/usr/bin/java -Xmx8000000000 -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-NoLbe-OGIterative.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/singleton.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 23:27:11,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 23:27:11,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 23:27:11,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-12 23:27:11,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-12 23:27:11,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-12 23:27:11,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-12 23:27:11,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-12 23:27:11,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-12 23:27:11,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-12 23:27:11,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-12 23:27:11,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-12 23:27:11,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 23:27:11,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 23:27:11,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 23:27:11,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 23:27:11,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 23:27:11,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 23:27:11,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 23:27:11,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 23:27:11,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 23:27:11,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 23:27:11,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 23:27:11,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 23:27:11,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-12 23:27:11,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-12 23:27:11,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-12 23:27:11,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-12 23:27:11,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-12 23:27:11,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-12 23:27:11,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-12 23:27:11,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-12 23:27:11,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-12 23:27:11,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-12 23:27:11,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-12 23:27:11,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-12 23:27:11,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-12 23:27:11,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-12 23:27:11,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-12 23:27:11,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-12 23:27:11,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-12 23:27:11,296 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-NoLbe-OGIterative.epf [2021-08-12 23:27:11,328 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 23:27:11,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 23:27:11,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 23:27:11,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 23:27:11,331 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 23:27:11,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 23:27:11,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 23:27:11,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 23:27:11,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 23:27:11,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 23:27:11,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 23:27:11,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 23:27:11,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 23:27:11,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 23:27:11,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 23:27:11,333 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 23:27:11,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 23:27:11,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 23:27:11,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 23:27:11,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 23:27:11,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 23:27:11,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 23:27:11,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 23:27:11,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 23:27:11,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 23:27:11,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 23:27:11,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 23:27:11,334 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 23:27:11,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 23:27:11,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 23:27:11,335 INFO L138 SettingsManager]: * Compute cosets for OwickiGries annotation iteratively=true [2021-08-12 23:27:11,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 23:27:11,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 23:27:11,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 23:27:11,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 23:27:11,594 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-12 23:27:11,595 INFO L275 PluginConnector]: CDTParser initialized [2021-08-12 23:27:11,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton.i [2021-08-12 23:27:11,640 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009fb5765/ce38ab13bcad479da808622d5773b8fc/FLAGdc20ace9e [2021-08-12 23:27:12,032 INFO L306 CDTParser]: Found 1 translation units. [2021-08-12 23:27:12,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i [2021-08-12 23:27:12,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009fb5765/ce38ab13bcad479da808622d5773b8fc/FLAGdc20ace9e [2021-08-12 23:27:12,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/009fb5765/ce38ab13bcad479da808622d5773b8fc [2021-08-12 23:27:12,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 23:27:12,372 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-12 23:27:12,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-12 23:27:12,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-12 23:27:12,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-12 23:27:12,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236a7896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12, skipping insertion in model container [2021-08-12 23:27:12,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-12 23:27:12,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-12 23:27:12,552 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-12 23:27:12,717 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2021-08-12 23:27:12,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 23:27:12,742 INFO L203 MainTranslator]: Completed pre-run [2021-08-12 23:27:12,763 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-08-12 23:27:12,788 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton.i[55547,55560] [2021-08-12 23:27:12,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-12 23:27:12,891 INFO L208 MainTranslator]: Completed translation [2021-08-12 23:27:12,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12 WrapperNode [2021-08-12 23:27:12,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-12 23:27:12,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 23:27:12,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 23:27:12,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 23:27:12,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 23:27:12,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 23:27:12,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 23:27:12,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 23:27:12,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (1/1) ... [2021-08-12 23:27:12,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 23:27:12,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 23:27:12,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 23:27:12,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 23:27:12,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (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 [2021-08-12 23:27:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-12 23:27:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-12 23:27:13,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2021-08-12 23:27:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-12 23:27:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-12 23:27:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-12 23:27:13,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-12 23:27:13,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 23:27:13,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 23:27:13,002 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 23:27:13,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 23:27:13,292 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-08-12 23:27:13,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 11:27:13 BoogieIcfgContainer [2021-08-12 23:27:13,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 23:27:13,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 23:27:13,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 23:27:13,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 23:27:13,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.08 11:27:12" (1/3) ... [2021-08-12 23:27:13,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81b665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 11:27:13, skipping insertion in model container [2021-08-12 23:27:13,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.08 11:27:12" (2/3) ... [2021-08-12 23:27:13,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81b665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 11:27:13, skipping insertion in model container [2021-08-12 23:27:13,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 11:27:13" (3/3) ... [2021-08-12 23:27:13,298 INFO L111 eAbstractionObserver]: Analyzing ICFG singleton.i [2021-08-12 23:27:13,307 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 23:27:13,308 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 23:27:13,308 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 23:27:13,352 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,352 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,353 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,353 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,353 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,353 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,354 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,354 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,354 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,354 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,354 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,354 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,355 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,356 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,357 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,357 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,358 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,359 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,359 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,360 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,361 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,362 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,363 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,364 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,365 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,366 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,367 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,368 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,369 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,370 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,370 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,370 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,370 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,371 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,373 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,373 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,373 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,373 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,377 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,377 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,377 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,377 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,377 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,377 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,379 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,380 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,381 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,381 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,381 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,381 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,381 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,381 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,382 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,382 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,382 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,382 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,382 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,382 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,382 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,383 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,384 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,384 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,384 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,384 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,384 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,384 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,384 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,385 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,385 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,385 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,385 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,385 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,385 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,394 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,394 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,394 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,394 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,394 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,394 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,394 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,395 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,395 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,395 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,395 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,395 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,395 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,395 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,396 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,396 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,396 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,396 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,397 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,398 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,399 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,400 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,400 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,400 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,400 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,400 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,400 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,400 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,401 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,402 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,404 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,404 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,404 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,405 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,405 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,405 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,406 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,406 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,406 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,406 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,406 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,408 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,408 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,408 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,408 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,412 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,412 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,412 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,412 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,414 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,414 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,414 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,414 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,417 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,421 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,421 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,422 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,424 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,424 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,424 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,424 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,424 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,424 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t4~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,425 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t3~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~mem19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~pre7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t2~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe thread0Thread1of1ForFork4_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,426 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t1~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,427 WARN L313 ript$VariableManager]: TermVariabe |thread0Thread1of1ForFork4_~#t5~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,428 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,428 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,429 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,429 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,429 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,429 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,430 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,430 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork3_#t~malloc6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,431 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,432 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,432 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,432 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,434 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,434 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,434 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,434 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,436 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,437 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork5_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,438 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,438 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,438 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,438 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-12 23:27:13,598 INFO L149 ThreadInstanceAdder]: Constructed 121 joinOtherThreadTransitions. [2021-08-12 23:27:13,613 INFO L255 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-08-12 23:27:13,626 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 23:27:13,626 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 23:27:13,626 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 23:27:13,626 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 23:27:13,626 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 23:27:13,626 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 23:27:13,626 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 23:27:13,626 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 23:27:13,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 278 transitions, 936 flow [2021-08-12 23:27:13,730 INFO L129 PetriNetUnfolder]: 61/292 cut-off events. [2021-08-12 23:27:13,730 INFO L130 PetriNetUnfolder]: For 39/39 co-relation queries the response was YES. [2021-08-12 23:27:13,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 292 events. 61/292 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 735 event pairs, 0 based on Foata normal form. 0/242 useless extension candidates. Maximal degree in co-relation 346. Up to 24 conditions per place. [2021-08-12 23:27:13,746 INFO L82 GeneralOperation]: Start removeDead. Operand has 197 places, 278 transitions, 936 flow [2021-08-12 23:27:13,756 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 158 transitions, 469 flow [2021-08-12 23:27:13,772 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2021-08-12 23:27:13,772 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-08-12 23:27:13,772 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:13,772 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:13,773 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:13,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:13,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2110777191, now seen corresponding path program 1 times [2021-08-12 23:27:13,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:13,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589607874] [2021-08-12 23:27:13,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:14,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:14,003 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:27:14,014 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:27:14,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:27:14,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:27:14,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:14,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:14,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:14,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:14,110 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:14,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:27:14,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:14,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:14,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:14,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589607874] [2021-08-12 23:27:14,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589607874] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:14,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:14,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-12 23:27:14,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654470253] [2021-08-12 23:27:14,165 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 23:27:14,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:14,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 23:27:14,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-08-12 23:27:14,178 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 289 [2021-08-12 23:27:14,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 158 transitions, 469 flow. Second operand has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 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) [2021-08-12 23:27:14,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:14,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 289 [2021-08-12 23:27:14,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:15,592 INFO L129 PetriNetUnfolder]: 4183/8187 cut-off events. [2021-08-12 23:27:15,592 INFO L130 PetriNetUnfolder]: For 1700/1716 co-relation queries the response was YES. [2021-08-12 23:27:15,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15264 conditions, 8187 events. 4183/8187 cut-off events. For 1700/1716 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 62116 event pairs, 1832 based on Foata normal form. 145/7189 useless extension candidates. Maximal degree in co-relation 15202. Up to 2927 conditions per place. [2021-08-12 23:27:15,656 INFO L132 encePairwiseOnDemand]: 270/289 looper letters, 132 selfloop transitions, 25 changer transitions 10/255 dead transitions. [2021-08-12 23:27:15,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 255 transitions, 1036 flow [2021-08-12 23:27:15,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 23:27:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 23:27:15,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3775 transitions. [2021-08-12 23:27:15,674 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.653114186851211 [2021-08-12 23:27:15,674 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3775 transitions. [2021-08-12 23:27:15,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3775 transitions. [2021-08-12 23:27:15,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:15,680 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3775 transitions. [2021-08-12 23:27:15,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 188.75) internal successors, (3775), 20 states have internal predecessors, (3775), 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) [2021-08-12 23:27:15,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 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) [2021-08-12 23:27:15,704 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 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) [2021-08-12 23:27:15,704 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 18 predicate places. [2021-08-12 23:27:15,704 INFO L482 AbstractCegarLoop]: Abstraction has has 155 places, 255 transitions, 1036 flow [2021-08-12 23:27:15,705 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 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) [2021-08-12 23:27:15,705 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:15,706 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:15,706 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 23:27:15,706 INFO L430 AbstractCegarLoop]: === Iteration 2 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:15,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:15,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1368208230, now seen corresponding path program 1 times [2021-08-12 23:27:15,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:15,707 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036347534] [2021-08-12 23:27:15,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:15,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:15,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:27:15,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:15,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:27:15,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:15,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:15,855 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-12 23:27:15,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 23:27:15,883 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-08-12 23:27:15,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-08-12 23:27:15,942 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:15,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-12 23:27:15,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:15,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:15,986 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:15,987 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036347534] [2021-08-12 23:27:15,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036347534] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:15,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:15,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-12 23:27:15,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899653815] [2021-08-12 23:27:15,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-08-12 23:27:15,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:15,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-12 23:27:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-08-12 23:27:15,991 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 289 [2021-08-12 23:27:15,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 255 transitions, 1036 flow. Second operand has 8 states, 8 states have (on average 202.125) internal successors, (1617), 8 states have internal predecessors, (1617), 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) [2021-08-12 23:27:15,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:15,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 289 [2021-08-12 23:27:15,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:16,977 INFO L129 PetriNetUnfolder]: 5226/9910 cut-off events. [2021-08-12 23:27:16,978 INFO L130 PetriNetUnfolder]: For 3901/4426 co-relation queries the response was YES. [2021-08-12 23:27:17,003 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24899 conditions, 9910 events. 5226/9910 cut-off events. For 3901/4426 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 75092 event pairs, 2147 based on Foata normal form. 8/8415 useless extension candidates. Maximal degree in co-relation 24814. Up to 5016 conditions per place. [2021-08-12 23:27:17,051 INFO L132 encePairwiseOnDemand]: 277/289 looper letters, 150 selfloop transitions, 18 changer transitions 10/295 dead transitions. [2021-08-12 23:27:17,051 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 295 transitions, 1588 flow [2021-08-12 23:27:17,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-12 23:27:17,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-08-12 23:27:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2300 transitions. [2021-08-12 23:27:17,055 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7234979553318653 [2021-08-12 23:27:17,055 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2300 transitions. [2021-08-12 23:27:17,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2300 transitions. [2021-08-12 23:27:17,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:17,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2300 transitions. [2021-08-12 23:27:17,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 209.0909090909091) internal successors, (2300), 11 states have internal predecessors, (2300), 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) [2021-08-12 23:27:17,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 289.0) internal successors, (3468), 12 states have internal predecessors, (3468), 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) [2021-08-12 23:27:17,065 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 289.0) internal successors, (3468), 12 states have internal predecessors, (3468), 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) [2021-08-12 23:27:17,065 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 28 predicate places. [2021-08-12 23:27:17,065 INFO L482 AbstractCegarLoop]: Abstraction has has 165 places, 295 transitions, 1588 flow [2021-08-12 23:27:17,066 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 202.125) internal successors, (1617), 8 states have internal predecessors, (1617), 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) [2021-08-12 23:27:17,066 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:17,066 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:17,066 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 23:27:17,066 INFO L430 AbstractCegarLoop]: === Iteration 3 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:17,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:17,067 INFO L82 PathProgramCache]: Analyzing trace with hash 70529286, now seen corresponding path program 2 times [2021-08-12 23:27:17,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:17,067 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77140406] [2021-08-12 23:27:17,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:17,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:17,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:27:17,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:27:17,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:27:17,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:27:17,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:17,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:17,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:17,223 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:27:17,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:27:17,273 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:17,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:27:17,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:17,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:17,322 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:17,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77140406] [2021-08-12 23:27:17,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77140406] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:17,322 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:17,322 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-12 23:27:17,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515049016] [2021-08-12 23:27:17,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 23:27:17,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:17,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 23:27:17,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-08-12 23:27:17,326 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 289 [2021-08-12 23:27:17,327 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 295 transitions, 1588 flow. Second operand has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 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) [2021-08-12 23:27:17,327 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:17,328 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 289 [2021-08-12 23:27:17,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:18,781 INFO L129 PetriNetUnfolder]: 6253/11650 cut-off events. [2021-08-12 23:27:18,781 INFO L130 PetriNetUnfolder]: For 8021/9313 co-relation queries the response was YES. [2021-08-12 23:27:18,815 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36785 conditions, 11650 events. 6253/11650 cut-off events. For 8021/9313 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 89803 event pairs, 2741 based on Foata normal form. 18/9806 useless extension candidates. Maximal degree in co-relation 36670. Up to 6127 conditions per place. [2021-08-12 23:27:18,870 INFO L132 encePairwiseOnDemand]: 273/289 looper letters, 204 selfloop transitions, 30 changer transitions 2/324 dead transitions. [2021-08-12 23:27:18,870 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 324 transitions, 2242 flow [2021-08-12 23:27:18,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 23:27:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-12 23:27:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3216 transitions. [2021-08-12 23:27:18,876 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6545898636271117 [2021-08-12 23:27:18,876 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3216 transitions. [2021-08-12 23:27:18,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3216 transitions. [2021-08-12 23:27:18,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:18,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3216 transitions. [2021-08-12 23:27:18,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 189.1764705882353) internal successors, (3216), 17 states have internal predecessors, (3216), 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) [2021-08-12 23:27:18,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 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) [2021-08-12 23:27:18,887 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 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) [2021-08-12 23:27:18,887 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 42 predicate places. [2021-08-12 23:27:18,887 INFO L482 AbstractCegarLoop]: Abstraction has has 179 places, 324 transitions, 2242 flow [2021-08-12 23:27:18,888 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 182.36363636363637) internal successors, (2006), 11 states have internal predecessors, (2006), 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) [2021-08-12 23:27:18,888 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:18,888 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:18,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 23:27:18,888 INFO L430 AbstractCegarLoop]: === Iteration 4 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:18,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:18,889 INFO L82 PathProgramCache]: Analyzing trace with hash 660074778, now seen corresponding path program 1 times [2021-08-12 23:27:18,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:18,889 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706765699] [2021-08-12 23:27:18,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:18,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:18,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:18,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 23:27:18,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:18,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:27:18,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:18,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:27:18,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:18,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:27:18,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:18,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:18,930 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:18,930 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706765699] [2021-08-12 23:27:18,930 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706765699] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:18,930 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:18,930 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-12 23:27:18,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186831052] [2021-08-12 23:27:18,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-08-12 23:27:18,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:18,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-12 23:27:18,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-12 23:27:18,932 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 289 [2021-08-12 23:27:18,933 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 324 transitions, 2242 flow. Second operand has 6 states, 6 states have (on average 253.66666666666666) internal successors, (1522), 6 states have internal predecessors, (1522), 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) [2021-08-12 23:27:18,933 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:18,933 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 289 [2021-08-12 23:27:18,933 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:21,760 INFO L129 PetriNetUnfolder]: 16459/30202 cut-off events. [2021-08-12 23:27:21,760 INFO L130 PetriNetUnfolder]: For 41283/48114 co-relation queries the response was YES. [2021-08-12 23:27:21,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104276 conditions, 30202 events. 16459/30202 cut-off events. For 41283/48114 co-relation queries the response was YES. Maximal size of possible extension queue 1317. Compared 272664 event pairs, 2699 based on Foata normal form. 7/25652 useless extension candidates. Maximal degree in co-relation 104086. Up to 15814 conditions per place. [2021-08-12 23:27:22,091 INFO L132 encePairwiseOnDemand]: 276/289 looper letters, 176 selfloop transitions, 84 changer transitions 27/522 dead transitions. [2021-08-12 23:27:22,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 522 transitions, 4302 flow [2021-08-12 23:27:22,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 23:27:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 23:27:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3426 transitions. [2021-08-12 23:27:22,097 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.9118977907905244 [2021-08-12 23:27:22,097 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3426 transitions. [2021-08-12 23:27:22,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3426 transitions. [2021-08-12 23:27:22,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:22,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3426 transitions. [2021-08-12 23:27:22,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 263.53846153846155) internal successors, (3426), 13 states have internal predecessors, (3426), 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) [2021-08-12 23:27:22,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 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) [2021-08-12 23:27:22,108 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 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) [2021-08-12 23:27:22,109 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 54 predicate places. [2021-08-12 23:27:22,109 INFO L482 AbstractCegarLoop]: Abstraction has has 191 places, 522 transitions, 4302 flow [2021-08-12 23:27:22,109 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 253.66666666666666) internal successors, (1522), 6 states have internal predecessors, (1522), 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) [2021-08-12 23:27:22,109 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:22,109 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:22,109 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 23:27:22,110 INFO L430 AbstractCegarLoop]: === Iteration 5 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:22,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:22,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1265870947, now seen corresponding path program 1 times [2021-08-12 23:27:22,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:22,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967178542] [2021-08-12 23:27:22,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:22,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:22,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:22,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:27:22,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:22,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:27:22,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:22,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:22,204 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-12 23:27:22,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 23:27:22,220 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-12 23:27:22,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 23:27:22,238 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-08-12 23:27:22,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-08-12 23:27:22,287 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:22,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-12 23:27:22,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:22,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:22,330 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:22,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967178542] [2021-08-12 23:27:22,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967178542] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:22,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:22,331 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-08-12 23:27:22,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118580075] [2021-08-12 23:27:22,331 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-08-12 23:27:22,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:22,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-12 23:27:22,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-08-12 23:27:22,333 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 289 [2021-08-12 23:27:22,334 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 522 transitions, 4302 flow. Second operand has 9 states, 9 states have (on average 201.88888888888889) internal successors, (1817), 9 states have internal predecessors, (1817), 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) [2021-08-12 23:27:22,334 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:22,334 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 289 [2021-08-12 23:27:22,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:26,005 INFO L129 PetriNetUnfolder]: 19406/35223 cut-off events. [2021-08-12 23:27:26,005 INFO L130 PetriNetUnfolder]: For 82047/92693 co-relation queries the response was YES. [2021-08-12 23:27:26,164 INFO L84 FinitePrefix]: Finished finitePrefix Result has 142738 conditions, 35223 events. 19406/35223 cut-off events. For 82047/92693 co-relation queries the response was YES. Maximal size of possible extension queue 1489. Compared 319048 event pairs, 3004 based on Foata normal form. 190/29936 useless extension candidates. Maximal degree in co-relation 142495. Up to 18652 conditions per place. [2021-08-12 23:27:26,687 INFO L132 encePairwiseOnDemand]: 276/289 looper letters, 378 selfloop transitions, 23 changer transitions 27/574 dead transitions. [2021-08-12 23:27:26,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 574 transitions, 5610 flow [2021-08-12 23:27:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-12 23:27:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-08-12 23:27:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2496 transitions. [2021-08-12 23:27:26,695 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7197231833910035 [2021-08-12 23:27:26,695 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 2496 transitions. [2021-08-12 23:27:26,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 2496 transitions. [2021-08-12 23:27:26,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:26,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 2496 transitions. [2021-08-12 23:27:26,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 208.0) internal successors, (2496), 12 states have internal predecessors, (2496), 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) [2021-08-12 23:27:26,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 289.0) internal successors, (3757), 13 states have internal predecessors, (3757), 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) [2021-08-12 23:27:26,713 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 289.0) internal successors, (3757), 13 states have internal predecessors, (3757), 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) [2021-08-12 23:27:26,713 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 65 predicate places. [2021-08-12 23:27:26,713 INFO L482 AbstractCegarLoop]: Abstraction has has 202 places, 574 transitions, 5610 flow [2021-08-12 23:27:26,713 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 201.88888888888889) internal successors, (1817), 9 states have internal predecessors, (1817), 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) [2021-08-12 23:27:26,713 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:26,714 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:26,714 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 23:27:26,714 INFO L430 AbstractCegarLoop]: === Iteration 6 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:26,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:26,714 INFO L82 PathProgramCache]: Analyzing trace with hash -2025968747, now seen corresponding path program 2 times [2021-08-12 23:27:26,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:26,715 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504945663] [2021-08-12 23:27:26,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:26,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:26,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:27:26,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:27:26,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:27:26,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:27:26,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:26,819 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:26,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:26,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:26,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:26,854 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-12 23:27:26,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-12 23:27:27,045 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 17 [2021-08-12 23:27:27,048 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:27:27,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:27:27,089 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:27,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:27:27,136 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:27,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:27,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:27,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:27,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504945663] [2021-08-12 23:27:27,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504945663] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:27,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:27,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-08-12 23:27:27,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284290768] [2021-08-12 23:27:27,137 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-08-12 23:27:27,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:27,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-12 23:27:27,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-08-12 23:27:27,139 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 289 [2021-08-12 23:27:27,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 574 transitions, 5610 flow. Second operand has 11 states, 11 states have (on average 180.36363636363637) internal successors, (1984), 11 states have internal predecessors, (1984), 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) [2021-08-12 23:27:27,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:27,140 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 289 [2021-08-12 23:27:27,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:31,585 INFO L129 PetriNetUnfolder]: 20795/37651 cut-off events. [2021-08-12 23:27:31,585 INFO L130 PetriNetUnfolder]: For 121285/137987 co-relation queries the response was YES. [2021-08-12 23:27:31,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 176619 conditions, 37651 events. 20795/37651 cut-off events. For 121285/137987 co-relation queries the response was YES. Maximal size of possible extension queue 1598. Compared 343621 event pairs, 3119 based on Foata normal form. 320/32033 useless extension candidates. Maximal degree in co-relation 176312. Up to 20214 conditions per place. [2021-08-12 23:27:32,000 INFO L132 encePairwiseOnDemand]: 272/289 looper letters, 481 selfloop transitions, 36 changer transitions 29/648 dead transitions. [2021-08-12 23:27:32,000 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 648 transitions, 7395 flow [2021-08-12 23:27:32,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-12 23:27:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2021-08-12 23:27:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 3004 transitions. [2021-08-12 23:27:32,005 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6496539792387543 [2021-08-12 23:27:32,005 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 3004 transitions. [2021-08-12 23:27:32,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 3004 transitions. [2021-08-12 23:27:32,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:32,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 3004 transitions. [2021-08-12 23:27:32,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 187.75) internal successors, (3004), 16 states have internal predecessors, (3004), 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) [2021-08-12 23:27:32,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 289.0) internal successors, (4913), 17 states have internal predecessors, (4913), 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) [2021-08-12 23:27:32,015 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 289.0) internal successors, (4913), 17 states have internal predecessors, (4913), 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) [2021-08-12 23:27:32,015 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 80 predicate places. [2021-08-12 23:27:32,015 INFO L482 AbstractCegarLoop]: Abstraction has has 217 places, 648 transitions, 7395 flow [2021-08-12 23:27:32,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 180.36363636363637) internal successors, (1984), 11 states have internal predecessors, (1984), 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) [2021-08-12 23:27:32,015 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:32,015 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:32,015 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 23:27:32,015 INFO L430 AbstractCegarLoop]: === Iteration 7 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:32,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:32,016 INFO L82 PathProgramCache]: Analyzing trace with hash -631011947, now seen corresponding path program 3 times [2021-08-12 23:27:32,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:32,016 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647294274] [2021-08-12 23:27:32,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:32,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:32,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:27:32,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:27:32,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:27:32,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:27:32,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:32,085 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:32,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:32,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:32,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:32,117 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-08-12 23:27:32,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-08-12 23:27:32,162 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:32,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-12 23:27:32,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:32,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:32,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:32,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647294274] [2021-08-12 23:27:32,205 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647294274] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:32,205 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:32,205 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-12 23:27:32,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033142280] [2021-08-12 23:27:32,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-12 23:27:32,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:32,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-12 23:27:32,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-08-12 23:27:32,208 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 289 [2021-08-12 23:27:32,209 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 648 transitions, 7395 flow. Second operand has 12 states, 12 states have (on average 180.08333333333334) internal successors, (2161), 12 states have internal predecessors, (2161), 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) [2021-08-12 23:27:32,209 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:32,209 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 289 [2021-08-12 23:27:32,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:36,964 INFO L129 PetriNetUnfolder]: 20600/37153 cut-off events. [2021-08-12 23:27:36,964 INFO L130 PetriNetUnfolder]: For 159624/180616 co-relation queries the response was YES. [2021-08-12 23:27:37,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197868 conditions, 37153 events. 20600/37153 cut-off events. For 159624/180616 co-relation queries the response was YES. Maximal size of possible extension queue 1590. Compared 336588 event pairs, 3030 based on Foata normal form. 223/31525 useless extension candidates. Maximal degree in co-relation 197519. Up to 19916 conditions per place. [2021-08-12 23:27:37,264 INFO L132 encePairwiseOnDemand]: 271/289 looper letters, 486 selfloop transitions, 42 changer transitions 29/659 dead transitions. [2021-08-12 23:27:37,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 659 transitions, 8606 flow [2021-08-12 23:27:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-08-12 23:27:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-08-12 23:27:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3355 transitions. [2021-08-12 23:27:37,269 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6449442522106882 [2021-08-12 23:27:37,269 INFO L72 ComplementDD]: Start complementDD. Operand 18 states and 3355 transitions. [2021-08-12 23:27:37,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 3355 transitions. [2021-08-12 23:27:37,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:37,271 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 18 states and 3355 transitions. [2021-08-12 23:27:37,275 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 19 states, 18 states have (on average 186.38888888888889) internal successors, (3355), 18 states have internal predecessors, (3355), 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) [2021-08-12 23:27:37,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 19 states, 19 states have (on average 289.0) internal successors, (5491), 19 states have internal predecessors, (5491), 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) [2021-08-12 23:27:37,279 INFO L81 ComplementDD]: Finished complementDD. Result has 19 states, 19 states have (on average 289.0) internal successors, (5491), 19 states have internal predecessors, (5491), 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) [2021-08-12 23:27:37,279 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 97 predicate places. [2021-08-12 23:27:37,279 INFO L482 AbstractCegarLoop]: Abstraction has has 234 places, 659 transitions, 8606 flow [2021-08-12 23:27:37,280 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 180.08333333333334) internal successors, (2161), 12 states have internal predecessors, (2161), 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) [2021-08-12 23:27:37,280 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:37,280 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:37,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-12 23:27:37,280 INFO L430 AbstractCegarLoop]: === Iteration 8 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:37,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:37,281 INFO L82 PathProgramCache]: Analyzing trace with hash -312681701, now seen corresponding path program 4 times [2021-08-12 23:27:37,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:37,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34155213] [2021-08-12 23:27:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:37,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:37,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:27:37,307 INFO L142 QuantifierPusher]: treesize reduction 14, result has 22.2 percent of original size [2021-08-12 23:27:37,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:27:37,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:27:37,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 23:27:37,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 23:27:37,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 23:27:37,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:27:37,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:27:37,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:27:37,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:37,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:37,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:37,338 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:37,338 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34155213] [2021-08-12 23:27:37,339 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34155213] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:37,339 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:37,339 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-12 23:27:37,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294244259] [2021-08-12 23:27:37,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 23:27:37,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:37,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 23:27:37,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-08-12 23:27:37,341 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 289 [2021-08-12 23:27:37,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 659 transitions, 8606 flow. Second operand has 10 states, 10 states have (on average 239.9) internal successors, (2399), 10 states have internal predecessors, (2399), 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) [2021-08-12 23:27:37,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:37,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 289 [2021-08-12 23:27:37,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:42,796 INFO L129 PetriNetUnfolder]: 21797/39922 cut-off events. [2021-08-12 23:27:42,796 INFO L130 PetriNetUnfolder]: For 208965/240808 co-relation queries the response was YES. [2021-08-12 23:27:42,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 227286 conditions, 39922 events. 21797/39922 cut-off events. For 208965/240808 co-relation queries the response was YES. Maximal size of possible extension queue 1700. Compared 371583 event pairs, 3057 based on Foata normal form. 1209/35044 useless extension candidates. Maximal degree in co-relation 226913. Up to 21105 conditions per place. [2021-08-12 23:27:43,155 INFO L132 encePairwiseOnDemand]: 273/289 looper letters, 267 selfloop transitions, 129 changer transitions 173/851 dead transitions. [2021-08-12 23:27:43,155 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 255 places, 851 transitions, 12394 flow [2021-08-12 23:27:43,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 23:27:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-12 23:27:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 5412 transitions. [2021-08-12 23:27:43,159 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8512110726643599 [2021-08-12 23:27:43,159 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 5412 transitions. [2021-08-12 23:27:43,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 5412 transitions. [2021-08-12 23:27:43,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:43,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 5412 transitions. [2021-08-12 23:27:43,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 246.0) internal successors, (5412), 22 states have internal predecessors, (5412), 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) [2021-08-12 23:27:43,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 289.0) internal successors, (6647), 23 states have internal predecessors, (6647), 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) [2021-08-12 23:27:43,170 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 289.0) internal successors, (6647), 23 states have internal predecessors, (6647), 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) [2021-08-12 23:27:43,170 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 118 predicate places. [2021-08-12 23:27:43,170 INFO L482 AbstractCegarLoop]: Abstraction has has 255 places, 851 transitions, 12394 flow [2021-08-12 23:27:43,170 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 239.9) internal successors, (2399), 10 states have internal predecessors, (2399), 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) [2021-08-12 23:27:43,170 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:43,170 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:43,170 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-12 23:27:43,170 INFO L430 AbstractCegarLoop]: === Iteration 9 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:43,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:43,171 INFO L82 PathProgramCache]: Analyzing trace with hash -418126755, now seen corresponding path program 1 times [2021-08-12 23:27:43,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:43,171 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34091411] [2021-08-12 23:27:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:43,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:43,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:43,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:43,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:27:43,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:43,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:27:43,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:43,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:43,220 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-12 23:27:43,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 23:27:43,234 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-12 23:27:43,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 23:27:43,250 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-12 23:27:43,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 23:27:43,270 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-08-12 23:27:43,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-08-12 23:27:43,309 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:43,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-12 23:27:43,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:43,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:43,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:43,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:43,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34091411] [2021-08-12 23:27:43,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34091411] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:43,354 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:43,354 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-08-12 23:27:43,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546520889] [2021-08-12 23:27:43,354 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-08-12 23:27:43,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:43,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-12 23:27:43,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-08-12 23:27:43,356 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 289 [2021-08-12 23:27:43,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 851 transitions, 12394 flow. Second operand has 10 states, 10 states have (on average 201.5) internal successors, (2015), 10 states have internal predecessors, (2015), 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) [2021-08-12 23:27:43,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:43,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 289 [2021-08-12 23:27:43,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:43,526 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-08-12 23:27:49,377 INFO L129 PetriNetUnfolder]: 22858/41081 cut-off events. [2021-08-12 23:27:49,377 INFO L130 PetriNetUnfolder]: For 298430/316502 co-relation queries the response was YES. [2021-08-12 23:27:49,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 257720 conditions, 41081 events. 22858/41081 cut-off events. For 298430/316502 co-relation queries the response was YES. Maximal size of possible extension queue 1679. Compared 372959 event pairs, 3481 based on Foata normal form. 269/35034 useless extension candidates. Maximal degree in co-relation 257308. Up to 22526 conditions per place. [2021-08-12 23:27:49,692 INFO L132 encePairwiseOnDemand]: 275/289 looper letters, 456 selfloop transitions, 26 changer transitions 183/871 dead transitions. [2021-08-12 23:27:49,693 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 871 transitions, 13895 flow [2021-08-12 23:27:49,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-12 23:27:49,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-08-12 23:27:49,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2697 transitions. [2021-08-12 23:27:49,695 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.7178599946766037 [2021-08-12 23:27:49,695 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2697 transitions. [2021-08-12 23:27:49,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2697 transitions. [2021-08-12 23:27:49,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:49,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2697 transitions. [2021-08-12 23:27:49,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 207.46153846153845) internal successors, (2697), 13 states have internal predecessors, (2697), 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) [2021-08-12 23:27:49,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 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) [2021-08-12 23:27:49,700 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 289.0) internal successors, (4046), 14 states have internal predecessors, (4046), 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) [2021-08-12 23:27:49,700 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 130 predicate places. [2021-08-12 23:27:49,701 INFO L482 AbstractCegarLoop]: Abstraction has has 267 places, 871 transitions, 13895 flow [2021-08-12 23:27:49,701 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 201.5) internal successors, (2015), 10 states have internal predecessors, (2015), 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) [2021-08-12 23:27:49,701 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:49,701 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:49,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-12 23:27:49,701 INFO L430 AbstractCegarLoop]: === Iteration 10 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:49,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:49,701 INFO L82 PathProgramCache]: Analyzing trace with hash 187255453, now seen corresponding path program 2 times [2021-08-12 23:27:49,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:49,702 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127884019] [2021-08-12 23:27:49,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:49,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:49,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:27:49,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:27:49,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:27:49,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:27:49,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:49,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:49,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:49,798 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:49,804 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-12 23:27:49,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-12 23:27:49,828 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-12 23:27:49,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-12 23:27:49,854 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:27:49,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:27:49,894 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:49,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:27:49,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:49,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:49,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:49,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127884019] [2021-08-12 23:27:49,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127884019] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:49,935 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:49,935 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-12 23:27:49,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468728968] [2021-08-12 23:27:49,935 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-12 23:27:49,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:49,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-12 23:27:49,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-08-12 23:27:49,937 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 177 out of 289 [2021-08-12 23:27:49,938 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 871 transitions, 13895 flow. Second operand has 12 states, 12 states have (on average 180.0) internal successors, (2160), 12 states have internal predecessors, (2160), 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) [2021-08-12 23:27:49,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:49,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 177 of 289 [2021-08-12 23:27:49,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:27:56,453 INFO L129 PetriNetUnfolder]: 23523/42593 cut-off events. [2021-08-12 23:27:56,453 INFO L130 PetriNetUnfolder]: For 372803/396363 co-relation queries the response was YES. [2021-08-12 23:27:56,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 291975 conditions, 42593 events. 23523/42593 cut-off events. For 372803/396363 co-relation queries the response was YES. Maximal size of possible extension queue 1763. Compared 392256 event pairs, 3328 based on Foata normal form. 534/36727 useless extension candidates. Maximal degree in co-relation 291483. Up to 23334 conditions per place. [2021-08-12 23:27:56,936 INFO L132 encePairwiseOnDemand]: 271/289 looper letters, 572 selfloop transitions, 48 changer transitions 186/952 dead transitions. [2021-08-12 23:27:56,936 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 952 transitions, 16738 flow [2021-08-12 23:27:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-08-12 23:27:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-08-12 23:27:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 3183 transitions. [2021-08-12 23:27:56,939 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6478729900264604 [2021-08-12 23:27:56,939 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 3183 transitions. [2021-08-12 23:27:56,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 3183 transitions. [2021-08-12 23:27:56,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:27:56,940 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 3183 transitions. [2021-08-12 23:27:56,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 187.23529411764707) internal successors, (3183), 17 states have internal predecessors, (3183), 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) [2021-08-12 23:27:56,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 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) [2021-08-12 23:27:56,945 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 289.0) internal successors, (5202), 18 states have internal predecessors, (5202), 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) [2021-08-12 23:27:56,945 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 146 predicate places. [2021-08-12 23:27:56,946 INFO L482 AbstractCegarLoop]: Abstraction has has 283 places, 952 transitions, 16738 flow [2021-08-12 23:27:56,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 180.0) internal successors, (2160), 12 states have internal predecessors, (2160), 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) [2021-08-12 23:27:56,946 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:27:56,946 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:27:56,946 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-12 23:27:56,946 INFO L430 AbstractCegarLoop]: === Iteration 11 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:27:56,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:27:56,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1754629952, now seen corresponding path program 1 times [2021-08-12 23:27:56,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:27:56,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095604329] [2021-08-12 23:27:56,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:27:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:27:56,997 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:56,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:57,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:27:57,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:27:57,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:27:57,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:27:57,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 23:27:57,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:27:57,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:27:57,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:27:57,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:27:57,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:27:57,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:57,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:27:57,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:27:57,111 INFO L142 QuantifierPusher]: treesize reduction 15, result has 73.2 percent of original size [2021-08-12 23:27:57,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-08-12 23:27:57,137 INFO L142 QuantifierPusher]: treesize reduction 30, result has 84.8 percent of original size [2021-08-12 23:27:57,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-08-12 23:27:57,182 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:27:57,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2021-08-12 23:27:57,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:27:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:27:57,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:27:57,233 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:27:57,233 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095604329] [2021-08-12 23:27:57,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095604329] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:27:57,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:27:57,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 23:27:57,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064694281] [2021-08-12 23:27:57,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 23:27:57,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:27:57,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 23:27:57,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-12 23:27:57,236 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 289 [2021-08-12 23:27:57,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 952 transitions, 16738 flow. Second operand has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 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) [2021-08-12 23:27:57,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:27:57,238 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 289 [2021-08-12 23:27:57,238 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:28:05,126 INFO L129 PetriNetUnfolder]: 25120/45538 cut-off events. [2021-08-12 23:28:05,126 INFO L130 PetriNetUnfolder]: For 480923/508940 co-relation queries the response was YES. [2021-08-12 23:28:05,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 338669 conditions, 45538 events. 25120/45538 cut-off events. For 480923/508940 co-relation queries the response was YES. Maximal size of possible extension queue 1876. Compared 422911 event pairs, 3198 based on Foata normal form. 393/38864 useless extension candidates. Maximal degree in co-relation 338089. Up to 25067 conditions per place. [2021-08-12 23:28:05,511 INFO L132 encePairwiseOnDemand]: 269/289 looper letters, 664 selfloop transitions, 79 changer transitions 187/1066 dead transitions. [2021-08-12 23:28:05,511 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 1066 transitions, 20562 flow [2021-08-12 23:28:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 23:28:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 23:28:05,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3855 transitions. [2021-08-12 23:28:05,514 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6351952545724172 [2021-08-12 23:28:05,514 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3855 transitions. [2021-08-12 23:28:05,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3855 transitions. [2021-08-12 23:28:05,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:28:05,514 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3855 transitions. [2021-08-12 23:28:05,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 183.57142857142858) internal successors, (3855), 21 states have internal predecessors, (3855), 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) [2021-08-12 23:28:05,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 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) [2021-08-12 23:28:05,521 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 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) [2021-08-12 23:28:05,521 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 166 predicate places. [2021-08-12 23:28:05,521 INFO L482 AbstractCegarLoop]: Abstraction has has 303 places, 1066 transitions, 20562 flow [2021-08-12 23:28:05,522 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 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) [2021-08-12 23:28:05,522 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:28:05,522 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:28:05,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-12 23:28:05,522 INFO L430 AbstractCegarLoop]: === Iteration 12 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:28:05,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:28:05,522 INFO L82 PathProgramCache]: Analyzing trace with hash -517654093, now seen corresponding path program 3 times [2021-08-12 23:28:05,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:28:05,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578749723] [2021-08-12 23:28:05,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:28:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:28:05,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:05,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:28:05,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:28:05,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:28:05,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:28:05,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 23:28:05,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:05,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:05,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:05,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:05,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:28:05,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:05,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:05,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:28:05,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:28:05,680 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:28:05,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:28:05,720 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:28:05,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:28:05,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:05,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:28:05,762 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:28:05,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578749723] [2021-08-12 23:28:05,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578749723] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:28:05,762 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:28:05,762 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-08-12 23:28:05,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353815224] [2021-08-12 23:28:05,762 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-08-12 23:28:05,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:28:05,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-08-12 23:28:05,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-08-12 23:28:05,764 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 289 [2021-08-12 23:28:05,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 1066 transitions, 20562 flow. Second operand has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 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) [2021-08-12 23:28:05,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:28:05,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 289 [2021-08-12 23:28:05,766 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:28:15,382 INFO L129 PetriNetUnfolder]: 26938/48321 cut-off events. [2021-08-12 23:28:15,382 INFO L130 PetriNetUnfolder]: For 593279/624755 co-relation queries the response was YES. [2021-08-12 23:28:15,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 392329 conditions, 48321 events. 26938/48321 cut-off events. For 593279/624755 co-relation queries the response was YES. Maximal size of possible extension queue 1992. Compared 447071 event pairs, 3422 based on Foata normal form. 280/40969 useless extension candidates. Maximal degree in co-relation 391653. Up to 27095 conditions per place. [2021-08-12 23:28:15,895 INFO L132 encePairwiseOnDemand]: 268/289 looper letters, 728 selfloop transitions, 98 changer transitions 188/1150 dead transitions. [2021-08-12 23:28:15,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 1150 transitions, 24280 flow [2021-08-12 23:28:15,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 23:28:15,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 23:28:15,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3849 transitions. [2021-08-12 23:28:15,898 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.634206623826001 [2021-08-12 23:28:15,898 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3849 transitions. [2021-08-12 23:28:15,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3849 transitions. [2021-08-12 23:28:15,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:28:15,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3849 transitions. [2021-08-12 23:28:15,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 183.28571428571428) internal successors, (3849), 21 states have internal predecessors, (3849), 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) [2021-08-12 23:28:15,905 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 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) [2021-08-12 23:28:15,905 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 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) [2021-08-12 23:28:15,906 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 186 predicate places. [2021-08-12 23:28:15,906 INFO L482 AbstractCegarLoop]: Abstraction has has 323 places, 1150 transitions, 24280 flow [2021-08-12 23:28:15,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 176.53333333333333) internal successors, (2648), 15 states have internal predecessors, (2648), 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) [2021-08-12 23:28:15,906 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:28:15,906 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:28:15,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-12 23:28:15,906 INFO L430 AbstractCegarLoop]: === Iteration 13 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:28:15,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:28:15,907 INFO L82 PathProgramCache]: Analyzing trace with hash -936800033, now seen corresponding path program 4 times [2021-08-12 23:28:15,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:28:15,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137998426] [2021-08-12 23:28:15,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:28:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:28:15,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:15,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:15,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:15,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:28:15,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:15,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 23:28:15,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:15,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 23:28:15,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:15,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 23:28:15,978 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-08-12 23:28:15,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 23:28:15,988 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-08-12 23:28:15,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-08-12 23:28:16,001 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-08-12 23:28:16,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 23:28:16,013 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-08-12 23:28:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-12 23:28:16,021 INFO L142 QuantifierPusher]: treesize reduction 14, result has 78.8 percent of original size [2021-08-12 23:28:16,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-12 23:28:16,037 INFO L142 QuantifierPusher]: treesize reduction 14, result has 72.0 percent of original size [2021-08-12 23:28:16,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 23:28:16,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 23:28:16,061 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-08-12 23:28:16,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:28:16,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:28:16,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 23:28:16,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 23:28:16,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:16,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:16,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:16,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:16,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:28:16,207 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:28:16,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:28:16,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:16,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:28:16,266 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:28:16,266 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137998426] [2021-08-12 23:28:16,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137998426] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:28:16,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:28:16,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2021-08-12 23:28:16,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515002481] [2021-08-12 23:28:16,267 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-08-12 23:28:16,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:28:16,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-08-12 23:28:16,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2021-08-12 23:28:16,269 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 289 [2021-08-12 23:28:16,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 1150 transitions, 24280 flow. Second operand has 20 states, 20 states have (on average 172.05) internal successors, (3441), 20 states have internal predecessors, (3441), 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) [2021-08-12 23:28:16,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:28:16,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 289 [2021-08-12 23:28:16,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:28:27,194 INFO L129 PetriNetUnfolder]: 28621/51229 cut-off events. [2021-08-12 23:28:27,195 INFO L130 PetriNetUnfolder]: For 735324/772994 co-relation queries the response was YES. [2021-08-12 23:28:27,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 449095 conditions, 51229 events. 28621/51229 cut-off events. For 735324/772994 co-relation queries the response was YES. Maximal size of possible extension queue 2114. Compared 476414 event pairs, 2983 based on Foata normal form. 324/43333 useless extension candidates. Maximal degree in co-relation 448313. Up to 29030 conditions per place. [2021-08-12 23:28:27,779 INFO L132 encePairwiseOnDemand]: 265/289 looper letters, 858 selfloop transitions, 157 changer transitions 218/1365 dead transitions. [2021-08-12 23:28:27,779 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 1365 transitions, 31730 flow [2021-08-12 23:28:27,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-12 23:28:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-08-12 23:28:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 5357 transitions. [2021-08-12 23:28:27,783 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6178777393310265 [2021-08-12 23:28:27,783 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 5357 transitions. [2021-08-12 23:28:27,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 5357 transitions. [2021-08-12 23:28:27,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:28:27,784 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 5357 transitions. [2021-08-12 23:28:27,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 178.56666666666666) internal successors, (5357), 30 states have internal predecessors, (5357), 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) [2021-08-12 23:28:27,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 289.0) internal successors, (8959), 31 states have internal predecessors, (8959), 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) [2021-08-12 23:28:27,792 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 289.0) internal successors, (8959), 31 states have internal predecessors, (8959), 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) [2021-08-12 23:28:27,792 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 215 predicate places. [2021-08-12 23:28:27,792 INFO L482 AbstractCegarLoop]: Abstraction has has 352 places, 1365 transitions, 31730 flow [2021-08-12 23:28:27,793 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 172.05) internal successors, (3441), 20 states have internal predecessors, (3441), 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) [2021-08-12 23:28:27,793 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:28:27,793 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:28:27,793 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-12 23:28:27,793 INFO L430 AbstractCegarLoop]: === Iteration 14 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:28:27,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:28:27,793 INFO L82 PathProgramCache]: Analyzing trace with hash 101962491, now seen corresponding path program 5 times [2021-08-12 23:28:27,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:28:27,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234921250] [2021-08-12 23:28:27,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:28:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:28:27,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:27,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:28:27,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:28:27,839 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:28:27,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:28:27,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 23:28:27,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 23:28:27,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:28:27,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 23:28:27,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 23:28:27,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:28:27,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:27,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:27,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:27,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:28:27,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:27,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:27,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:28:27,985 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:28:27,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:28:28,026 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:28:28,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:28:28,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:28,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:28:28,073 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:28:28,073 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234921250] [2021-08-12 23:28:28,073 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234921250] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:28:28,073 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:28:28,073 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-08-12 23:28:28,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219927387] [2021-08-12 23:28:28,074 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-12 23:28:28,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:28:28,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-12 23:28:28,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-12 23:28:28,076 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 289 [2021-08-12 23:28:28,077 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 1365 transitions, 31730 flow. Second operand has 17 states, 17 states have (on average 175.23529411764707) internal successors, (2979), 17 states have internal predecessors, (2979), 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) [2021-08-12 23:28:28,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:28:28,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 289 [2021-08-12 23:28:28,078 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:28:40,285 INFO L129 PetriNetUnfolder]: 30191/53480 cut-off events. [2021-08-12 23:28:40,285 INFO L130 PetriNetUnfolder]: For 884501/925033 co-relation queries the response was YES. [2021-08-12 23:28:40,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 505650 conditions, 53480 events. 30191/53480 cut-off events. For 884501/925033 co-relation queries the response was YES. Maximal size of possible extension queue 2216. Compared 494367 event pairs, 3304 based on Foata normal form. 290/45043 useless extension candidates. Maximal degree in co-relation 504756. Up to 30687 conditions per place. [2021-08-12 23:28:40,816 INFO L132 encePairwiseOnDemand]: 267/289 looper letters, 953 selfloop transitions, 152 changer transitions 220/1460 dead transitions. [2021-08-12 23:28:40,817 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 1460 transitions, 36460 flow [2021-08-12 23:28:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 23:28:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-08-12 23:28:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4362 transitions. [2021-08-12 23:28:40,820 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6288927335640139 [2021-08-12 23:28:40,820 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4362 transitions. [2021-08-12 23:28:40,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4362 transitions. [2021-08-12 23:28:40,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:28:40,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4362 transitions. [2021-08-12 23:28:40,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 181.75) internal successors, (4362), 24 states have internal predecessors, (4362), 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) [2021-08-12 23:28:40,827 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 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) [2021-08-12 23:28:40,827 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 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) [2021-08-12 23:28:40,827 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 238 predicate places. [2021-08-12 23:28:40,827 INFO L482 AbstractCegarLoop]: Abstraction has has 375 places, 1460 transitions, 36460 flow [2021-08-12 23:28:40,828 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 175.23529411764707) internal successors, (2979), 17 states have internal predecessors, (2979), 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) [2021-08-12 23:28:40,828 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:28:40,828 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:28:40,828 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-12 23:28:40,828 INFO L430 AbstractCegarLoop]: === Iteration 15 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:28:40,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:28:40,828 INFO L82 PathProgramCache]: Analyzing trace with hash 129399947, now seen corresponding path program 1 times [2021-08-12 23:28:40,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:28:40,828 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907364490] [2021-08-12 23:28:40,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:28:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:28:40,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:40,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:28:40,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:28:40,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:28:40,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:28:40,891 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-12 23:28:40,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 23:28:40,905 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-08-12 23:28:40,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:40,915 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-08-12 23:28:40,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:40,920 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-08-12 23:28:40,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:40,931 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-08-12 23:28:40,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:40,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:28:40,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:40,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:28:40,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:40,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:28:40,982 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:28:40,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:28:41,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:41,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:28:41,033 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:28:41,033 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907364490] [2021-08-12 23:28:41,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907364490] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:28:41,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:28:41,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-12 23:28:41,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280540518] [2021-08-12 23:28:41,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-08-12 23:28:41,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:28:41,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-12 23:28:41,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-08-12 23:28:41,035 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 289 [2021-08-12 23:28:41,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 1460 transitions, 36460 flow. Second operand has 14 states, 14 states have (on average 178.71428571428572) internal successors, (2502), 14 states have internal predecessors, (2502), 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) [2021-08-12 23:28:41,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:28:41,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 289 [2021-08-12 23:28:41,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:28:54,274 INFO L129 PetriNetUnfolder]: 31153/55496 cut-off events. [2021-08-12 23:28:54,274 INFO L130 PetriNetUnfolder]: For 1069573/1115725 co-relation queries the response was YES. [2021-08-12 23:28:54,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 557308 conditions, 55496 events. 31153/55496 cut-off events. For 1069573/1115725 co-relation queries the response was YES. Maximal size of possible extension queue 2305. Compared 518544 event pairs, 3530 based on Foata normal form. 421/46907 useless extension candidates. Maximal degree in co-relation 556294. Up to 31845 conditions per place. [2021-08-12 23:28:54,873 INFO L132 encePairwiseOnDemand]: 269/289 looper letters, 994 selfloop transitions, 114 changer transitions 221/1522 dead transitions. [2021-08-12 23:28:54,873 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1522 transitions, 40631 flow [2021-08-12 23:28:54,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-08-12 23:28:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-08-12 23:28:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 3701 transitions. [2021-08-12 23:28:54,876 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6403114186851211 [2021-08-12 23:28:54,876 INFO L72 ComplementDD]: Start complementDD. Operand 20 states and 3701 transitions. [2021-08-12 23:28:54,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 3701 transitions. [2021-08-12 23:28:54,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:28:54,876 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 20 states and 3701 transitions. [2021-08-12 23:28:54,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 21 states, 20 states have (on average 185.05) internal successors, (3701), 20 states have internal predecessors, (3701), 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) [2021-08-12 23:28:54,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 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) [2021-08-12 23:28:54,882 INFO L81 ComplementDD]: Finished complementDD. Result has 21 states, 21 states have (on average 289.0) internal successors, (6069), 21 states have internal predecessors, (6069), 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) [2021-08-12 23:28:54,882 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 257 predicate places. [2021-08-12 23:28:54,882 INFO L482 AbstractCegarLoop]: Abstraction has has 394 places, 1522 transitions, 40631 flow [2021-08-12 23:28:54,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 178.71428571428572) internal successors, (2502), 14 states have internal predecessors, (2502), 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) [2021-08-12 23:28:54,882 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:28:54,882 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:28:54,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-12 23:28:54,883 INFO L430 AbstractCegarLoop]: === Iteration 16 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:28:54,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:28:54,883 INFO L82 PathProgramCache]: Analyzing trace with hash 483518203, now seen corresponding path program 2 times [2021-08-12 23:28:54,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:28:54,883 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033292479] [2021-08-12 23:28:54,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:28:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:28:54,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:54,919 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:28:54,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 23:28:54,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 23:28:54,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 23:28:54,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 23:28:54,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 23:28:54,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-12 23:28:54,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-12 23:28:54,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 23:28:54,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:54,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 23:28:55,007 INFO L142 QuantifierPusher]: treesize reduction 21, result has 56.3 percent of original size [2021-08-12 23:28:55,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:55,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:55,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:28:55,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:55,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:28:55,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:55,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:55,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:55,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:28:55,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:55,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:28:55,097 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:28:55,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:28:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:28:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:28:55,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:28:55,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:28:55,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033292479] [2021-08-12 23:28:55,212 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033292479] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:28:55,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:28:55,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-08-12 23:28:55,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930775470] [2021-08-12 23:28:55,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-08-12 23:28:55,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:28:55,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-12 23:28:55,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2021-08-12 23:28:55,215 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 289 [2021-08-12 23:28:55,216 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1522 transitions, 40631 flow. Second operand has 17 states, 17 states have (on average 175.41176470588235) internal successors, (2982), 17 states have internal predecessors, (2982), 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) [2021-08-12 23:28:55,216 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:28:55,216 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 289 [2021-08-12 23:28:55,216 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:29:10,464 INFO L129 PetriNetUnfolder]: 32185/57107 cut-off events. [2021-08-12 23:29:10,464 INFO L130 PetriNetUnfolder]: For 1252264/1302687 co-relation queries the response was YES. [2021-08-12 23:29:10,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 609776 conditions, 57107 events. 32185/57107 cut-off events. For 1252264/1302687 co-relation queries the response was YES. Maximal size of possible extension queue 2393. Compared 533151 event pairs, 3641 based on Foata normal form. 283/47987 useless extension candidates. Maximal degree in co-relation 608632. Up to 32921 conditions per place. [2021-08-12 23:29:11,099 INFO L132 encePairwiseOnDemand]: 267/289 looper letters, 1054 selfloop transitions, 125 changer transitions 222/1591 dead transitions. [2021-08-12 23:29:11,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 417 places, 1591 transitions, 45260 flow [2021-08-12 23:29:11,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-12 23:29:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2021-08-12 23:29:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 4358 transitions. [2021-08-12 23:29:11,113 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.628316032295271 [2021-08-12 23:29:11,113 INFO L72 ComplementDD]: Start complementDD. Operand 24 states and 4358 transitions. [2021-08-12 23:29:11,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 4358 transitions. [2021-08-12 23:29:11,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:29:11,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 24 states and 4358 transitions. [2021-08-12 23:29:11,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 25 states, 24 states have (on average 181.58333333333334) internal successors, (4358), 24 states have internal predecessors, (4358), 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) [2021-08-12 23:29:11,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 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) [2021-08-12 23:29:11,120 INFO L81 ComplementDD]: Finished complementDD. Result has 25 states, 25 states have (on average 289.0) internal successors, (7225), 25 states have internal predecessors, (7225), 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) [2021-08-12 23:29:11,120 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 280 predicate places. [2021-08-12 23:29:11,120 INFO L482 AbstractCegarLoop]: Abstraction has has 417 places, 1591 transitions, 45260 flow [2021-08-12 23:29:11,120 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 175.41176470588235) internal successors, (2982), 17 states have internal predecessors, (2982), 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) [2021-08-12 23:29:11,120 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:29:11,121 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:29:11,121 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-12 23:29:11,121 INFO L430 AbstractCegarLoop]: === Iteration 17 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:29:11,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:29:11,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1300824969, now seen corresponding path program 3 times [2021-08-12 23:29:11,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:29:11,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75344704] [2021-08-12 23:29:11,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:29:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:29:11,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:29:11,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:29:11,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 23:29:11,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 23:29:11,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 23:29:11,261 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-08-12 23:29:11,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 23:29:11,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-12 23:29:11,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-08-12 23:29:11,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-08-12 23:29:11,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-08-12 23:29:11,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-08-12 23:29:11,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 23:29:11,383 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-08-12 23:29:11,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:29:11,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:29:11,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 23:29:11,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:29:11,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:29:11,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:29:11,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:29:11,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:29:11,509 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:29:11,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:29:11,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:11,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:29:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:29:11,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:29:11,554 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75344704] [2021-08-12 23:29:11,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75344704] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:29:11,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:29:11,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 23:29:11,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847978339] [2021-08-12 23:29:11,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 23:29:11,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:29:11,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 23:29:11,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2021-08-12 23:29:11,557 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 289 [2021-08-12 23:29:11,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 1591 transitions, 45260 flow. Second operand has 18 states, 18 states have (on average 174.27777777777777) internal successors, (3137), 18 states have internal predecessors, (3137), 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) [2021-08-12 23:29:11,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:29:11,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 289 [2021-08-12 23:29:11,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:29:27,741 INFO L129 PetriNetUnfolder]: 32490/57703 cut-off events. [2021-08-12 23:29:27,741 INFO L130 PetriNetUnfolder]: For 1450976/1507620 co-relation queries the response was YES. [2021-08-12 23:29:28,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 649505 conditions, 57703 events. 32490/57703 cut-off events. For 1450976/1507620 co-relation queries the response was YES. Maximal size of possible extension queue 2451. Compared 540983 event pairs, 4016 based on Foata normal form. 526/48695 useless extension candidates. Maximal degree in co-relation 648223. Up to 33079 conditions per place. [2021-08-12 23:29:28,514 INFO L132 encePairwiseOnDemand]: 266/289 looper letters, 1030 selfloop transitions, 175 changer transitions 224/1616 dead transitions. [2021-08-12 23:29:28,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 1616 transitions, 48649 flow [2021-08-12 23:29:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-08-12 23:29:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-08-12 23:29:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 4689 transitions. [2021-08-12 23:29:28,517 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6240351344157572 [2021-08-12 23:29:28,517 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 4689 transitions. [2021-08-12 23:29:28,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 4689 transitions. [2021-08-12 23:29:28,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:29:28,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 4689 transitions. [2021-08-12 23:29:28,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 180.34615384615384) internal successors, (4689), 26 states have internal predecessors, (4689), 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) [2021-08-12 23:29:28,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 289.0) internal successors, (7803), 27 states have internal predecessors, (7803), 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) [2021-08-12 23:29:28,525 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 289.0) internal successors, (7803), 27 states have internal predecessors, (7803), 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) [2021-08-12 23:29:28,525 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 305 predicate places. [2021-08-12 23:29:28,525 INFO L482 AbstractCegarLoop]: Abstraction has has 442 places, 1616 transitions, 48649 flow [2021-08-12 23:29:28,525 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 174.27777777777777) internal successors, (3137), 18 states have internal predecessors, (3137), 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) [2021-08-12 23:29:28,525 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:29:28,526 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:29:28,526 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-12 23:29:28,526 INFO L430 AbstractCegarLoop]: === Iteration 18 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:29:28,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:29:28,526 INFO L82 PathProgramCache]: Analyzing trace with hash -102358916, now seen corresponding path program 1 times [2021-08-12 23:29:28,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:29:28,526 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238466093] [2021-08-12 23:29:28,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:29:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:29:28,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:29:28,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:29:28,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 23:29:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 23:29:28,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 23:29:28,586 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 23:29:28,598 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-08-12 23:29:28,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,611 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 23:29:28,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-12 23:29:28,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-08-12 23:29:28,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-08-12 23:29:28,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 23:29:28,667 INFO L142 QuantifierPusher]: treesize reduction 21, result has 59.6 percent of original size [2021-08-12 23:29:28,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:29:28,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-08-12 23:29:28,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 23:29:28,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-08-12 23:29:28,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:29:28,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:29:28,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:29:28,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:29:28,804 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:29:28,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:29:28,848 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:29:28,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:29:28,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:28,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:29:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:29:28,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:29:28,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238466093] [2021-08-12 23:29:28,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238466093] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:29:28,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:29:28,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-08-12 23:29:28,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905329746] [2021-08-12 23:29:28,897 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-08-12 23:29:28,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:29:28,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-08-12 23:29:28,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-08-12 23:29:28,899 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 289 [2021-08-12 23:29:28,900 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 1616 transitions, 48649 flow. Second operand has 19 states, 19 states have (on average 172.21052631578948) internal successors, (3272), 19 states have internal predecessors, (3272), 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) [2021-08-12 23:29:28,900 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:29:28,900 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 289 [2021-08-12 23:29:28,901 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:29:45,957 INFO L129 PetriNetUnfolder]: 33125/58686 cut-off events. [2021-08-12 23:29:45,957 INFO L130 PetriNetUnfolder]: For 1648367/1711503 co-relation queries the response was YES. [2021-08-12 23:29:46,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 698968 conditions, 58686 events. 33125/58686 cut-off events. For 1648367/1711503 co-relation queries the response was YES. Maximal size of possible extension queue 2497. Compared 550097 event pairs, 4201 based on Foata normal form. 385/49325 useless extension candidates. Maximal degree in co-relation 697540. Up to 33771 conditions per place. [2021-08-12 23:29:46,677 INFO L132 encePairwiseOnDemand]: 266/289 looper letters, 1133 selfloop transitions, 146 changer transitions 226/1661 dead transitions. [2021-08-12 23:29:46,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 1661 transitions, 52881 flow [2021-08-12 23:29:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-08-12 23:29:46,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-08-12 23:29:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 4815 transitions. [2021-08-12 23:29:46,680 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6170703575547867 [2021-08-12 23:29:46,680 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 4815 transitions. [2021-08-12 23:29:46,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 4815 transitions. [2021-08-12 23:29:46,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:29:46,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 4815 transitions. [2021-08-12 23:29:46,686 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 178.33333333333334) internal successors, (4815), 27 states have internal predecessors, (4815), 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) [2021-08-12 23:29:46,690 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 289.0) internal successors, (8092), 28 states have internal predecessors, (8092), 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) [2021-08-12 23:29:46,690 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 289.0) internal successors, (8092), 28 states have internal predecessors, (8092), 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) [2021-08-12 23:29:46,690 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 331 predicate places. [2021-08-12 23:29:46,690 INFO L482 AbstractCegarLoop]: Abstraction has has 468 places, 1661 transitions, 52881 flow [2021-08-12 23:29:46,691 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 172.21052631578948) internal successors, (3272), 19 states have internal predecessors, (3272), 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) [2021-08-12 23:29:46,691 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:29:46,691 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:29:46,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-12 23:29:46,691 INFO L430 AbstractCegarLoop]: === Iteration 19 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:29:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:29:46,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1604676849, now seen corresponding path program 1 times [2021-08-12 23:29:46,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:29:46,691 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171805510] [2021-08-12 23:29:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:29:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:29:46,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:29:46,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:29:46,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-08-12 23:29:46,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-08-12 23:29:46,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-08-12 23:29:46,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-08-12 23:29:46,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 23:29:46,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-12 23:29:46,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-08-12 23:29:46,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-08-12 23:29:46,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 23:29:46,803 INFO L142 QuantifierPusher]: treesize reduction 21, result has 56.3 percent of original size [2021-08-12 23:29:46,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:29:46,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:29:46,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,830 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:29:46,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:29:46,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:29:46,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:46,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:29:46,960 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-08-12 23:29:46,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-08-12 23:29:46,989 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:29:46,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:29:47,033 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:29:47,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:29:47,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:29:47,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:29:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:29:47,080 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:29:47,080 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171805510] [2021-08-12 23:29:47,080 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171805510] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:29:47,080 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:29:47,080 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-08-12 23:29:47,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910789726] [2021-08-12 23:29:47,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-08-12 23:29:47,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:29:47,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-12 23:29:47,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-08-12 23:29:47,083 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 289 [2021-08-12 23:29:47,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 468 places, 1661 transitions, 52881 flow. Second operand has 18 states, 18 states have (on average 173.33333333333334) internal successors, (3120), 18 states have internal predecessors, (3120), 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) [2021-08-12 23:29:47,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:29:47,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 289 [2021-08-12 23:29:47,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:30:05,263 INFO L129 PetriNetUnfolder]: 32804/57779 cut-off events. [2021-08-12 23:30:05,275 INFO L130 PetriNetUnfolder]: For 1847900/1921017 co-relation queries the response was YES. [2021-08-12 23:30:05,632 INFO L84 FinitePrefix]: Finished finitePrefix Result has 729538 conditions, 57779 events. 32804/57779 cut-off events. For 1847900/1921017 co-relation queries the response was YES. Maximal size of possible extension queue 2464. Compared 536668 event pairs, 4084 based on Foata normal form. 260/48421 useless extension candidates. Maximal degree in co-relation 728030. Up to 33457 conditions per place. [2021-08-12 23:30:06,123 INFO L132 encePairwiseOnDemand]: 267/289 looper letters, 1160 selfloop transitions, 116 changer transitions 226/1663 dead transitions. [2021-08-12 23:30:06,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 1663 transitions, 55724 flow [2021-08-12 23:30:06,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-08-12 23:30:06,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-08-12 23:30:06,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3973 transitions. [2021-08-12 23:30:06,127 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6248820383768481 [2021-08-12 23:30:06,127 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 3973 transitions. [2021-08-12 23:30:06,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 3973 transitions. [2021-08-12 23:30:06,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:30:06,128 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 3973 transitions. [2021-08-12 23:30:06,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 180.5909090909091) internal successors, (3973), 22 states have internal predecessors, (3973), 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) [2021-08-12 23:30:06,134 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 289.0) internal successors, (6647), 23 states have internal predecessors, (6647), 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) [2021-08-12 23:30:06,134 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 289.0) internal successors, (6647), 23 states have internal predecessors, (6647), 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) [2021-08-12 23:30:06,134 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 352 predicate places. [2021-08-12 23:30:06,134 INFO L482 AbstractCegarLoop]: Abstraction has has 489 places, 1663 transitions, 55724 flow [2021-08-12 23:30:06,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 173.33333333333334) internal successors, (3120), 18 states have internal predecessors, (3120), 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) [2021-08-12 23:30:06,135 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:30:06,135 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:30:06,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-12 23:30:06,135 INFO L430 AbstractCegarLoop]: === Iteration 20 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:30:06,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:30:06,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1184327847, now seen corresponding path program 4 times [2021-08-12 23:30:06,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:30:06,135 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20016499] [2021-08-12 23:30:06,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:30:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:30:06,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:30:06,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:30:06,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:30:06,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:30:06,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:30:06,186 INFO L142 QuantifierPusher]: treesize reduction 14, result has 66.7 percent of original size [2021-08-12 23:30:06,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-08-12 23:30:06,196 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-08-12 23:30:06,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:30:06,204 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-08-12 23:30:06,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:30:06,210 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-08-12 23:30:06,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-08-12 23:30:06,221 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-08-12 23:30:06,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-08-12 23:30:06,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-08-12 23:30:06,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-08-12 23:30:06,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-08-12 23:30:06,264 INFO L142 QuantifierPusher]: treesize reduction 17, result has 91.3 percent of original size [2021-08-12 23:30:06,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-08-12 23:30:06,306 INFO L142 QuantifierPusher]: treesize reduction 7, result has 97.0 percent of original size [2021-08-12 23:30:06,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 228 [2021-08-12 23:30:06,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:06,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:30:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:30:06,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:30:06,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20016499] [2021-08-12 23:30:06,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20016499] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:30:06,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:30:06,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-08-12 23:30:06,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719859053] [2021-08-12 23:30:06,350 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-08-12 23:30:06,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:30:06,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-08-12 23:30:06,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2021-08-12 23:30:06,352 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 289 [2021-08-12 23:30:06,353 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 1663 transitions, 55724 flow. Second operand has 14 states, 14 states have (on average 178.71428571428572) internal successors, (2502), 14 states have internal predecessors, (2502), 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) [2021-08-12 23:30:06,353 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:30:06,353 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 289 [2021-08-12 23:30:06,353 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 23:30:22,192 INFO L129 PetriNetUnfolder]: 30465/53107 cut-off events. [2021-08-12 23:30:22,192 INFO L130 PetriNetUnfolder]: For 1952634/2009363 co-relation queries the response was YES. [2021-08-12 23:30:22,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712365 conditions, 53107 events. 30465/53107 cut-off events. For 1952634/2009363 co-relation queries the response was YES. Maximal size of possible extension queue 2325. Compared 483983 event pairs, 4074 based on Foata normal form. 173/44200 useless extension candidates. Maximal degree in co-relation 710779. Up to 30805 conditions per place. [2021-08-12 23:30:22,885 INFO L132 encePairwiseOnDemand]: 270/289 looper letters, 1073 selfloop transitions, 76 changer transitions 63/1418 dead transitions. [2021-08-12 23:30:22,885 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 1418 transitions, 49038 flow [2021-08-12 23:30:22,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-08-12 23:30:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-08-12 23:30:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3866 transitions. [2021-08-12 23:30:22,888 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.6370077442741803 [2021-08-12 23:30:22,888 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3866 transitions. [2021-08-12 23:30:22,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3866 transitions. [2021-08-12 23:30:22,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 23:30:22,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3866 transitions. [2021-08-12 23:30:22,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 184.0952380952381) internal successors, (3866), 21 states have internal predecessors, (3866), 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) [2021-08-12 23:30:22,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 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) [2021-08-12 23:30:22,895 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 289.0) internal successors, (6358), 22 states have internal predecessors, (6358), 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) [2021-08-12 23:30:22,895 INFO L348 CegarLoopForPetriNet]: 137 programPoint places, 359 predicate places. [2021-08-12 23:30:22,895 INFO L482 AbstractCegarLoop]: Abstraction has has 496 places, 1418 transitions, 49038 flow [2021-08-12 23:30:22,895 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 178.71428571428572) internal successors, (2502), 14 states have internal predecessors, (2502), 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) [2021-08-12 23:30:22,895 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 23:30:22,895 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 23:30:22,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-12 23:30:22,895 INFO L430 AbstractCegarLoop]: === Iteration 21 === [thread0Err1INUSE_VIOLATION, thread0Err0INUSE_VIOLATION, thread0Err5INUSE_VIOLATION, thread0Err9INUSE_VIOLATION, thread0Err3INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thread0Thread1of1ForFork4Err6INUSE_VIOLATION, thread0Thread1of1ForFork4Err4INUSE_VIOLATION, thread0Thread1of1ForFork4Err10INUSE_VIOLATION, thread0Thread1of1ForFork4Err8INUSE_VIOLATION, thread0Thread1of1ForFork4Err2INUSE_VIOLATION]=== [2021-08-12 23:30:22,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 23:30:22,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1281903931, now seen corresponding path program 1 times [2021-08-12 23:30:22,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 23:30:22,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976864741] [2021-08-12 23:30:22,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 23:30:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 23:30:22,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:30:22,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 23:30:22,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-08-12 23:30:22,924 INFO L142 QuantifierPusher]: treesize reduction 42, result has 17.6 percent of original size [2021-08-12 23:30:22,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:30:22,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-08-12 23:30:22,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-08-12 23:30:22,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-08-12 23:30:22,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-08-12 23:30:22,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-08-12 23:30:22,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 23:30:22,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 23:30:22,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:30:22,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-08-12 23:30:22,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 23:30:22,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 23:30:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 23:30:22,980 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 23:30:22,980 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976864741] [2021-08-12 23:30:22,980 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976864741] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 23:30:22,981 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 23:30:22,981 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-08-12 23:30:22,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226664621] [2021-08-12 23:30:22,981 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-08-12 23:30:22,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 23:30:22,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-08-12 23:30:22,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-08-12 23:30:22,982 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 235 out of 289 [2021-08-12 23:30:22,984 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 1418 transitions, 49038 flow. Second operand has 12 states, 12 states have (on average 237.5) internal successors, (2850), 12 states have internal predecessors, (2850), 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) [2021-08-12 23:30:22,984 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 23:30:22,984 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 235 of 289 [2021-08-12 23:30:22,984 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand