,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2312 conditions, 1631 events. 427/1631 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 13443 event pairs, 272 based on Foata normal form. 1/1560 useless extension candidates. Maximal degree in co-relation 2280. Up to 607 conditions per place. [2021-03-11 21:30:03,491 INFO L132 encePairwiseOnDemand]: 471/474 looper letters, 6 selfloop transitions, 4 changer transitions 0/92 dead transitions. [2021-03-11 21:30:03,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 92 transitions, 289 flow [2021-03-11 21:30:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 21:30:03,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-11 21:30:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1701 transitions. [2021-03-11 21:30:03,494 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7177215189873418 [2021-03-11 21:30:03,494 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1701 transitions. [2021-03-11 21:30:03,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1701 transitions. [2021-03-11 21:30:03,495 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:30:03,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1701 transitions. [2021-03-11 21:30:03,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 340.2) internal successors, (1701), 5 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 474.0) internal successors, (2844), 6 states have internal predecessors, (2844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,499 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 474.0) internal successors, (2844), 6 states have internal predecessors, (2844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,499 INFO L185 Difference]: Start difference. First operand has 100 places, 88 transitions, 257 flow. Second operand 5 states and 1701 transitions. [2021-03-11 21:30:03,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 92 transitions, 289 flow [2021-03-11 21:30:03,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 92 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 21:30:03,501 INFO L241 Difference]: Finished difference. Result has 104 places, 89 transitions, 270 flow [2021-03-11 21:30:03,501 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=270, PETRI_PLACES=104, PETRI_TRANSITIONS=89} [2021-03-11 21:30:03,501 INFO L335 CegarLoopForPetriNet]: 100 programPoint places, 4 predicate places. [2021-03-11 21:30:03,501 INFO L480 AbstractCegarLoop]: Abstraction has has 104 places, 89 transitions, 270 flow [2021-03-11 21:30:03,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 339.5) internal successors, (2037), 6 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,501 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:30:03,501 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:30:03,715 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:30:03,715 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:30:03,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:30:03,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1011738321, now seen corresponding path program 1 times [2021-03-11 21:30:03,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:30:03,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293058156] [2021-03-11 21:30:03,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:30:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:03,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,743 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,743 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:03,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293058156] [2021-03-11 21:30:03,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851951449] [2021-03-11 21:30:03,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:30:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:03,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2021-03-11 21:30:03,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:30:03,852 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,853 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,853 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,865 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,868 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,876 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,880 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,889 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:03,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:03,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:03,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:03,902 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:30:03,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,903 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:03,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:03,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:30:03,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-03-11 21:30:03,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125848329] [2021-03-11 21:30:03,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-11 21:30:03,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:30:03,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-11 21:30:03,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-03-11 21:30:03,919 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 474 [2021-03-11 21:30:03,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 89 transitions, 270 flow. Second operand has 7 states, 7 states have (on average 339.57142857142856) internal successors, (2377), 7 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:03,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:30:03,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 474 [2021-03-11 21:30:03,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:30:04,025 INFO L129 PetriNetUnfolder]: 418/1589 cut-off events. [2021-03-11 21:30:04,025 INFO L130 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2021-03-11 21:30:04,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2257 conditions, 1589 events. 418/1589 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 13145 event pairs, 267 based on Foata normal form. 1/1522 useless extension candidates. Maximal degree in co-relation 2222. Up to 591 conditions per place. [2021-03-11 21:30:04,036 INFO L132 encePairwiseOnDemand]: 471/474 looper letters, 7 selfloop transitions, 5 changer transitions 0/94 dead transitions. [2021-03-11 21:30:04,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 94 transitions, 310 flow [2021-03-11 21:30:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 21:30:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 21:30:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2041 transitions. [2021-03-11 21:30:04,039 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7176511954992968 [2021-03-11 21:30:04,039 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2041 transitions. [2021-03-11 21:30:04,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2041 transitions. [2021-03-11 21:30:04,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:30:04,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2041 transitions. [2021-03-11 21:30:04,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 340.1666666666667) internal successors, (2041), 6 states have internal predecessors, (2041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 474.0) internal successors, (3318), 7 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,045 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 474.0) internal successors, (3318), 7 states have internal predecessors, (3318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,045 INFO L185 Difference]: Start difference. First operand has 104 places, 89 transitions, 270 flow. Second operand 6 states and 2041 transitions. [2021-03-11 21:30:04,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 94 transitions, 310 flow [2021-03-11 21:30:04,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 94 transitions, 300 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-11 21:30:04,046 INFO L241 Difference]: Finished difference. Result has 107 places, 90 transitions, 284 flow [2021-03-11 21:30:04,046 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=284, PETRI_PLACES=107, PETRI_TRANSITIONS=90} [2021-03-11 21:30:04,047 INFO L335 CegarLoopForPetriNet]: 100 programPoint places, 7 predicate places. [2021-03-11 21:30:04,047 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 90 transitions, 284 flow [2021-03-11 21:30:04,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 339.57142857142856) internal successors, (2377), 7 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,047 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:30:04,047 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:30:04,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:30:04,267 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:30:04,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:30:04,267 INFO L82 PathProgramCache]: Analyzing trace with hash 360920901, now seen corresponding path program 1 times [2021-03-11 21:30:04,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:30:04,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603993474] [2021-03-11 21:30:04,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:30:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:04,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:04,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603993474] [2021-03-11 21:30:04,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142057346] [2021-03-11 21:30:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:30:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:04,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-11 21:30:04,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:30:04,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,583 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,588 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,588 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,591 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,616 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:04,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:04,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:04,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,625 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:04,626 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:30:04,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:04,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:04,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:30:04,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-11 21:30:04,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954828726] [2021-03-11 21:30:04,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-11 21:30:04,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:30:04,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-11 21:30:04,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-03-11 21:30:04,632 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 474 [2021-03-11 21:30:04,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 90 transitions, 284 flow. Second operand has 8 states, 8 states have (on average 339.625) internal successors, (2717), 8 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:30:04,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 474 [2021-03-11 21:30:04,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:30:04,736 INFO L129 PetriNetUnfolder]: 390/1478 cut-off events. [2021-03-11 21:30:04,736 INFO L130 PetriNetUnfolder]: For 53/53 co-relation queries the response was YES. [2021-03-11 21:30:04,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2105 conditions, 1478 events. 390/1478 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 11857 event pairs, 250 based on Foata normal form. 1/1422 useless extension candidates. Maximal degree in co-relation 2069. Up to 548 conditions per place. [2021-03-11 21:30:04,745 INFO L132 encePairwiseOnDemand]: 471/474 looper letters, 8 selfloop transitions, 6 changer transitions 0/96 dead transitions. [2021-03-11 21:30:04,745 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 96 transitions, 332 flow [2021-03-11 21:30:04,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 21:30:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-11 21:30:04,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2381 transitions. [2021-03-11 21:30:04,749 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7176009644364075 [2021-03-11 21:30:04,749 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2381 transitions. [2021-03-11 21:30:04,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2381 transitions. [2021-03-11 21:30:04,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:30:04,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2381 transitions. [2021-03-11 21:30:04,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 340.14285714285717) internal successors, (2381), 7 states have internal predecessors, (2381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,761 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 474.0) internal successors, (3792), 8 states have internal predecessors, (3792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,762 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 474.0) internal successors, (3792), 8 states have internal predecessors, (3792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,762 INFO L185 Difference]: Start difference. First operand has 107 places, 90 transitions, 284 flow. Second operand 7 states and 2381 transitions. [2021-03-11 21:30:04,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 96 transitions, 332 flow [2021-03-11 21:30:04,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 96 transitions, 318 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-11 21:30:04,765 INFO L241 Difference]: Finished difference. Result has 110 places, 91 transitions, 298 flow [2021-03-11 21:30:04,765 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=474, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=298, PETRI_PLACES=110, PETRI_TRANSITIONS=91} [2021-03-11 21:30:04,765 INFO L335 CegarLoopForPetriNet]: 100 programPoint places, 10 predicate places. [2021-03-11 21:30:04,765 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 91 transitions, 298 flow [2021-03-11 21:30:04,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 339.625) internal successors, (2717), 8 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:04,766 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:30:04,766 INFO L255 CegarLoopForPetriNet]: trace histogram [7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:30:04,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-03-11 21:30:04,984 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:30:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:30:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash -770213384, now seen corresponding path program 1 times [2021-03-11 21:30:04,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:30:04,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142529729] [2021-03-11 21:30:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:30:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:30:04,994 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:30:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 21:30:05,000 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 21:30:05,003 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 21:30:05,003 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 21:30:05,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-11 21:30:05,003 WARN L342 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2021-03-11 21:30:05,003 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,015 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,016 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe t_funThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe t_funThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe t_funThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe t_funThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,017 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,018 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,019 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,020 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,021 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,022 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,023 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,024 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,025 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,026 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,027 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,028 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,028 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,029 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,030 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,031 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,031 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,032 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,032 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,033 WARN L313 ript$VariableManager]: TermVariabe t_funThread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,033 WARN L313 ript$VariableManager]: TermVariabe |t_funThread5of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe t_funThread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,034 WARN L313 ript$VariableManager]: TermVariabe |t_funThread6of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe t_funThread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe t_funThread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~post37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,035 WARN L313 ript$VariableManager]: TermVariabe |t_funThread7of7ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 21:30:05,039 INFO L149 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-03-11 21:30:05,039 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 21:30:05,040 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 21:30:05,040 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 21:30:05,040 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 21:30:05,040 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 21:30:05,040 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 21:30:05,040 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 21:30:05,040 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 21:30:05,040 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 21:30:05,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 295 transitions, 688 flow [2021-03-11 21:30:05,289 INFO L129 PetriNetUnfolder]: 554/2624 cut-off events. [2021-03-11 21:30:05,289 INFO L130 PetriNetUnfolder]: For 525/525 co-relation queries the response was YES. [2021-03-11 21:30:05,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3122 conditions, 2624 events. 554/2624 cut-off events. For 525/525 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17789 event pairs, 201 based on Foata normal form. 0/2254 useless extension candidates. Maximal degree in co-relation 1690. Up to 448 conditions per place. [2021-03-11 21:30:05,329 INFO L82 GeneralOperation]: Start removeDead. Operand has 253 places, 295 transitions, 688 flow [2021-03-11 21:30:05,349 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 253 places, 295 transitions, 688 flow [2021-03-11 21:30:05,350 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 21:30:05,350 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 295 transitions, 688 flow [2021-03-11 21:30:05,350 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 295 transitions, 688 flow [2021-03-11 21:30:05,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 253 places, 295 transitions, 688 flow [2021-03-11 21:30:05,605 INFO L129 PetriNetUnfolder]: 554/2624 cut-off events. [2021-03-11 21:30:05,605 INFO L130 PetriNetUnfolder]: For 525/525 co-relation queries the response was YES. [2021-03-11 21:30:05,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3122 conditions, 2624 events. 554/2624 cut-off events. For 525/525 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 17645 event pairs, 201 based on Foata normal form. 0/2254 useless extension candidates. Maximal degree in co-relation 1690. Up to 448 conditions per place. [2021-03-11 21:30:05,742 INFO L116 LiptonReduction]: Number of co-enabled transitions 55664 [2021-03-11 21:30:09,958 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2021-03-11 21:30:10,109 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2021-03-11 21:30:14,336 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-03-11 21:30:14,483 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-11 21:30:14,645 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-03-11 21:30:14,791 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-03-11 21:30:15,939 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 176 DAG size of output: 166 [2021-03-11 21:30:16,528 WARN L205 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:30:17,672 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 176 DAG size of output: 166 [2021-03-11 21:30:18,185 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-11 21:30:18,209 INFO L131 LiptonReduction]: Checked pairs total: 157183 [2021-03-11 21:30:18,209 INFO L133 LiptonReduction]: Total number of compositions: 230 [2021-03-11 21:30:18,209 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12859 [2021-03-11 21:30:18,210 INFO L129 PetriNetUnfolder]: 2/10 cut-off events. [2021-03-11 21:30:18,210 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 21:30:18,210 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:30:18,210 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 21:30:18,210 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:30:18,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:30:18,211 INFO L82 PathProgramCache]: Analyzing trace with hash 93064426, now seen corresponding path program 1 times [2021-03-11 21:30:18,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:30:18,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319231293] [2021-03-11 21:30:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:30:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:18,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:18,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319231293] [2021-03-11 21:30:18,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:30:18,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 21:30:18,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718447197] [2021-03-11 21:30:18,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:30:18,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:30:18,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:30:18,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:30:18,224 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 525 [2021-03-11 21:30:18,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 151 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:30:18,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 525 [2021-03-11 21:30:18,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:30:18,302 INFO L129 PetriNetUnfolder]: 334/1115 cut-off events. [2021-03-11 21:30:18,303 INFO L130 PetriNetUnfolder]: For 525/550 co-relation queries the response was YES. [2021-03-11 21:30:18,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1644 conditions, 1115 events. 334/1115 cut-off events. For 525/550 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 6797 event pairs, 201 based on Foata normal form. 388/1348 useless extension candidates. Maximal degree in co-relation 849. Up to 448 conditions per place. [2021-03-11 21:30:18,306 INFO L132 encePairwiseOnDemand]: 477/525 looper letters, 4 selfloop transitions, 2 changer transitions 15/109 dead transitions. [2021-03-11 21:30:18,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 109 transitions, 330 flow [2021-03-11 21:30:18,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:30:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 21:30:18,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1175 transitions. [2021-03-11 21:30:18,309 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2021-03-11 21:30:18,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1175 transitions. [2021-03-11 21:30:18,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1175 transitions. [2021-03-11 21:30:18,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:30:18,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1175 transitions. [2021-03-11 21:30:18,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 525.0) internal successors, (2100), 4 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,312 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 525.0) internal successors, (2100), 4 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,312 INFO L185 Difference]: Start difference. First operand has 114 places, 151 transitions, 400 flow. Second operand 3 states and 1175 transitions. [2021-03-11 21:30:18,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 109 transitions, 330 flow [2021-03-11 21:30:18,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 109 transitions, 330 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-11 21:30:18,314 INFO L241 Difference]: Finished difference. Result has 117 places, 93 transitions, 273 flow [2021-03-11 21:30:18,314 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=273, PETRI_PLACES=117, PETRI_TRANSITIONS=93} [2021-03-11 21:30:18,315 INFO L335 CegarLoopForPetriNet]: 114 programPoint places, 3 predicate places. [2021-03-11 21:30:18,315 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 93 transitions, 273 flow [2021-03-11 21:30:18,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,315 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:30:18,315 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 21:30:18,315 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-11 21:30:18,315 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:30:18,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:30:18,315 INFO L82 PathProgramCache]: Analyzing trace with hash 801365846, now seen corresponding path program 1 times [2021-03-11 21:30:18,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:30:18,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840413669] [2021-03-11 21:30:18,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:30:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:18,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,326 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:18,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840413669] [2021-03-11 21:30:18,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669452815] [2021-03-11 21:30:18,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-11 21:30:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:18,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-11 21:30:18,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-11 21:30:18,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,431 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:18,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:18,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:18,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-11 21:30:18,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-11 21:30:18,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-11 21:30:18,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,444 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-11 21:30:18,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,444 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 21:30:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 21:30:18,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-11 21:30:18,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-03-11 21:30:18,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314302946] [2021-03-11 21:30:18,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 21:30:18,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:30:18,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 21:30:18,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-03-11 21:30:18,450 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 525 [2021-03-11 21:30:18,451 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 93 transitions, 273 flow. Second operand has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,451 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:30:18,451 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 525 [2021-03-11 21:30:18,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 21:30:18,472 INFO L129 PetriNetUnfolder]: 0/126 cut-off events. [2021-03-11 21:30:18,472 INFO L130 PetriNetUnfolder]: For 84/84 co-relation queries the response was YES. [2021-03-11 21:30:18,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 126 events. 0/126 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 367 event pairs, 0 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 0. Up to 19 conditions per place. [2021-03-11 21:30:18,472 INFO L132 encePairwiseOnDemand]: 522/525 looper letters, 5 selfloop transitions, 3 changer transitions 0/96 dead transitions. [2021-03-11 21:30:18,472 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 96 transitions, 297 flow [2021-03-11 21:30:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 21:30:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 21:30:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1497 transitions. [2021-03-11 21:30:18,475 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7128571428571429 [2021-03-11 21:30:18,475 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1497 transitions. [2021-03-11 21:30:18,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1497 transitions. [2021-03-11 21:30:18,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 21:30:18,475 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1497 transitions. [2021-03-11 21:30:18,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 374.25) internal successors, (1497), 4 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 525.0) internal successors, (2625), 5 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,479 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 525.0) internal successors, (2625), 5 states have internal predecessors, (2625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,479 INFO L185 Difference]: Start difference. First operand has 117 places, 93 transitions, 273 flow. Second operand 4 states and 1497 transitions. [2021-03-11 21:30:18,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 96 transitions, 297 flow [2021-03-11 21:30:18,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 96 transitions, 253 flow, removed 21 selfloop flow, removed 1 redundant places. [2021-03-11 21:30:18,480 INFO L241 Difference]: Finished difference. Result has 113 places, 94 transitions, 245 flow [2021-03-11 21:30:18,480 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=525, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=245, PETRI_PLACES=113, PETRI_TRANSITIONS=94} [2021-03-11 21:30:18,480 INFO L335 CegarLoopForPetriNet]: 114 programPoint places, -1 predicate places. [2021-03-11 21:30:18,480 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 94 transitions, 245 flow [2021-03-11 21:30:18,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 373.4) internal successors, (1867), 5 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,481 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 21:30:18,481 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-03-11 21:30:18,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-03-11 21:30:18,687 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 21:30:18,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 21:30:18,687 INFO L82 PathProgramCache]: Analyzing trace with hash -43420575, now seen corresponding path program 1 times [2021-03-11 21:30:18,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 21:30:18,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561584113] [2021-03-11 21:30:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 21:30:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 21:30:18,718 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 21:30:18,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 21:30:18,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-11 21:30:18,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561584113] [2021-03-11 21:30:18,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 21:30:18,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 21:30:18,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922292309] [2021-03-11 21:30:18,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 21:30:18,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 21:30:18,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 21:30:18,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 21:30:18,722 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 525 [2021-03-11 21:30:18,723 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 94 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 341.6666666666667) internal successors, (1025), 3 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 21:30:18,723 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 21:30:18,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 525 [2021-03-11 21:30:18,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2021-03-11 21:38:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 21:38:04,891 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-11 21:38:04,891 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-11 21:38:04,902 WARN L224 ceAbstractionStarter]: Timeout [2021-03-11 21:38:04,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 09:38:04 BasicIcfg [2021-03-11 21:38:04,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 21:38:04,905 INFO L168 Benchmark]: Toolchain (without parser) took 577832.29 ms. Allocated memory was 377.5 MB in the beginning and 14.0 GB in the end (delta: 13.6 GB). Free memory was 341.0 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 11.8 GB. Max. memory is 16.0 GB. [2021-03-11 21:38:04,905 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 377.5 MB. Free memory was 359.6 MB in the beginning and 359.4 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 21:38:04,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.57 ms. Allocated memory is still 377.5 MB. Free memory was 340.4 MB in the beginning and 317.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.0 GB. [2021-03-11 21:38:04,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 377.5 MB. Free memory was 317.6 MB in the beginning and 315.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 21:38:04,905 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 377.5 MB. Free memory was 314.5 MB in the beginning and 313.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 21:38:04,905 INFO L168 Benchmark]: RCFGBuilder took 355.91 ms. Allocated memory is still 377.5 MB. Free memory was 313.4 MB in the beginning and 283.0 MB in the end (delta: 30.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2021-03-11 21:38:04,905 INFO L168 Benchmark]: TraceAbstraction took 576904.21 ms. Allocated memory was 377.5 MB in the beginning and 14.0 GB in the end (delta: 13.6 GB). Free memory was 281.9 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 11.7 GB. Max. memory is 16.0 GB. [2021-03-11 21:38:04,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 377.5 MB. Free memory was 359.6 MB in the beginning and 359.4 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 503.57 ms. Allocated memory is still 377.5 MB. Free memory was 340.4 MB in the beginning and 317.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 41.60 ms. Allocated memory is still 377.5 MB. Free memory was 317.6 MB in the beginning and 315.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 377.5 MB. Free memory was 314.5 MB in the beginning and 313.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 355.91 ms. Allocated memory is still 377.5 MB. Free memory was 313.4 MB in the beginning and 283.0 MB in the end (delta: 30.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 576904.21 ms. Allocated memory was 377.5 MB in the beginning and 14.0 GB in the end (delta: 13.6 GB). Free memory was 281.9 MB in the beginning and 3.2 GB in the end (delta: -2.9 GB). Peak memory consumption was 11.7 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6543.0ms, 99 PlacesBefore, 25 PlacesAfterwards, 110 TransitionsBefore, 32 TransitionsAfterwards, 2520 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 102 TotalNumberOfCompositions, 3760 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2440, positive: 2346, positive conditional: 0, positive unconditional: 2346, negative: 94, negative conditional: 0, negative unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1698, positive: 1669, positive conditional: 0, positive unconditional: 1669, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1698, positive: 1597, positive conditional: 0, positive unconditional: 1597, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 263, positive: 156, positive conditional: 0, positive unconditional: 156, negative: 107, negative conditional: 0, negative unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2440, positive: 677, positive conditional: 0, positive unconditional: 677, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 1698, unknown conditional: 0, unknown unconditional: 1698] , Statistics on independence cache: Total cache size (in pairs): 88, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7551.3ms, 128 PlacesBefore, 44 PlacesAfterwards, 145 TransitionsBefore, 56 TransitionsAfterwards, 7224 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 64 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 23 ConcurrentYvCompositions, 5 ChoiceCompositions, 127 TotalNumberOfCompositions, 15531 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8241, positive: 8024, positive conditional: 0, positive unconditional: 8024, negative: 217, negative conditional: 0, negative unconditional: 217, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4731, positive: 4679, positive conditional: 0, positive unconditional: 4679, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4731, positive: 4376, positive conditional: 0, positive unconditional: 4376, negative: 355, negative conditional: 0, negative unconditional: 355, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 355, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 524, positive: 374, positive conditional: 0, positive unconditional: 374, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 44, unknown conditional: 0, unknown unconditional: 44] ], Cache Queries: [ total: 8241, positive: 3345, positive conditional: 0, positive unconditional: 3345, negative: 165, negative conditional: 0, negative unconditional: 165, unknown: 4731, unknown conditional: 0, unknown unconditional: 4731] , Statistics on independence cache: Total cache size (in pairs): 411, Positive cache size: 386, Positive conditional cache size: 0, Positive unconditional cache size: 386, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8291.7ms, 153 PlacesBefore, 58 PlacesAfterwards, 175 TransitionsBefore, 75 TransitionsAfterwards, 13440 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 26 ConcurrentYvCompositions, 5 ChoiceCompositions, 146 TotalNumberOfCompositions, 30642 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 16577, positive: 16286, positive conditional: 0, positive unconditional: 16286, negative: 291, negative conditional: 0, negative unconditional: 291, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8983, positive: 8895, positive conditional: 0, positive unconditional: 8895, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8983, positive: 8239, positive conditional: 0, positive unconditional: 8239, negative: 744, negative conditional: 0, negative unconditional: 744, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 744, positive: 656, positive conditional: 0, positive unconditional: 656, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 928, positive: 676, positive conditional: 0, positive unconditional: 676, negative: 229, negative conditional: 0, negative unconditional: 229, unknown: 23, unknown conditional: 0, unknown unconditional: 23] ], Cache Queries: [ total: 16577, positive: 7391, positive conditional: 0, positive unconditional: 7391, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 8983, unknown conditional: 0, unknown unconditional: 8983] , Statistics on independence cache: Total cache size (in pairs): 1093, Positive cache size: 1043, Positive conditional cache size: 0, Positive unconditional cache size: 1043, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8293.0ms, 178 PlacesBefore, 72 PlacesAfterwards, 205 TransitionsBefore, 94 TransitionsAfterwards, 21392 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 96 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 31 ConcurrentYvCompositions, 5 ChoiceCompositions, 167 TotalNumberOfCompositions, 56142 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27105, positive: 26670, positive conditional: 0, positive unconditional: 26670, negative: 435, negative conditional: 0, negative unconditional: 435, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13880, positive: 13778, positive conditional: 0, positive unconditional: 13778, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13880, positive: 12698, positive conditional: 0, positive unconditional: 12698, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1182, positive: 1080, positive conditional: 0, positive unconditional: 1080, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1220, positive: 998, positive conditional: 0, positive unconditional: 998, negative: 215, negative conditional: 0, negative unconditional: 215, unknown: 7, unknown conditional: 0, unknown unconditional: 7] ], Cache Queries: [ total: 27105, positive: 12892, positive conditional: 0, positive unconditional: 12892, negative: 333, negative conditional: 0, negative unconditional: 333, unknown: 13880, unknown conditional: 0, unknown unconditional: 13880] , Statistics on independence cache: Total cache size (in pairs): 1500, Positive cache size: 1448, Positive conditional cache size: 0, Positive unconditional cache size: 1448, Negative cache size: 52, Negative conditional cache size: 0, Negative unconditional cache size: 52 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9798.7ms, 203 PlacesBefore, 86 PlacesAfterwards, 235 TransitionsBefore, 113 TransitionsAfterwards, 31080 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 114 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 35 ConcurrentYvCompositions, 5 ChoiceCompositions, 189 TotalNumberOfCompositions, 77575 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36406, positive: 35940, positive conditional: 0, positive unconditional: 35940, negative: 466, negative conditional: 0, negative unconditional: 466, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20051, positive: 19936, positive conditional: 0, positive unconditional: 19936, negative: 115, negative conditional: 0, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20051, positive: 18194, positive conditional: 0, positive unconditional: 18194, negative: 1857, negative conditional: 0, negative unconditional: 1857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1857, positive: 1742, positive conditional: 0, positive unconditional: 1742, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1785, positive: 1535, positive conditional: 0, positive unconditional: 1535, negative: 246, negative conditional: 0, negative unconditional: 246, unknown: 4, unknown conditional: 0, unknown unconditional: 4] ], Cache Queries: [ total: 36406, positive: 16004, positive conditional: 0, positive unconditional: 16004, negative: 351, negative conditional: 0, negative unconditional: 351, unknown: 20051, unknown conditional: 0, unknown unconditional: 20051] , Statistics on independence cache: Total cache size (in pairs): 2218, Positive cache size: 2156, Positive conditional cache size: 0, Positive unconditional cache size: 2156, Negative cache size: 62, Negative conditional cache size: 0, Negative unconditional cache size: 62 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11523.4ms, 228 PlacesBefore, 100 PlacesAfterwards, 265 TransitionsBefore, 132 TransitionsAfterwards, 42504 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 129 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 40 ConcurrentYvCompositions, 5 ChoiceCompositions, 209 TotalNumberOfCompositions, 108248 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49281, positive: 48729, positive conditional: 0, positive unconditional: 48729, negative: 552, negative conditional: 0, negative unconditional: 552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26656, positive: 26513, positive conditional: 0, positive unconditional: 26513, negative: 143, negative conditional: 0, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26656, positive: 23910, positive conditional: 0, positive unconditional: 23910, negative: 2746, negative conditional: 0, negative unconditional: 2746, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2746, positive: 2603, positive conditional: 0, positive unconditional: 2603, negative: 142, negative conditional: 0, negative unconditional: 142, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2800, positive: 2463, positive conditional: 0, positive unconditional: 2463, negative: 330, negative conditional: 0, negative unconditional: 330, unknown: 7, unknown conditional: 0, unknown unconditional: 7] ], Cache Queries: [ total: 49281, positive: 22216, positive conditional: 0, positive unconditional: 22216, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 26656, unknown conditional: 0, unknown unconditional: 26656] , Statistics on independence cache: Total cache size (in pairs): 2463, Positive cache size: 2387, Positive conditional cache size: 0, Positive unconditional cache size: 2387, Negative cache size: 76, Negative conditional cache size: 0, Negative unconditional cache size: 76 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12859.0ms, 253 PlacesBefore, 114 PlacesAfterwards, 295 TransitionsBefore, 151 TransitionsAfterwards, 55664 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 147 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 43 ConcurrentYvCompositions, 5 ChoiceCompositions, 230 TotalNumberOfCompositions, 157183 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68189, positive: 67478, positive conditional: 0, positive unconditional: 67478, negative: 711, negative conditional: 0, negative unconditional: 711, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35110, positive: 34948, positive conditional: 0, positive unconditional: 34948, negative: 162, negative conditional: 0, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35110, positive: 31422, positive conditional: 0, positive unconditional: 31422, negative: 3688, negative conditional: 0, negative unconditional: 3688, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3688, positive: 3526, positive conditional: 0, positive unconditional: 3526, negative: 161, negative conditional: 0, negative unconditional: 161, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4028, positive: 3614, positive conditional: 0, positive unconditional: 3614, negative: 406, negative conditional: 0, negative unconditional: 406, unknown: 8, unknown conditional: 0, unknown unconditional: 8] ], Cache Queries: [ total: 68189, positive: 32530, positive conditional: 0, positive unconditional: 32530, negative: 549, negative conditional: 0, negative unconditional: 549, unknown: 35110, unknown conditional: 0, unknown unconditional: 35110] , Statistics on independence cache: Total cache size (in pairs): 3534, Positive cache size: 3446, Positive conditional cache size: 0, Positive unconditional cache size: 3446, Negative cache size: 88, Negative conditional cache size: 0, Negative unconditional cache size: 88 - TimeoutResultAtElement [Line: 922]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable (line 922). Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (3states, 341/525 universal loopers) in iteration 3,while PetriNetUnfolder was constructing finite prefix that currently has 2109112 conditions, 1146354 events (805103/1146353 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 47298. Compared 11663375 event pairs, 715784 based on Foata normal form. 132/1132798 useless extension candidates. Maximal degree in co-relation 2109083. Up to 962249 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 100 locations, 1 error locations. Started 7 CEGAR loops. EmptinessCheckTime: 9.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 576628.8ms, OverallIterations: 30, TraceHistogramMax: 7, EmptinessCheckTime: 0.0ms, AutomataDifference: 505648.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 65638.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 148 SDtfs, 66 SDslu, 0 SDs, 0 SdLazy, 303 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 202.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 223.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 140.9ms SsaConstructionTime, 369.4ms SatisfiabilityAnalysisTime, 1206.1ms InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1656 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 36 InterpolantComputations, 12 PerfectInterpolantSequences, 30/194 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 !ENTRY org.eclipse.osgi 4 0 2021-03-11 21:38:05.139 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdea0c2/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85cdea0c2/.metadata/.log.